idx int64 | func_before string | Vulnerability Classification string | vul int64 | func_after string | patch string | CWE ID string | lines_before string | lines_after string |
|---|---|---|---|---|---|---|---|---|
20,700 | static void p4_pmu_swap_config_ts(struct hw_perf_event *hwc, int cpu)
{
u32 escr, cccr;
/*
* we either lucky and continue on same cpu or no HT support
*/
if (!p4_should_swap_ts(hwc->config, cpu))
return;
/*
* the event is migrated from an another logical
* cpu, so we need to swap thread specific flags
*/
escr = p4_config_unpack_escr(hwc->config);
cccr = p4_config_unpack_cccr(hwc->config);
if (p4_ht_thread(cpu)) {
cccr &= ~P4_CCCR_OVF_PMI_T0;
cccr |= P4_CCCR_OVF_PMI_T1;
if (escr & P4_ESCR_T0_OS) {
escr &= ~P4_ESCR_T0_OS;
escr |= P4_ESCR_T1_OS;
}
if (escr & P4_ESCR_T0_USR) {
escr &= ~P4_ESCR_T0_USR;
escr |= P4_ESCR_T1_USR;
}
hwc->config = p4_config_pack_escr(escr);
hwc->config |= p4_config_pack_cccr(cccr);
hwc->config |= P4_CONFIG_HT;
} else {
cccr &= ~P4_CCCR_OVF_PMI_T1;
cccr |= P4_CCCR_OVF_PMI_T0;
if (escr & P4_ESCR_T1_OS) {
escr &= ~P4_ESCR_T1_OS;
escr |= P4_ESCR_T0_OS;
}
if (escr & P4_ESCR_T1_USR) {
escr &= ~P4_ESCR_T1_USR;
escr |= P4_ESCR_T0_USR;
}
hwc->config = p4_config_pack_escr(escr);
hwc->config |= p4_config_pack_cccr(cccr);
hwc->config &= ~P4_CONFIG_HT;
}
}
| DoS Overflow | 0 | static void p4_pmu_swap_config_ts(struct hw_perf_event *hwc, int cpu)
{
u32 escr, cccr;
/*
* we either lucky and continue on same cpu or no HT support
*/
if (!p4_should_swap_ts(hwc->config, cpu))
return;
/*
* the event is migrated from an another logical
* cpu, so we need to swap thread specific flags
*/
escr = p4_config_unpack_escr(hwc->config);
cccr = p4_config_unpack_cccr(hwc->config);
if (p4_ht_thread(cpu)) {
cccr &= ~P4_CCCR_OVF_PMI_T0;
cccr |= P4_CCCR_OVF_PMI_T1;
if (escr & P4_ESCR_T0_OS) {
escr &= ~P4_ESCR_T0_OS;
escr |= P4_ESCR_T1_OS;
}
if (escr & P4_ESCR_T0_USR) {
escr &= ~P4_ESCR_T0_USR;
escr |= P4_ESCR_T1_USR;
}
hwc->config = p4_config_pack_escr(escr);
hwc->config |= p4_config_pack_cccr(cccr);
hwc->config |= P4_CONFIG_HT;
} else {
cccr &= ~P4_CCCR_OVF_PMI_T1;
cccr |= P4_CCCR_OVF_PMI_T0;
if (escr & P4_ESCR_T1_OS) {
escr &= ~P4_ESCR_T1_OS;
escr |= P4_ESCR_T0_OS;
}
if (escr & P4_ESCR_T1_USR) {
escr &= ~P4_ESCR_T1_USR;
escr |= P4_ESCR_T0_USR;
}
hwc->config = p4_config_pack_escr(escr);
hwc->config |= p4_config_pack_cccr(cccr);
hwc->config &= ~P4_CONFIG_HT;
}
}
| @@ -970,7 +970,7 @@ static int p4_pmu_handle_irq(struct pt_regs *regs)
if (!x86_perf_event_set_period(event))
continue;
- if (perf_event_overflow(event, 1, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
x86_pmu_stop(event, 0);
}
| CWE-399 | null | null |
20,701 | static int p4_validate_raw_event(struct perf_event *event)
{
unsigned int v, emask;
/* User data may have out-of-bound event index */
v = p4_config_unpack_event(event->attr.config);
if (v >= ARRAY_SIZE(p4_event_bind_map))
return -EINVAL;
/* It may be unsupported: */
if (!p4_event_match_cpu_model(v))
return -EINVAL;
/*
* NOTE: P4_CCCR_THREAD_ANY has not the same meaning as
* in Architectural Performance Monitoring, it means not
* on _which_ logical cpu to count but rather _when_, ie it
* depends on logical cpu state -- count event if one cpu active,
* none, both or any, so we just allow user to pass any value
* desired.
*
* In turn we always set Tx_OS/Tx_USR bits bound to logical
* cpu without their propagation to another cpu
*/
/*
* if an event is shared across the logical threads
* the user needs special permissions to be able to use it
*/
if (p4_ht_active() && p4_event_bind_map[v].shared) {
if (perf_paranoid_cpu() && !capable(CAP_SYS_ADMIN))
return -EACCES;
}
/* ESCR EventMask bits may be invalid */
emask = p4_config_unpack_escr(event->attr.config) & P4_ESCR_EVENTMASK_MASK;
if (emask & ~p4_event_bind_map[v].escr_emask)
return -EINVAL;
/*
* it may have some invalid PEBS bits
*/
if (p4_config_pebs_has(event->attr.config, P4_PEBS_CONFIG_ENABLE))
return -EINVAL;
v = p4_config_unpack_metric(event->attr.config);
if (v >= ARRAY_SIZE(p4_pebs_bind_map))
return -EINVAL;
return 0;
}
| DoS Overflow | 0 | static int p4_validate_raw_event(struct perf_event *event)
{
unsigned int v, emask;
/* User data may have out-of-bound event index */
v = p4_config_unpack_event(event->attr.config);
if (v >= ARRAY_SIZE(p4_event_bind_map))
return -EINVAL;
/* It may be unsupported: */
if (!p4_event_match_cpu_model(v))
return -EINVAL;
/*
* NOTE: P4_CCCR_THREAD_ANY has not the same meaning as
* in Architectural Performance Monitoring, it means not
* on _which_ logical cpu to count but rather _when_, ie it
* depends on logical cpu state -- count event if one cpu active,
* none, both or any, so we just allow user to pass any value
* desired.
*
* In turn we always set Tx_OS/Tx_USR bits bound to logical
* cpu without their propagation to another cpu
*/
/*
* if an event is shared across the logical threads
* the user needs special permissions to be able to use it
*/
if (p4_ht_active() && p4_event_bind_map[v].shared) {
if (perf_paranoid_cpu() && !capable(CAP_SYS_ADMIN))
return -EACCES;
}
/* ESCR EventMask bits may be invalid */
emask = p4_config_unpack_escr(event->attr.config) & P4_ESCR_EVENTMASK_MASK;
if (emask & ~p4_event_bind_map[v].escr_emask)
return -EINVAL;
/*
* it may have some invalid PEBS bits
*/
if (p4_config_pebs_has(event->attr.config, P4_PEBS_CONFIG_ENABLE))
return -EINVAL;
v = p4_config_unpack_metric(event->attr.config);
if (v >= ARRAY_SIZE(p4_pebs_bind_map))
return -EINVAL;
return 0;
}
| @@ -970,7 +970,7 @@ static int p4_pmu_handle_irq(struct pt_regs *regs)
if (!x86_perf_event_set_period(event))
continue;
- if (perf_event_overflow(event, 1, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
x86_pmu_stop(event, 0);
}
| CWE-399 | null | null |
20,702 | static int __kgdb_notify(struct die_args *args, unsigned long cmd)
{
struct pt_regs *regs = args->regs;
switch (cmd) {
case DIE_NMI:
if (atomic_read(&kgdb_active) != -1) {
/* KGDB CPU roundup */
kgdb_nmicallback(raw_smp_processor_id(), regs);
was_in_debug_nmi[raw_smp_processor_id()] = 1;
touch_nmi_watchdog();
return NOTIFY_STOP;
}
return NOTIFY_DONE;
case DIE_NMIUNKNOWN:
if (was_in_debug_nmi[raw_smp_processor_id()]) {
was_in_debug_nmi[raw_smp_processor_id()] = 0;
return NOTIFY_STOP;
}
return NOTIFY_DONE;
case DIE_DEBUG:
if (atomic_read(&kgdb_cpu_doing_single_step) != -1) {
if (user_mode(regs))
return single_step_cont(regs, args);
break;
} else if (test_thread_flag(TIF_SINGLESTEP))
/* This means a user thread is single stepping
* a system call which should be ignored
*/
return NOTIFY_DONE;
/* fall through */
default:
if (user_mode(regs))
return NOTIFY_DONE;
}
if (kgdb_handle_exception(args->trapnr, args->signr, cmd, regs))
return NOTIFY_DONE;
/* Must touch watchdog before return to normal operation */
touch_nmi_watchdog();
return NOTIFY_STOP;
}
| DoS Overflow | 0 | static int __kgdb_notify(struct die_args *args, unsigned long cmd)
{
struct pt_regs *regs = args->regs;
switch (cmd) {
case DIE_NMI:
if (atomic_read(&kgdb_active) != -1) {
/* KGDB CPU roundup */
kgdb_nmicallback(raw_smp_processor_id(), regs);
was_in_debug_nmi[raw_smp_processor_id()] = 1;
touch_nmi_watchdog();
return NOTIFY_STOP;
}
return NOTIFY_DONE;
case DIE_NMIUNKNOWN:
if (was_in_debug_nmi[raw_smp_processor_id()]) {
was_in_debug_nmi[raw_smp_processor_id()] = 0;
return NOTIFY_STOP;
}
return NOTIFY_DONE;
case DIE_DEBUG:
if (atomic_read(&kgdb_cpu_doing_single_step) != -1) {
if (user_mode(regs))
return single_step_cont(regs, args);
break;
} else if (test_thread_flag(TIF_SINGLESTEP))
/* This means a user thread is single stepping
* a system call which should be ignored
*/
return NOTIFY_DONE;
/* fall through */
default:
if (user_mode(regs))
return NOTIFY_DONE;
}
if (kgdb_handle_exception(args->trapnr, args->signr, cmd, regs))
return NOTIFY_DONE;
/* Must touch watchdog before return to normal operation */
touch_nmi_watchdog();
return NOTIFY_STOP;
}
| @@ -608,7 +608,7 @@ int kgdb_arch_init(void)
return register_die_notifier(&kgdb_notifier);
}
-static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+static void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current; | CWE-399 | null | null |
20,703 | char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs)
{
if (regno == GDB_ORIG_AX) {
memcpy(mem, ®s->orig_ax, sizeof(regs->orig_ax));
return "orig_ax";
}
if (regno >= DBG_MAX_REG_NUM || regno < 0)
return NULL;
if (dbg_reg_def[regno].offset != -1)
memcpy(mem, (void *)regs + dbg_reg_def[regno].offset,
dbg_reg_def[regno].size);
#ifdef CONFIG_X86_32
switch (regno) {
case GDB_SS:
if (!user_mode_vm(regs))
*(unsigned long *)mem = __KERNEL_DS;
break;
case GDB_SP:
if (!user_mode_vm(regs))
*(unsigned long *)mem = kernel_stack_pointer(regs);
break;
case GDB_GS:
case GDB_FS:
*(unsigned long *)mem = 0xFFFF;
break;
}
#endif
return dbg_reg_def[regno].name;
}
| DoS Overflow | 0 | char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs)
{
if (regno == GDB_ORIG_AX) {
memcpy(mem, ®s->orig_ax, sizeof(regs->orig_ax));
return "orig_ax";
}
if (regno >= DBG_MAX_REG_NUM || regno < 0)
return NULL;
if (dbg_reg_def[regno].offset != -1)
memcpy(mem, (void *)regs + dbg_reg_def[regno].offset,
dbg_reg_def[regno].size);
#ifdef CONFIG_X86_32
switch (regno) {
case GDB_SS:
if (!user_mode_vm(regs))
*(unsigned long *)mem = __KERNEL_DS;
break;
case GDB_SP:
if (!user_mode_vm(regs))
*(unsigned long *)mem = kernel_stack_pointer(regs);
break;
case GDB_GS:
case GDB_FS:
*(unsigned long *)mem = 0xFFFF;
break;
}
#endif
return dbg_reg_def[regno].name;
}
| @@ -608,7 +608,7 @@ int kgdb_arch_init(void)
return register_die_notifier(&kgdb_notifier);
}
-static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+static void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current; | CWE-399 | null | null |
20,704 | static int hw_break_release_slot(int breakno)
{
struct perf_event **pevent;
int cpu;
if (dbg_is_early)
return 0;
for_each_online_cpu(cpu) {
pevent = per_cpu_ptr(breakinfo[breakno].pev, cpu);
if (dbg_release_bp_slot(*pevent))
/*
* The debugger is responsible for handing the retry on
* remove failure.
*/
return -1;
}
return 0;
}
| DoS Overflow | 0 | static int hw_break_release_slot(int breakno)
{
struct perf_event **pevent;
int cpu;
if (dbg_is_early)
return 0;
for_each_online_cpu(cpu) {
pevent = per_cpu_ptr(breakinfo[breakno].pev, cpu);
if (dbg_release_bp_slot(*pevent))
/*
* The debugger is responsible for handing the retry on
* remove failure.
*/
return -1;
}
return 0;
}
| @@ -608,7 +608,7 @@ int kgdb_arch_init(void)
return register_die_notifier(&kgdb_notifier);
}
-static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+static void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current; | CWE-399 | null | null |
20,705 | void kgdb_arch_exit(void)
{
int i;
for (i = 0; i < 4; i++) {
if (breakinfo[i].pev) {
unregister_wide_hw_breakpoint(breakinfo[i].pev);
breakinfo[i].pev = NULL;
}
}
unregister_die_notifier(&kgdb_notifier);
}
| DoS Overflow | 0 | void kgdb_arch_exit(void)
{
int i;
for (i = 0; i < 4; i++) {
if (breakinfo[i].pev) {
unregister_wide_hw_breakpoint(breakinfo[i].pev);
breakinfo[i].pev = NULL;
}
}
unregister_die_notifier(&kgdb_notifier);
}
| @@ -608,7 +608,7 @@ int kgdb_arch_init(void)
return register_die_notifier(&kgdb_notifier);
}
-static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+static void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current; | CWE-399 | null | null |
20,706 | int kgdb_arch_handle_exception(int e_vector, int signo, int err_code,
char *remcomInBuffer, char *remcomOutBuffer,
struct pt_regs *linux_regs)
{
unsigned long addr;
char *ptr;
switch (remcomInBuffer[0]) {
case 'c':
case 's':
/* try to read optional parameter, pc unchanged if no parm */
ptr = &remcomInBuffer[1];
if (kgdb_hex2long(&ptr, &addr))
linux_regs->ip = addr;
case 'D':
case 'k':
/* clear the trace bit */
linux_regs->flags &= ~X86_EFLAGS_TF;
atomic_set(&kgdb_cpu_doing_single_step, -1);
/* set the trace bit if we're stepping */
if (remcomInBuffer[0] == 's') {
linux_regs->flags |= X86_EFLAGS_TF;
atomic_set(&kgdb_cpu_doing_single_step,
raw_smp_processor_id());
}
return 0;
}
/* this means that we do not want to exit from the handler: */
return -1;
}
| DoS Overflow | 0 | int kgdb_arch_handle_exception(int e_vector, int signo, int err_code,
char *remcomInBuffer, char *remcomOutBuffer,
struct pt_regs *linux_regs)
{
unsigned long addr;
char *ptr;
switch (remcomInBuffer[0]) {
case 'c':
case 's':
/* try to read optional parameter, pc unchanged if no parm */
ptr = &remcomInBuffer[1];
if (kgdb_hex2long(&ptr, &addr))
linux_regs->ip = addr;
case 'D':
case 'k':
/* clear the trace bit */
linux_regs->flags &= ~X86_EFLAGS_TF;
atomic_set(&kgdb_cpu_doing_single_step, -1);
/* set the trace bit if we're stepping */
if (remcomInBuffer[0] == 's') {
linux_regs->flags |= X86_EFLAGS_TF;
atomic_set(&kgdb_cpu_doing_single_step,
raw_smp_processor_id());
}
return 0;
}
/* this means that we do not want to exit from the handler: */
return -1;
}
| @@ -608,7 +608,7 @@ int kgdb_arch_init(void)
return register_die_notifier(&kgdb_notifier);
}
-static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+static void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current; | CWE-399 | null | null |
20,707 | int kgdb_arch_init(void)
{
return register_die_notifier(&kgdb_notifier);
}
| DoS Overflow | 0 | int kgdb_arch_init(void)
{
return register_die_notifier(&kgdb_notifier);
}
| @@ -608,7 +608,7 @@ int kgdb_arch_init(void)
return register_die_notifier(&kgdb_notifier);
}
-static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+static void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current; | CWE-399 | null | null |
20,708 | unsigned long kgdb_arch_pc(int exception, struct pt_regs *regs)
{
if (exception == 3)
return instruction_pointer(regs) - 1;
return instruction_pointer(regs);
}
| DoS Overflow | 0 | unsigned long kgdb_arch_pc(int exception, struct pt_regs *regs)
{
if (exception == 3)
return instruction_pointer(regs) - 1;
return instruction_pointer(regs);
}
| @@ -608,7 +608,7 @@ int kgdb_arch_init(void)
return register_die_notifier(&kgdb_notifier);
}
-static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+static void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current; | CWE-399 | null | null |
20,709 | void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip)
{
regs->ip = ip;
}
| DoS Overflow | 0 | void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip)
{
regs->ip = ip;
}
| @@ -608,7 +608,7 @@ int kgdb_arch_init(void)
return register_die_notifier(&kgdb_notifier);
}
-static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+static void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current; | CWE-399 | null | null |
20,710 | static void kgdb_correct_hw_break(void)
{
int breakno;
for (breakno = 0; breakno < HBP_NUM; breakno++) {
struct perf_event *bp;
struct arch_hw_breakpoint *info;
int val;
int cpu = raw_smp_processor_id();
if (!breakinfo[breakno].enabled)
continue;
if (dbg_is_early) {
set_debugreg(breakinfo[breakno].addr, breakno);
early_dr7 |= encode_dr7(breakno,
breakinfo[breakno].len,
breakinfo[breakno].type);
set_debugreg(early_dr7, 7);
continue;
}
bp = *per_cpu_ptr(breakinfo[breakno].pev, cpu);
info = counter_arch_bp(bp);
if (bp->attr.disabled != 1)
continue;
bp->attr.bp_addr = breakinfo[breakno].addr;
bp->attr.bp_len = breakinfo[breakno].len;
bp->attr.bp_type = breakinfo[breakno].type;
info->address = breakinfo[breakno].addr;
info->len = breakinfo[breakno].len;
info->type = breakinfo[breakno].type;
val = arch_install_hw_breakpoint(bp);
if (!val)
bp->attr.disabled = 0;
}
if (!dbg_is_early)
hw_breakpoint_restore();
}
| DoS Overflow | 0 | static void kgdb_correct_hw_break(void)
{
int breakno;
for (breakno = 0; breakno < HBP_NUM; breakno++) {
struct perf_event *bp;
struct arch_hw_breakpoint *info;
int val;
int cpu = raw_smp_processor_id();
if (!breakinfo[breakno].enabled)
continue;
if (dbg_is_early) {
set_debugreg(breakinfo[breakno].addr, breakno);
early_dr7 |= encode_dr7(breakno,
breakinfo[breakno].len,
breakinfo[breakno].type);
set_debugreg(early_dr7, 7);
continue;
}
bp = *per_cpu_ptr(breakinfo[breakno].pev, cpu);
info = counter_arch_bp(bp);
if (bp->attr.disabled != 1)
continue;
bp->attr.bp_addr = breakinfo[breakno].addr;
bp->attr.bp_len = breakinfo[breakno].len;
bp->attr.bp_type = breakinfo[breakno].type;
info->address = breakinfo[breakno].addr;
info->len = breakinfo[breakno].len;
info->type = breakinfo[breakno].type;
val = arch_install_hw_breakpoint(bp);
if (!val)
bp->attr.disabled = 0;
}
if (!dbg_is_early)
hw_breakpoint_restore();
}
| @@ -608,7 +608,7 @@ int kgdb_arch_init(void)
return register_die_notifier(&kgdb_notifier);
}
-static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+static void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current; | CWE-399 | null | null |
20,711 | kgdb_notify(struct notifier_block *self, unsigned long cmd, void *ptr)
{
unsigned long flags;
int ret;
local_irq_save(flags);
ret = __kgdb_notify(ptr, cmd);
local_irq_restore(flags);
return ret;
}
| DoS Overflow | 0 | kgdb_notify(struct notifier_block *self, unsigned long cmd, void *ptr)
{
unsigned long flags;
int ret;
local_irq_save(flags);
ret = __kgdb_notify(ptr, cmd);
local_irq_restore(flags);
return ret;
}
| @@ -608,7 +608,7 @@ int kgdb_arch_init(void)
return register_die_notifier(&kgdb_notifier);
}
-static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+static void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current; | CWE-399 | null | null |
20,712 | static void kgdb_remove_all_hw_break(void)
{
int i;
int cpu = raw_smp_processor_id();
struct perf_event *bp;
for (i = 0; i < HBP_NUM; i++) {
if (!breakinfo[i].enabled)
continue;
bp = *per_cpu_ptr(breakinfo[i].pev, cpu);
if (!bp->attr.disabled) {
arch_uninstall_hw_breakpoint(bp);
bp->attr.disabled = 1;
continue;
}
if (dbg_is_early)
early_dr7 &= ~encode_dr7(i, breakinfo[i].len,
breakinfo[i].type);
else if (hw_break_release_slot(i))
printk(KERN_ERR "KGDB: hw bpt remove failed %lx\n",
breakinfo[i].addr);
breakinfo[i].enabled = 0;
}
}
| DoS Overflow | 0 | static void kgdb_remove_all_hw_break(void)
{
int i;
int cpu = raw_smp_processor_id();
struct perf_event *bp;
for (i = 0; i < HBP_NUM; i++) {
if (!breakinfo[i].enabled)
continue;
bp = *per_cpu_ptr(breakinfo[i].pev, cpu);
if (!bp->attr.disabled) {
arch_uninstall_hw_breakpoint(bp);
bp->attr.disabled = 1;
continue;
}
if (dbg_is_early)
early_dr7 &= ~encode_dr7(i, breakinfo[i].len,
breakinfo[i].type);
else if (hw_break_release_slot(i))
printk(KERN_ERR "KGDB: hw bpt remove failed %lx\n",
breakinfo[i].addr);
breakinfo[i].enabled = 0;
}
}
| @@ -608,7 +608,7 @@ int kgdb_arch_init(void)
return register_die_notifier(&kgdb_notifier);
}
-static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+static void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current; | CWE-399 | null | null |
20,713 | kgdb_remove_hw_break(unsigned long addr, int len, enum kgdb_bptype bptype)
{
int i;
for (i = 0; i < HBP_NUM; i++)
if (breakinfo[i].addr == addr && breakinfo[i].enabled)
break;
if (i == HBP_NUM)
return -1;
if (hw_break_release_slot(i)) {
printk(KERN_ERR "Cannot remove hw breakpoint at %lx\n", addr);
return -1;
}
breakinfo[i].enabled = 0;
return 0;
}
| DoS Overflow | 0 | kgdb_remove_hw_break(unsigned long addr, int len, enum kgdb_bptype bptype)
{
int i;
for (i = 0; i < HBP_NUM; i++)
if (breakinfo[i].addr == addr && breakinfo[i].enabled)
break;
if (i == HBP_NUM)
return -1;
if (hw_break_release_slot(i)) {
printk(KERN_ERR "Cannot remove hw breakpoint at %lx\n", addr);
return -1;
}
breakinfo[i].enabled = 0;
return 0;
}
| @@ -608,7 +608,7 @@ int kgdb_arch_init(void)
return register_die_notifier(&kgdb_notifier);
}
-static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+static void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current; | CWE-399 | null | null |
20,714 | void kgdb_roundup_cpus(unsigned long flags)
{
apic->send_IPI_allbutself(APIC_DM_NMI);
}
| DoS Overflow | 0 | void kgdb_roundup_cpus(unsigned long flags)
{
apic->send_IPI_allbutself(APIC_DM_NMI);
}
| @@ -608,7 +608,7 @@ int kgdb_arch_init(void)
return register_die_notifier(&kgdb_notifier);
}
-static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+static void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current; | CWE-399 | null | null |
20,715 | kgdb_set_hw_break(unsigned long addr, int len, enum kgdb_bptype bptype)
{
int i;
for (i = 0; i < HBP_NUM; i++)
if (!breakinfo[i].enabled)
break;
if (i == HBP_NUM)
return -1;
switch (bptype) {
case BP_HARDWARE_BREAKPOINT:
len = 1;
breakinfo[i].type = X86_BREAKPOINT_EXECUTE;
break;
case BP_WRITE_WATCHPOINT:
breakinfo[i].type = X86_BREAKPOINT_WRITE;
break;
case BP_ACCESS_WATCHPOINT:
breakinfo[i].type = X86_BREAKPOINT_RW;
break;
default:
return -1;
}
switch (len) {
case 1:
breakinfo[i].len = X86_BREAKPOINT_LEN_1;
break;
case 2:
breakinfo[i].len = X86_BREAKPOINT_LEN_2;
break;
case 4:
breakinfo[i].len = X86_BREAKPOINT_LEN_4;
break;
#ifdef CONFIG_X86_64
case 8:
breakinfo[i].len = X86_BREAKPOINT_LEN_8;
break;
#endif
default:
return -1;
}
breakinfo[i].addr = addr;
if (hw_break_reserve_slot(i)) {
breakinfo[i].addr = 0;
return -1;
}
breakinfo[i].enabled = 1;
return 0;
}
| DoS Overflow | 0 | kgdb_set_hw_break(unsigned long addr, int len, enum kgdb_bptype bptype)
{
int i;
for (i = 0; i < HBP_NUM; i++)
if (!breakinfo[i].enabled)
break;
if (i == HBP_NUM)
return -1;
switch (bptype) {
case BP_HARDWARE_BREAKPOINT:
len = 1;
breakinfo[i].type = X86_BREAKPOINT_EXECUTE;
break;
case BP_WRITE_WATCHPOINT:
breakinfo[i].type = X86_BREAKPOINT_WRITE;
break;
case BP_ACCESS_WATCHPOINT:
breakinfo[i].type = X86_BREAKPOINT_RW;
break;
default:
return -1;
}
switch (len) {
case 1:
breakinfo[i].len = X86_BREAKPOINT_LEN_1;
break;
case 2:
breakinfo[i].len = X86_BREAKPOINT_LEN_2;
break;
case 4:
breakinfo[i].len = X86_BREAKPOINT_LEN_4;
break;
#ifdef CONFIG_X86_64
case 8:
breakinfo[i].len = X86_BREAKPOINT_LEN_8;
break;
#endif
default:
return -1;
}
breakinfo[i].addr = addr;
if (hw_break_reserve_slot(i)) {
breakinfo[i].addr = 0;
return -1;
}
breakinfo[i].enabled = 1;
return 0;
}
| @@ -608,7 +608,7 @@ int kgdb_arch_init(void)
return register_die_notifier(&kgdb_notifier);
}
-static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+static void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current; | CWE-399 | null | null |
20,716 | single_step_cont(struct pt_regs *regs, struct die_args *args)
{
/*
* Single step exception from kernel space to user space so
* eat the exception and continue the process:
*/
printk(KERN_ERR "KGDB: trap/step from kernel to user space, "
"resuming...\n");
kgdb_arch_handle_exception(args->trapnr, args->signr,
args->err, "c", "", regs);
/*
* Reset the BS bit in dr6 (pointed by args->err) to
* denote completion of processing
*/
(*(unsigned long *)ERR_PTR(args->err)) &= ~DR_STEP;
return NOTIFY_STOP;
}
| DoS Overflow | 0 | single_step_cont(struct pt_regs *regs, struct die_args *args)
{
/*
* Single step exception from kernel space to user space so
* eat the exception and continue the process:
*/
printk(KERN_ERR "KGDB: trap/step from kernel to user space, "
"resuming...\n");
kgdb_arch_handle_exception(args->trapnr, args->signr,
args->err, "c", "", regs);
/*
* Reset the BS bit in dr6 (pointed by args->err) to
* denote completion of processing
*/
(*(unsigned long *)ERR_PTR(args->err)) &= ~DR_STEP;
return NOTIFY_STOP;
}
| @@ -608,7 +608,7 @@ int kgdb_arch_init(void)
return register_die_notifier(&kgdb_notifier);
}
-static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+static void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current; | CWE-399 | null | null |
20,717 | void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
{
#ifndef CONFIG_X86_32
u32 *gdb_regs32 = (u32 *)gdb_regs;
#endif
gdb_regs[GDB_AX] = 0;
gdb_regs[GDB_BX] = 0;
gdb_regs[GDB_CX] = 0;
gdb_regs[GDB_DX] = 0;
gdb_regs[GDB_SI] = 0;
gdb_regs[GDB_DI] = 0;
gdb_regs[GDB_BP] = *(unsigned long *)p->thread.sp;
#ifdef CONFIG_X86_32
gdb_regs[GDB_DS] = __KERNEL_DS;
gdb_regs[GDB_ES] = __KERNEL_DS;
gdb_regs[GDB_PS] = 0;
gdb_regs[GDB_CS] = __KERNEL_CS;
gdb_regs[GDB_PC] = p->thread.ip;
gdb_regs[GDB_SS] = __KERNEL_DS;
gdb_regs[GDB_FS] = 0xFFFF;
gdb_regs[GDB_GS] = 0xFFFF;
#else
gdb_regs32[GDB_PS] = *(unsigned long *)(p->thread.sp + 8);
gdb_regs32[GDB_CS] = __KERNEL_CS;
gdb_regs32[GDB_SS] = __KERNEL_DS;
gdb_regs[GDB_PC] = 0;
gdb_regs[GDB_R8] = 0;
gdb_regs[GDB_R9] = 0;
gdb_regs[GDB_R10] = 0;
gdb_regs[GDB_R11] = 0;
gdb_regs[GDB_R12] = 0;
gdb_regs[GDB_R13] = 0;
gdb_regs[GDB_R14] = 0;
gdb_regs[GDB_R15] = 0;
#endif
gdb_regs[GDB_SP] = p->thread.sp;
}
| DoS Overflow | 0 | void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
{
#ifndef CONFIG_X86_32
u32 *gdb_regs32 = (u32 *)gdb_regs;
#endif
gdb_regs[GDB_AX] = 0;
gdb_regs[GDB_BX] = 0;
gdb_regs[GDB_CX] = 0;
gdb_regs[GDB_DX] = 0;
gdb_regs[GDB_SI] = 0;
gdb_regs[GDB_DI] = 0;
gdb_regs[GDB_BP] = *(unsigned long *)p->thread.sp;
#ifdef CONFIG_X86_32
gdb_regs[GDB_DS] = __KERNEL_DS;
gdb_regs[GDB_ES] = __KERNEL_DS;
gdb_regs[GDB_PS] = 0;
gdb_regs[GDB_CS] = __KERNEL_CS;
gdb_regs[GDB_PC] = p->thread.ip;
gdb_regs[GDB_SS] = __KERNEL_DS;
gdb_regs[GDB_FS] = 0xFFFF;
gdb_regs[GDB_GS] = 0xFFFF;
#else
gdb_regs32[GDB_PS] = *(unsigned long *)(p->thread.sp + 8);
gdb_regs32[GDB_CS] = __KERNEL_CS;
gdb_regs32[GDB_SS] = __KERNEL_DS;
gdb_regs[GDB_PC] = 0;
gdb_regs[GDB_R8] = 0;
gdb_regs[GDB_R9] = 0;
gdb_regs[GDB_R10] = 0;
gdb_regs[GDB_R11] = 0;
gdb_regs[GDB_R12] = 0;
gdb_regs[GDB_R13] = 0;
gdb_regs[GDB_R14] = 0;
gdb_regs[GDB_R15] = 0;
#endif
gdb_regs[GDB_SP] = p->thread.sp;
}
| @@ -608,7 +608,7 @@ int kgdb_arch_init(void)
return register_die_notifier(&kgdb_notifier);
}
-static void kgdb_hw_overflow_handler(struct perf_event *event, int nmi,
+static void kgdb_hw_overflow_handler(struct perf_event *event,
struct perf_sample_data *data, struct pt_regs *regs)
{
struct task_struct *tsk = current; | CWE-399 | null | null |
20,718 | long arch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data)
{
int ret;
unsigned long __user *datap = (unsigned long __user *)data;
switch (request) {
/* read the word at location addr in the USER area. */
case PTRACE_PEEKUSR: {
unsigned long tmp;
ret = -EIO;
if ((addr & (sizeof(data) - 1)) || addr >= sizeof(struct user))
break;
tmp = 0; /* Default return condition */
if (addr < sizeof(struct user_regs_struct))
tmp = getreg(child, addr);
else if (addr >= offsetof(struct user, u_debugreg[0]) &&
addr <= offsetof(struct user, u_debugreg[7])) {
addr -= offsetof(struct user, u_debugreg[0]);
tmp = ptrace_get_debugreg(child, addr / sizeof(data));
}
ret = put_user(tmp, datap);
break;
}
case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
ret = -EIO;
if ((addr & (sizeof(data) - 1)) || addr >= sizeof(struct user))
break;
if (addr < sizeof(struct user_regs_struct))
ret = putreg(child, addr, data);
else if (addr >= offsetof(struct user, u_debugreg[0]) &&
addr <= offsetof(struct user, u_debugreg[7])) {
addr -= offsetof(struct user, u_debugreg[0]);
ret = ptrace_set_debugreg(child,
addr / sizeof(data), data);
}
break;
case PTRACE_GETREGS: /* Get all gp regs from the child. */
return copy_regset_to_user(child,
task_user_regset_view(current),
REGSET_GENERAL,
0, sizeof(struct user_regs_struct),
datap);
case PTRACE_SETREGS: /* Set all gp regs in the child. */
return copy_regset_from_user(child,
task_user_regset_view(current),
REGSET_GENERAL,
0, sizeof(struct user_regs_struct),
datap);
case PTRACE_GETFPREGS: /* Get the child FPU state. */
return copy_regset_to_user(child,
task_user_regset_view(current),
REGSET_FP,
0, sizeof(struct user_i387_struct),
datap);
case PTRACE_SETFPREGS: /* Set the child FPU state. */
return copy_regset_from_user(child,
task_user_regset_view(current),
REGSET_FP,
0, sizeof(struct user_i387_struct),
datap);
#ifdef CONFIG_X86_32
case PTRACE_GETFPXREGS: /* Get the child extended FPU state. */
return copy_regset_to_user(child, &user_x86_32_view,
REGSET_XFP,
0, sizeof(struct user_fxsr_struct),
datap) ? -EIO : 0;
case PTRACE_SETFPXREGS: /* Set the child extended FPU state. */
return copy_regset_from_user(child, &user_x86_32_view,
REGSET_XFP,
0, sizeof(struct user_fxsr_struct),
datap) ? -EIO : 0;
#endif
#if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION
case PTRACE_GET_THREAD_AREA:
if ((int) addr < 0)
return -EIO;
ret = do_get_thread_area(child, addr,
(struct user_desc __user *)data);
break;
case PTRACE_SET_THREAD_AREA:
if ((int) addr < 0)
return -EIO;
ret = do_set_thread_area(child, addr,
(struct user_desc __user *)data, 0);
break;
#endif
#ifdef CONFIG_X86_64
/* normal 64bit interface to access TLS data.
Works just like arch_prctl, except that the arguments
are reversed. */
case PTRACE_ARCH_PRCTL:
ret = do_arch_prctl(child, data, addr);
break;
#endif
default:
ret = ptrace_request(child, request, addr, data);
break;
}
return ret;
}
| DoS Overflow | 0 | long arch_ptrace(struct task_struct *child, long request,
unsigned long addr, unsigned long data)
{
int ret;
unsigned long __user *datap = (unsigned long __user *)data;
switch (request) {
/* read the word at location addr in the USER area. */
case PTRACE_PEEKUSR: {
unsigned long tmp;
ret = -EIO;
if ((addr & (sizeof(data) - 1)) || addr >= sizeof(struct user))
break;
tmp = 0; /* Default return condition */
if (addr < sizeof(struct user_regs_struct))
tmp = getreg(child, addr);
else if (addr >= offsetof(struct user, u_debugreg[0]) &&
addr <= offsetof(struct user, u_debugreg[7])) {
addr -= offsetof(struct user, u_debugreg[0]);
tmp = ptrace_get_debugreg(child, addr / sizeof(data));
}
ret = put_user(tmp, datap);
break;
}
case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
ret = -EIO;
if ((addr & (sizeof(data) - 1)) || addr >= sizeof(struct user))
break;
if (addr < sizeof(struct user_regs_struct))
ret = putreg(child, addr, data);
else if (addr >= offsetof(struct user, u_debugreg[0]) &&
addr <= offsetof(struct user, u_debugreg[7])) {
addr -= offsetof(struct user, u_debugreg[0]);
ret = ptrace_set_debugreg(child,
addr / sizeof(data), data);
}
break;
case PTRACE_GETREGS: /* Get all gp regs from the child. */
return copy_regset_to_user(child,
task_user_regset_view(current),
REGSET_GENERAL,
0, sizeof(struct user_regs_struct),
datap);
case PTRACE_SETREGS: /* Set all gp regs in the child. */
return copy_regset_from_user(child,
task_user_regset_view(current),
REGSET_GENERAL,
0, sizeof(struct user_regs_struct),
datap);
case PTRACE_GETFPREGS: /* Get the child FPU state. */
return copy_regset_to_user(child,
task_user_regset_view(current),
REGSET_FP,
0, sizeof(struct user_i387_struct),
datap);
case PTRACE_SETFPREGS: /* Set the child FPU state. */
return copy_regset_from_user(child,
task_user_regset_view(current),
REGSET_FP,
0, sizeof(struct user_i387_struct),
datap);
#ifdef CONFIG_X86_32
case PTRACE_GETFPXREGS: /* Get the child extended FPU state. */
return copy_regset_to_user(child, &user_x86_32_view,
REGSET_XFP,
0, sizeof(struct user_fxsr_struct),
datap) ? -EIO : 0;
case PTRACE_SETFPXREGS: /* Set the child extended FPU state. */
return copy_regset_from_user(child, &user_x86_32_view,
REGSET_XFP,
0, sizeof(struct user_fxsr_struct),
datap) ? -EIO : 0;
#endif
#if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION
case PTRACE_GET_THREAD_AREA:
if ((int) addr < 0)
return -EIO;
ret = do_get_thread_area(child, addr,
(struct user_desc __user *)data);
break;
case PTRACE_SET_THREAD_AREA:
if ((int) addr < 0)
return -EIO;
ret = do_set_thread_area(child, addr,
(struct user_desc __user *)data, 0);
break;
#endif
#ifdef CONFIG_X86_64
/* normal 64bit interface to access TLS data.
Works just like arch_prctl, except that the arguments
are reversed. */
case PTRACE_ARCH_PRCTL:
ret = do_arch_prctl(child, data, addr);
break;
#endif
default:
ret = ptrace_request(child, request, addr, data);
break;
}
return ret;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,719 | static void fill_sigtrap_info(struct task_struct *tsk,
struct pt_regs *regs,
int error_code, int si_code,
struct siginfo *info)
{
tsk->thread.trap_no = 1;
tsk->thread.error_code = error_code;
memset(info, 0, sizeof(*info));
info->si_signo = SIGTRAP;
info->si_code = si_code;
info->si_addr = user_mode_vm(regs) ? (void __user *)regs->ip : NULL;
}
| DoS Overflow | 0 | static void fill_sigtrap_info(struct task_struct *tsk,
struct pt_regs *regs,
int error_code, int si_code,
struct siginfo *info)
{
tsk->thread.trap_no = 1;
tsk->thread.error_code = error_code;
memset(info, 0, sizeof(*info));
info->si_signo = SIGTRAP;
info->si_code = si_code;
info->si_addr = user_mode_vm(regs) ? (void __user *)regs->ip : NULL;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,720 | static int genregs32_get(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
void *kbuf, void __user *ubuf)
{
if (kbuf) {
compat_ulong_t *k = kbuf;
while (count >= sizeof(*k)) {
getreg32(target, pos, k++);
count -= sizeof(*k);
pos += sizeof(*k);
}
} else {
compat_ulong_t __user *u = ubuf;
while (count >= sizeof(*u)) {
compat_ulong_t word;
getreg32(target, pos, &word);
if (__put_user(word, u++))
return -EFAULT;
count -= sizeof(*u);
pos += sizeof(*u);
}
}
return 0;
}
| DoS Overflow | 0 | static int genregs32_get(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
void *kbuf, void __user *ubuf)
{
if (kbuf) {
compat_ulong_t *k = kbuf;
while (count >= sizeof(*k)) {
getreg32(target, pos, k++);
count -= sizeof(*k);
pos += sizeof(*k);
}
} else {
compat_ulong_t __user *u = ubuf;
while (count >= sizeof(*u)) {
compat_ulong_t word;
getreg32(target, pos, &word);
if (__put_user(word, u++))
return -EFAULT;
count -= sizeof(*u);
pos += sizeof(*u);
}
}
return 0;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,721 | static int genregs32_set(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
const void *kbuf, const void __user *ubuf)
{
int ret = 0;
if (kbuf) {
const compat_ulong_t *k = kbuf;
while (count >= sizeof(*k) && !ret) {
ret = putreg32(target, pos, *k++);
count -= sizeof(*k);
pos += sizeof(*k);
}
} else {
const compat_ulong_t __user *u = ubuf;
while (count >= sizeof(*u) && !ret) {
compat_ulong_t word;
ret = __get_user(word, u++);
if (ret)
break;
ret = putreg32(target, pos, word);
count -= sizeof(*u);
pos += sizeof(*u);
}
}
return ret;
}
| DoS Overflow | 0 | static int genregs32_set(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
const void *kbuf, const void __user *ubuf)
{
int ret = 0;
if (kbuf) {
const compat_ulong_t *k = kbuf;
while (count >= sizeof(*k) && !ret) {
ret = putreg32(target, pos, *k++);
count -= sizeof(*k);
pos += sizeof(*k);
}
} else {
const compat_ulong_t __user *u = ubuf;
while (count >= sizeof(*u) && !ret) {
compat_ulong_t word;
ret = __get_user(word, u++);
if (ret)
break;
ret = putreg32(target, pos, word);
count -= sizeof(*u);
pos += sizeof(*u);
}
}
return ret;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,722 | static int genregs_get(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
void *kbuf, void __user *ubuf)
{
if (kbuf) {
unsigned long *k = kbuf;
while (count >= sizeof(*k)) {
*k++ = getreg(target, pos);
count -= sizeof(*k);
pos += sizeof(*k);
}
} else {
unsigned long __user *u = ubuf;
while (count >= sizeof(*u)) {
if (__put_user(getreg(target, pos), u++))
return -EFAULT;
count -= sizeof(*u);
pos += sizeof(*u);
}
}
return 0;
}
| DoS Overflow | 0 | static int genregs_get(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
void *kbuf, void __user *ubuf)
{
if (kbuf) {
unsigned long *k = kbuf;
while (count >= sizeof(*k)) {
*k++ = getreg(target, pos);
count -= sizeof(*k);
pos += sizeof(*k);
}
} else {
unsigned long __user *u = ubuf;
while (count >= sizeof(*u)) {
if (__put_user(getreg(target, pos), u++))
return -EFAULT;
count -= sizeof(*u);
pos += sizeof(*u);
}
}
return 0;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,723 | static int genregs_set(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
const void *kbuf, const void __user *ubuf)
{
int ret = 0;
if (kbuf) {
const unsigned long *k = kbuf;
while (count >= sizeof(*k) && !ret) {
ret = putreg(target, pos, *k++);
count -= sizeof(*k);
pos += sizeof(*k);
}
} else {
const unsigned long __user *u = ubuf;
while (count >= sizeof(*u) && !ret) {
unsigned long word;
ret = __get_user(word, u++);
if (ret)
break;
ret = putreg(target, pos, word);
count -= sizeof(*u);
pos += sizeof(*u);
}
}
return ret;
}
| DoS Overflow | 0 | static int genregs_set(struct task_struct *target,
const struct user_regset *regset,
unsigned int pos, unsigned int count,
const void *kbuf, const void __user *ubuf)
{
int ret = 0;
if (kbuf) {
const unsigned long *k = kbuf;
while (count >= sizeof(*k) && !ret) {
ret = putreg(target, pos, *k++);
count -= sizeof(*k);
pos += sizeof(*k);
}
} else {
const unsigned long __user *u = ubuf;
while (count >= sizeof(*u) && !ret) {
unsigned long word;
ret = __get_user(word, u++);
if (ret)
break;
ret = putreg(target, pos, word);
count -= sizeof(*u);
pos += sizeof(*u);
}
}
return ret;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,724 | static unsigned long get_flags(struct task_struct *task)
{
unsigned long retval = task_pt_regs(task)->flags;
/*
* If the debugger set TF, hide it from the readout.
*/
if (test_tsk_thread_flag(task, TIF_FORCED_TF))
retval &= ~X86_EFLAGS_TF;
return retval;
}
| DoS Overflow | 0 | static unsigned long get_flags(struct task_struct *task)
{
unsigned long retval = task_pt_regs(task)->flags;
/*
* If the debugger set TF, hide it from the readout.
*/
if (test_tsk_thread_flag(task, TIF_FORCED_TF))
retval &= ~X86_EFLAGS_TF;
return retval;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,725 | static u16 get_segment_reg(struct task_struct *task, unsigned long offset)
{
/*
* Returning the value truncates it to 16 bits.
*/
unsigned int retval;
if (offset != offsetof(struct user_regs_struct, gs))
retval = *pt_regs_access(task_pt_regs(task), offset);
else {
if (task == current)
retval = get_user_gs(task_pt_regs(task));
else
retval = task_user_gs(task);
}
return retval;
}
| DoS Overflow | 0 | static u16 get_segment_reg(struct task_struct *task, unsigned long offset)
{
/*
* Returning the value truncates it to 16 bits.
*/
unsigned int retval;
if (offset != offsetof(struct user_regs_struct, gs))
retval = *pt_regs_access(task_pt_regs(task), offset);
else {
if (task == current)
retval = get_user_gs(task_pt_regs(task));
else
retval = task_user_gs(task);
}
return retval;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,726 | static u16 get_segment_reg(struct task_struct *task, unsigned long offset)
{
/*
* Returning the value truncates it to 16 bits.
*/
unsigned int seg;
switch (offset) {
case offsetof(struct user_regs_struct, fs):
if (task == current) {
/* Older gas can't assemble movq %?s,%r?? */
asm("movl %%fs,%0" : "=r" (seg));
return seg;
}
return task->thread.fsindex;
case offsetof(struct user_regs_struct, gs):
if (task == current) {
asm("movl %%gs,%0" : "=r" (seg));
return seg;
}
return task->thread.gsindex;
case offsetof(struct user_regs_struct, ds):
if (task == current) {
asm("movl %%ds,%0" : "=r" (seg));
return seg;
}
return task->thread.ds;
case offsetof(struct user_regs_struct, es):
if (task == current) {
asm("movl %%es,%0" : "=r" (seg));
return seg;
}
return task->thread.es;
case offsetof(struct user_regs_struct, cs):
case offsetof(struct user_regs_struct, ss):
break;
}
return *pt_regs_access(task_pt_regs(task), offset);
}
| DoS Overflow | 0 | static u16 get_segment_reg(struct task_struct *task, unsigned long offset)
{
/*
* Returning the value truncates it to 16 bits.
*/
unsigned int seg;
switch (offset) {
case offsetof(struct user_regs_struct, fs):
if (task == current) {
/* Older gas can't assemble movq %?s,%r?? */
asm("movl %%fs,%0" : "=r" (seg));
return seg;
}
return task->thread.fsindex;
case offsetof(struct user_regs_struct, gs):
if (task == current) {
asm("movl %%gs,%0" : "=r" (seg));
return seg;
}
return task->thread.gsindex;
case offsetof(struct user_regs_struct, ds):
if (task == current) {
asm("movl %%ds,%0" : "=r" (seg));
return seg;
}
return task->thread.ds;
case offsetof(struct user_regs_struct, es):
if (task == current) {
asm("movl %%es,%0" : "=r" (seg));
return seg;
}
return task->thread.es;
case offsetof(struct user_regs_struct, cs):
case offsetof(struct user_regs_struct, ss):
break;
}
return *pt_regs_access(task_pt_regs(task), offset);
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,727 | static unsigned long getreg(struct task_struct *task, unsigned long offset)
{
switch (offset) {
case offsetof(struct user_regs_struct, cs):
case offsetof(struct user_regs_struct, ds):
case offsetof(struct user_regs_struct, es):
case offsetof(struct user_regs_struct, fs):
case offsetof(struct user_regs_struct, gs):
case offsetof(struct user_regs_struct, ss):
return get_segment_reg(task, offset);
case offsetof(struct user_regs_struct, flags):
return get_flags(task);
#ifdef CONFIG_X86_64
case offsetof(struct user_regs_struct, fs_base): {
/*
* do_arch_prctl may have used a GDT slot instead of
* the MSR. To userland, it appears the same either
* way, except the %fs segment selector might not be 0.
*/
unsigned int seg = task->thread.fsindex;
if (task->thread.fs != 0)
return task->thread.fs;
if (task == current)
asm("movl %%fs,%0" : "=r" (seg));
if (seg != FS_TLS_SEL)
return 0;
return get_desc_base(&task->thread.tls_array[FS_TLS]);
}
case offsetof(struct user_regs_struct, gs_base): {
/*
* Exactly the same here as the %fs handling above.
*/
unsigned int seg = task->thread.gsindex;
if (task->thread.gs != 0)
return task->thread.gs;
if (task == current)
asm("movl %%gs,%0" : "=r" (seg));
if (seg != GS_TLS_SEL)
return 0;
return get_desc_base(&task->thread.tls_array[GS_TLS]);
}
#endif
}
return *pt_regs_access(task_pt_regs(task), offset);
}
| DoS Overflow | 0 | static unsigned long getreg(struct task_struct *task, unsigned long offset)
{
switch (offset) {
case offsetof(struct user_regs_struct, cs):
case offsetof(struct user_regs_struct, ds):
case offsetof(struct user_regs_struct, es):
case offsetof(struct user_regs_struct, fs):
case offsetof(struct user_regs_struct, gs):
case offsetof(struct user_regs_struct, ss):
return get_segment_reg(task, offset);
case offsetof(struct user_regs_struct, flags):
return get_flags(task);
#ifdef CONFIG_X86_64
case offsetof(struct user_regs_struct, fs_base): {
/*
* do_arch_prctl may have used a GDT slot instead of
* the MSR. To userland, it appears the same either
* way, except the %fs segment selector might not be 0.
*/
unsigned int seg = task->thread.fsindex;
if (task->thread.fs != 0)
return task->thread.fs;
if (task == current)
asm("movl %%fs,%0" : "=r" (seg));
if (seg != FS_TLS_SEL)
return 0;
return get_desc_base(&task->thread.tls_array[FS_TLS]);
}
case offsetof(struct user_regs_struct, gs_base): {
/*
* Exactly the same here as the %fs handling above.
*/
unsigned int seg = task->thread.gsindex;
if (task->thread.gs != 0)
return task->thread.gs;
if (task == current)
asm("movl %%gs,%0" : "=r" (seg));
if (seg != GS_TLS_SEL)
return 0;
return get_desc_base(&task->thread.tls_array[GS_TLS]);
}
#endif
}
return *pt_regs_access(task_pt_regs(task), offset);
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,728 | static int getreg32(struct task_struct *child, unsigned regno, u32 *val)
{
struct pt_regs *regs = task_pt_regs(child);
switch (regno) {
SEG32(ds);
SEG32(es);
SEG32(fs);
SEG32(gs);
R32(cs, cs);
R32(ss, ss);
R32(ebx, bx);
R32(ecx, cx);
R32(edx, dx);
R32(edi, di);
R32(esi, si);
R32(ebp, bp);
R32(eax, ax);
R32(orig_eax, orig_ax);
R32(eip, ip);
R32(esp, sp);
case offsetof(struct user32, regs.eflags):
*val = get_flags(child);
break;
case offsetof(struct user32, u_debugreg[0]) ...
offsetof(struct user32, u_debugreg[7]):
regno -= offsetof(struct user32, u_debugreg[0]);
*val = ptrace_get_debugreg(child, regno / 4);
break;
default:
if (regno > sizeof(struct user32) || (regno & 3))
return -EIO;
/*
* Other dummy fields in the virtual user structure
* are ignored
*/
*val = 0;
break;
}
return 0;
}
| DoS Overflow | 0 | static int getreg32(struct task_struct *child, unsigned regno, u32 *val)
{
struct pt_regs *regs = task_pt_regs(child);
switch (regno) {
SEG32(ds);
SEG32(es);
SEG32(fs);
SEG32(gs);
R32(cs, cs);
R32(ss, ss);
R32(ebx, bx);
R32(ecx, cx);
R32(edx, dx);
R32(edi, di);
R32(esi, si);
R32(ebp, bp);
R32(eax, ax);
R32(orig_eax, orig_ax);
R32(eip, ip);
R32(esp, sp);
case offsetof(struct user32, regs.eflags):
*val = get_flags(child);
break;
case offsetof(struct user32, u_debugreg[0]) ...
offsetof(struct user32, u_debugreg[7]):
regno -= offsetof(struct user32, u_debugreg[0]);
*val = ptrace_get_debugreg(child, regno / 4);
break;
default:
if (regno > sizeof(struct user32) || (regno & 3))
return -EIO;
/*
* Other dummy fields in the virtual user structure
* are ignored
*/
*val = 0;
break;
}
return 0;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,729 | static inline bool invalid_selector(u16 value)
{
return unlikely(value != 0 && (value & SEGMENT_RPL_MASK) != USER_RPL);
}
| DoS Overflow | 0 | static inline bool invalid_selector(u16 value)
{
return unlikely(value != 0 && (value & SEGMENT_RPL_MASK) != USER_RPL);
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,730 | static int ioperm_active(struct task_struct *target,
const struct user_regset *regset)
{
return target->thread.io_bitmap_max / regset->size;
}
| DoS Overflow | 0 | static int ioperm_active(struct task_struct *target,
const struct user_regset *regset)
{
return target->thread.io_bitmap_max / regset->size;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,731 | static unsigned long *pt_regs_access(struct pt_regs *regs, unsigned long regno)
{
BUILD_BUG_ON(offsetof(struct pt_regs, bx) != 0);
return ®s->bx + (regno >> 2);
}
| DoS Overflow | 0 | static unsigned long *pt_regs_access(struct pt_regs *regs, unsigned long regno)
{
BUILD_BUG_ON(offsetof(struct pt_regs, bx) != 0);
return ®s->bx + (regno >> 2);
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,732 | static unsigned long *pt_regs_access(struct pt_regs *regs, unsigned long offset)
{
BUILD_BUG_ON(offsetof(struct pt_regs, r15) != 0);
return ®s->r15 + (offset / sizeof(regs->r15));
}
| DoS Overflow | 0 | static unsigned long *pt_regs_access(struct pt_regs *regs, unsigned long offset)
{
BUILD_BUG_ON(offsetof(struct pt_regs, r15) != 0);
return ®s->r15 + (offset / sizeof(regs->r15));
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,733 | void ptrace_disable(struct task_struct *child)
{
user_disable_single_step(child);
#ifdef TIF_SYSCALL_EMU
clear_tsk_thread_flag(child, TIF_SYSCALL_EMU);
#endif
}
| DoS Overflow | 0 | void ptrace_disable(struct task_struct *child)
{
user_disable_single_step(child);
#ifdef TIF_SYSCALL_EMU
clear_tsk_thread_flag(child, TIF_SYSCALL_EMU);
#endif
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,734 | static unsigned long ptrace_get_dr7(struct perf_event *bp[])
{
int i;
int dr7 = 0;
struct arch_hw_breakpoint *info;
for (i = 0; i < HBP_NUM; i++) {
if (bp[i] && !bp[i]->attr.disabled) {
info = counter_arch_bp(bp[i]);
dr7 |= encode_dr7(i, info->len, info->type);
}
}
return dr7;
}
| DoS Overflow | 0 | static unsigned long ptrace_get_dr7(struct perf_event *bp[])
{
int i;
int dr7 = 0;
struct arch_hw_breakpoint *info;
for (i = 0; i < HBP_NUM; i++) {
if (bp[i] && !bp[i]->attr.disabled) {
info = counter_arch_bp(bp[i]);
dr7 |= encode_dr7(i, info->len, info->type);
}
}
return dr7;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,735 | ptrace_modify_breakpoint(struct perf_event *bp, int len, int type,
struct task_struct *tsk, int disabled)
{
int err;
int gen_len, gen_type;
struct perf_event_attr attr;
/*
* We should have at least an inactive breakpoint at this
* slot. It means the user is writing dr7 without having
* written the address register first
*/
if (!bp)
return -EINVAL;
err = arch_bp_generic_fields(len, type, &gen_len, &gen_type);
if (err)
return err;
attr = bp->attr;
attr.bp_len = gen_len;
attr.bp_type = gen_type;
attr.disabled = disabled;
return modify_user_hw_breakpoint(bp, &attr);
}
| DoS Overflow | 0 | ptrace_modify_breakpoint(struct perf_event *bp, int len, int type,
struct task_struct *tsk, int disabled)
{
int err;
int gen_len, gen_type;
struct perf_event_attr attr;
/*
* We should have at least an inactive breakpoint at this
* slot. It means the user is writing dr7 without having
* written the address register first
*/
if (!bp)
return -EINVAL;
err = arch_bp_generic_fields(len, type, &gen_len, &gen_type);
if (err)
return err;
attr = bp->attr;
attr.bp_len = gen_len;
attr.bp_type = gen_type;
attr.disabled = disabled;
return modify_user_hw_breakpoint(bp, &attr);
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,736 | static int ptrace_set_breakpoint_addr(struct task_struct *tsk, int nr,
unsigned long addr)
{
struct perf_event *bp;
struct thread_struct *t = &tsk->thread;
struct perf_event_attr attr;
int err = 0;
if (ptrace_get_breakpoints(tsk) < 0)
return -ESRCH;
if (!t->ptrace_bps[nr]) {
ptrace_breakpoint_init(&attr);
/*
* Put stub len and type to register (reserve) an inactive but
* correct bp
*/
attr.bp_addr = addr;
attr.bp_len = HW_BREAKPOINT_LEN_1;
attr.bp_type = HW_BREAKPOINT_W;
attr.disabled = 1;
bp = register_user_hw_breakpoint(&attr, ptrace_triggered, tsk);
/*
* CHECKME: the previous code returned -EIO if the addr wasn't
* a valid task virtual addr. The new one will return -EINVAL in
* this case.
* -EINVAL may be what we want for in-kernel breakpoints users,
* but -EIO looks better for ptrace, since we refuse a register
* writing for the user. And anyway this is the previous
* behaviour.
*/
if (IS_ERR(bp)) {
err = PTR_ERR(bp);
goto put;
}
t->ptrace_bps[nr] = bp;
} else {
bp = t->ptrace_bps[nr];
attr = bp->attr;
attr.bp_addr = addr;
err = modify_user_hw_breakpoint(bp, &attr);
}
put:
ptrace_put_breakpoints(tsk);
return err;
}
| DoS Overflow | 0 | static int ptrace_set_breakpoint_addr(struct task_struct *tsk, int nr,
unsigned long addr)
{
struct perf_event *bp;
struct thread_struct *t = &tsk->thread;
struct perf_event_attr attr;
int err = 0;
if (ptrace_get_breakpoints(tsk) < 0)
return -ESRCH;
if (!t->ptrace_bps[nr]) {
ptrace_breakpoint_init(&attr);
/*
* Put stub len and type to register (reserve) an inactive but
* correct bp
*/
attr.bp_addr = addr;
attr.bp_len = HW_BREAKPOINT_LEN_1;
attr.bp_type = HW_BREAKPOINT_W;
attr.disabled = 1;
bp = register_user_hw_breakpoint(&attr, ptrace_triggered, tsk);
/*
* CHECKME: the previous code returned -EIO if the addr wasn't
* a valid task virtual addr. The new one will return -EINVAL in
* this case.
* -EINVAL may be what we want for in-kernel breakpoints users,
* but -EIO looks better for ptrace, since we refuse a register
* writing for the user. And anyway this is the previous
* behaviour.
*/
if (IS_ERR(bp)) {
err = PTR_ERR(bp);
goto put;
}
t->ptrace_bps[nr] = bp;
} else {
bp = t->ptrace_bps[nr];
attr = bp->attr;
attr.bp_addr = addr;
err = modify_user_hw_breakpoint(bp, &attr);
}
put:
ptrace_put_breakpoints(tsk);
return err;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,737 | static int ptrace_write_dr7(struct task_struct *tsk, unsigned long data)
{
struct thread_struct *thread = &(tsk->thread);
unsigned long old_dr7;
int i, orig_ret = 0, rc = 0;
int enabled, second_pass = 0;
unsigned len, type;
struct perf_event *bp;
if (ptrace_get_breakpoints(tsk) < 0)
return -ESRCH;
data &= ~DR_CONTROL_RESERVED;
old_dr7 = ptrace_get_dr7(thread->ptrace_bps);
restore:
/*
* Loop through all the hardware breakpoints, making the
* appropriate changes to each.
*/
for (i = 0; i < HBP_NUM; i++) {
enabled = decode_dr7(data, i, &len, &type);
bp = thread->ptrace_bps[i];
if (!enabled) {
if (bp) {
/*
* Don't unregister the breakpoints right-away,
* unless all register_user_hw_breakpoint()
* requests have succeeded. This prevents
* any window of opportunity for debug
* register grabbing by other users.
*/
if (!second_pass)
continue;
rc = ptrace_modify_breakpoint(bp, len, type,
tsk, 1);
if (rc)
break;
}
continue;
}
rc = ptrace_modify_breakpoint(bp, len, type, tsk, 0);
if (rc)
break;
}
/*
* Make a second pass to free the remaining unused breakpoints
* or to restore the original breakpoints if an error occurred.
*/
if (!second_pass) {
second_pass = 1;
if (rc < 0) {
orig_ret = rc;
data = old_dr7;
}
goto restore;
}
ptrace_put_breakpoints(tsk);
return ((orig_ret < 0) ? orig_ret : rc);
}
| DoS Overflow | 0 | static int ptrace_write_dr7(struct task_struct *tsk, unsigned long data)
{
struct thread_struct *thread = &(tsk->thread);
unsigned long old_dr7;
int i, orig_ret = 0, rc = 0;
int enabled, second_pass = 0;
unsigned len, type;
struct perf_event *bp;
if (ptrace_get_breakpoints(tsk) < 0)
return -ESRCH;
data &= ~DR_CONTROL_RESERVED;
old_dr7 = ptrace_get_dr7(thread->ptrace_bps);
restore:
/*
* Loop through all the hardware breakpoints, making the
* appropriate changes to each.
*/
for (i = 0; i < HBP_NUM; i++) {
enabled = decode_dr7(data, i, &len, &type);
bp = thread->ptrace_bps[i];
if (!enabled) {
if (bp) {
/*
* Don't unregister the breakpoints right-away,
* unless all register_user_hw_breakpoint()
* requests have succeeded. This prevents
* any window of opportunity for debug
* register grabbing by other users.
*/
if (!second_pass)
continue;
rc = ptrace_modify_breakpoint(bp, len, type,
tsk, 1);
if (rc)
break;
}
continue;
}
rc = ptrace_modify_breakpoint(bp, len, type, tsk, 0);
if (rc)
break;
}
/*
* Make a second pass to free the remaining unused breakpoints
* or to restore the original breakpoints if an error occurred.
*/
if (!second_pass) {
second_pass = 1;
if (rc < 0) {
orig_ret = rc;
data = old_dr7;
}
goto restore;
}
ptrace_put_breakpoints(tsk);
return ((orig_ret < 0) ? orig_ret : rc);
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,738 | static int putreg(struct task_struct *child,
unsigned long offset, unsigned long value)
{
switch (offset) {
case offsetof(struct user_regs_struct, cs):
case offsetof(struct user_regs_struct, ds):
case offsetof(struct user_regs_struct, es):
case offsetof(struct user_regs_struct, fs):
case offsetof(struct user_regs_struct, gs):
case offsetof(struct user_regs_struct, ss):
return set_segment_reg(child, offset, value);
case offsetof(struct user_regs_struct, flags):
return set_flags(child, value);
#ifdef CONFIG_X86_64
case offsetof(struct user_regs_struct,fs_base):
if (value >= TASK_SIZE_OF(child))
return -EIO;
/*
* When changing the segment base, use do_arch_prctl
* to set either thread.fs or thread.fsindex and the
* corresponding GDT slot.
*/
if (child->thread.fs != value)
return do_arch_prctl(child, ARCH_SET_FS, value);
return 0;
case offsetof(struct user_regs_struct,gs_base):
/*
* Exactly the same here as the %fs handling above.
*/
if (value >= TASK_SIZE_OF(child))
return -EIO;
if (child->thread.gs != value)
return do_arch_prctl(child, ARCH_SET_GS, value);
return 0;
#endif
}
*pt_regs_access(task_pt_regs(child), offset) = value;
return 0;
}
| DoS Overflow | 0 | static int putreg(struct task_struct *child,
unsigned long offset, unsigned long value)
{
switch (offset) {
case offsetof(struct user_regs_struct, cs):
case offsetof(struct user_regs_struct, ds):
case offsetof(struct user_regs_struct, es):
case offsetof(struct user_regs_struct, fs):
case offsetof(struct user_regs_struct, gs):
case offsetof(struct user_regs_struct, ss):
return set_segment_reg(child, offset, value);
case offsetof(struct user_regs_struct, flags):
return set_flags(child, value);
#ifdef CONFIG_X86_64
case offsetof(struct user_regs_struct,fs_base):
if (value >= TASK_SIZE_OF(child))
return -EIO;
/*
* When changing the segment base, use do_arch_prctl
* to set either thread.fs or thread.fsindex and the
* corresponding GDT slot.
*/
if (child->thread.fs != value)
return do_arch_prctl(child, ARCH_SET_FS, value);
return 0;
case offsetof(struct user_regs_struct,gs_base):
/*
* Exactly the same here as the %fs handling above.
*/
if (value >= TASK_SIZE_OF(child))
return -EIO;
if (child->thread.gs != value)
return do_arch_prctl(child, ARCH_SET_GS, value);
return 0;
#endif
}
*pt_regs_access(task_pt_regs(child), offset) = value;
return 0;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,739 | static int set_flags(struct task_struct *task, unsigned long value)
{
struct pt_regs *regs = task_pt_regs(task);
/*
* If the user value contains TF, mark that
* it was not "us" (the debugger) that set it.
* If not, make sure it stays set if we had.
*/
if (value & X86_EFLAGS_TF)
clear_tsk_thread_flag(task, TIF_FORCED_TF);
else if (test_tsk_thread_flag(task, TIF_FORCED_TF))
value |= X86_EFLAGS_TF;
regs->flags = (regs->flags & ~FLAG_MASK) | (value & FLAG_MASK);
return 0;
}
| DoS Overflow | 0 | static int set_flags(struct task_struct *task, unsigned long value)
{
struct pt_regs *regs = task_pt_regs(task);
/*
* If the user value contains TF, mark that
* it was not "us" (the debugger) that set it.
* If not, make sure it stays set if we had.
*/
if (value & X86_EFLAGS_TF)
clear_tsk_thread_flag(task, TIF_FORCED_TF);
else if (test_tsk_thread_flag(task, TIF_FORCED_TF))
value |= X86_EFLAGS_TF;
regs->flags = (regs->flags & ~FLAG_MASK) | (value & FLAG_MASK);
return 0;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,740 | static int set_segment_reg(struct task_struct *task,
unsigned long offset, u16 value)
{
/*
* The value argument was already truncated to 16 bits.
*/
if (invalid_selector(value))
return -EIO;
/*
* For %cs and %ss we cannot permit a null selector.
* We can permit a bogus selector as long as it has USER_RPL.
* Null selectors are fine for other segment registers, but
* we will never get back to user mode with invalid %cs or %ss
* and will take the trap in iret instead. Much code relies
* on user_mode() to distinguish a user trap frame (which can
* safely use invalid selectors) from a kernel trap frame.
*/
switch (offset) {
case offsetof(struct user_regs_struct, cs):
case offsetof(struct user_regs_struct, ss):
if (unlikely(value == 0))
return -EIO;
default:
*pt_regs_access(task_pt_regs(task), offset) = value;
break;
case offsetof(struct user_regs_struct, gs):
if (task == current)
set_user_gs(task_pt_regs(task), value);
else
task_user_gs(task) = value;
}
return 0;
}
| DoS Overflow | 0 | static int set_segment_reg(struct task_struct *task,
unsigned long offset, u16 value)
{
/*
* The value argument was already truncated to 16 bits.
*/
if (invalid_selector(value))
return -EIO;
/*
* For %cs and %ss we cannot permit a null selector.
* We can permit a bogus selector as long as it has USER_RPL.
* Null selectors are fine for other segment registers, but
* we will never get back to user mode with invalid %cs or %ss
* and will take the trap in iret instead. Much code relies
* on user_mode() to distinguish a user trap frame (which can
* safely use invalid selectors) from a kernel trap frame.
*/
switch (offset) {
case offsetof(struct user_regs_struct, cs):
case offsetof(struct user_regs_struct, ss):
if (unlikely(value == 0))
return -EIO;
default:
*pt_regs_access(task_pt_regs(task), offset) = value;
break;
case offsetof(struct user_regs_struct, gs):
if (task == current)
set_user_gs(task_pt_regs(task), value);
else
task_user_gs(task) = value;
}
return 0;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,741 | static int set_segment_reg(struct task_struct *task,
unsigned long offset, u16 value)
{
/*
* The value argument was already truncated to 16 bits.
*/
if (invalid_selector(value))
return -EIO;
switch (offset) {
case offsetof(struct user_regs_struct,fs):
/*
* If this is setting fs as for normal 64-bit use but
* setting fs_base has implicitly changed it, leave it.
*/
if ((value == FS_TLS_SEL && task->thread.fsindex == 0 &&
task->thread.fs != 0) ||
(value == 0 && task->thread.fsindex == FS_TLS_SEL &&
task->thread.fs == 0))
break;
task->thread.fsindex = value;
if (task == current)
loadsegment(fs, task->thread.fsindex);
break;
case offsetof(struct user_regs_struct,gs):
/*
* If this is setting gs as for normal 64-bit use but
* setting gs_base has implicitly changed it, leave it.
*/
if ((value == GS_TLS_SEL && task->thread.gsindex == 0 &&
task->thread.gs != 0) ||
(value == 0 && task->thread.gsindex == GS_TLS_SEL &&
task->thread.gs == 0))
break;
task->thread.gsindex = value;
if (task == current)
load_gs_index(task->thread.gsindex);
break;
case offsetof(struct user_regs_struct,ds):
task->thread.ds = value;
if (task == current)
loadsegment(ds, task->thread.ds);
break;
case offsetof(struct user_regs_struct,es):
task->thread.es = value;
if (task == current)
loadsegment(es, task->thread.es);
break;
/*
* Can't actually change these in 64-bit mode.
*/
case offsetof(struct user_regs_struct,cs):
if (unlikely(value == 0))
return -EIO;
#ifdef CONFIG_IA32_EMULATION
if (test_tsk_thread_flag(task, TIF_IA32))
task_pt_regs(task)->cs = value;
#endif
break;
case offsetof(struct user_regs_struct,ss):
if (unlikely(value == 0))
return -EIO;
#ifdef CONFIG_IA32_EMULATION
if (test_tsk_thread_flag(task, TIF_IA32))
task_pt_regs(task)->ss = value;
#endif
break;
}
return 0;
}
| DoS Overflow | 0 | static int set_segment_reg(struct task_struct *task,
unsigned long offset, u16 value)
{
/*
* The value argument was already truncated to 16 bits.
*/
if (invalid_selector(value))
return -EIO;
switch (offset) {
case offsetof(struct user_regs_struct,fs):
/*
* If this is setting fs as for normal 64-bit use but
* setting fs_base has implicitly changed it, leave it.
*/
if ((value == FS_TLS_SEL && task->thread.fsindex == 0 &&
task->thread.fs != 0) ||
(value == 0 && task->thread.fsindex == FS_TLS_SEL &&
task->thread.fs == 0))
break;
task->thread.fsindex = value;
if (task == current)
loadsegment(fs, task->thread.fsindex);
break;
case offsetof(struct user_regs_struct,gs):
/*
* If this is setting gs as for normal 64-bit use but
* setting gs_base has implicitly changed it, leave it.
*/
if ((value == GS_TLS_SEL && task->thread.gsindex == 0 &&
task->thread.gs != 0) ||
(value == 0 && task->thread.gsindex == GS_TLS_SEL &&
task->thread.gs == 0))
break;
task->thread.gsindex = value;
if (task == current)
load_gs_index(task->thread.gsindex);
break;
case offsetof(struct user_regs_struct,ds):
task->thread.ds = value;
if (task == current)
loadsegment(ds, task->thread.ds);
break;
case offsetof(struct user_regs_struct,es):
task->thread.es = value;
if (task == current)
loadsegment(es, task->thread.es);
break;
/*
* Can't actually change these in 64-bit mode.
*/
case offsetof(struct user_regs_struct,cs):
if (unlikely(value == 0))
return -EIO;
#ifdef CONFIG_IA32_EMULATION
if (test_tsk_thread_flag(task, TIF_IA32))
task_pt_regs(task)->cs = value;
#endif
break;
case offsetof(struct user_regs_struct,ss):
if (unlikely(value == 0))
return -EIO;
#ifdef CONFIG_IA32_EMULATION
if (test_tsk_thread_flag(task, TIF_IA32))
task_pt_regs(task)->ss = value;
#endif
break;
}
return 0;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,742 | long syscall_trace_enter(struct pt_regs *regs)
{
long ret = 0;
/*
* If we stepped into a sysenter/syscall insn, it trapped in
* kernel mode; do_debug() cleared TF and set TIF_SINGLESTEP.
* If user-mode had set TF itself, then it's still clear from
* do_debug() and we need to set it again to restore the user
* state. If we entered on the slow path, TF was already set.
*/
if (test_thread_flag(TIF_SINGLESTEP))
regs->flags |= X86_EFLAGS_TF;
/* do the secure computing check first */
secure_computing(regs->orig_ax);
if (unlikely(test_thread_flag(TIF_SYSCALL_EMU)))
ret = -1L;
if ((ret || test_thread_flag(TIF_SYSCALL_TRACE)) &&
tracehook_report_syscall_entry(regs))
ret = -1L;
if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
trace_sys_enter(regs, regs->orig_ax);
if (unlikely(current->audit_context)) {
if (IS_IA32)
audit_syscall_entry(AUDIT_ARCH_I386,
regs->orig_ax,
regs->bx, regs->cx,
regs->dx, regs->si);
#ifdef CONFIG_X86_64
else
audit_syscall_entry(AUDIT_ARCH_X86_64,
regs->orig_ax,
regs->di, regs->si,
regs->dx, regs->r10);
#endif
}
return ret ?: regs->orig_ax;
}
| DoS Overflow | 0 | long syscall_trace_enter(struct pt_regs *regs)
{
long ret = 0;
/*
* If we stepped into a sysenter/syscall insn, it trapped in
* kernel mode; do_debug() cleared TF and set TIF_SINGLESTEP.
* If user-mode had set TF itself, then it's still clear from
* do_debug() and we need to set it again to restore the user
* state. If we entered on the slow path, TF was already set.
*/
if (test_thread_flag(TIF_SINGLESTEP))
regs->flags |= X86_EFLAGS_TF;
/* do the secure computing check first */
secure_computing(regs->orig_ax);
if (unlikely(test_thread_flag(TIF_SYSCALL_EMU)))
ret = -1L;
if ((ret || test_thread_flag(TIF_SYSCALL_TRACE)) &&
tracehook_report_syscall_entry(regs))
ret = -1L;
if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
trace_sys_enter(regs, regs->orig_ax);
if (unlikely(current->audit_context)) {
if (IS_IA32)
audit_syscall_entry(AUDIT_ARCH_I386,
regs->orig_ax,
regs->bx, regs->cx,
regs->dx, regs->si);
#ifdef CONFIG_X86_64
else
audit_syscall_entry(AUDIT_ARCH_X86_64,
regs->orig_ax,
regs->di, regs->si,
regs->dx, regs->r10);
#endif
}
return ret ?: regs->orig_ax;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,743 | void syscall_trace_leave(struct pt_regs *regs)
{
bool step;
if (unlikely(current->audit_context))
audit_syscall_exit(AUDITSC_RESULT(regs->ax), regs->ax);
if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
trace_sys_exit(regs, regs->ax);
/*
* If TIF_SYSCALL_EMU is set, we only get here because of
* TIF_SINGLESTEP (i.e. this is PTRACE_SYSEMU_SINGLESTEP).
* We already reported this syscall instruction in
* syscall_trace_enter().
*/
step = unlikely(test_thread_flag(TIF_SINGLESTEP)) &&
!test_thread_flag(TIF_SYSCALL_EMU);
if (step || test_thread_flag(TIF_SYSCALL_TRACE))
tracehook_report_syscall_exit(regs, step);
}
| DoS Overflow | 0 | void syscall_trace_leave(struct pt_regs *regs)
{
bool step;
if (unlikely(current->audit_context))
audit_syscall_exit(AUDITSC_RESULT(regs->ax), regs->ax);
if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
trace_sys_exit(regs, regs->ax);
/*
* If TIF_SYSCALL_EMU is set, we only get here because of
* TIF_SINGLESTEP (i.e. this is PTRACE_SYSEMU_SINGLESTEP).
* We already reported this syscall instruction in
* syscall_trace_enter().
*/
step = unlikely(test_thread_flag(TIF_SINGLESTEP)) &&
!test_thread_flag(TIF_SYSCALL_EMU);
if (step || test_thread_flag(TIF_SYSCALL_TRACE))
tracehook_report_syscall_exit(regs, step);
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,744 | void update_regset_xstate_info(unsigned int size, u64 xstate_mask)
{
#ifdef CONFIG_X86_64
x86_64_regsets[REGSET_XSTATE].n = size / sizeof(u64);
#endif
#if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION
x86_32_regsets[REGSET_XSTATE].n = size / sizeof(u64);
#endif
xstate_fx_sw_bytes[USER_XSTATE_XCR0_WORD] = xstate_mask;
}
| DoS Overflow | 0 | void update_regset_xstate_info(unsigned int size, u64 xstate_mask)
{
#ifdef CONFIG_X86_64
x86_64_regsets[REGSET_XSTATE].n = size / sizeof(u64);
#endif
#if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION
x86_32_regsets[REGSET_XSTATE].n = size / sizeof(u64);
#endif
xstate_fx_sw_bytes[USER_XSTATE_XCR0_WORD] = xstate_mask;
}
| @@ -528,7 +528,7 @@ static int genregs_set(struct task_struct *target,
return ret;
}
-static void ptrace_triggered(struct perf_event *bp, int nmi,
+static void ptrace_triggered(struct perf_event *bp,
struct perf_sample_data *data,
struct pt_regs *regs)
{ | CWE-399 | null | null |
20,745 | access_error(unsigned long error_code, struct vm_area_struct *vma)
{
if (error_code & PF_WRITE) {
/* write, present and write, not present: */
if (unlikely(!(vma->vm_flags & VM_WRITE)))
return 1;
return 0;
}
/* read, present: */
if (unlikely(error_code & PF_PROT))
return 1;
/* read, not present: */
if (unlikely(!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE))))
return 1;
return 0;
}
| DoS Overflow | 0 | access_error(unsigned long error_code, struct vm_area_struct *vma)
{
if (error_code & PF_WRITE) {
/* write, present and write, not present: */
if (unlikely(!(vma->vm_flags & VM_WRITE)))
return 1;
return 0;
}
/* read, present: */
if (unlikely(error_code & PF_PROT))
return 1;
/* read, not present: */
if (unlikely(!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE))))
return 1;
return 0;
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,746 | static int bad_address(void *p)
{
unsigned long dummy;
return probe_kernel_address((unsigned long *)p, dummy);
}
| DoS Overflow | 0 | static int bad_address(void *p)
{
unsigned long dummy;
return probe_kernel_address((unsigned long *)p, dummy);
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,747 | bad_area(struct pt_regs *regs, unsigned long error_code, unsigned long address)
{
__bad_area(regs, error_code, address, SEGV_MAPERR);
}
| DoS Overflow | 0 | bad_area(struct pt_regs *regs, unsigned long error_code, unsigned long address)
{
__bad_area(regs, error_code, address, SEGV_MAPERR);
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,748 | bad_area_access_error(struct pt_regs *regs, unsigned long error_code,
unsigned long address)
{
__bad_area(regs, error_code, address, SEGV_ACCERR);
}
| DoS Overflow | 0 | bad_area_access_error(struct pt_regs *regs, unsigned long error_code,
unsigned long address)
{
__bad_area(regs, error_code, address, SEGV_ACCERR);
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,749 | bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,
unsigned long address)
{
__bad_area_nosemaphore(regs, error_code, address, SEGV_MAPERR);
}
| DoS Overflow | 0 | bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code,
unsigned long address)
{
__bad_area_nosemaphore(regs, error_code, address, SEGV_MAPERR);
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,750 | check_prefetch_opcode(struct pt_regs *regs, unsigned char *instr,
unsigned char opcode, int *prefetch)
{
unsigned char instr_hi = opcode & 0xf0;
unsigned char instr_lo = opcode & 0x0f;
switch (instr_hi) {
case 0x20:
case 0x30:
/*
* Values 0x26,0x2E,0x36,0x3E are valid x86 prefixes.
* In X86_64 long mode, the CPU will signal invalid
* opcode if some of these prefixes are present so
* X86_64 will never get here anyway
*/
return ((instr_lo & 7) == 0x6);
#ifdef CONFIG_X86_64
case 0x40:
/*
* In AMD64 long mode 0x40..0x4F are valid REX prefixes
* Need to figure out under what instruction mode the
* instruction was issued. Could check the LDT for lm,
* but for now it's good enough to assume that long
* mode only uses well known segments or kernel.
*/
return (!user_mode(regs)) || (regs->cs == __USER_CS);
#endif
case 0x60:
/* 0x64 thru 0x67 are valid prefixes in all modes. */
return (instr_lo & 0xC) == 0x4;
case 0xF0:
/* 0xF0, 0xF2, 0xF3 are valid prefixes in all modes. */
return !instr_lo || (instr_lo>>1) == 1;
case 0x00:
/* Prefetch instruction is 0x0F0D or 0x0F18 */
if (probe_kernel_address(instr, opcode))
return 0;
*prefetch = (instr_lo == 0xF) &&
(opcode == 0x0D || opcode == 0x18);
return 0;
default:
return 0;
}
}
| DoS Overflow | 0 | check_prefetch_opcode(struct pt_regs *regs, unsigned char *instr,
unsigned char opcode, int *prefetch)
{
unsigned char instr_hi = opcode & 0xf0;
unsigned char instr_lo = opcode & 0x0f;
switch (instr_hi) {
case 0x20:
case 0x30:
/*
* Values 0x26,0x2E,0x36,0x3E are valid x86 prefixes.
* In X86_64 long mode, the CPU will signal invalid
* opcode if some of these prefixes are present so
* X86_64 will never get here anyway
*/
return ((instr_lo & 7) == 0x6);
#ifdef CONFIG_X86_64
case 0x40:
/*
* In AMD64 long mode 0x40..0x4F are valid REX prefixes
* Need to figure out under what instruction mode the
* instruction was issued. Could check the LDT for lm,
* but for now it's good enough to assume that long
* mode only uses well known segments or kernel.
*/
return (!user_mode(regs)) || (regs->cs == __USER_CS);
#endif
case 0x60:
/* 0x64 thru 0x67 are valid prefixes in all modes. */
return (instr_lo & 0xC) == 0x4;
case 0xF0:
/* 0xF0, 0xF2, 0xF3 are valid prefixes in all modes. */
return !instr_lo || (instr_lo>>1) == 1;
case 0x00:
/* Prefetch instruction is 0x0F0D or 0x0F18 */
if (probe_kernel_address(instr, opcode))
return 0;
*prefetch = (instr_lo == 0xF) &&
(opcode == 0x0D || opcode == 0x18);
return 0;
default:
return 0;
}
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,751 | check_v8086_mode(struct pt_regs *regs, unsigned long address,
struct task_struct *tsk)
{
unsigned long bit;
if (!v8086_mode(regs))
return;
bit = (address - 0xA0000) >> PAGE_SHIFT;
if (bit < 32)
tsk->thread.screen_bitmap |= 1 << bit;
}
| DoS Overflow | 0 | check_v8086_mode(struct pt_regs *regs, unsigned long address,
struct task_struct *tsk)
{
unsigned long bit;
if (!v8086_mode(regs))
return;
bit = (address - 0xA0000) >> PAGE_SHIFT;
if (bit < 32)
tsk->thread.screen_bitmap |= 1 << bit;
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,752 | do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address,
unsigned int fault)
{
struct task_struct *tsk = current;
struct mm_struct *mm = tsk->mm;
int code = BUS_ADRERR;
up_read(&mm->mmap_sem);
/* Kernel mode? Handle exceptions or die: */
if (!(error_code & PF_USER)) {
no_context(regs, error_code, address);
return;
}
/* User-space => ok to do another page fault: */
if (is_prefetch(regs, error_code, address))
return;
tsk->thread.cr2 = address;
tsk->thread.error_code = error_code;
tsk->thread.trap_no = 14;
#ifdef CONFIG_MEMORY_FAILURE
if (fault & (VM_FAULT_HWPOISON|VM_FAULT_HWPOISON_LARGE)) {
printk(KERN_ERR
"MCE: Killing %s:%d due to hardware memory corruption fault at %lx\n",
tsk->comm, tsk->pid, address);
code = BUS_MCEERR_AR;
}
#endif
force_sig_info_fault(SIGBUS, code, address, tsk, fault);
}
| DoS Overflow | 0 | do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address,
unsigned int fault)
{
struct task_struct *tsk = current;
struct mm_struct *mm = tsk->mm;
int code = BUS_ADRERR;
up_read(&mm->mmap_sem);
/* Kernel mode? Handle exceptions or die: */
if (!(error_code & PF_USER)) {
no_context(regs, error_code, address);
return;
}
/* User-space => ok to do another page fault: */
if (is_prefetch(regs, error_code, address))
return;
tsk->thread.cr2 = address;
tsk->thread.error_code = error_code;
tsk->thread.trap_no = 14;
#ifdef CONFIG_MEMORY_FAILURE
if (fault & (VM_FAULT_HWPOISON|VM_FAULT_HWPOISON_LARGE)) {
printk(KERN_ERR
"MCE: Killing %s:%d due to hardware memory corruption fault at %lx\n",
tsk->comm, tsk->pid, address);
code = BUS_MCEERR_AR;
}
#endif
force_sig_info_fault(SIGBUS, code, address, tsk, fault);
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,753 | static void dump_pagetable(unsigned long address)
{
pgd_t *base = __va(read_cr3());
pgd_t *pgd = &base[pgd_index(address)];
pmd_t *pmd;
pte_t *pte;
#ifdef CONFIG_X86_PAE
printk("*pdpt = %016Lx ", pgd_val(*pgd));
if (!low_pfn(pgd_val(*pgd) >> PAGE_SHIFT) || !pgd_present(*pgd))
goto out;
#endif
pmd = pmd_offset(pud_offset(pgd, address), address);
printk(KERN_CONT "*pde = %0*Lx ", sizeof(*pmd) * 2, (u64)pmd_val(*pmd));
/*
* We must not directly access the pte in the highpte
* case if the page table is located in highmem.
* And let's rather not kmap-atomic the pte, just in case
* it's allocated already:
*/
if (!low_pfn(pmd_pfn(*pmd)) || !pmd_present(*pmd) || pmd_large(*pmd))
goto out;
pte = pte_offset_kernel(pmd, address);
printk("*pte = %0*Lx ", sizeof(*pte) * 2, (u64)pte_val(*pte));
out:
printk("\n");
}
| DoS Overflow | 0 | static void dump_pagetable(unsigned long address)
{
pgd_t *base = __va(read_cr3());
pgd_t *pgd = &base[pgd_index(address)];
pmd_t *pmd;
pte_t *pte;
#ifdef CONFIG_X86_PAE
printk("*pdpt = %016Lx ", pgd_val(*pgd));
if (!low_pfn(pgd_val(*pgd) >> PAGE_SHIFT) || !pgd_present(*pgd))
goto out;
#endif
pmd = pmd_offset(pud_offset(pgd, address), address);
printk(KERN_CONT "*pde = %0*Lx ", sizeof(*pmd) * 2, (u64)pmd_val(*pmd));
/*
* We must not directly access the pte in the highpte
* case if the page table is located in highmem.
* And let's rather not kmap-atomic the pte, just in case
* it's allocated already:
*/
if (!low_pfn(pmd_pfn(*pmd)) || !pmd_present(*pmd) || pmd_large(*pmd))
goto out;
pte = pte_offset_kernel(pmd, address);
printk("*pte = %0*Lx ", sizeof(*pte) * 2, (u64)pte_val(*pte));
out:
printk("\n");
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,754 | static int fault_in_kernel_space(unsigned long address)
{
return address >= TASK_SIZE_MAX;
}
| DoS Overflow | 0 | static int fault_in_kernel_space(unsigned long address)
{
return address >= TASK_SIZE_MAX;
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,755 | force_sig_info_fault(int si_signo, int si_code, unsigned long address,
struct task_struct *tsk, int fault)
{
unsigned lsb = 0;
siginfo_t info;
info.si_signo = si_signo;
info.si_errno = 0;
info.si_code = si_code;
info.si_addr = (void __user *)address;
if (fault & VM_FAULT_HWPOISON_LARGE)
lsb = hstate_index_to_shift(VM_FAULT_GET_HINDEX(fault));
if (fault & VM_FAULT_HWPOISON)
lsb = PAGE_SHIFT;
info.si_addr_lsb = lsb;
force_sig_info(si_signo, &info, tsk);
}
| DoS Overflow | 0 | force_sig_info_fault(int si_signo, int si_code, unsigned long address,
struct task_struct *tsk, int fault)
{
unsigned lsb = 0;
siginfo_t info;
info.si_signo = si_signo;
info.si_errno = 0;
info.si_code = si_code;
info.si_addr = (void __user *)address;
if (fault & VM_FAULT_HWPOISON_LARGE)
lsb = hstate_index_to_shift(VM_FAULT_GET_HINDEX(fault));
if (fault & VM_FAULT_HWPOISON)
lsb = PAGE_SHIFT;
info.si_addr_lsb = lsb;
force_sig_info(si_signo, &info, tsk);
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,756 | static int is_errata100(struct pt_regs *regs, unsigned long address)
{
#ifdef CONFIG_X86_64
if ((regs->cs == __USER32_CS || (regs->cs & (1<<2))) && (address >> 32))
return 1;
#endif
return 0;
}
| DoS Overflow | 0 | static int is_errata100(struct pt_regs *regs, unsigned long address)
{
#ifdef CONFIG_X86_64
if ((regs->cs == __USER32_CS || (regs->cs & (1<<2))) && (address >> 32))
return 1;
#endif
return 0;
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,757 | is_prefetch(struct pt_regs *regs, unsigned long error_code, unsigned long addr)
{
unsigned char *max_instr;
unsigned char *instr;
int prefetch = 0;
/*
* If it was a exec (instruction fetch) fault on NX page, then
* do not ignore the fault:
*/
if (error_code & PF_INSTR)
return 0;
instr = (void *)convert_ip_to_linear(current, regs);
max_instr = instr + 15;
if (user_mode(regs) && instr >= (unsigned char *)TASK_SIZE)
return 0;
while (instr < max_instr) {
unsigned char opcode;
if (probe_kernel_address(instr, opcode))
break;
instr++;
if (!check_prefetch_opcode(regs, instr, opcode, &prefetch))
break;
}
return prefetch;
}
| DoS Overflow | 0 | is_prefetch(struct pt_regs *regs, unsigned long error_code, unsigned long addr)
{
unsigned char *max_instr;
unsigned char *instr;
int prefetch = 0;
/*
* If it was a exec (instruction fetch) fault on NX page, then
* do not ignore the fault:
*/
if (error_code & PF_INSTR)
return 0;
instr = (void *)convert_ip_to_linear(current, regs);
max_instr = instr + 15;
if (user_mode(regs) && instr >= (unsigned char *)TASK_SIZE)
return 0;
while (instr < max_instr) {
unsigned char opcode;
if (probe_kernel_address(instr, opcode))
break;
instr++;
if (!check_prefetch_opcode(regs, instr, opcode, &prefetch))
break;
}
return prefetch;
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,758 | static bool low_pfn(unsigned long pfn)
{
return pfn < max_low_pfn;
}
| DoS Overflow | 0 | static bool low_pfn(unsigned long pfn)
{
return pfn < max_low_pfn;
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,759 | mm_fault_error(struct pt_regs *regs, unsigned long error_code,
unsigned long address, unsigned int fault)
{
/*
* Pagefault was interrupted by SIGKILL. We have no reason to
* continue pagefault.
*/
if (fatal_signal_pending(current)) {
if (!(fault & VM_FAULT_RETRY))
up_read(¤t->mm->mmap_sem);
if (!(error_code & PF_USER))
no_context(regs, error_code, address);
return 1;
}
if (!(fault & VM_FAULT_ERROR))
return 0;
if (fault & VM_FAULT_OOM) {
/* Kernel mode? Handle exceptions or die: */
if (!(error_code & PF_USER)) {
up_read(¤t->mm->mmap_sem);
no_context(regs, error_code, address);
return 1;
}
out_of_memory(regs, error_code, address);
} else {
if (fault & (VM_FAULT_SIGBUS|VM_FAULT_HWPOISON|
VM_FAULT_HWPOISON_LARGE))
do_sigbus(regs, error_code, address, fault);
else
BUG();
}
return 1;
}
| DoS Overflow | 0 | mm_fault_error(struct pt_regs *regs, unsigned long error_code,
unsigned long address, unsigned int fault)
{
/*
* Pagefault was interrupted by SIGKILL. We have no reason to
* continue pagefault.
*/
if (fatal_signal_pending(current)) {
if (!(fault & VM_FAULT_RETRY))
up_read(¤t->mm->mmap_sem);
if (!(error_code & PF_USER))
no_context(regs, error_code, address);
return 1;
}
if (!(fault & VM_FAULT_ERROR))
return 0;
if (fault & VM_FAULT_OOM) {
/* Kernel mode? Handle exceptions or die: */
if (!(error_code & PF_USER)) {
up_read(¤t->mm->mmap_sem);
no_context(regs, error_code, address);
return 1;
}
out_of_memory(regs, error_code, address);
} else {
if (fault & (VM_FAULT_SIGBUS|VM_FAULT_HWPOISON|
VM_FAULT_HWPOISON_LARGE))
do_sigbus(regs, error_code, address, fault);
else
BUG();
}
return 1;
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,760 | no_context(struct pt_regs *regs, unsigned long error_code,
unsigned long address)
{
struct task_struct *tsk = current;
unsigned long *stackend;
unsigned long flags;
int sig;
/* Are we prepared to handle this kernel fault? */
if (fixup_exception(regs))
return;
/*
* 32-bit:
*
* Valid to do another page fault here, because if this fault
* had been triggered by is_prefetch fixup_exception would have
* handled it.
*
* 64-bit:
*
* Hall of shame of CPU/BIOS bugs.
*/
if (is_prefetch(regs, error_code, address))
return;
if (is_errata93(regs, address))
return;
/*
* Oops. The kernel tried to access some bad page. We'll have to
* terminate things with extreme prejudice:
*/
flags = oops_begin();
show_fault_oops(regs, error_code, address);
stackend = end_of_stack(tsk);
if (tsk != &init_task && *stackend != STACK_END_MAGIC)
printk(KERN_ALERT "Thread overran stack, or stack corrupted\n");
tsk->thread.cr2 = address;
tsk->thread.trap_no = 14;
tsk->thread.error_code = error_code;
sig = SIGKILL;
if (__die("Oops", regs, error_code))
sig = 0;
/* Executive summary in case the body of the oops scrolled away */
printk(KERN_EMERG "CR2: %016lx\n", address);
oops_end(flags, regs, sig);
}
| DoS Overflow | 0 | no_context(struct pt_regs *regs, unsigned long error_code,
unsigned long address)
{
struct task_struct *tsk = current;
unsigned long *stackend;
unsigned long flags;
int sig;
/* Are we prepared to handle this kernel fault? */
if (fixup_exception(regs))
return;
/*
* 32-bit:
*
* Valid to do another page fault here, because if this fault
* had been triggered by is_prefetch fixup_exception would have
* handled it.
*
* 64-bit:
*
* Hall of shame of CPU/BIOS bugs.
*/
if (is_prefetch(regs, error_code, address))
return;
if (is_errata93(regs, address))
return;
/*
* Oops. The kernel tried to access some bad page. We'll have to
* terminate things with extreme prejudice:
*/
flags = oops_begin();
show_fault_oops(regs, error_code, address);
stackend = end_of_stack(tsk);
if (tsk != &init_task && *stackend != STACK_END_MAGIC)
printk(KERN_ALERT "Thread overran stack, or stack corrupted\n");
tsk->thread.cr2 = address;
tsk->thread.trap_no = 14;
tsk->thread.error_code = error_code;
sig = SIGKILL;
if (__die("Oops", regs, error_code))
sig = 0;
/* Executive summary in case the body of the oops scrolled away */
printk(KERN_EMERG "CR2: %016lx\n", address);
oops_end(flags, regs, sig);
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,761 | out_of_memory(struct pt_regs *regs, unsigned long error_code,
unsigned long address)
{
/*
* We ran out of memory, call the OOM killer, and return the userspace
* (which will retry the fault, or kill us if we got oom-killed):
*/
up_read(¤t->mm->mmap_sem);
pagefault_out_of_memory();
}
| DoS Overflow | 0 | out_of_memory(struct pt_regs *regs, unsigned long error_code,
unsigned long address)
{
/*
* We ran out of memory, call the OOM killer, and return the userspace
* (which will retry the fault, or kill us if we got oom-killed):
*/
up_read(¤t->mm->mmap_sem);
pagefault_out_of_memory();
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,762 | pgtable_bad(struct pt_regs *regs, unsigned long error_code,
unsigned long address)
{
struct task_struct *tsk;
unsigned long flags;
int sig;
flags = oops_begin();
tsk = current;
sig = SIGKILL;
printk(KERN_ALERT "%s: Corrupted page table at address %lx\n",
tsk->comm, address);
dump_pagetable(address);
tsk->thread.cr2 = address;
tsk->thread.trap_no = 14;
tsk->thread.error_code = error_code;
if (__die("Bad pagetable", regs, error_code))
sig = 0;
oops_end(flags, regs, sig);
}
| DoS Overflow | 0 | pgtable_bad(struct pt_regs *regs, unsigned long error_code,
unsigned long address)
{
struct task_struct *tsk;
unsigned long flags;
int sig;
flags = oops_begin();
tsk = current;
sig = SIGKILL;
printk(KERN_ALERT "%s: Corrupted page table at address %lx\n",
tsk->comm, address);
dump_pagetable(address);
tsk->thread.cr2 = address;
tsk->thread.trap_no = 14;
tsk->thread.error_code = error_code;
if (__die("Bad pagetable", regs, error_code))
sig = 0;
oops_end(flags, regs, sig);
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,763 | show_fault_oops(struct pt_regs *regs, unsigned long error_code,
unsigned long address)
{
if (!oops_may_print())
return;
if (error_code & PF_INSTR) {
unsigned int level;
pte_t *pte = lookup_address(address, &level);
if (pte && pte_present(*pte) && !pte_exec(*pte))
printk(nx_warning, current_uid());
}
printk(KERN_ALERT "BUG: unable to handle kernel ");
if (address < PAGE_SIZE)
printk(KERN_CONT "NULL pointer dereference");
else
printk(KERN_CONT "paging request");
printk(KERN_CONT " at %p\n", (void *) address);
printk(KERN_ALERT "IP:");
printk_address(regs->ip, 1);
dump_pagetable(address);
}
| DoS Overflow | 0 | show_fault_oops(struct pt_regs *regs, unsigned long error_code,
unsigned long address)
{
if (!oops_may_print())
return;
if (error_code & PF_INSTR) {
unsigned int level;
pte_t *pte = lookup_address(address, &level);
if (pte && pte_present(*pte) && !pte_exec(*pte))
printk(nx_warning, current_uid());
}
printk(KERN_ALERT "BUG: unable to handle kernel ");
if (address < PAGE_SIZE)
printk(KERN_CONT "NULL pointer dereference");
else
printk(KERN_CONT "paging request");
printk(KERN_CONT " at %p\n", (void *) address);
printk(KERN_ALERT "IP:");
printk_address(regs->ip, 1);
dump_pagetable(address);
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,764 | show_signal_msg(struct pt_regs *regs, unsigned long error_code,
unsigned long address, struct task_struct *tsk)
{
if (!unhandled_signal(tsk, SIGSEGV))
return;
if (!printk_ratelimit())
return;
printk("%s%s[%d]: segfault at %lx ip %p sp %p error %lx",
task_pid_nr(tsk) > 1 ? KERN_INFO : KERN_EMERG,
tsk->comm, task_pid_nr(tsk), address,
(void *)regs->ip, (void *)regs->sp, error_code);
print_vma_addr(KERN_CONT " in ", regs->ip);
printk(KERN_CONT "\n");
}
| DoS Overflow | 0 | show_signal_msg(struct pt_regs *regs, unsigned long error_code,
unsigned long address, struct task_struct *tsk)
{
if (!unhandled_signal(tsk, SIGSEGV))
return;
if (!printk_ratelimit())
return;
printk("%s%s[%d]: segfault at %lx ip %p sp %p error %lx",
task_pid_nr(tsk) > 1 ? KERN_INFO : KERN_EMERG,
tsk->comm, task_pid_nr(tsk), address,
(void *)regs->ip, (void *)regs->sp, error_code);
print_vma_addr(KERN_CONT " in ", regs->ip);
printk(KERN_CONT "\n");
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,765 | spurious_fault(unsigned long error_code, unsigned long address)
{
pgd_t *pgd;
pud_t *pud;
pmd_t *pmd;
pte_t *pte;
int ret;
/* Reserved-bit violation or user access to kernel space? */
if (error_code & (PF_USER | PF_RSVD))
return 0;
pgd = init_mm.pgd + pgd_index(address);
if (!pgd_present(*pgd))
return 0;
pud = pud_offset(pgd, address);
if (!pud_present(*pud))
return 0;
if (pud_large(*pud))
return spurious_fault_check(error_code, (pte_t *) pud);
pmd = pmd_offset(pud, address);
if (!pmd_present(*pmd))
return 0;
if (pmd_large(*pmd))
return spurious_fault_check(error_code, (pte_t *) pmd);
/*
* Note: don't use pte_present() here, since it returns true
* if the _PAGE_PROTNONE bit is set. However, this aliases the
* _PAGE_GLOBAL bit, which for kernel pages give false positives
* when CONFIG_DEBUG_PAGEALLOC is used.
*/
pte = pte_offset_kernel(pmd, address);
if (!(pte_flags(*pte) & _PAGE_PRESENT))
return 0;
ret = spurious_fault_check(error_code, pte);
if (!ret)
return 0;
/*
* Make sure we have permissions in PMD.
* If not, then there's a bug in the page tables:
*/
ret = spurious_fault_check(error_code, (pte_t *) pmd);
WARN_ONCE(!ret, "PMD has incorrect permission bits\n");
return ret;
}
| DoS Overflow | 0 | spurious_fault(unsigned long error_code, unsigned long address)
{
pgd_t *pgd;
pud_t *pud;
pmd_t *pmd;
pte_t *pte;
int ret;
/* Reserved-bit violation or user access to kernel space? */
if (error_code & (PF_USER | PF_RSVD))
return 0;
pgd = init_mm.pgd + pgd_index(address);
if (!pgd_present(*pgd))
return 0;
pud = pud_offset(pgd, address);
if (!pud_present(*pud))
return 0;
if (pud_large(*pud))
return spurious_fault_check(error_code, (pte_t *) pud);
pmd = pmd_offset(pud, address);
if (!pmd_present(*pmd))
return 0;
if (pmd_large(*pmd))
return spurious_fault_check(error_code, (pte_t *) pmd);
/*
* Note: don't use pte_present() here, since it returns true
* if the _PAGE_PROTNONE bit is set. However, this aliases the
* _PAGE_GLOBAL bit, which for kernel pages give false positives
* when CONFIG_DEBUG_PAGEALLOC is used.
*/
pte = pte_offset_kernel(pmd, address);
if (!(pte_flags(*pte) & _PAGE_PRESENT))
return 0;
ret = spurious_fault_check(error_code, pte);
if (!ret)
return 0;
/*
* Make sure we have permissions in PMD.
* If not, then there's a bug in the page tables:
*/
ret = spurious_fault_check(error_code, (pte_t *) pmd);
WARN_ONCE(!ret, "PMD has incorrect permission bits\n");
return ret;
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,766 | static int spurious_fault_check(unsigned long error_code, pte_t *pte)
{
if ((error_code & PF_WRITE) && !pte_write(*pte))
return 0;
if ((error_code & PF_INSTR) && !pte_exec(*pte))
return 0;
return 1;
}
| DoS Overflow | 0 | static int spurious_fault_check(unsigned long error_code, pte_t *pte)
{
if ((error_code & PF_WRITE) && !pte_write(*pte))
return 0;
if ((error_code & PF_INSTR) && !pte_exec(*pte))
return 0;
return 1;
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,767 | static noinline __kprobes int vmalloc_fault(unsigned long address)
{
unsigned long pgd_paddr;
pmd_t *pmd_k;
pte_t *pte_k;
/* Make sure we are in vmalloc area: */
if (!(address >= VMALLOC_START && address < VMALLOC_END))
return -1;
WARN_ON_ONCE(in_nmi());
/*
* Synchronize this task's top level page-table
* with the 'reference' page table.
*
* Do _not_ use "current" here. We might be inside
* an interrupt in the middle of a task switch..
*/
pgd_paddr = read_cr3();
pmd_k = vmalloc_sync_one(__va(pgd_paddr), address);
if (!pmd_k)
return -1;
pte_k = pte_offset_kernel(pmd_k, address);
if (!pte_present(*pte_k))
return -1;
return 0;
}
| DoS Overflow | 0 | static noinline __kprobes int vmalloc_fault(unsigned long address)
{
unsigned long pgd_paddr;
pmd_t *pmd_k;
pte_t *pte_k;
/* Make sure we are in vmalloc area: */
if (!(address >= VMALLOC_START && address < VMALLOC_END))
return -1;
WARN_ON_ONCE(in_nmi());
/*
* Synchronize this task's top level page-table
* with the 'reference' page table.
*
* Do _not_ use "current" here. We might be inside
* an interrupt in the middle of a task switch..
*/
pgd_paddr = read_cr3();
pmd_k = vmalloc_sync_one(__va(pgd_paddr), address);
if (!pmd_k)
return -1;
pte_k = pte_offset_kernel(pmd_k, address);
if (!pte_present(*pte_k))
return -1;
return 0;
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,768 | static noinline __kprobes int vmalloc_fault(unsigned long address)
{
pgd_t *pgd, *pgd_ref;
pud_t *pud, *pud_ref;
pmd_t *pmd, *pmd_ref;
pte_t *pte, *pte_ref;
/* Make sure we are in vmalloc area: */
if (!(address >= VMALLOC_START && address < VMALLOC_END))
return -1;
WARN_ON_ONCE(in_nmi());
/*
* Copy kernel mappings over when needed. This can also
* happen within a race in page table update. In the later
* case just flush:
*/
pgd = pgd_offset(current->active_mm, address);
pgd_ref = pgd_offset_k(address);
if (pgd_none(*pgd_ref))
return -1;
if (pgd_none(*pgd))
set_pgd(pgd, *pgd_ref);
else
BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_ref));
/*
* Below here mismatches are bugs because these lower tables
* are shared:
*/
pud = pud_offset(pgd, address);
pud_ref = pud_offset(pgd_ref, address);
if (pud_none(*pud_ref))
return -1;
if (pud_none(*pud) || pud_page_vaddr(*pud) != pud_page_vaddr(*pud_ref))
BUG();
pmd = pmd_offset(pud, address);
pmd_ref = pmd_offset(pud_ref, address);
if (pmd_none(*pmd_ref))
return -1;
if (pmd_none(*pmd) || pmd_page(*pmd) != pmd_page(*pmd_ref))
BUG();
pte_ref = pte_offset_kernel(pmd_ref, address);
if (!pte_present(*pte_ref))
return -1;
pte = pte_offset_kernel(pmd, address);
/*
* Don't use pte_page here, because the mappings can point
* outside mem_map, and the NUMA hash lookup cannot handle
* that:
*/
if (!pte_present(*pte) || pte_pfn(*pte) != pte_pfn(*pte_ref))
BUG();
return 0;
}
| DoS Overflow | 0 | static noinline __kprobes int vmalloc_fault(unsigned long address)
{
pgd_t *pgd, *pgd_ref;
pud_t *pud, *pud_ref;
pmd_t *pmd, *pmd_ref;
pte_t *pte, *pte_ref;
/* Make sure we are in vmalloc area: */
if (!(address >= VMALLOC_START && address < VMALLOC_END))
return -1;
WARN_ON_ONCE(in_nmi());
/*
* Copy kernel mappings over when needed. This can also
* happen within a race in page table update. In the later
* case just flush:
*/
pgd = pgd_offset(current->active_mm, address);
pgd_ref = pgd_offset_k(address);
if (pgd_none(*pgd_ref))
return -1;
if (pgd_none(*pgd))
set_pgd(pgd, *pgd_ref);
else
BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_ref));
/*
* Below here mismatches are bugs because these lower tables
* are shared:
*/
pud = pud_offset(pgd, address);
pud_ref = pud_offset(pgd_ref, address);
if (pud_none(*pud_ref))
return -1;
if (pud_none(*pud) || pud_page_vaddr(*pud) != pud_page_vaddr(*pud_ref))
BUG();
pmd = pmd_offset(pud, address);
pmd_ref = pmd_offset(pud_ref, address);
if (pmd_none(*pmd_ref))
return -1;
if (pmd_none(*pmd) || pmd_page(*pmd) != pmd_page(*pmd_ref))
BUG();
pte_ref = pte_offset_kernel(pmd_ref, address);
if (!pte_present(*pte_ref))
return -1;
pte = pte_offset_kernel(pmd, address);
/*
* Don't use pte_page here, because the mappings can point
* outside mem_map, and the NUMA hash lookup cannot handle
* that:
*/
if (!pte_present(*pte) || pte_pfn(*pte) != pte_pfn(*pte_ref))
BUG();
return 0;
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,769 | void vmalloc_sync_all(void)
{
sync_global_pgds(VMALLOC_START & PGDIR_MASK, VMALLOC_END);
}
| DoS Overflow | 0 | void vmalloc_sync_all(void)
{
sync_global_pgds(VMALLOC_START & PGDIR_MASK, VMALLOC_END);
}
| @@ -1059,7 +1059,7 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (unlikely(error_code & PF_RSVD))
pgtable_bad(regs, error_code, address);
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address);
/*
* If we're in an interrupt, have no user context or are running
@@ -1161,11 +1161,11 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (flags & FAULT_FLAG_ALLOW_RETRY) {
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1,
regs, address);
} else {
tsk->min_flt++;
- perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1,
regs, address);
}
if (fault & VM_FAULT_RETRY) { | CWE-399 | null | null |
20,770 | SYSCALL_DEFINE5(perf_event_open,
struct perf_event_attr __user *, attr_uptr,
pid_t, pid, int, cpu, int, group_fd, unsigned long, flags)
{
struct perf_event *group_leader = NULL, *output_event = NULL;
struct perf_event *event, *sibling;
struct perf_event_attr attr;
struct perf_event_context *ctx;
struct file *event_file = NULL;
struct file *group_file = NULL;
struct task_struct *task = NULL;
struct pmu *pmu;
int event_fd;
int move_group = 0;
int fput_needed = 0;
int err;
/* for future expandability... */
if (flags & ~PERF_FLAG_ALL)
return -EINVAL;
err = perf_copy_attr(attr_uptr, &attr);
if (err)
return err;
if (!attr.exclude_kernel) {
if (perf_paranoid_kernel() && !capable(CAP_SYS_ADMIN))
return -EACCES;
}
if (attr.freq) {
if (attr.sample_freq > sysctl_perf_event_sample_rate)
return -EINVAL;
}
/*
* In cgroup mode, the pid argument is used to pass the fd
* opened to the cgroup directory in cgroupfs. The cpu argument
* designates the cpu on which to monitor threads from that
* cgroup.
*/
if ((flags & PERF_FLAG_PID_CGROUP) && (pid == -1 || cpu == -1))
return -EINVAL;
event_fd = get_unused_fd_flags(O_RDWR);
if (event_fd < 0)
return event_fd;
if (group_fd != -1) {
group_leader = perf_fget_light(group_fd, &fput_needed);
if (IS_ERR(group_leader)) {
err = PTR_ERR(group_leader);
goto err_fd;
}
group_file = group_leader->filp;
if (flags & PERF_FLAG_FD_OUTPUT)
output_event = group_leader;
if (flags & PERF_FLAG_FD_NO_GROUP)
group_leader = NULL;
}
if (pid != -1 && !(flags & PERF_FLAG_PID_CGROUP)) {
task = find_lively_task_by_vpid(pid);
if (IS_ERR(task)) {
err = PTR_ERR(task);
goto err_group_fd;
}
}
event = perf_event_alloc(&attr, cpu, task, group_leader, NULL, NULL);
if (IS_ERR(event)) {
err = PTR_ERR(event);
goto err_task;
}
if (flags & PERF_FLAG_PID_CGROUP) {
err = perf_cgroup_connect(pid, event, &attr, group_leader);
if (err)
goto err_alloc;
/*
* one more event:
* - that has cgroup constraint on event->cpu
* - that may need work on context switch
*/
atomic_inc(&per_cpu(perf_cgroup_events, event->cpu));
jump_label_inc(&perf_sched_events);
}
/*
* Special case software events and allow them to be part of
* any hardware group.
*/
pmu = event->pmu;
if (group_leader &&
(is_software_event(event) != is_software_event(group_leader))) {
if (is_software_event(event)) {
/*
* If event and group_leader are not both a software
* event, and event is, then group leader is not.
*
* Allow the addition of software events to !software
* groups, this is safe because software events never
* fail to schedule.
*/
pmu = group_leader->pmu;
} else if (is_software_event(group_leader) &&
(group_leader->group_flags & PERF_GROUP_SOFTWARE)) {
/*
* In case the group is a pure software group, and we
* try to add a hardware event, move the whole group to
* the hardware context.
*/
move_group = 1;
}
}
/*
* Get the target context (task or percpu):
*/
ctx = find_get_context(pmu, task, cpu);
if (IS_ERR(ctx)) {
err = PTR_ERR(ctx);
goto err_alloc;
}
if (task) {
put_task_struct(task);
task = NULL;
}
/*
* Look up the group leader (we will attach this event to it):
*/
if (group_leader) {
err = -EINVAL;
/*
* Do not allow a recursive hierarchy (this new sibling
* becoming part of another group-sibling):
*/
if (group_leader->group_leader != group_leader)
goto err_context;
/*
* Do not allow to attach to a group in a different
* task or CPU context:
*/
if (move_group) {
if (group_leader->ctx->type != ctx->type)
goto err_context;
} else {
if (group_leader->ctx != ctx)
goto err_context;
}
/*
* Only a group leader can be exclusive or pinned
*/
if (attr.exclusive || attr.pinned)
goto err_context;
}
if (output_event) {
err = perf_event_set_output(event, output_event);
if (err)
goto err_context;
}
event_file = anon_inode_getfile("[perf_event]", &perf_fops, event, O_RDWR);
if (IS_ERR(event_file)) {
err = PTR_ERR(event_file);
goto err_context;
}
if (move_group) {
struct perf_event_context *gctx = group_leader->ctx;
mutex_lock(&gctx->mutex);
perf_remove_from_context(group_leader);
list_for_each_entry(sibling, &group_leader->sibling_list,
group_entry) {
perf_remove_from_context(sibling);
put_ctx(gctx);
}
mutex_unlock(&gctx->mutex);
put_ctx(gctx);
}
event->filp = event_file;
WARN_ON_ONCE(ctx->parent_ctx);
mutex_lock(&ctx->mutex);
if (move_group) {
perf_install_in_context(ctx, group_leader, cpu);
get_ctx(ctx);
list_for_each_entry(sibling, &group_leader->sibling_list,
group_entry) {
perf_install_in_context(ctx, sibling, cpu);
get_ctx(ctx);
}
}
perf_install_in_context(ctx, event, cpu);
++ctx->generation;
perf_unpin_context(ctx);
mutex_unlock(&ctx->mutex);
event->owner = current;
mutex_lock(¤t->perf_event_mutex);
list_add_tail(&event->owner_entry, ¤t->perf_event_list);
mutex_unlock(¤t->perf_event_mutex);
/*
* Precalculate sample_data sizes
*/
perf_event__header_size(event);
perf_event__id_header_size(event);
/*
* Drop the reference on the group_event after placing the
* new event on the sibling_list. This ensures destruction
* of the group leader will find the pointer to itself in
* perf_group_detach().
*/
fput_light(group_file, fput_needed);
fd_install(event_fd, event_file);
return event_fd;
err_context:
perf_unpin_context(ctx);
put_ctx(ctx);
err_alloc:
free_event(event);
err_task:
if (task)
put_task_struct(task);
err_group_fd:
fput_light(group_file, fput_needed);
err_fd:
put_unused_fd(event_fd);
return err;
}
| DoS Overflow | 0 | SYSCALL_DEFINE5(perf_event_open,
struct perf_event_attr __user *, attr_uptr,
pid_t, pid, int, cpu, int, group_fd, unsigned long, flags)
{
struct perf_event *group_leader = NULL, *output_event = NULL;
struct perf_event *event, *sibling;
struct perf_event_attr attr;
struct perf_event_context *ctx;
struct file *event_file = NULL;
struct file *group_file = NULL;
struct task_struct *task = NULL;
struct pmu *pmu;
int event_fd;
int move_group = 0;
int fput_needed = 0;
int err;
/* for future expandability... */
if (flags & ~PERF_FLAG_ALL)
return -EINVAL;
err = perf_copy_attr(attr_uptr, &attr);
if (err)
return err;
if (!attr.exclude_kernel) {
if (perf_paranoid_kernel() && !capable(CAP_SYS_ADMIN))
return -EACCES;
}
if (attr.freq) {
if (attr.sample_freq > sysctl_perf_event_sample_rate)
return -EINVAL;
}
/*
* In cgroup mode, the pid argument is used to pass the fd
* opened to the cgroup directory in cgroupfs. The cpu argument
* designates the cpu on which to monitor threads from that
* cgroup.
*/
if ((flags & PERF_FLAG_PID_CGROUP) && (pid == -1 || cpu == -1))
return -EINVAL;
event_fd = get_unused_fd_flags(O_RDWR);
if (event_fd < 0)
return event_fd;
if (group_fd != -1) {
group_leader = perf_fget_light(group_fd, &fput_needed);
if (IS_ERR(group_leader)) {
err = PTR_ERR(group_leader);
goto err_fd;
}
group_file = group_leader->filp;
if (flags & PERF_FLAG_FD_OUTPUT)
output_event = group_leader;
if (flags & PERF_FLAG_FD_NO_GROUP)
group_leader = NULL;
}
if (pid != -1 && !(flags & PERF_FLAG_PID_CGROUP)) {
task = find_lively_task_by_vpid(pid);
if (IS_ERR(task)) {
err = PTR_ERR(task);
goto err_group_fd;
}
}
event = perf_event_alloc(&attr, cpu, task, group_leader, NULL, NULL);
if (IS_ERR(event)) {
err = PTR_ERR(event);
goto err_task;
}
if (flags & PERF_FLAG_PID_CGROUP) {
err = perf_cgroup_connect(pid, event, &attr, group_leader);
if (err)
goto err_alloc;
/*
* one more event:
* - that has cgroup constraint on event->cpu
* - that may need work on context switch
*/
atomic_inc(&per_cpu(perf_cgroup_events, event->cpu));
jump_label_inc(&perf_sched_events);
}
/*
* Special case software events and allow them to be part of
* any hardware group.
*/
pmu = event->pmu;
if (group_leader &&
(is_software_event(event) != is_software_event(group_leader))) {
if (is_software_event(event)) {
/*
* If event and group_leader are not both a software
* event, and event is, then group leader is not.
*
* Allow the addition of software events to !software
* groups, this is safe because software events never
* fail to schedule.
*/
pmu = group_leader->pmu;
} else if (is_software_event(group_leader) &&
(group_leader->group_flags & PERF_GROUP_SOFTWARE)) {
/*
* In case the group is a pure software group, and we
* try to add a hardware event, move the whole group to
* the hardware context.
*/
move_group = 1;
}
}
/*
* Get the target context (task or percpu):
*/
ctx = find_get_context(pmu, task, cpu);
if (IS_ERR(ctx)) {
err = PTR_ERR(ctx);
goto err_alloc;
}
if (task) {
put_task_struct(task);
task = NULL;
}
/*
* Look up the group leader (we will attach this event to it):
*/
if (group_leader) {
err = -EINVAL;
/*
* Do not allow a recursive hierarchy (this new sibling
* becoming part of another group-sibling):
*/
if (group_leader->group_leader != group_leader)
goto err_context;
/*
* Do not allow to attach to a group in a different
* task or CPU context:
*/
if (move_group) {
if (group_leader->ctx->type != ctx->type)
goto err_context;
} else {
if (group_leader->ctx != ctx)
goto err_context;
}
/*
* Only a group leader can be exclusive or pinned
*/
if (attr.exclusive || attr.pinned)
goto err_context;
}
if (output_event) {
err = perf_event_set_output(event, output_event);
if (err)
goto err_context;
}
event_file = anon_inode_getfile("[perf_event]", &perf_fops, event, O_RDWR);
if (IS_ERR(event_file)) {
err = PTR_ERR(event_file);
goto err_context;
}
if (move_group) {
struct perf_event_context *gctx = group_leader->ctx;
mutex_lock(&gctx->mutex);
perf_remove_from_context(group_leader);
list_for_each_entry(sibling, &group_leader->sibling_list,
group_entry) {
perf_remove_from_context(sibling);
put_ctx(gctx);
}
mutex_unlock(&gctx->mutex);
put_ctx(gctx);
}
event->filp = event_file;
WARN_ON_ONCE(ctx->parent_ctx);
mutex_lock(&ctx->mutex);
if (move_group) {
perf_install_in_context(ctx, group_leader, cpu);
get_ctx(ctx);
list_for_each_entry(sibling, &group_leader->sibling_list,
group_entry) {
perf_install_in_context(ctx, sibling, cpu);
get_ctx(ctx);
}
}
perf_install_in_context(ctx, event, cpu);
++ctx->generation;
perf_unpin_context(ctx);
mutex_unlock(&ctx->mutex);
event->owner = current;
mutex_lock(¤t->perf_event_mutex);
list_add_tail(&event->owner_entry, ¤t->perf_event_list);
mutex_unlock(¤t->perf_event_mutex);
/*
* Precalculate sample_data sizes
*/
perf_event__header_size(event);
perf_event__id_header_size(event);
/*
* Drop the reference on the group_event after placing the
* new event on the sibling_list. This ensures destruction
* of the group leader will find the pointer to itself in
* perf_group_detach().
*/
fput_light(group_file, fput_needed);
fd_install(event_fd, event_file);
return event_fd;
err_context:
perf_unpin_context(ctx);
put_ctx(ctx);
err_alloc:
free_event(event);
err_task:
if (task)
put_task_struct(task);
err_group_fd:
fput_light(group_file, fput_needed);
err_fd:
put_unused_fd(event_fd);
return err;
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,771 | __find_swevent_head(struct swevent_hlist *hlist, u64 type, u32 event_id)
{
u64 hash = swevent_hash(type, event_id);
return &hlist->heads[hash];
}
| DoS Overflow | 0 | __find_swevent_head(struct swevent_hlist *hlist, u64 type, u32 event_id)
{
u64 hash = swevent_hash(type, event_id);
return &hlist->heads[hash];
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,772 | static int __perf_cgroup_move(void *info)
{
struct task_struct *task = info;
perf_cgroup_switch(task, PERF_CGROUP_SWOUT | PERF_CGROUP_SWIN);
return 0;
}
| DoS Overflow | 0 | static int __perf_cgroup_move(void *info)
{
struct task_struct *task = info;
perf_cgroup_switch(task, PERF_CGROUP_SWOUT | PERF_CGROUP_SWIN);
return 0;
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,773 | static int __perf_event_disable(void *info)
{
struct perf_event *event = info;
struct perf_event_context *ctx = event->ctx;
struct perf_cpu_context *cpuctx = __get_cpu_context(ctx);
/*
* If this is a per-task event, need to check whether this
* event's task is the current task on this cpu.
*
* Can trigger due to concurrent perf_event_context_sched_out()
* flipping contexts around.
*/
if (ctx->task && cpuctx->task_ctx != ctx)
return -EINVAL;
raw_spin_lock(&ctx->lock);
/*
* If the event is on, turn it off.
* If it is in error state, leave it in error state.
*/
if (event->state >= PERF_EVENT_STATE_INACTIVE) {
update_context_time(ctx);
update_cgrp_time_from_event(event);
update_group_times(event);
if (event == event->group_leader)
group_sched_out(event, cpuctx, ctx);
else
event_sched_out(event, cpuctx, ctx);
event->state = PERF_EVENT_STATE_OFF;
}
raw_spin_unlock(&ctx->lock);
return 0;
}
| DoS Overflow | 0 | static int __perf_event_disable(void *info)
{
struct perf_event *event = info;
struct perf_event_context *ctx = event->ctx;
struct perf_cpu_context *cpuctx = __get_cpu_context(ctx);
/*
* If this is a per-task event, need to check whether this
* event's task is the current task on this cpu.
*
* Can trigger due to concurrent perf_event_context_sched_out()
* flipping contexts around.
*/
if (ctx->task && cpuctx->task_ctx != ctx)
return -EINVAL;
raw_spin_lock(&ctx->lock);
/*
* If the event is on, turn it off.
* If it is in error state, leave it in error state.
*/
if (event->state >= PERF_EVENT_STATE_INACTIVE) {
update_context_time(ctx);
update_cgrp_time_from_event(event);
update_group_times(event);
if (event == event->group_leader)
group_sched_out(event, cpuctx, ctx);
else
event_sched_out(event, cpuctx, ctx);
event->state = PERF_EVENT_STATE_OFF;
}
raw_spin_unlock(&ctx->lock);
return 0;
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,774 | static int __perf_event_enable(void *info)
{
struct perf_event *event = info;
struct perf_event_context *ctx = event->ctx;
struct perf_event *leader = event->group_leader;
struct perf_cpu_context *cpuctx = __get_cpu_context(ctx);
int err;
if (WARN_ON_ONCE(!ctx->is_active))
return -EINVAL;
raw_spin_lock(&ctx->lock);
update_context_time(ctx);
if (event->state >= PERF_EVENT_STATE_INACTIVE)
goto unlock;
/*
* set current task's cgroup time reference point
*/
perf_cgroup_set_timestamp(current, ctx);
__perf_event_mark_enabled(event, ctx);
if (!event_filter_match(event)) {
if (is_cgroup_event(event))
perf_cgroup_defer_enabled(event);
goto unlock;
}
/*
* If the event is in a group and isn't the group leader,
* then don't put it on unless the group is on.
*/
if (leader != event && leader->state != PERF_EVENT_STATE_ACTIVE)
goto unlock;
if (!group_can_go_on(event, cpuctx, 1)) {
err = -EEXIST;
} else {
if (event == leader)
err = group_sched_in(event, cpuctx, ctx);
else
err = event_sched_in(event, cpuctx, ctx);
}
if (err) {
/*
* If this event can't go on and it's part of a
* group, then the whole group has to come off.
*/
if (leader != event)
group_sched_out(leader, cpuctx, ctx);
if (leader->attr.pinned) {
update_group_times(leader);
leader->state = PERF_EVENT_STATE_ERROR;
}
}
unlock:
raw_spin_unlock(&ctx->lock);
return 0;
}
| DoS Overflow | 0 | static int __perf_event_enable(void *info)
{
struct perf_event *event = info;
struct perf_event_context *ctx = event->ctx;
struct perf_event *leader = event->group_leader;
struct perf_cpu_context *cpuctx = __get_cpu_context(ctx);
int err;
if (WARN_ON_ONCE(!ctx->is_active))
return -EINVAL;
raw_spin_lock(&ctx->lock);
update_context_time(ctx);
if (event->state >= PERF_EVENT_STATE_INACTIVE)
goto unlock;
/*
* set current task's cgroup time reference point
*/
perf_cgroup_set_timestamp(current, ctx);
__perf_event_mark_enabled(event, ctx);
if (!event_filter_match(event)) {
if (is_cgroup_event(event))
perf_cgroup_defer_enabled(event);
goto unlock;
}
/*
* If the event is in a group and isn't the group leader,
* then don't put it on unless the group is on.
*/
if (leader != event && leader->state != PERF_EVENT_STATE_ACTIVE)
goto unlock;
if (!group_can_go_on(event, cpuctx, 1)) {
err = -EEXIST;
} else {
if (event == leader)
err = group_sched_in(event, cpuctx, ctx);
else
err = event_sched_in(event, cpuctx, ctx);
}
if (err) {
/*
* If this event can't go on and it's part of a
* group, then the whole group has to come off.
*/
if (leader != event)
group_sched_out(leader, cpuctx, ctx);
if (leader->attr.pinned) {
update_group_times(leader);
leader->state = PERF_EVENT_STATE_ERROR;
}
}
unlock:
raw_spin_unlock(&ctx->lock);
return 0;
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,775 | static void __perf_event_exit_context(void *__info)
{
struct perf_event_context *ctx = __info;
struct perf_event *event, *tmp;
perf_pmu_rotate_stop(ctx->pmu);
list_for_each_entry_safe(event, tmp, &ctx->pinned_groups, group_entry)
__perf_remove_from_context(event);
list_for_each_entry_safe(event, tmp, &ctx->flexible_groups, group_entry)
__perf_remove_from_context(event);
}
| DoS Overflow | 0 | static void __perf_event_exit_context(void *__info)
{
struct perf_event_context *ctx = __info;
struct perf_event *event, *tmp;
perf_pmu_rotate_stop(ctx->pmu);
list_for_each_entry_safe(event, tmp, &ctx->pinned_groups, group_entry)
__perf_remove_from_context(event);
list_for_each_entry_safe(event, tmp, &ctx->flexible_groups, group_entry)
__perf_remove_from_context(event);
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,776 | static void __perf_event_header__init_id(struct perf_event_header *header,
struct perf_sample_data *data,
struct perf_event *event)
{
u64 sample_type = event->attr.sample_type;
data->type = sample_type;
header->size += event->id_header_size;
if (sample_type & PERF_SAMPLE_TID) {
/* namespace issues */
data->tid_entry.pid = perf_event_pid(event, current);
data->tid_entry.tid = perf_event_tid(event, current);
}
if (sample_type & PERF_SAMPLE_TIME)
data->time = perf_clock();
if (sample_type & PERF_SAMPLE_ID)
data->id = primary_event_id(event);
if (sample_type & PERF_SAMPLE_STREAM_ID)
data->stream_id = event->id;
if (sample_type & PERF_SAMPLE_CPU) {
data->cpu_entry.cpu = raw_smp_processor_id();
data->cpu_entry.reserved = 0;
}
}
| DoS Overflow | 0 | static void __perf_event_header__init_id(struct perf_event_header *header,
struct perf_sample_data *data,
struct perf_event *event)
{
u64 sample_type = event->attr.sample_type;
data->type = sample_type;
header->size += event->id_header_size;
if (sample_type & PERF_SAMPLE_TID) {
/* namespace issues */
data->tid_entry.pid = perf_event_pid(event, current);
data->tid_entry.tid = perf_event_tid(event, current);
}
if (sample_type & PERF_SAMPLE_TIME)
data->time = perf_clock();
if (sample_type & PERF_SAMPLE_ID)
data->id = primary_event_id(event);
if (sample_type & PERF_SAMPLE_STREAM_ID)
data->stream_id = event->id;
if (sample_type & PERF_SAMPLE_CPU) {
data->cpu_entry.cpu = raw_smp_processor_id();
data->cpu_entry.reserved = 0;
}
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,777 | static void __perf_event_init_context(struct perf_event_context *ctx)
{
raw_spin_lock_init(&ctx->lock);
mutex_init(&ctx->mutex);
INIT_LIST_HEAD(&ctx->pinned_groups);
INIT_LIST_HEAD(&ctx->flexible_groups);
INIT_LIST_HEAD(&ctx->event_list);
atomic_set(&ctx->refcount, 1);
}
| DoS Overflow | 0 | static void __perf_event_init_context(struct perf_event_context *ctx)
{
raw_spin_lock_init(&ctx->lock);
mutex_init(&ctx->mutex);
INIT_LIST_HEAD(&ctx->pinned_groups);
INIT_LIST_HEAD(&ctx->flexible_groups);
INIT_LIST_HEAD(&ctx->event_list);
atomic_set(&ctx->refcount, 1);
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,778 | static void __perf_event_mark_enabled(struct perf_event *event,
struct perf_event_context *ctx)
{
struct perf_event *sub;
u64 tstamp = perf_event_time(event);
event->state = PERF_EVENT_STATE_INACTIVE;
event->tstamp_enabled = tstamp - event->total_time_enabled;
list_for_each_entry(sub, &event->sibling_list, group_entry) {
if (sub->state >= PERF_EVENT_STATE_INACTIVE)
sub->tstamp_enabled = tstamp - sub->total_time_enabled;
}
}
| DoS Overflow | 0 | static void __perf_event_mark_enabled(struct perf_event *event,
struct perf_event_context *ctx)
{
struct perf_event *sub;
u64 tstamp = perf_event_time(event);
event->state = PERF_EVENT_STATE_INACTIVE;
event->tstamp_enabled = tstamp - event->total_time_enabled;
list_for_each_entry(sub, &event->sibling_list, group_entry) {
if (sub->state >= PERF_EVENT_STATE_INACTIVE)
sub->tstamp_enabled = tstamp - sub->total_time_enabled;
}
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,779 | static void __perf_event_read(void *info)
{
struct perf_event *event = info;
struct perf_event_context *ctx = event->ctx;
struct perf_cpu_context *cpuctx = __get_cpu_context(ctx);
/*
* If this is a task context, we need to check whether it is
* the current task context of this cpu. If not it has been
* scheduled out before the smp call arrived. In that case
* event->count would have been updated to a recent sample
* when the event was scheduled out.
*/
if (ctx->task && cpuctx->task_ctx != ctx)
return;
raw_spin_lock(&ctx->lock);
if (ctx->is_active) {
update_context_time(ctx);
update_cgrp_time_from_event(event);
}
update_event_times(event);
if (event->state == PERF_EVENT_STATE_ACTIVE)
event->pmu->read(event);
raw_spin_unlock(&ctx->lock);
}
| DoS Overflow | 0 | static void __perf_event_read(void *info)
{
struct perf_event *event = info;
struct perf_event_context *ctx = event->ctx;
struct perf_cpu_context *cpuctx = __get_cpu_context(ctx);
/*
* If this is a task context, we need to check whether it is
* the current task context of this cpu. If not it has been
* scheduled out before the smp call arrived. In that case
* event->count would have been updated to a recent sample
* when the event was scheduled out.
*/
if (ctx->task && cpuctx->task_ctx != ctx)
return;
raw_spin_lock(&ctx->lock);
if (ctx->is_active) {
update_context_time(ctx);
update_cgrp_time_from_event(event);
}
update_event_times(event);
if (event->state == PERF_EVENT_STATE_ACTIVE)
event->pmu->read(event);
raw_spin_unlock(&ctx->lock);
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,780 | void __perf_event_task_sched_in(struct task_struct *task)
{
struct perf_event_context *ctx;
int ctxn;
for_each_task_context_nr(ctxn) {
ctx = task->perf_event_ctxp[ctxn];
if (likely(!ctx))
continue;
perf_event_context_sched_in(ctx, task);
}
/*
* if cgroup events exist on this CPU, then we need
* to check if we have to switch in PMU state.
* cgroup event are system-wide mode only
*/
if (atomic_read(&__get_cpu_var(perf_cgroup_events)))
perf_cgroup_sched_in(task);
}
| DoS Overflow | 0 | void __perf_event_task_sched_in(struct task_struct *task)
{
struct perf_event_context *ctx;
int ctxn;
for_each_task_context_nr(ctxn) {
ctx = task->perf_event_ctxp[ctxn];
if (likely(!ctx))
continue;
perf_event_context_sched_in(ctx, task);
}
/*
* if cgroup events exist on this CPU, then we need
* to check if we have to switch in PMU state.
* cgroup event are system-wide mode only
*/
if (atomic_read(&__get_cpu_var(perf_cgroup_events)))
perf_cgroup_sched_in(task);
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,781 | void __perf_event_task_sched_out(struct task_struct *task,
struct task_struct *next)
{
int ctxn;
for_each_task_context_nr(ctxn)
perf_event_context_sched_out(task, ctxn, next);
/*
* if cgroup events exist on this CPU, then we need
* to check if we have to switch out PMU state.
* cgroup event are system-wide mode only
*/
if (atomic_read(&__get_cpu_var(perf_cgroup_events)))
perf_cgroup_sched_out(task);
}
| DoS Overflow | 0 | void __perf_event_task_sched_out(struct task_struct *task,
struct task_struct *next)
{
int ctxn;
for_each_task_context_nr(ctxn)
perf_event_context_sched_out(task, ctxn, next);
/*
* if cgroup events exist on this CPU, then we need
* to check if we have to switch out PMU state.
* cgroup event are system-wide mode only
*/
if (atomic_read(&__get_cpu_var(perf_cgroup_events)))
perf_cgroup_sched_out(task);
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,782 | static int __perf_install_in_context(void *info)
{
struct perf_event *event = info;
struct perf_event_context *ctx = event->ctx;
struct perf_cpu_context *cpuctx = __get_cpu_context(ctx);
struct perf_event_context *task_ctx = cpuctx->task_ctx;
struct task_struct *task = current;
perf_ctx_lock(cpuctx, task_ctx);
perf_pmu_disable(cpuctx->ctx.pmu);
/*
* If there was an active task_ctx schedule it out.
*/
if (task_ctx)
task_ctx_sched_out(task_ctx);
/*
* If the context we're installing events in is not the
* active task_ctx, flip them.
*/
if (ctx->task && task_ctx != ctx) {
if (task_ctx)
raw_spin_unlock(&task_ctx->lock);
raw_spin_lock(&ctx->lock);
task_ctx = ctx;
}
if (task_ctx) {
cpuctx->task_ctx = task_ctx;
task = task_ctx->task;
}
cpu_ctx_sched_out(cpuctx, EVENT_ALL);
update_context_time(ctx);
/*
* update cgrp time only if current cgrp
* matches event->cgrp. Must be done before
* calling add_event_to_ctx()
*/
update_cgrp_time_from_event(event);
add_event_to_ctx(event, ctx);
/*
* Schedule everything back in
*/
perf_event_sched_in(cpuctx, task_ctx, task);
perf_pmu_enable(cpuctx->ctx.pmu);
perf_ctx_unlock(cpuctx, task_ctx);
return 0;
}
| DoS Overflow | 0 | static int __perf_install_in_context(void *info)
{
struct perf_event *event = info;
struct perf_event_context *ctx = event->ctx;
struct perf_cpu_context *cpuctx = __get_cpu_context(ctx);
struct perf_event_context *task_ctx = cpuctx->task_ctx;
struct task_struct *task = current;
perf_ctx_lock(cpuctx, task_ctx);
perf_pmu_disable(cpuctx->ctx.pmu);
/*
* If there was an active task_ctx schedule it out.
*/
if (task_ctx)
task_ctx_sched_out(task_ctx);
/*
* If the context we're installing events in is not the
* active task_ctx, flip them.
*/
if (ctx->task && task_ctx != ctx) {
if (task_ctx)
raw_spin_unlock(&task_ctx->lock);
raw_spin_lock(&ctx->lock);
task_ctx = ctx;
}
if (task_ctx) {
cpuctx->task_ctx = task_ctx;
task = task_ctx->task;
}
cpu_ctx_sched_out(cpuctx, EVENT_ALL);
update_context_time(ctx);
/*
* update cgrp time only if current cgrp
* matches event->cgrp. Must be done before
* calling add_event_to_ctx()
*/
update_cgrp_time_from_event(event);
add_event_to_ctx(event, ctx);
/*
* Schedule everything back in
*/
perf_event_sched_in(cpuctx, task_ctx, task);
perf_pmu_enable(cpuctx->ctx.pmu);
perf_ctx_unlock(cpuctx, task_ctx);
return 0;
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,783 | static inline void __update_cgrp_time(struct perf_cgroup *cgrp)
{
struct perf_cgroup_info *info;
u64 now;
now = perf_clock();
info = this_cpu_ptr(cgrp->info);
info->time += now - info->timestamp;
info->timestamp = now;
}
| DoS Overflow | 0 | static inline void __update_cgrp_time(struct perf_cgroup *cgrp)
{
struct perf_cgroup_info *info;
u64 now;
now = perf_clock();
info = this_cpu_ptr(cgrp->info);
info->time += now - info->timestamp;
info->timestamp = now;
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,784 | static int alloc_callchain_buffers(void)
{
int cpu;
int size;
struct callchain_cpus_entries *entries;
/*
* We can't use the percpu allocation API for data that can be
* accessed from NMI. Use a temporary manual per cpu allocation
* until that gets sorted out.
*/
size = offsetof(struct callchain_cpus_entries, cpu_entries[nr_cpu_ids]);
entries = kzalloc(size, GFP_KERNEL);
if (!entries)
return -ENOMEM;
size = sizeof(struct perf_callchain_entry) * PERF_NR_CONTEXTS;
for_each_possible_cpu(cpu) {
entries->cpu_entries[cpu] = kmalloc_node(size, GFP_KERNEL,
cpu_to_node(cpu));
if (!entries->cpu_entries[cpu])
goto fail;
}
rcu_assign_pointer(callchain_cpus_entries, entries);
return 0;
fail:
for_each_possible_cpu(cpu)
kfree(entries->cpu_entries[cpu]);
kfree(entries);
return -ENOMEM;
}
| DoS Overflow | 0 | static int alloc_callchain_buffers(void)
{
int cpu;
int size;
struct callchain_cpus_entries *entries;
/*
* We can't use the percpu allocation API for data that can be
* accessed from NMI. Use a temporary manual per cpu allocation
* until that gets sorted out.
*/
size = offsetof(struct callchain_cpus_entries, cpu_entries[nr_cpu_ids]);
entries = kzalloc(size, GFP_KERNEL);
if (!entries)
return -ENOMEM;
size = sizeof(struct perf_callchain_entry) * PERF_NR_CONTEXTS;
for_each_possible_cpu(cpu) {
entries->cpu_entries[cpu] = kmalloc_node(size, GFP_KERNEL,
cpu_to_node(cpu));
if (!entries->cpu_entries[cpu])
goto fail;
}
rcu_assign_pointer(callchain_cpus_entries, entries);
return 0;
fail:
for_each_possible_cpu(cpu)
kfree(entries->cpu_entries[cpu]);
kfree(entries);
return -ENOMEM;
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,785 | alloc_perf_context(struct pmu *pmu, struct task_struct *task)
{
struct perf_event_context *ctx;
ctx = kzalloc(sizeof(struct perf_event_context), GFP_KERNEL);
if (!ctx)
return NULL;
__perf_event_init_context(ctx);
if (task) {
ctx->task = task;
get_task_struct(task);
}
ctx->pmu = pmu;
return ctx;
}
| DoS Overflow | 0 | alloc_perf_context(struct pmu *pmu, struct task_struct *task)
{
struct perf_event_context *ctx;
ctx = kzalloc(sizeof(struct perf_event_context), GFP_KERNEL);
if (!ctx)
return NULL;
__perf_event_init_context(ctx);
if (task) {
ctx->task = task;
get_task_struct(task);
}
ctx->pmu = pmu;
return ctx;
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,786 | static void calc_timer_values(struct perf_event *event,
u64 *running,
u64 *enabled)
{
u64 now, ctx_time;
now = perf_clock();
ctx_time = event->shadow_ctx_time + now;
*enabled = ctx_time - event->tstamp_enabled;
*running = ctx_time - event->tstamp_running;
}
| DoS Overflow | 0 | static void calc_timer_values(struct perf_event *event,
u64 *running,
u64 *enabled)
{
u64 now, ctx_time;
now = perf_clock();
ctx_time = event->shadow_ctx_time + now;
*enabled = ctx_time - event->tstamp_enabled;
*running = ctx_time - event->tstamp_running;
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,787 | static int context_equiv(struct perf_event_context *ctx1,
struct perf_event_context *ctx2)
{
return ctx1->parent_ctx && ctx1->parent_ctx == ctx2->parent_ctx
&& ctx1->parent_gen == ctx2->parent_gen
&& !ctx1->pin_count && !ctx2->pin_count;
}
| DoS Overflow | 0 | static int context_equiv(struct perf_event_context *ctx1,
struct perf_event_context *ctx2)
{
return ctx1->parent_ctx && ctx1->parent_ctx == ctx2->parent_ctx
&& ctx1->parent_gen == ctx2->parent_gen
&& !ctx1->pin_count && !ctx2->pin_count;
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,788 | static int cpu_clock_event_add(struct perf_event *event, int flags)
{
if (flags & PERF_EF_START)
cpu_clock_event_start(event, flags);
return 0;
}
| DoS Overflow | 0 | static int cpu_clock_event_add(struct perf_event *event, int flags)
{
if (flags & PERF_EF_START)
cpu_clock_event_start(event, flags);
return 0;
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,789 | static void cpu_clock_event_del(struct perf_event *event, int flags)
{
cpu_clock_event_stop(event, flags);
}
| DoS Overflow | 0 | static void cpu_clock_event_del(struct perf_event *event, int flags)
{
cpu_clock_event_stop(event, flags);
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,790 | static int cpu_clock_event_init(struct perf_event *event)
{
if (event->attr.type != PERF_TYPE_SOFTWARE)
return -ENOENT;
if (event->attr.config != PERF_COUNT_SW_CPU_CLOCK)
return -ENOENT;
perf_swevent_init_hrtimer(event);
return 0;
}
| DoS Overflow | 0 | static int cpu_clock_event_init(struct perf_event *event)
{
if (event->attr.type != PERF_TYPE_SOFTWARE)
return -ENOENT;
if (event->attr.config != PERF_COUNT_SW_CPU_CLOCK)
return -ENOENT;
perf_swevent_init_hrtimer(event);
return 0;
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,791 | static void cpu_clock_event_read(struct perf_event *event)
{
cpu_clock_event_update(event);
}
| DoS Overflow | 0 | static void cpu_clock_event_read(struct perf_event *event)
{
cpu_clock_event_update(event);
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,792 | static void cpu_clock_event_start(struct perf_event *event, int flags)
{
local64_set(&event->hw.prev_count, local_clock());
perf_swevent_start_hrtimer(event);
}
| DoS Overflow | 0 | static void cpu_clock_event_start(struct perf_event *event, int flags)
{
local64_set(&event->hw.prev_count, local_clock());
perf_swevent_start_hrtimer(event);
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,793 | static void cpu_clock_event_stop(struct perf_event *event, int flags)
{
perf_swevent_cancel_hrtimer(event);
cpu_clock_event_update(event);
}
| DoS Overflow | 0 | static void cpu_clock_event_stop(struct perf_event *event, int flags)
{
perf_swevent_cancel_hrtimer(event);
cpu_clock_event_update(event);
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,794 | static void cpu_clock_event_update(struct perf_event *event)
{
s64 prev;
u64 now;
now = local_clock();
prev = local64_xchg(&event->hw.prev_count, now);
local64_add(now - prev, &event->count);
}
| DoS Overflow | 0 | static void cpu_clock_event_update(struct perf_event *event)
{
s64 prev;
u64 now;
now = local_clock();
prev = local64_xchg(&event->hw.prev_count, now);
local64_add(now - prev, &event->count);
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,795 | static void cpu_ctx_sched_in(struct perf_cpu_context *cpuctx,
enum event_type_t event_type,
struct task_struct *task)
{
struct perf_event_context *ctx = &cpuctx->ctx;
ctx_sched_in(ctx, cpuctx, event_type, task);
}
| DoS Overflow | 0 | static void cpu_ctx_sched_in(struct perf_cpu_context *cpuctx,
enum event_type_t event_type,
struct task_struct *task)
{
struct perf_event_context *ctx = &cpuctx->ctx;
ctx_sched_in(ctx, cpuctx, event_type, task);
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,796 | static void cpu_ctx_sched_out(struct perf_cpu_context *cpuctx,
enum event_type_t event_type)
{
ctx_sched_out(&cpuctx->ctx, cpuctx, event_type);
}
| DoS Overflow | 0 | static void cpu_ctx_sched_out(struct perf_cpu_context *cpuctx,
enum event_type_t event_type)
{
ctx_sched_out(&cpuctx->ctx, cpuctx, event_type);
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,797 | static int cpu_function_call(int cpu, int (*func) (void *info), void *info)
{
struct remote_function_call data = {
.p = NULL,
.func = func,
.info = info,
.ret = -ENXIO, /* No such CPU */
};
smp_call_function_single(cpu, remote_function, &data, 1);
return data.ret;
}
| DoS Overflow | 0 | static int cpu_function_call(int cpu, int (*func) (void *info), void *info)
{
struct remote_function_call data = {
.p = NULL,
.func = func,
.info = info,
.ret = -ENXIO, /* No such CPU */
};
smp_call_function_single(cpu, remote_function, &data, 1);
return data.ret;
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,798 | ctx_group_list(struct perf_event *event, struct perf_event_context *ctx)
{
if (event->attr.pinned)
return &ctx->pinned_groups;
else
return &ctx->flexible_groups;
}
| DoS Overflow | 0 | ctx_group_list(struct perf_event *event, struct perf_event_context *ctx)
{
if (event->attr.pinned)
return &ctx->pinned_groups;
else
return &ctx->flexible_groups;
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
20,799 | ctx_sched_in(struct perf_event_context *ctx,
struct perf_cpu_context *cpuctx,
enum event_type_t event_type,
struct task_struct *task)
{
u64 now;
int is_active = ctx->is_active;
ctx->is_active |= event_type;
if (likely(!ctx->nr_events))
return;
now = perf_clock();
ctx->timestamp = now;
perf_cgroup_set_timestamp(task, ctx);
/*
* First go through the list and put on any pinned groups
* in order to give them the best chance of going on.
*/
if (!(is_active & EVENT_PINNED) && (event_type & EVENT_PINNED))
ctx_pinned_sched_in(ctx, cpuctx);
/* Then walk through the lower prio flexible groups */
if (!(is_active & EVENT_FLEXIBLE) && (event_type & EVENT_FLEXIBLE))
ctx_flexible_sched_in(ctx, cpuctx);
}
| DoS Overflow | 0 | ctx_sched_in(struct perf_event_context *ctx,
struct perf_cpu_context *cpuctx,
enum event_type_t event_type,
struct task_struct *task)
{
u64 now;
int is_active = ctx->is_active;
ctx->is_active |= event_type;
if (likely(!ctx->nr_events))
return;
now = perf_clock();
ctx->timestamp = now;
perf_cgroup_set_timestamp(task, ctx);
/*
* First go through the list and put on any pinned groups
* in order to give them the best chance of going on.
*/
if (!(is_active & EVENT_PINNED) && (event_type & EVENT_PINNED))
ctx_pinned_sched_in(ctx, cpuctx);
/* Then walk through the lower prio flexible groups */
if (!(is_active & EVENT_FLEXIBLE) && (event_type & EVENT_FLEXIBLE))
ctx_flexible_sched_in(ctx, cpuctx);
}
| @@ -3972,7 +3972,7 @@ void perf_prepare_sample(struct perf_event_header *header,
}
}
-static void perf_event_output(struct perf_event *event, int nmi,
+static void perf_event_output(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -3984,7 +3984,7 @@ static void perf_event_output(struct perf_event *event, int nmi,
perf_prepare_sample(&header, data, event, regs);
- if (perf_output_begin(&handle, event, header.size, nmi, 1))
+ if (perf_output_begin(&handle, event, header.size, 1))
goto exit;
perf_output_sample(&handle, &header, data, event);
@@ -4024,7 +4024,7 @@ perf_event_read_event(struct perf_event *event,
int ret;
perf_event_header__init_id(&read_event.header, &sample, event);
- ret = perf_output_begin(&handle, event, read_event.header.size, 0, 0);
+ ret = perf_output_begin(&handle, event, read_event.header.size, 0);
if (ret)
return;
@@ -4067,7 +4067,7 @@ static void perf_event_task_output(struct perf_event *event,
perf_event_header__init_id(&task_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- task_event->event_id.header.size, 0, 0);
+ task_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4204,7 +4204,7 @@ static void perf_event_comm_output(struct perf_event *event,
perf_event_header__init_id(&comm_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- comm_event->event_id.header.size, 0, 0);
+ comm_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4351,7 +4351,7 @@ static void perf_event_mmap_output(struct perf_event *event,
perf_event_header__init_id(&mmap_event->event_id.header, &sample, event);
ret = perf_output_begin(&handle, event,
- mmap_event->event_id.header.size, 0, 0);
+ mmap_event->event_id.header.size, 0);
if (ret)
goto out;
@@ -4546,7 +4546,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
perf_event_header__init_id(&throttle_event.header, &sample, event);
ret = perf_output_begin(&handle, event,
- throttle_event.header.size, 1, 0);
+ throttle_event.header.size, 0);
if (ret)
return;
@@ -4559,7 +4559,7 @@ static void perf_log_throttle(struct perf_event *event, int enable)
* Generic event overflow handling, sampling.
*/
-static int __perf_event_overflow(struct perf_event *event, int nmi,
+static int __perf_event_overflow(struct perf_event *event,
int throttle, struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4602,34 +4602,28 @@ static int __perf_event_overflow(struct perf_event *event, int nmi,
if (events && atomic_dec_and_test(&event->event_limit)) {
ret = 1;
event->pending_kill = POLL_HUP;
- if (nmi) {
- event->pending_disable = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_disable(event);
+ event->pending_disable = 1;
+ irq_work_queue(&event->pending);
}
if (event->overflow_handler)
- event->overflow_handler(event, nmi, data, regs);
+ event->overflow_handler(event, data, regs);
else
- perf_event_output(event, nmi, data, regs);
+ perf_event_output(event, data, regs);
if (event->fasync && event->pending_kill) {
- if (nmi) {
- event->pending_wakeup = 1;
- irq_work_queue(&event->pending);
- } else
- perf_event_wakeup(event);
+ event->pending_wakeup = 1;
+ irq_work_queue(&event->pending);
}
return ret;
}
-int perf_event_overflow(struct perf_event *event, int nmi,
+int perf_event_overflow(struct perf_event *event,
struct perf_sample_data *data,
struct pt_regs *regs)
{
- return __perf_event_overflow(event, nmi, 1, data, regs);
+ return __perf_event_overflow(event, 1, data, regs);
}
/*
@@ -4678,7 +4672,7 @@ static u64 perf_swevent_set_period(struct perf_event *event)
}
static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4692,7 +4686,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
return;
for (; overflow; overflow--) {
- if (__perf_event_overflow(event, nmi, throttle,
+ if (__perf_event_overflow(event, throttle,
data, regs)) {
/*
* We inhibit the overflow from happening when
@@ -4705,7 +4699,7 @@ static void perf_swevent_overflow(struct perf_event *event, u64 overflow,
}
static void perf_swevent_event(struct perf_event *event, u64 nr,
- int nmi, struct perf_sample_data *data,
+ struct perf_sample_data *data,
struct pt_regs *regs)
{
struct hw_perf_event *hwc = &event->hw;
@@ -4719,12 +4713,12 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
return;
if (nr == 1 && hwc->sample_period == 1 && !event->attr.freq)
- return perf_swevent_overflow(event, 1, nmi, data, regs);
+ return perf_swevent_overflow(event, 1, data, regs);
if (local64_add_negative(nr, &hwc->period_left))
return;
- perf_swevent_overflow(event, 0, nmi, data, regs);
+ perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
@@ -4812,7 +4806,7 @@ find_swevent_head(struct swevent_htable *swhash, struct perf_event *event)
}
static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
- u64 nr, int nmi,
+ u64 nr,
struct perf_sample_data *data,
struct pt_regs *regs)
{
@@ -4828,7 +4822,7 @@ static void do_perf_sw_event(enum perf_type_id type, u32 event_id,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_swevent_match(event, type, event_id, data, regs))
- perf_swevent_event(event, nr, nmi, data, regs);
+ perf_swevent_event(event, nr, data, regs);
}
end:
rcu_read_unlock();
@@ -4849,8 +4843,7 @@ inline void perf_swevent_put_recursion_context(int rctx)
put_recursion_context(swhash->recursion, rctx);
}
-void __perf_sw_event(u32 event_id, u64 nr, int nmi,
- struct pt_regs *regs, u64 addr)
+void __perf_sw_event(u32 event_id, u64 nr, struct pt_regs *regs, u64 addr)
{
struct perf_sample_data data;
int rctx;
@@ -4862,7 +4855,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
perf_sample_data_init(&data, addr);
- do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
+ do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, &data, regs);
perf_swevent_put_recursion_context(rctx);
preempt_enable_notrace();
@@ -5110,7 +5103,7 @@ void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
hlist_for_each_entry_rcu(event, node, head, hlist_entry) {
if (perf_tp_event_match(event, &data, regs))
- perf_swevent_event(event, count, 1, &data, regs);
+ perf_swevent_event(event, count, &data, regs);
}
perf_swevent_put_recursion_context(rctx);
@@ -5203,7 +5196,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
perf_sample_data_init(&sample, bp->attr.bp_addr);
if (!bp->hw.state && !perf_exclude_event(bp, regs))
- perf_swevent_event(bp, 1, 1, &sample, regs);
+ perf_swevent_event(bp, 1, &sample, regs);
}
#endif
@@ -5232,7 +5225,7 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
if (regs && !perf_exclude_event(event, regs)) {
if (!(event->attr.exclude_idle && current->pid == 0))
- if (perf_event_overflow(event, 0, &data, regs))
+ if (perf_event_overflow(event, &data, regs))
ret = HRTIMER_NORESTART;
}
| CWE-399 | null | null |
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