idx int64 | func_before string | Vulnerability Classification string | vul int64 | func_after string | patch string | CWE ID string | lines_before string | lines_after string |
|---|---|---|---|---|---|---|---|---|
16,700 | static int read_prepare(struct kvm_vcpu *vcpu, void *val, int bytes)
{
if (vcpu->mmio_read_completed) {
memcpy(val, vcpu->mmio_data, bytes);
trace_kvm_mmio(KVM_TRACE_MMIO_READ, bytes,
vcpu->mmio_phys_addr, *(u64 *)val);
vcpu->mmio_read_completed = 0;
return 1;
}
return 0;
}
| DoS | 0 | static int read_prepare(struct kvm_vcpu *vcpu, void *val, int bytes)
{
if (vcpu->mmio_read_completed) {
memcpy(val, vcpu->mmio_data, bytes);
trace_kvm_mmio(KVM_TRACE_MMIO_READ, bytes,
vcpu->mmio_phys_addr, *(u64 *)val);
vcpu->mmio_read_completed = 0;
return 1;
}
return 0;
}
| @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,701 | static bool retry_instruction(struct x86_emulate_ctxt *ctxt,
unsigned long cr2, int emulation_type)
{
struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt);
unsigned long last_retry_eip, last_retry_addr, gpa = cr2;
last_retry_eip = vcpu->arch.last_retry_eip;
last_retry_addr = vcpu->arch.last_retry_addr;
/*
* If... | DoS | 0 | static bool retry_instruction(struct x86_emulate_ctxt *ctxt,
unsigned long cr2, int emulation_type)
{
struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt);
unsigned long last_retry_eip, last_retry_addr, gpa = cr2;
last_retry_eip = vcpu->arch.last_retry_eip;
last_retry_addr = vcpu->arch.last_retry_addr;
/*
* If... | @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,702 | static int set_efer(struct kvm_vcpu *vcpu, u64 efer)
{
u64 old_efer = vcpu->arch.efer;
if (efer & efer_reserved_bits)
return 1;
if (is_paging(vcpu)
&& (vcpu->arch.efer & EFER_LME) != (efer & EFER_LME))
return 1;
if (efer & EFER_FFXSR) {
struct kvm_cpuid_entry2 *feat;
feat = kvm_find_cpuid_entry(vcp... | DoS | 0 | static int set_efer(struct kvm_vcpu *vcpu, u64 efer)
{
u64 old_efer = vcpu->arch.efer;
if (efer & efer_reserved_bits)
return 1;
if (is_paging(vcpu)
&& (vcpu->arch.efer & EFER_LME) != (efer & EFER_LME))
return 1;
if (efer & EFER_FFXSR) {
struct kvm_cpuid_entry2 *feat;
feat = kvm_find_cpuid_entry(vcp... | @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,703 | static int set_msr_hyperv_pw(struct kvm_vcpu *vcpu, u32 msr, u64 data)
{
struct kvm *kvm = vcpu->kvm;
switch (msr) {
case HV_X64_MSR_GUEST_OS_ID:
kvm->arch.hv_guest_os_id = data;
/* setting guest os id to zero disables hypercall page */
if (!kvm->arch.hv_guest_os_id)
kvm->arch.hv_hypercall &= ~HV_X64_MSR_H... | DoS | 0 | static int set_msr_hyperv_pw(struct kvm_vcpu *vcpu, u32 msr, u64 data)
{
struct kvm *kvm = vcpu->kvm;
switch (msr) {
case HV_X64_MSR_GUEST_OS_ID:
kvm->arch.hv_guest_os_id = data;
/* setting guest os id to zero disables hypercall page */
if (!kvm->arch.hv_guest_os_id)
kvm->arch.hv_hypercall &= ~HV_X64_MSR_H... | @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,704 | static int set_msr_mtrr(struct kvm_vcpu *vcpu, u32 msr, u64 data)
{
u64 *p = (u64 *)&vcpu->arch.mtrr_state.fixed_ranges;
if (!mtrr_valid(vcpu, msr, data))
return 1;
if (msr == MSR_MTRRdefType) {
vcpu->arch.mtrr_state.def_type = data;
vcpu->arch.mtrr_state.enabled = (data & 0xc00) >> 10;
} else if (msr == MS... | DoS | 0 | static int set_msr_mtrr(struct kvm_vcpu *vcpu, u32 msr, u64 data)
{
u64 *p = (u64 *)&vcpu->arch.mtrr_state.fixed_ranges;
if (!mtrr_valid(vcpu, msr, data))
return 1;
if (msr == MSR_MTRRdefType) {
vcpu->arch.mtrr_state.def_type = data;
vcpu->arch.mtrr_state.enabled = (data & 0xc00) >> 10;
} else if (msr == MS... | @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,705 | static void shared_msr_update(unsigned slot, u32 msr)
{
struct kvm_shared_msrs *smsr;
u64 value;
smsr = &__get_cpu_var(shared_msrs);
/* only read, and nobody should modify it at this time,
* so don't need lock */
if (slot >= shared_msrs_global.nr) {
printk(KERN_ERR "kvm: invalid MSR slot!");
return;
}
rdm... | DoS | 0 | static void shared_msr_update(unsigned slot, u32 msr)
{
struct kvm_shared_msrs *smsr;
u64 value;
smsr = &__get_cpu_var(shared_msrs);
/* only read, and nobody should modify it at this time,
* so don't need lock */
if (slot >= shared_msrs_global.nr) {
printk(KERN_ERR "kvm: invalid MSR slot!");
return;
}
rdm... | @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,706 | static void tsc_khz_changed(void *data)
{
struct cpufreq_freqs *freq = data;
unsigned long khz = 0;
if (data)
khz = freq->new;
else if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC))
khz = cpufreq_quick_get(raw_smp_processor_id());
if (!khz)
khz = tsc_khz;
__this_cpu_write(cpu_tsc_khz, khz);
}
| DoS | 0 | static void tsc_khz_changed(void *data)
{
struct cpufreq_freqs *freq = data;
unsigned long khz = 0;
if (data)
khz = freq->new;
else if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC))
khz = cpufreq_quick_get(raw_smp_processor_id());
if (!khz)
khz = tsc_khz;
__this_cpu_write(cpu_tsc_khz, khz);
}
| @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,707 | static bool valid_pat_type(unsigned t)
{
return t < 8 && (1 << t) & 0xf3; /* 0, 1, 4, 5, 6, 7 */
}
| DoS | 0 | static bool valid_pat_type(unsigned t)
{
return t < 8 && (1 << t) & 0xf3; /* 0, 1, 4, 5, 6, 7 */
}
| @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,708 | static void vapic_enter(struct kvm_vcpu *vcpu)
{
struct kvm_lapic *apic = vcpu->arch.apic;
struct page *page;
if (!apic || !apic->vapic_addr)
return;
page = gfn_to_page(vcpu->kvm, apic->vapic_addr >> PAGE_SHIFT);
vcpu->arch.apic->vapic_page = page;
}
| DoS | 0 | static void vapic_enter(struct kvm_vcpu *vcpu)
{
struct kvm_lapic *apic = vcpu->arch.apic;
struct page *page;
if (!apic || !apic->vapic_addr)
return;
page = gfn_to_page(vcpu->kvm, apic->vapic_addr >> PAGE_SHIFT);
vcpu->arch.apic->vapic_page = page;
}
| @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,709 | static void vapic_exit(struct kvm_vcpu *vcpu)
{
struct kvm_lapic *apic = vcpu->arch.apic;
int idx;
if (!apic || !apic->vapic_addr)
return;
idx = srcu_read_lock(&vcpu->kvm->srcu);
kvm_release_page_dirty(apic->vapic_page);
mark_page_dirty(vcpu->kvm, apic->vapic_addr >> PAGE_SHIFT);
srcu_read_unlock(&vcpu->kvm-... | DoS | 0 | static void vapic_exit(struct kvm_vcpu *vcpu)
{
struct kvm_lapic *apic = vcpu->arch.apic;
int idx;
if (!apic || !apic->vapic_addr)
return;
idx = srcu_read_lock(&vcpu->kvm->srcu);
kvm_release_page_dirty(apic->vapic_page);
mark_page_dirty(vcpu->kvm, apic->vapic_addr >> PAGE_SHIFT);
srcu_read_unlock(&vcpu->kvm-... | @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,710 | static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
{
int r;
bool req_int_win = !irqchip_in_kernel(vcpu->kvm) &&
vcpu->run->request_interrupt_window;
bool req_immediate_exit = 0;
if (vcpu->requests) {
if (kvm_check_request(KVM_REQ_MMU_RELOAD, vcpu))
kvm_mmu_unload(vcpu);
if (kvm_check_request(KVM_REQ_MIGRA... | DoS | 0 | static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
{
int r;
bool req_int_win = !irqchip_in_kernel(vcpu->kvm) &&
vcpu->run->request_interrupt_window;
bool req_immediate_exit = 0;
if (vcpu->requests) {
if (kvm_check_request(KVM_REQ_MMU_RELOAD, vcpu))
kvm_mmu_unload(vcpu);
if (kvm_check_request(KVM_REQ_MIGRA... | @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,711 | static int vcpu_ioctl_tpr_access_reporting(struct kvm_vcpu *vcpu,
struct kvm_tpr_access_ctl *tac)
{
if (tac->flags)
return -EINVAL;
vcpu->arch.tpr_access_reporting = !!tac->enabled;
return 0;
}
| DoS | 0 | static int vcpu_ioctl_tpr_access_reporting(struct kvm_vcpu *vcpu,
struct kvm_tpr_access_ctl *tac)
{
if (tac->flags)
return -EINVAL;
vcpu->arch.tpr_access_reporting = !!tac->enabled;
return 0;
}
| @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,712 | static int vcpu_mmio_read(struct kvm_vcpu *vcpu, gpa_t addr, int len, void *v)
{
int handled = 0;
int n;
do {
n = min(len, 8);
if (!(vcpu->arch.apic &&
!kvm_iodevice_read(&vcpu->arch.apic->dev, addr, n, v))
&& kvm_io_bus_read(vcpu->kvm, KVM_MMIO_BUS, addr, n, v))
break;
trace_kvm_mmio(KVM_TRA... | DoS | 0 | static int vcpu_mmio_read(struct kvm_vcpu *vcpu, gpa_t addr, int len, void *v)
{
int handled = 0;
int n;
do {
n = min(len, 8);
if (!(vcpu->arch.apic &&
!kvm_iodevice_read(&vcpu->arch.apic->dev, addr, n, v))
&& kvm_io_bus_read(vcpu->kvm, KVM_MMIO_BUS, addr, n, v))
break;
trace_kvm_mmio(KVM_TRA... | @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,713 | u64 vcpu_tsc_khz(struct kvm_vcpu *vcpu)
{
if (vcpu->arch.virtual_tsc_khz)
return vcpu->arch.virtual_tsc_khz;
else
return __this_cpu_read(cpu_tsc_khz);
}
| DoS | 0 | u64 vcpu_tsc_khz(struct kvm_vcpu *vcpu)
{
if (vcpu->arch.virtual_tsc_khz)
return vcpu->arch.virtual_tsc_khz;
else
return __this_cpu_read(cpu_tsc_khz);
}
| @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,714 | static void wbinvd_ipi(void *garbage)
{
wbinvd();
}
| DoS | 0 | static void wbinvd_ipi(void *garbage)
{
wbinvd();
}
| @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,715 | static int write_emulate(struct kvm_vcpu *vcpu, gpa_t gpa,
void *val, int bytes)
{
return emulator_write_phys(vcpu, gpa, val, bytes);
}
| DoS | 0 | static int write_emulate(struct kvm_vcpu *vcpu, gpa_t gpa,
void *val, int bytes)
{
return emulator_write_phys(vcpu, gpa, val, bytes);
}
| @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,716 | static int write_exit_mmio(struct kvm_vcpu *vcpu, gpa_t gpa,
void *val, int bytes)
{
memcpy(vcpu->mmio_data, val, bytes);
memcpy(vcpu->run->mmio.data, vcpu->mmio_data, 8);
return X86EMUL_CONTINUE;
}
| DoS | 0 | static int write_exit_mmio(struct kvm_vcpu *vcpu, gpa_t gpa,
void *val, int bytes)
{
memcpy(vcpu->mmio_data, val, bytes);
memcpy(vcpu->run->mmio.data, vcpu->mmio_data, 8);
return X86EMUL_CONTINUE;
}
| @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,717 | static int write_mmio(struct kvm_vcpu *vcpu, gpa_t gpa, int bytes, void *val)
{
trace_kvm_mmio(KVM_TRACE_MMIO_WRITE, bytes, gpa, *(u64 *)val);
return vcpu_mmio_write(vcpu, gpa, bytes, val);
}
| DoS | 0 | static int write_mmio(struct kvm_vcpu *vcpu, gpa_t gpa, int bytes, void *val)
{
trace_kvm_mmio(KVM_TRACE_MMIO_WRITE, bytes, gpa, *(u64 *)val);
return vcpu_mmio_write(vcpu, gpa, bytes, val);
}
| @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,718 | static void write_protect_slot(struct kvm *kvm,
struct kvm_memory_slot *memslot,
unsigned long *dirty_bitmap,
unsigned long nr_dirty_pages)
{
spin_lock(&kvm->mmu_lock);
/* Not many dirty pages compared to # of shadow pages. */
if (nr_dirty_pages < kvm->arch.n_used_mmu_pages) {
unsign... | DoS | 0 | static void write_protect_slot(struct kvm *kvm,
struct kvm_memory_slot *memslot,
unsigned long *dirty_bitmap,
unsigned long nr_dirty_pages)
{
spin_lock(&kvm->mmu_lock);
/* Not many dirty pages compared to # of shadow pages. */
if (nr_dirty_pages < kvm->arch.n_used_mmu_pages) {
unsign... | @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,719 | int x86_emulate_instruction(struct kvm_vcpu *vcpu,
unsigned long cr2,
int emulation_type,
void *insn,
int insn_len)
{
int r;
struct x86_emulate_ctxt *ctxt = &vcpu->arch.emulate_ctxt;
bool writeback = true;
kvm_clear_exception_queue(vcpu);
if (!(emulation_type & EMULTYPE_NO_DECODE)) {
... | DoS | 0 | int x86_emulate_instruction(struct kvm_vcpu *vcpu,
unsigned long cr2,
int emulation_type,
void *insn,
int insn_len)
{
int r;
struct x86_emulate_ctxt *ctxt = &vcpu->arch.emulate_ctxt;
bool writeback = true;
kvm_clear_exception_queue(vcpu);
if (!(emulation_type & EMULTYPE_NO_DECODE)) {
... | @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,720 | static int xen_hvm_config(struct kvm_vcpu *vcpu, u64 data)
{
struct kvm *kvm = vcpu->kvm;
int lm = is_long_mode(vcpu);
u8 *blob_addr = lm ? (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_64
: (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_32;
u8 blob_size = lm ? kvm->arch.xen_hvm_config.blob_size_64
: kvm->arch... | DoS | 0 | static int xen_hvm_config(struct kvm_vcpu *vcpu, u64 data)
{
struct kvm *kvm = vcpu->kvm;
int lm = is_long_mode(vcpu);
u8 *blob_addr = lm ? (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_64
: (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_32;
u8 blob_size = lm ? kvm->arch.xen_hvm_config.blob_size_64
: kvm->arch... | @@ -3131,6 +3131,9 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EEXIST;
if (kvm->arch.vpic)
goto create_irqchip_unlock;
+ r = -EINVAL;
+ if (atomic_read(&kvm->online_vcpus))
+ goto create_irqchip_unlock;
r = -ENOMEM;
vpic = kvm_create_pic(kvm);
if (vpic) {
@@ -5956,6 +5959,11 @@ void kvm_arc... | CWE-399 | null | null |
16,721 | int __kvm_set_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
int user_alloc)
{
int r;
gfn_t base_gfn;
unsigned long npages;
unsigned long i;
struct kvm_memory_slot *memslot;
struct kvm_memory_slot old, new;
struct kvm_memslots *slots, *old_memslots;
r = -EINVAL;
/* Gener... | DoS | 0 | int __kvm_set_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
int user_alloc)
{
int r;
gfn_t base_gfn;
unsigned long npages;
unsigned long i;
struct kvm_memory_slot *memslot;
struct kvm_memory_slot old, new;
struct kvm_memslots *slots, *old_memslots;
r = -EINVAL;
/* Gener... | @@ -1720,6 +1720,10 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id)
goto vcpu_destroy;
mutex_lock(&kvm->lock);
+ if (!kvm_vcpu_compatible(vcpu)) {
+ r = -EINVAL;
+ goto unlock_vcpu_destroy;
+ }
if (atomic_read(&kvm->online_vcpus) == KVM_MAX_VCPUS) {
r = -EINVAL;
goto unlock_vcpu_destroy... | CWE-399 | null | null |
16,722 | static int kvm_mmu_notifier_clear_flush_young(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long address)
{
struct kvm *kvm = mmu_notifier_to_kvm(mn);
int young, idx;
idx = srcu_read_lock(&kvm->srcu);
spin_lock(&kvm->mmu_lock);
young = kvm_age_hva(kvm, address);
if (young)
kvm_... | DoS | 0 | static int kvm_mmu_notifier_clear_flush_young(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long address)
{
struct kvm *kvm = mmu_notifier_to_kvm(mn);
int young, idx;
idx = srcu_read_lock(&kvm->srcu);
spin_lock(&kvm->mmu_lock);
young = kvm_age_hva(kvm, address);
if (young)
kvm_... | @@ -1720,6 +1720,10 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id)
goto vcpu_destroy;
mutex_lock(&kvm->lock);
+ if (!kvm_vcpu_compatible(vcpu)) {
+ r = -EINVAL;
+ goto unlock_vcpu_destroy;
+ }
if (atomic_read(&kvm->online_vcpus) == KVM_MAX_VCPUS) {
r = -EINVAL;
goto unlock_vcpu_destroy... | CWE-399 | null | null |
16,723 | static void kvm_mmu_notifier_invalidate_page(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long address)
{
struct kvm *kvm = mmu_notifier_to_kvm(mn);
int need_tlb_flush, idx;
/*
* When ->invalidate_page runs, the linux pte has been zapped
* already but the page is still allocated u... | DoS | 0 | static void kvm_mmu_notifier_invalidate_page(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long address)
{
struct kvm *kvm = mmu_notifier_to_kvm(mn);
int need_tlb_flush, idx;
/*
* When ->invalidate_page runs, the linux pte has been zapped
* already but the page is still allocated u... | @@ -1720,6 +1720,10 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id)
goto vcpu_destroy;
mutex_lock(&kvm->lock);
+ if (!kvm_vcpu_compatible(vcpu)) {
+ r = -EINVAL;
+ goto unlock_vcpu_destroy;
+ }
if (atomic_read(&kvm->online_vcpus) == KVM_MAX_VCPUS) {
r = -EINVAL;
goto unlock_vcpu_destroy... | CWE-399 | null | null |
16,724 | static void kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long start,
unsigned long end)
{
struct kvm *kvm = mmu_notifier_to_kvm(mn);
int need_tlb_flush = 0, idx;
idx = srcu_read_lock(&kvm->srcu);
spin_lock(&kvm->mmu_lock);
/*
* The... | DoS | 0 | static void kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long start,
unsigned long end)
{
struct kvm *kvm = mmu_notifier_to_kvm(mn);
int need_tlb_flush = 0, idx;
idx = srcu_read_lock(&kvm->srcu);
spin_lock(&kvm->mmu_lock);
/*
* The... | @@ -1720,6 +1720,10 @@ static int kvm_vm_ioctl_create_vcpu(struct kvm *kvm, u32 id)
goto vcpu_destroy;
mutex_lock(&kvm->lock);
+ if (!kvm_vcpu_compatible(vcpu)) {
+ r = -EINVAL;
+ goto unlock_vcpu_destroy;
+ }
if (atomic_read(&kvm->online_vcpus) == KVM_MAX_VCPUS) {
r = -EINVAL;
goto unlock_vcpu_destroy... | CWE-399 | null | null |
16,725 | __be32 xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr)
{
struct xfrm6_tunnel_spi *x6spi;
u32 spi;
write_lock_bh(&xfrm6_tunnel_spi_lock);
x6spi = __xfrm6_tunnel_spi_lookup(saddr);
if (x6spi) {
atomic_inc(&x6spi->refcnt);
spi = x6spi->spi;
} else
spi = __xfrm6_tunnel_alloc_spi(saddr);
write_unlock_bh(&xfrm6_t... | DoS | 0 | __be32 xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr)
{
struct xfrm6_tunnel_spi *x6spi;
u32 spi;
write_lock_bh(&xfrm6_tunnel_spi_lock);
x6spi = __xfrm6_tunnel_spi_lookup(saddr);
if (x6spi) {
atomic_inc(&x6spi->refcnt);
spi = x6spi->spi;
} else
spi = __xfrm6_tunnel_alloc_spi(saddr);
write_unlock_bh(&xfrm6_t... | @@ -261,7 +261,7 @@ static int xfrm6_tunnel_rcv(struct sk_buff *skb)
__be32 spi;
spi = xfrm6_tunnel_spi_lookup((xfrm_address_t *)&iph->saddr);
- return xfrm6_rcv_spi(skb, spi);
+ return xfrm6_rcv_spi(skb, spi) > 0 ? : 0;
}
static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt, | CWE-399 | null | null |
16,726 | static void __exit xfrm6_tunnel_fini(void)
{
xfrm6_tunnel_spi_fini();
xfrm6_tunnel_deregister(&xfrm46_tunnel_handler, AF_INET);
xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6);
xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6);
}
| DoS | 0 | static void __exit xfrm6_tunnel_fini(void)
{
xfrm6_tunnel_spi_fini();
xfrm6_tunnel_deregister(&xfrm46_tunnel_handler, AF_INET);
xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6);
xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6);
}
| @@ -261,7 +261,7 @@ static int xfrm6_tunnel_rcv(struct sk_buff *skb)
__be32 spi;
spi = xfrm6_tunnel_spi_lookup((xfrm_address_t *)&iph->saddr);
- return xfrm6_rcv_spi(skb, spi);
+ return xfrm6_rcv_spi(skb, spi) > 0 ? : 0;
}
static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt, | CWE-399 | null | null |
16,727 | void xfrm6_tunnel_free_spi(xfrm_address_t *saddr)
{
struct xfrm6_tunnel_spi *x6spi;
struct hlist_node *pos, *n;
write_lock_bh(&xfrm6_tunnel_spi_lock);
hlist_for_each_entry_safe(x6spi, pos, n,
&xfrm6_tunnel_spi_byaddr[xfrm6_tunnel_spi_hash_byaddr(saddr)],
list_byaddr)
{
if (memcmp(&x6spi->addr, sadd... | DoS | 0 | void xfrm6_tunnel_free_spi(xfrm_address_t *saddr)
{
struct xfrm6_tunnel_spi *x6spi;
struct hlist_node *pos, *n;
write_lock_bh(&xfrm6_tunnel_spi_lock);
hlist_for_each_entry_safe(x6spi, pos, n,
&xfrm6_tunnel_spi_byaddr[xfrm6_tunnel_spi_hash_byaddr(saddr)],
list_byaddr)
{
if (memcmp(&x6spi->addr, sadd... | @@ -261,7 +261,7 @@ static int xfrm6_tunnel_rcv(struct sk_buff *skb)
__be32 spi;
spi = xfrm6_tunnel_spi_lookup((xfrm_address_t *)&iph->saddr);
- return xfrm6_rcv_spi(skb, spi);
+ return xfrm6_rcv_spi(skb, spi) > 0 ? : 0;
}
static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt, | CWE-399 | null | null |
16,728 | static int __init xfrm6_tunnel_init(void)
{
if (xfrm_register_type(&xfrm6_tunnel_type, AF_INET6) < 0)
return -EAGAIN;
if (xfrm6_tunnel_register(&xfrm6_tunnel_handler, AF_INET6)) {
xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6);
return -EAGAIN;
}
if (xfrm6_tunnel_register(&xfrm46_tunnel_handler, AF_INET))... | DoS | 0 | static int __init xfrm6_tunnel_init(void)
{
if (xfrm_register_type(&xfrm6_tunnel_type, AF_INET6) < 0)
return -EAGAIN;
if (xfrm6_tunnel_register(&xfrm6_tunnel_handler, AF_INET6)) {
xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6);
return -EAGAIN;
}
if (xfrm6_tunnel_register(&xfrm46_tunnel_handler, AF_INET))... | @@ -261,7 +261,7 @@ static int xfrm6_tunnel_rcv(struct sk_buff *skb)
__be32 spi;
spi = xfrm6_tunnel_spi_lookup((xfrm_address_t *)&iph->saddr);
- return xfrm6_rcv_spi(skb, spi);
+ return xfrm6_rcv_spi(skb, spi) > 0 ? : 0;
}
static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt, | CWE-399 | null | null |
16,729 | static int xfrm6_tunnel_init_state(struct xfrm_state *x)
{
if (x->props.mode != XFRM_MODE_TUNNEL)
return -EINVAL;
if (x->encap)
return -EINVAL;
x->props.header_len = sizeof(struct ipv6hdr);
return 0;
}
| DoS | 0 | static int xfrm6_tunnel_init_state(struct xfrm_state *x)
{
if (x->props.mode != XFRM_MODE_TUNNEL)
return -EINVAL;
if (x->encap)
return -EINVAL;
x->props.header_len = sizeof(struct ipv6hdr);
return 0;
}
| @@ -261,7 +261,7 @@ static int xfrm6_tunnel_rcv(struct sk_buff *skb)
__be32 spi;
spi = xfrm6_tunnel_spi_lookup((xfrm_address_t *)&iph->saddr);
- return xfrm6_rcv_spi(skb, spi);
+ return xfrm6_rcv_spi(skb, spi) > 0 ? : 0;
}
static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt, | CWE-399 | null | null |
16,730 | static int xfrm6_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
{
return 0;
}
| DoS | 0 | static int xfrm6_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
{
return 0;
}
| @@ -261,7 +261,7 @@ static int xfrm6_tunnel_rcv(struct sk_buff *skb)
__be32 spi;
spi = xfrm6_tunnel_spi_lookup((xfrm_address_t *)&iph->saddr);
- return xfrm6_rcv_spi(skb, spi);
+ return xfrm6_rcv_spi(skb, spi) > 0 ? : 0;
}
static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt, | CWE-399 | null | null |
16,731 | static int xfrm6_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
{
struct ipv6hdr *top_iph;
top_iph = (struct ipv6hdr *)skb->data;
top_iph->payload_len = htons(skb->len - sizeof(struct ipv6hdr));
return 0;
}
| DoS | 0 | static int xfrm6_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
{
struct ipv6hdr *top_iph;
top_iph = (struct ipv6hdr *)skb->data;
top_iph->payload_len = htons(skb->len - sizeof(struct ipv6hdr));
return 0;
}
| @@ -261,7 +261,7 @@ static int xfrm6_tunnel_rcv(struct sk_buff *skb)
__be32 spi;
spi = xfrm6_tunnel_spi_lookup((xfrm_address_t *)&iph->saddr);
- return xfrm6_rcv_spi(skb, spi);
+ return xfrm6_rcv_spi(skb, spi) > 0 ? : 0;
}
static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt, | CWE-399 | null | null |
16,732 | static void xfrm6_tunnel_spi_fini(void)
{
int i;
for (i = 0; i < XFRM6_TUNNEL_SPI_BYADDR_HSIZE; i++) {
if (!hlist_empty(&xfrm6_tunnel_spi_byaddr[i]))
return;
}
for (i = 0; i < XFRM6_TUNNEL_SPI_BYSPI_HSIZE; i++) {
if (!hlist_empty(&xfrm6_tunnel_spi_byspi[i]))
return;
}
kmem_cache_destroy(xfrm6_tunnel_sp... | DoS | 0 | static void xfrm6_tunnel_spi_fini(void)
{
int i;
for (i = 0; i < XFRM6_TUNNEL_SPI_BYADDR_HSIZE; i++) {
if (!hlist_empty(&xfrm6_tunnel_spi_byaddr[i]))
return;
}
for (i = 0; i < XFRM6_TUNNEL_SPI_BYSPI_HSIZE; i++) {
if (!hlist_empty(&xfrm6_tunnel_spi_byspi[i]))
return;
}
kmem_cache_destroy(xfrm6_tunnel_sp... | @@ -261,7 +261,7 @@ static int xfrm6_tunnel_rcv(struct sk_buff *skb)
__be32 spi;
spi = xfrm6_tunnel_spi_lookup((xfrm_address_t *)&iph->saddr);
- return xfrm6_rcv_spi(skb, spi);
+ return xfrm6_rcv_spi(skb, spi) > 0 ? : 0;
}
static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt, | CWE-399 | null | null |
16,733 | static int xfrm6_tunnel_spi_init(void)
{
int i;
xfrm6_tunnel_spi = 0;
xfrm6_tunnel_spi_kmem = kmem_cache_create("xfrm6_tunnel_spi",
sizeof(struct xfrm6_tunnel_spi),
0, SLAB_HWCACHE_ALIGN,
NULL, NULL);
if (!xfrm6_tunnel_spi_kmem)
return -ENOMEM;
for (i = 0; i < XFRM6_TUNNEL_SPI_BYADDR_HS... | DoS | 0 | static int xfrm6_tunnel_spi_init(void)
{
int i;
xfrm6_tunnel_spi = 0;
xfrm6_tunnel_spi_kmem = kmem_cache_create("xfrm6_tunnel_spi",
sizeof(struct xfrm6_tunnel_spi),
0, SLAB_HWCACHE_ALIGN,
NULL, NULL);
if (!xfrm6_tunnel_spi_kmem)
return -ENOMEM;
for (i = 0; i < XFRM6_TUNNEL_SPI_BYADDR_HS... | @@ -261,7 +261,7 @@ static int xfrm6_tunnel_rcv(struct sk_buff *skb)
__be32 spi;
spi = xfrm6_tunnel_spi_lookup((xfrm_address_t *)&iph->saddr);
- return xfrm6_rcv_spi(skb, spi);
+ return xfrm6_rcv_spi(skb, spi) > 0 ? : 0;
}
static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt, | CWE-399 | null | null |
16,734 | __be32 xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr)
{
struct xfrm6_tunnel_spi *x6spi;
u32 spi;
read_lock_bh(&xfrm6_tunnel_spi_lock);
x6spi = __xfrm6_tunnel_spi_lookup(saddr);
spi = x6spi ? x6spi->spi : 0;
read_unlock_bh(&xfrm6_tunnel_spi_lock);
return htonl(spi);
}
| DoS | 0 | __be32 xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr)
{
struct xfrm6_tunnel_spi *x6spi;
u32 spi;
read_lock_bh(&xfrm6_tunnel_spi_lock);
x6spi = __xfrm6_tunnel_spi_lookup(saddr);
spi = x6spi ? x6spi->spi : 0;
read_unlock_bh(&xfrm6_tunnel_spi_lock);
return htonl(spi);
}
| @@ -261,7 +261,7 @@ static int xfrm6_tunnel_rcv(struct sk_buff *skb)
__be32 spi;
spi = xfrm6_tunnel_spi_lookup((xfrm_address_t *)&iph->saddr);
- return xfrm6_rcv_spi(skb, spi);
+ return xfrm6_rcv_spi(skb, spi) > 0 ? : 0;
}
static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt, | CWE-399 | null | null |
16,735 | cdf_dump_property_info(const cdf_property_info_t *info, size_t count)
{
cdf_timestamp_t tp;
struct timespec ts;
char buf[64];
size_t i, j;
for (i = 0; i < count; i++) {
cdf_print_property_name(buf, sizeof(buf), info[i].pi_id);
(void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf);
switch (info[i].pi_ty... | DoS Overflow | 0 | cdf_dump_property_info(const cdf_property_info_t *info, size_t count)
{
cdf_timestamp_t tp;
struct timespec ts;
char buf[64];
size_t i, j;
for (i = 0; i < count; i++) {
cdf_print_property_name(buf, sizeof(buf), info[i].pi_id);
(void)fprintf(stderr, "%" SIZE_T_FORMAT "u) %s: ", i, buf);
switch (info[i].pi_ty... | @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,736 | cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size)
{
size_t i, j, s = size / sizeof(cdf_secid_t);
for (i = 0; i < sat->sat_len; i++) {
(void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6"
SIZE_T_FORMAT "u: ", prefix, i, i * s);
for (j = 0; j < s; j++) {
(void)fprintf(stderr, "%5d, ",
... | DoS Overflow | 0 | cdf_dump_sat(const char *prefix, const cdf_sat_t *sat, size_t size)
{
size_t i, j, s = size / sizeof(cdf_secid_t);
for (i = 0; i < sat->sat_len; i++) {
(void)fprintf(stderr, "%s[%" SIZE_T_FORMAT "u]:\n%.6"
SIZE_T_FORMAT "u: ", prefix, i, i * s);
for (j = 0; j < s; j++) {
(void)fprintf(stderr, "%5d, ",
... | @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,737 | cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst)
{
size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
cdf_dump(sst->sst_tab, ss * sst->sst_len);
}
| DoS Overflow | 0 | cdf_dump_stream(const cdf_header_t *h, const cdf_stream_t *sst)
{
size_t ss = sst->sst_dirlen < h->h_min_size_standard_stream ?
CDF_SHORT_SEC_SIZE(h) : CDF_SEC_SIZE(h);
cdf_dump(sst->sst_tab, ss * sst->sst_len);
}
| @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,738 | cdf_getuint32(const uint8_t *p, size_t offs)
{
uint32_t rv;
(void)memcpy(&rv, p + offs * sizeof(uint32_t), sizeof(rv));
return CDF_TOLE4(rv);
}
| DoS Overflow | 0 | cdf_getuint32(const uint8_t *p, size_t offs)
{
uint32_t rv;
(void)memcpy(&rv, p + offs * sizeof(uint32_t), sizeof(rv));
return CDF_TOLE4(rv);
}
| @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,739 | cdf_namecmp(const char *d, const uint16_t *s, size_t l)
{
for (; l--; d++, s++)
if (*d != CDF_TOLE2(*s))
return (unsigned char)*d - CDF_TOLE2(*s);
return 0;
}
| DoS Overflow | 0 | cdf_namecmp(const char *d, const uint16_t *s, size_t l)
{
for (; l--; d++, s++)
if (*d != CDF_TOLE2(*s))
return (unsigned char)*d - CDF_TOLE2(*s);
return 0;
}
| @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,740 | cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id)
{
return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-"
"%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0],
id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0],
id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4]... | DoS Overflow | 0 | cdf_print_classid(char *buf, size_t buflen, const cdf_classid_t *id)
{
return snprintf(buf, buflen, "%.8x-%.4x-%.4x-%.2x%.2x-"
"%.2x%.2x%.2x%.2x%.2x%.2x", id->cl_dword, id->cl_word[0],
id->cl_word[1], id->cl_two[0], id->cl_two[1], id->cl_six[0],
id->cl_six[1], id->cl_six[2], id->cl_six[3], id->cl_six[4]... | @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,741 | cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts)
{
int len = 0;
int days, hours, mins, secs;
ts /= CDF_TIME_PREC;
secs = (int)(ts % 60);
ts /= 60;
mins = (int)(ts % 60);
ts /= 60;
hours = (int)(ts % 24);
ts /= 24;
days = (int)ts;
if (days) {
len += snprintf(buf + len, bufsiz - len, "%... | DoS Overflow | 0 | cdf_print_elapsed_time(char *buf, size_t bufsiz, cdf_timestamp_t ts)
{
int len = 0;
int days, hours, mins, secs;
ts /= CDF_TIME_PREC;
secs = (int)(ts % 60);
ts /= 60;
mins = (int)(ts % 60);
ts /= 60;
hours = (int)(ts % 24);
ts /= 24;
days = (int)ts;
if (days) {
len += snprintf(buf + len, bufsiz - len, "%... | @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,742 | cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h,
const cdf_sat_t *sat, cdf_dir_t *dir)
{
size_t i, j;
size_t ss = CDF_SEC_SIZE(h), ns, nd;
char *buf;
cdf_secid_t sid = h->h_secid_first_directory;
ns = cdf_count_chain(sat, sid, ss);
if (ns == (size_t)-1)
return -1;
nd = ss / CDF_DIRECTORY_SIZE;... | DoS Overflow | 0 | cdf_read_dir(const cdf_info_t *info, const cdf_header_t *h,
const cdf_sat_t *sat, cdf_dir_t *dir)
{
size_t i, j;
size_t ss = CDF_SEC_SIZE(h), ns, nd;
char *buf;
cdf_secid_t sid = h->h_secid_first_directory;
ns = cdf_count_chain(sat, sid, ss);
if (ns == (size_t)-1)
return -1;
nd = ss / CDF_DIRECTORY_SIZE;... | @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,743 | cdf_read_header(const cdf_info_t *info, cdf_header_t *h)
{
char buf[512];
(void)memcpy(cdf_bo.s, "\01\02\03\04", 4);
if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1)
return -1;
cdf_unpack_header(h, buf);
cdf_swap_header(h);
if (h->h_magic != CDF_MAGIC) {
DPRINTF(("Bad magic 0x%" INT64_T_FORMAT "x != 0x%... | DoS Overflow | 0 | cdf_read_header(const cdf_info_t *info, cdf_header_t *h)
{
char buf[512];
(void)memcpy(cdf_bo.s, "\01\02\03\04", 4);
if (cdf_read(info, (off_t)0, buf, sizeof(buf)) == -1)
return -1;
cdf_unpack_header(h, buf);
cdf_swap_header(h);
if (h->h_magic != CDF_MAGIC) {
DPRINTF(("Bad magic 0x%" INT64_T_FORMAT "x != 0x%... | @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,744 | cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len,
const cdf_header_t *h, cdf_secid_t id)
{
size_t ss = CDF_SEC_SIZE(h);
size_t pos = CDF_SEC_POS(h, id);
assert(ss == len);
return cdf_read(info, (off_t)pos, ((char *)buf) + offs, len);
}
| DoS Overflow | 0 | cdf_read_sector(const cdf_info_t *info, void *buf, size_t offs, size_t len,
const cdf_header_t *h, cdf_secid_t id)
{
size_t ss = CDF_SEC_SIZE(h);
size_t pos = CDF_SEC_POS(h, id);
assert(ss == len);
return cdf_read(info, (off_t)pos, ((char *)buf) + offs, len);
}
| @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,745 | cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
cdf_secid_t sid, size_t len, cdf_stream_t *scn)
{
if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL)
return cdf_read_short_sector_chain(h, ssat, sst, sid, ... | DoS Overflow | 0 | cdf_read_sector_chain(const cdf_info_t *info, const cdf_header_t *h,
const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
cdf_secid_t sid, size_t len, cdf_stream_t *scn)
{
if (len < h->h_min_size_standard_stream && sst->sst_tab != NULL)
return cdf_read_short_sector_chain(h, ssat, sst, sid, ... | @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,746 | cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h,
const cdf_sat_t *sat, cdf_sat_t *ssat)
{
size_t i, j;
size_t ss = CDF_SEC_SIZE(h);
cdf_secid_t sid = h->h_secid_first_sector_in_short_sat;
ssat->sat_len = cdf_count_chain(sat, sid, CDF_SEC_SIZE(h));
if (ssat->sat_len == (size_t)-1)
return -1;
ss... | DoS Overflow | 0 | cdf_read_ssat(const cdf_info_t *info, const cdf_header_t *h,
const cdf_sat_t *sat, cdf_sat_t *ssat)
{
size_t i, j;
size_t ss = CDF_SEC_SIZE(h);
cdf_secid_t sid = h->h_secid_first_sector_in_short_sat;
ssat->sat_len = cdf_count_chain(sat, sid, CDF_SEC_SIZE(h));
if (ssat->sat_len == (size_t)-1)
return -1;
ss... | @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,747 | cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h,
const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
const cdf_dir_t *dir, cdf_stream_t *scn)
{
size_t i;
const cdf_directory_t *d;
static const char name[] = "\05SummaryInformation";
for (i = dir->dir_len; i > 0; i--)
... | DoS Overflow | 0 | cdf_read_summary_info(const cdf_info_t *info, const cdf_header_t *h,
const cdf_sat_t *sat, const cdf_sat_t *ssat, const cdf_stream_t *sst,
const cdf_dir_t *dir, cdf_stream_t *scn)
{
size_t i;
const cdf_directory_t *d;
static const char name[] = "\05SummaryInformation";
for (i = dir->dir_len; i > 0; i--)
... | @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,748 | cdf_swap_dir(cdf_directory_t *d)
{
d->d_namelen = CDF_TOLE2(d->d_namelen);
d->d_left_child = CDF_TOLE4((uint32_t)d->d_left_child);
d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child);
d->d_storage = CDF_TOLE4((uint32_t)d->d_storage);
d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]);
d->d_storage_uuid[1... | DoS Overflow | 0 | cdf_swap_dir(cdf_directory_t *d)
{
d->d_namelen = CDF_TOLE2(d->d_namelen);
d->d_left_child = CDF_TOLE4((uint32_t)d->d_left_child);
d->d_right_child = CDF_TOLE4((uint32_t)d->d_right_child);
d->d_storage = CDF_TOLE4((uint32_t)d->d_storage);
d->d_storage_uuid[0] = CDF_TOLE8(d->d_storage_uuid[0]);
d->d_storage_uuid[1... | @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,749 | cdf_tole2(uint16_t sv)
{
return CDF_TOLE2(sv);
}
| DoS Overflow | 0 | cdf_tole2(uint16_t sv)
{
return CDF_TOLE2(sv);
}
| @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,750 | cdf_tole8(uint64_t sv)
{
return CDF_TOLE8(sv);
}
| DoS Overflow | 0 | cdf_tole8(uint64_t sv)
{
return CDF_TOLE8(sv);
}
| @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,751 | cdf_unpack_dir(cdf_directory_t *d, char *buf)
{
size_t len = 0;
CDF_UNPACKA(d->d_name);
CDF_UNPACK(d->d_namelen);
CDF_UNPACK(d->d_type);
CDF_UNPACK(d->d_color);
CDF_UNPACK(d->d_left_child);
CDF_UNPACK(d->d_right_child);
CDF_UNPACK(d->d_storage);
CDF_UNPACKA(d->d_storage_uuid);
CDF_UNPACK(d->d_flags);
CDF_UN... | DoS Overflow | 0 | cdf_unpack_dir(cdf_directory_t *d, char *buf)
{
size_t len = 0;
CDF_UNPACKA(d->d_name);
CDF_UNPACK(d->d_namelen);
CDF_UNPACK(d->d_type);
CDF_UNPACK(d->d_color);
CDF_UNPACK(d->d_left_child);
CDF_UNPACK(d->d_right_child);
CDF_UNPACK(d->d_storage);
CDF_UNPACKA(d->d_storage_uuid);
CDF_UNPACK(d->d_flags);
CDF_UN... | @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,752 | cdf_unpack_header(cdf_header_t *h, char *buf)
{
size_t i;
size_t len = 0;
CDF_UNPACK(h->h_magic);
CDF_UNPACKA(h->h_uuid);
CDF_UNPACK(h->h_revision);
CDF_UNPACK(h->h_version);
CDF_UNPACK(h->h_byte_order);
CDF_UNPACK(h->h_sec_size_p2);
CDF_UNPACK(h->h_short_sec_size_p2);
CDF_UNPACKA(h->h_unused0);
CDF_UNPACK(... | DoS Overflow | 0 | cdf_unpack_header(cdf_header_t *h, char *buf)
{
size_t i;
size_t len = 0;
CDF_UNPACK(h->h_magic);
CDF_UNPACKA(h->h_uuid);
CDF_UNPACK(h->h_revision);
CDF_UNPACK(h->h_version);
CDF_UNPACK(h->h_byte_order);
CDF_UNPACK(h->h_sec_size_p2);
CDF_UNPACK(h->h_short_sec_size_p2);
CDF_UNPACKA(h->h_unused0);
CDF_UNPACK(... | @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,753 | cdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h,
cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count)
{
size_t i, maxcount;
const cdf_summary_info_header_t *si =
CAST(const cdf_summary_info_header_t *, sst->sst_tab);
const cdf_section_declaration_t *sd =
CAS... | DoS Overflow | 0 | cdf_unpack_summary_info(const cdf_stream_t *sst, const cdf_header_t *h,
cdf_summary_info_header_t *ssi, cdf_property_info_t **info, size_t *count)
{
size_t i, maxcount;
const cdf_summary_info_header_t *si =
CAST(const cdf_summary_info_header_t *, sst->sst_tab);
const cdf_section_declaration_t *sd =
CAS... | @@ -35,7 +35,7 @@
#include "file.h"
#ifndef lint
-FILE_RCSID("@(#)$File: cdf.c,v 1.48 2012/02/17 05:27:45 christos Exp $")
+FILE_RCSID("@(#)$File: cdf.c,v 1.49 2012/02/20 20:04:37 christos Exp $")
#endif
#include <assert.h>
@@ -75,6 +75,7 @@ static union {
#define CDF_TOLE2(x) ((uint16_t)(NEED_SWAP ? _cdf_tole... | CWE-119 | null | null |
16,754 | static inline void clear_AC(struct kernel_vm86_regs *regs)
{
regs->pt.flags &= ~X86_EFLAGS_AC;
}
| DoS | 0 | static inline void clear_AC(struct kernel_vm86_regs *regs)
{
regs->pt.flags &= ~X86_EFLAGS_AC;
}
| @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,755 | static inline void clear_TF(struct kernel_vm86_regs *regs)
{
regs->pt.flags &= ~X86_EFLAGS_TF;
}
| DoS | 0 | static inline void clear_TF(struct kernel_vm86_regs *regs)
{
regs->pt.flags &= ~X86_EFLAGS_TF;
}
| @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,756 | static int copy_vm86_regs_from_user(struct kernel_vm86_regs *regs,
const struct vm86_regs __user *user,
unsigned extra)
{
int ret = 0;
/* copy ax-fs inclusive */
ret += copy_from_user(regs, user, offsetof(struct kernel_vm86_regs, pt.orig_ax));
/* copy orig_ax-__gsh+extra */
ret += copy_from_user(&... | DoS | 0 | static int copy_vm86_regs_from_user(struct kernel_vm86_regs *regs,
const struct vm86_regs __user *user,
unsigned extra)
{
int ret = 0;
/* copy ax-fs inclusive */
ret += copy_from_user(regs, user, offsetof(struct kernel_vm86_regs, pt.orig_ax));
/* copy orig_ax-__gsh+extra */
ret += copy_from_user(&... | @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,757 | static int copy_vm86_regs_to_user(struct vm86_regs __user *user,
const struct kernel_vm86_regs *regs)
{
int ret = 0;
/*
* kernel_vm86_regs is missing gs, so copy everything up to
* (but not including) orig_eax, and then rest including orig_eax.
*/
ret += copy_to_user(user, regs, offsetof(struct kernel_v... | DoS | 0 | static int copy_vm86_regs_to_user(struct vm86_regs __user *user,
const struct kernel_vm86_regs *regs)
{
int ret = 0;
/*
* kernel_vm86_regs is missing gs, so copy everything up to
* (but not including) orig_eax, and then rest including orig_eax.
*/
ret += copy_to_user(user, regs, offsetof(struct kernel_v... | @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,758 | static void do_int(struct kernel_vm86_regs *regs, int i,
unsigned char __user *ssp, unsigned short sp)
{
unsigned long __user *intr_ptr;
unsigned long segoffs;
if (regs->pt.cs == BIOSSEG)
goto cannot_handle;
if (is_revectored(i, &KVM86->int_revectored))
goto cannot_handle;
if (i == 0x21 && is_revectored(A... | DoS | 0 | static void do_int(struct kernel_vm86_regs *regs, int i,
unsigned char __user *ssp, unsigned short sp)
{
unsigned long __user *intr_ptr;
unsigned long segoffs;
if (regs->pt.cs == BIOSSEG)
goto cannot_handle;
if (is_revectored(i, &KVM86->int_revectored))
goto cannot_handle;
if (i == 0x21 && is_revectored(A... | @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,759 | static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk)
{
struct tss_struct *tss;
/*
* make sure the vm86() system call doesn't try to do anything silly
*/
info->regs.pt.ds = 0;
info->regs.pt.es = 0;
info->regs.pt.fs = 0;
#ifndef CONFIG_X86_32_LAZY_GS
info->regs.pt.gs = 0;
#endif
/*
*... | DoS | 0 | static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk)
{
struct tss_struct *tss;
/*
* make sure the vm86() system call doesn't try to do anything silly
*/
info->regs.pt.ds = 0;
info->regs.pt.es = 0;
info->regs.pt.fs = 0;
#ifndef CONFIG_X86_32_LAZY_GS
info->regs.pt.gs = 0;
#endif
/*
*... | @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,760 | static int do_vm86_irq_handling(int subfunction, int irqnumber)
{
int ret;
switch (subfunction) {
case VM86_GET_AND_RESET_IRQ: {
return get_and_reset_irq(irqnumber);
}
case VM86_GET_IRQ_BITS: {
return irqbits;
}
case VM86_REQUEST_IRQ: {
int sig = irqnumber >> 8;
int irq = irqnumber & 255;
if ... | DoS | 0 | static int do_vm86_irq_handling(int subfunction, int irqnumber)
{
int ret;
switch (subfunction) {
case VM86_GET_AND_RESET_IRQ: {
return get_and_reset_irq(irqnumber);
}
case VM86_GET_IRQ_BITS: {
return irqbits;
}
case VM86_REQUEST_IRQ: {
int sig = irqnumber >> 8;
int irq = irqnumber & 255;
if ... | @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,761 | static inline void free_vm86_irq(int irqnumber)
{
unsigned long flags;
free_irq(irqnumber, NULL);
vm86_irqs[irqnumber].tsk = NULL;
spin_lock_irqsave(&irqbits_lock, flags);
irqbits &= ~(1 << irqnumber);
spin_unlock_irqrestore(&irqbits_lock, flags);
}
| DoS | 0 | static inline void free_vm86_irq(int irqnumber)
{
unsigned long flags;
free_irq(irqnumber, NULL);
vm86_irqs[irqnumber].tsk = NULL;
spin_lock_irqsave(&irqbits_lock, flags);
irqbits &= ~(1 << irqnumber);
spin_unlock_irqrestore(&irqbits_lock, flags);
}
| @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,762 | static inline int get_and_reset_irq(int irqnumber)
{
int bit;
unsigned long flags;
int ret = 0;
if (invalid_vm86_irq(irqnumber)) return 0;
if (vm86_irqs[irqnumber].tsk != current) return 0;
spin_lock_irqsave(&irqbits_lock, flags);
bit = irqbits & (1 << irqnumber);
irqbits &= ~bit;
if (bit) {
enable_irq(irqn... | DoS | 0 | static inline int get_and_reset_irq(int irqnumber)
{
int bit;
unsigned long flags;
int ret = 0;
if (invalid_vm86_irq(irqnumber)) return 0;
if (vm86_irqs[irqnumber].tsk != current) return 0;
spin_lock_irqsave(&irqbits_lock, flags);
bit = irqbits & (1 << irqnumber);
irqbits &= ~bit;
if (bit) {
enable_irq(irqn... | @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,763 | static inline unsigned long get_vflags(struct kernel_vm86_regs *regs)
{
unsigned long flags = regs->pt.flags & RETURN_MASK;
if (VEFLAGS & X86_EFLAGS_VIF)
flags |= X86_EFLAGS_IF;
flags |= X86_EFLAGS_IOPL;
return flags | (VEFLAGS & current->thread.v86mask);
}
| DoS | 0 | static inline unsigned long get_vflags(struct kernel_vm86_regs *regs)
{
unsigned long flags = regs->pt.flags & RETURN_MASK;
if (VEFLAGS & X86_EFLAGS_VIF)
flags |= X86_EFLAGS_IF;
flags |= X86_EFLAGS_IOPL;
return flags | (VEFLAGS & current->thread.v86mask);
}
| @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,764 | void handle_vm86_fault(struct kernel_vm86_regs *regs, long error_code)
{
unsigned char opcode;
unsigned char __user *csp;
unsigned char __user *ssp;
unsigned short ip, sp, orig_flags;
int data32, pref_done;
#define CHECK_IF_IN_TRAP \
if (VMPI.vm86dbg_active && VMPI.vm86dbg_TFpendig) \
newflags |= X86_EFLAGS_TF... | DoS | 0 | void handle_vm86_fault(struct kernel_vm86_regs *regs, long error_code)
{
unsigned char opcode;
unsigned char __user *csp;
unsigned char __user *ssp;
unsigned short ip, sp, orig_flags;
int data32, pref_done;
#define CHECK_IF_IN_TRAP \
if (VMPI.vm86dbg_active && VMPI.vm86dbg_TFpendig) \
newflags |= X86_EFLAGS_TF... | @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,765 | int handle_vm86_trap(struct kernel_vm86_regs *regs, long error_code, int trapno)
{
if (VMPI.is_vm86pus) {
if ((trapno == 3) || (trapno == 1)) {
KVM86->regs32->ax = VM86_TRAP + (trapno << 8);
/* setting this flag forces the code in entry_32.S to
call save_v86_state() and change the stack pointer
to ... | DoS | 0 | int handle_vm86_trap(struct kernel_vm86_regs *regs, long error_code, int trapno)
{
if (VMPI.is_vm86pus) {
if ((trapno == 3) || (trapno == 1)) {
KVM86->regs32->ax = VM86_TRAP + (trapno << 8);
/* setting this flag forces the code in entry_32.S to
call save_v86_state() and change the stack pointer
to ... | @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,766 | static irqreturn_t irq_handler(int intno, void *dev_id)
{
int irq_bit;
unsigned long flags;
spin_lock_irqsave(&irqbits_lock, flags);
irq_bit = 1 << intno;
if ((irqbits & irq_bit) || !vm86_irqs[intno].tsk)
goto out;
irqbits |= irq_bit;
if (vm86_irqs[intno].sig)
send_sig(vm86_irqs[intno].sig, vm86_irqs[intno]... | DoS | 0 | static irqreturn_t irq_handler(int intno, void *dev_id)
{
int irq_bit;
unsigned long flags;
spin_lock_irqsave(&irqbits_lock, flags);
irq_bit = 1 << intno;
if ((irqbits & irq_bit) || !vm86_irqs[intno].tsk)
goto out;
irqbits |= irq_bit;
if (vm86_irqs[intno].sig)
send_sig(vm86_irqs[intno].sig, vm86_irqs[intno]... | @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,767 | static inline int is_revectored(int nr, struct revectored_struct *bitmap)
{
__asm__ __volatile__("btl %2,%1\n\tsbbl %0,%0"
:"=r" (nr)
:"m" (*bitmap), "r" (nr));
return nr;
}
| DoS | 0 | static inline int is_revectored(int nr, struct revectored_struct *bitmap)
{
__asm__ __volatile__("btl %2,%1\n\tsbbl %0,%0"
:"=r" (nr)
:"m" (*bitmap), "r" (nr));
return nr;
}
| @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,768 | struct pt_regs *save_v86_state(struct kernel_vm86_regs *regs)
{
struct tss_struct *tss;
struct pt_regs *ret;
unsigned long tmp;
/*
* This gets called from entry.S with interrupts disabled, but
* from process context. Enable interrupts here, before trying
* to access user space.
*/
local_irq_enable();
if... | DoS | 0 | struct pt_regs *save_v86_state(struct kernel_vm86_regs *regs)
{
struct tss_struct *tss;
struct pt_regs *ret;
unsigned long tmp;
/*
* This gets called from entry.S with interrupts disabled, but
* from process context. Enable interrupts here, before trying
* to access user space.
*/
local_irq_enable();
if... | @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,769 | static inline void set_IF(struct kernel_vm86_regs *regs)
{
VEFLAGS |= X86_EFLAGS_VIF;
if (VEFLAGS & X86_EFLAGS_VIP)
return_to_32bit(regs, VM86_STI);
}
| DoS | 0 | static inline void set_IF(struct kernel_vm86_regs *regs)
{
VEFLAGS |= X86_EFLAGS_VIF;
if (VEFLAGS & X86_EFLAGS_VIP)
return_to_32bit(regs, VM86_STI);
}
| @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,770 | static inline void set_vflags_long(unsigned long flags, struct kernel_vm86_regs *regs)
{
set_flags(VEFLAGS, flags, current->thread.v86mask);
set_flags(regs->pt.flags, flags, SAFE_MASK);
if (flags & X86_EFLAGS_IF)
set_IF(regs);
else
clear_IF(regs);
}
| DoS | 0 | static inline void set_vflags_long(unsigned long flags, struct kernel_vm86_regs *regs)
{
set_flags(VEFLAGS, flags, current->thread.v86mask);
set_flags(regs->pt.flags, flags, SAFE_MASK);
if (flags & X86_EFLAGS_IF)
set_IF(regs);
else
clear_IF(regs);
}
| @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,771 | static inline void set_vflags_short(unsigned short flags, struct kernel_vm86_regs *regs)
{
set_flags(VFLAGS, flags, current->thread.v86mask);
set_flags(regs->pt.flags, flags, SAFE_MASK);
if (flags & X86_EFLAGS_IF)
set_IF(regs);
else
clear_IF(regs);
}
| DoS | 0 | static inline void set_vflags_short(unsigned short flags, struct kernel_vm86_regs *regs)
{
set_flags(VFLAGS, flags, current->thread.v86mask);
set_flags(regs->pt.flags, flags, SAFE_MASK);
if (flags & X86_EFLAGS_IF)
set_IF(regs);
else
clear_IF(regs);
}
| @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,772 | int sys_vm86(unsigned long cmd, unsigned long arg, struct pt_regs *regs)
{
struct kernel_vm86_struct info; /* declare this _on top_,
* this avoids wasting of stack space.
* This remains on the stack until we
* return to 32 bit user space.
*/
struct task_struct *tsk;
int tmp, ret;
struct vm86... | DoS | 0 | int sys_vm86(unsigned long cmd, unsigned long arg, struct pt_regs *regs)
{
struct kernel_vm86_struct info; /* declare this _on top_,
* this avoids wasting of stack space.
* This remains on the stack until we
* return to 32 bit user space.
*/
struct task_struct *tsk;
int tmp, ret;
struct vm86... | @@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
spinlock_t *ptl;
int i;
+ down_write(&mm->mmap_sem);
pgd = pgd_offset(mm, 0xA0000);
if (pgd_none_or_clear_bad(pgd))
goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
}
pte_unmap_unlock(pte, ptl);
... | CWE-264 | null | null |
16,773 | static int add_to_pagemap(unsigned long addr, u64 pfn,
struct pagemapread *pm)
{
pm->buffer[pm->pos++] = pfn;
if (pm->pos >= pm->len)
return PM_END_OF_BUFFER;
return 0;
}
| DoS | 0 | static int add_to_pagemap(unsigned long addr, u64 pfn,
struct pagemapread *pm)
{
pm->buffer[pm->pos++] = pfn;
if (pm->pos >= pm->len)
return PM_END_OF_BUFFER;
return 0;
}
| @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,774 | static ssize_t clear_refs_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
struct task_struct *task;
char buffer[PROC_NUMBUF];
struct mm_struct *mm;
struct vm_area_struct *vma;
int type;
int rv;
memset(buffer, 0, sizeof(buffer));
if (count > sizeof(buffer) - 1)
count = sizeo... | DoS | 0 | static ssize_t clear_refs_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
struct task_struct *task;
char buffer[PROC_NUMBUF];
struct mm_struct *mm;
struct vm_area_struct *vma;
int type;
int rv;
memset(buffer, 0, sizeof(buffer));
if (count > sizeof(buffer) - 1)
count = sizeo... | @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,775 | static int do_maps_open(struct inode *inode, struct file *file,
const struct seq_operations *ops)
{
struct proc_maps_private *priv;
int ret = -ENOMEM;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (priv) {
priv->pid = proc_pid(inode);
ret = seq_open(file, ops);
if (!ret) {
struct seq_file *m = file->pri... | DoS | 0 | static int do_maps_open(struct inode *inode, struct file *file,
const struct seq_operations *ops)
{
struct proc_maps_private *priv;
int ret = -ENOMEM;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (priv) {
priv->pid = proc_pid(inode);
ret = seq_open(file, ops);
if (!ret) {
struct seq_file *m = file->pri... | @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,776 | static int gather_hugetbl_stats(pte_t *pte, unsigned long hmask,
unsigned long addr, unsigned long end, struct mm_walk *walk)
{
struct numa_maps *md;
struct page *page;
if (pte_none(*pte))
return 0;
page = pte_page(*pte);
if (!page)
return 0;
md = walk->private;
gather_stats(page, md, pte_dirty(*pte), 1... | DoS | 0 | static int gather_hugetbl_stats(pte_t *pte, unsigned long hmask,
unsigned long addr, unsigned long end, struct mm_walk *walk)
{
struct numa_maps *md;
struct page *page;
if (pte_none(*pte))
return 0;
page = pte_page(*pte);
if (!page)
return 0;
md = walk->private;
gather_stats(page, md, pte_dirty(*pte), 1... | @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,777 | static int gather_hugetbl_stats(pte_t *pte, unsigned long hmask,
unsigned long addr, unsigned long end, struct mm_walk *walk)
{
return 0;
}
| DoS | 0 | static int gather_hugetbl_stats(pte_t *pte, unsigned long hmask,
unsigned long addr, unsigned long end, struct mm_walk *walk)
{
return 0;
}
| @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,778 | static void gather_stats(struct page *page, struct numa_maps *md, int pte_dirty,
unsigned long nr_pages)
{
int count = page_mapcount(page);
md->pages += nr_pages;
if (pte_dirty || PageDirty(page))
md->dirty += nr_pages;
if (PageSwapCache(page))
md->swapcache += nr_pages;
if (PageActive(page) || PageUnevi... | DoS | 0 | static void gather_stats(struct page *page, struct numa_maps *md, int pte_dirty,
unsigned long nr_pages)
{
int count = page_mapcount(page);
md->pages += nr_pages;
if (pte_dirty || PageDirty(page))
md->dirty += nr_pages;
if (PageSwapCache(page))
md->swapcache += nr_pages;
if (PageActive(page) || PageUnevi... | @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,779 | static void *m_next(struct seq_file *m, void *v, loff_t *pos)
{
struct proc_maps_private *priv = m->private;
struct vm_area_struct *vma = v;
struct vm_area_struct *tail_vma = priv->tail_vma;
(*pos)++;
if (vma && (vma != tail_vma) && vma->vm_next)
return vma->vm_next;
vma_stop(priv, vma);
return (vma != tail_v... | DoS | 0 | static void *m_next(struct seq_file *m, void *v, loff_t *pos)
{
struct proc_maps_private *priv = m->private;
struct vm_area_struct *vma = v;
struct vm_area_struct *tail_vma = priv->tail_vma;
(*pos)++;
if (vma && (vma != tail_vma) && vma->vm_next)
return vma->vm_next;
vma_stop(priv, vma);
return (vma != tail_v... | @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,780 | static void *m_start(struct seq_file *m, loff_t *pos)
{
struct proc_maps_private *priv = m->private;
unsigned long last_addr = m->version;
struct mm_struct *mm;
struct vm_area_struct *vma, *tail_vma = NULL;
loff_t l = *pos;
/* Clear the per syscall fields in priv */
priv->task = NULL;
priv->tail_vma = NULL;
... | DoS | 0 | static void *m_start(struct seq_file *m, loff_t *pos)
{
struct proc_maps_private *priv = m->private;
unsigned long last_addr = m->version;
struct mm_struct *mm;
struct vm_area_struct *vma, *tail_vma = NULL;
loff_t l = *pos;
/* Clear the per syscall fields in priv */
priv->task = NULL;
priv->tail_vma = NULL;
... | @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,781 | static void m_stop(struct seq_file *m, void *v)
{
struct proc_maps_private *priv = m->private;
struct vm_area_struct *vma = v;
if (!IS_ERR(vma))
vma_stop(priv, vma);
if (priv->task)
put_task_struct(priv->task);
}
| DoS | 0 | static void m_stop(struct seq_file *m, void *v)
{
struct proc_maps_private *priv = m->private;
struct vm_area_struct *vma = v;
if (!IS_ERR(vma))
vma_stop(priv, vma);
if (priv->task)
put_task_struct(priv->task);
}
| @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,782 | static int maps_open(struct inode *inode, struct file *file)
{
return do_maps_open(inode, file, &proc_pid_maps_op);
}
| DoS | 0 | static int maps_open(struct inode *inode, struct file *file)
{
return do_maps_open(inode, file, &proc_pid_maps_op);
}
| @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,783 | static int numa_maps_open(struct inode *inode, struct file *file)
{
struct numa_maps_private *priv;
int ret = -ENOMEM;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (priv) {
priv->proc_maps.pid = proc_pid(inode);
ret = seq_open(file, &proc_pid_numa_maps_op);
if (!ret) {
struct seq_file *m = file->private_d... | DoS | 0 | static int numa_maps_open(struct inode *inode, struct file *file)
{
struct numa_maps_private *priv;
int ret = -ENOMEM;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (priv) {
priv->proc_maps.pid = proc_pid(inode);
ret = seq_open(file, &proc_pid_numa_maps_op);
if (!ret) {
struct seq_file *m = file->private_d... | @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,784 | static void pad_len_spaces(struct seq_file *m, int len)
{
len = 25 + sizeof(void*) * 6 - len;
if (len < 1)
len = 1;
seq_printf(m, "%*c", len, ' ');
}
| DoS | 0 | static void pad_len_spaces(struct seq_file *m, int len)
{
len = 25 + sizeof(void*) * 6 - len;
if (len < 1)
len = 1;
seq_printf(m, "%*c", len, ' ');
}
| @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,785 | static int pagemap_hugetlb_range(pte_t *pte, unsigned long hmask,
unsigned long addr, unsigned long end,
struct mm_walk *walk)
{
struct pagemapread *pm = walk->private;
int err = 0;
u64 pfn;
for (; addr != end; addr += PAGE_SIZE) {
int offset = (addr & ~hmask) >> PAGE_SHIFT;
pfn = huge_pte_to_pagemap... | DoS | 0 | static int pagemap_hugetlb_range(pte_t *pte, unsigned long hmask,
unsigned long addr, unsigned long end,
struct mm_walk *walk)
{
struct pagemapread *pm = walk->private;
int err = 0;
u64 pfn;
for (; addr != end; addr += PAGE_SIZE) {
int offset = (addr & ~hmask) >> PAGE_SHIFT;
pfn = huge_pte_to_pagemap... | @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,786 | static int pagemap_pte_hole(unsigned long start, unsigned long end,
struct mm_walk *walk)
{
struct pagemapread *pm = walk->private;
unsigned long addr;
int err = 0;
for (addr = start; addr < end; addr += PAGE_SIZE) {
err = add_to_pagemap(addr, PM_NOT_PRESENT, pm);
if (err)
break;
}
return err;
}
| DoS | 0 | static int pagemap_pte_hole(unsigned long start, unsigned long end,
struct mm_walk *walk)
{
struct pagemapread *pm = walk->private;
unsigned long addr;
int err = 0;
for (addr = start; addr < end; addr += PAGE_SIZE) {
err = add_to_pagemap(addr, PM_NOT_PRESENT, pm);
if (err)
break;
}
return err;
}
| @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,787 | static int show_map(struct seq_file *m, void *v)
{
struct vm_area_struct *vma = v;
struct proc_maps_private *priv = m->private;
struct task_struct *task = priv->task;
show_map_vma(m, vma);
if (m->count < m->size) /* vma is copied successfully */
m->version = (vma != get_gate_vma(task->mm))
? vma->vm_start ... | DoS | 0 | static int show_map(struct seq_file *m, void *v)
{
struct vm_area_struct *vma = v;
struct proc_maps_private *priv = m->private;
struct task_struct *task = priv->task;
show_map_vma(m, vma);
if (m->count < m->size) /* vma is copied successfully */
m->version = (vma != get_gate_vma(task->mm))
? vma->vm_start ... | @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,788 | static int show_smap(struct seq_file *m, void *v)
{
struct proc_maps_private *priv = m->private;
struct task_struct *task = priv->task;
struct vm_area_struct *vma = v;
struct mem_size_stats mss;
struct mm_walk smaps_walk = {
.pmd_entry = smaps_pte_range,
.mm = vma->vm_mm,
.private = &mss,
};
memset(&mss, ... | DoS | 0 | static int show_smap(struct seq_file *m, void *v)
{
struct proc_maps_private *priv = m->private;
struct task_struct *task = priv->task;
struct vm_area_struct *vma = v;
struct mem_size_stats mss;
struct mm_walk smaps_walk = {
.pmd_entry = smaps_pte_range,
.mm = vma->vm_mm,
.private = &mss,
};
memset(&mss, ... | @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,789 | static int smaps_open(struct inode *inode, struct file *file)
{
return do_maps_open(inode, file, &proc_pid_smaps_op);
}
| DoS | 0 | static int smaps_open(struct inode *inode, struct file *file)
{
return do_maps_open(inode, file, &proc_pid_smaps_op);
}
| @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,790 | static u64 swap_pte_to_pagemap_entry(pte_t pte)
{
swp_entry_t e = pte_to_swp_entry(pte);
return swp_type(e) | (swp_offset(e) << MAX_SWAPFILES_SHIFT);
}
| DoS | 0 | static u64 swap_pte_to_pagemap_entry(pte_t pte)
{
swp_entry_t e = pte_to_swp_entry(pte);
return swp_type(e) | (swp_offset(e) << MAX_SWAPFILES_SHIFT);
}
| @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,791 | void task_mem(struct seq_file *m, struct mm_struct *mm)
{
unsigned long data, text, lib, swap;
unsigned long hiwater_vm, total_vm, hiwater_rss, total_rss;
/*
* Note: to minimize their overhead, mm maintains hiwater_vm and
* hiwater_rss only when about to *lower* total_vm or rss. Any
* collector of these hiwa... | DoS | 0 | void task_mem(struct seq_file *m, struct mm_struct *mm)
{
unsigned long data, text, lib, swap;
unsigned long hiwater_vm, total_vm, hiwater_rss, total_rss;
/*
* Note: to minimize their overhead, mm maintains hiwater_vm and
* hiwater_rss only when about to *lower* total_vm or rss. Any
* collector of these hiwa... | @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,792 | unsigned long task_statm(struct mm_struct *mm,
unsigned long *shared, unsigned long *text,
unsigned long *data, unsigned long *resident)
{
*shared = get_mm_counter(mm, MM_FILEPAGES);
*text = (PAGE_ALIGN(mm->end_code) - (mm->start_code & PAGE_MASK))
>> PAGE_SHIFT;
*data = mm->total_vm - mm->shared_vm;... | DoS | 0 | unsigned long task_statm(struct mm_struct *mm,
unsigned long *shared, unsigned long *text,
unsigned long *data, unsigned long *resident)
{
*shared = get_mm_counter(mm, MM_FILEPAGES);
*text = (PAGE_ALIGN(mm->end_code) - (mm->start_code & PAGE_MASK))
>> PAGE_SHIFT;
*data = mm->total_vm - mm->shared_vm;... | @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,793 | unsigned long task_vsize(struct mm_struct *mm)
{
return PAGE_SIZE * mm->total_vm;
}
| DoS | 0 | unsigned long task_vsize(struct mm_struct *mm)
{
return PAGE_SIZE * mm->total_vm;
}
| @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,794 | static void vma_stop(struct proc_maps_private *priv, struct vm_area_struct *vma)
{
if (vma && vma != priv->tail_vma) {
struct mm_struct *mm = vma->vm_mm;
up_read(&mm->mmap_sem);
mmput(mm);
}
}
| DoS | 0 | static void vma_stop(struct proc_maps_private *priv, struct vm_area_struct *vma)
{
if (vma && vma != priv->tail_vma) {
struct mm_struct *mm = vma->vm_mm;
up_read(&mm->mmap_sem);
mmput(mm);
}
}
| @@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
} else {
spin_unlock(&walk->mm->page_table_lock);
}
+
+ if (pmd_trans_unstable(pmd))
+ return 0;
/*
* The mmap_sem held all the way back in m_start() is what
* keeps khugepaged out of here and from collapsi... | CWE-264 | null | null |
16,795 | static void __mem_cgroup_cancel_charge(struct mem_cgroup *memcg,
unsigned int nr_pages)
{
if (!mem_cgroup_is_root(memcg)) {
unsigned long bytes = nr_pages * PAGE_SIZE;
res_counter_uncharge(&memcg->res, bytes);
if (do_swap_account)
res_counter_uncharge(&memcg->memsw, bytes);
}
}
| DoS | 0 | static void __mem_cgroup_cancel_charge(struct mem_cgroup *memcg,
unsigned int nr_pages)
{
if (!mem_cgroup_is_root(memcg)) {
unsigned long bytes = nr_pages * PAGE_SIZE;
res_counter_uncharge(&memcg->res, bytes);
if (do_swap_account)
res_counter_uncharge(&memcg->memsw, bytes);
}
}
| @@ -5234,6 +5234,8 @@ static int mem_cgroup_count_precharge_pte_range(pmd_t *pmd,
spinlock_t *ptl;
split_huge_page_pmd(walk->mm, pmd);
+ if (pmd_trans_unstable(pmd))
+ return 0;
pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
for (; addr != end; pte++, addr += PAGE_SIZE)
@@ -5396,6 +5398,8 @@ stati... | CWE-264 | null | null |
16,796 | static void __mem_cgroup_clear_mc(void)
{
struct mem_cgroup *from = mc.from;
struct mem_cgroup *to = mc.to;
/* we must uncharge all the leftover precharges from mc.to */
if (mc.precharge) {
__mem_cgroup_cancel_charge(mc.to, mc.precharge);
mc.precharge = 0;
}
/*
* we didn't uncharge from mc.from at mem_cgro... | DoS | 0 | static void __mem_cgroup_clear_mc(void)
{
struct mem_cgroup *from = mc.from;
struct mem_cgroup *to = mc.to;
/* we must uncharge all the leftover precharges from mc.to */
if (mc.precharge) {
__mem_cgroup_cancel_charge(mc.to, mc.precharge);
mc.precharge = 0;
}
/*
* we didn't uncharge from mc.from at mem_cgro... | @@ -5234,6 +5234,8 @@ static int mem_cgroup_count_precharge_pte_range(pmd_t *pmd,
spinlock_t *ptl;
split_huge_page_pmd(walk->mm, pmd);
+ if (pmd_trans_unstable(pmd))
+ return 0;
pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
for (; addr != end; pte++, addr += PAGE_SIZE)
@@ -5396,6 +5398,8 @@ stati... | CWE-264 | null | null |
16,797 | static void __mem_cgroup_commit_charge(struct mem_cgroup *memcg,
struct page *page,
unsigned int nr_pages,
struct page_cgroup *pc,
enum charge_type ctype,
bool lrucare)
{
struct zone *uninitialized_var(zone);
bool was_on_lru = false;
lock_page_cgroup(pc);
if (... | DoS | 0 | static void __mem_cgroup_commit_charge(struct mem_cgroup *memcg,
struct page *page,
unsigned int nr_pages,
struct page_cgroup *pc,
enum charge_type ctype,
bool lrucare)
{
struct zone *uninitialized_var(zone);
bool was_on_lru = false;
lock_page_cgroup(pc);
if (... | @@ -5234,6 +5234,8 @@ static int mem_cgroup_count_precharge_pte_range(pmd_t *pmd,
spinlock_t *ptl;
split_huge_page_pmd(walk->mm, pmd);
+ if (pmd_trans_unstable(pmd))
+ return 0;
pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
for (; addr != end; pte++, addr += PAGE_SIZE)
@@ -5396,6 +5398,8 @@ stati... | CWE-264 | null | null |
16,798 | static void __mem_cgroup_free(struct mem_cgroup *memcg)
{
int node;
mem_cgroup_remove_from_trees(memcg);
free_css_id(&mem_cgroup_subsys, &memcg->css);
for_each_node(node)
free_mem_cgroup_per_zone_info(memcg, node);
free_percpu(memcg->stat);
if (sizeof(struct mem_cgroup) < PAGE_SIZE)
kfree_rcu(memcg, rcu_fr... | DoS | 0 | static void __mem_cgroup_free(struct mem_cgroup *memcg)
{
int node;
mem_cgroup_remove_from_trees(memcg);
free_css_id(&mem_cgroup_subsys, &memcg->css);
for_each_node(node)
free_mem_cgroup_per_zone_info(memcg, node);
free_percpu(memcg->stat);
if (sizeof(struct mem_cgroup) < PAGE_SIZE)
kfree_rcu(memcg, rcu_fr... | @@ -5234,6 +5234,8 @@ static int mem_cgroup_count_precharge_pte_range(pmd_t *pmd,
spinlock_t *ptl;
split_huge_page_pmd(walk->mm, pmd);
+ if (pmd_trans_unstable(pmd))
+ return 0;
pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
for (; addr != end; pte++, addr += PAGE_SIZE)
@@ -5396,6 +5398,8 @@ stati... | CWE-264 | null | null |
16,799 | __mem_cgroup_insert_exceeded(struct mem_cgroup *memcg,
struct mem_cgroup_per_zone *mz,
struct mem_cgroup_tree_per_zone *mctz,
unsigned long long new_usage_in_excess)
{
struct rb_node **p = &mctz->rb_root.rb_node;
struct rb_node *parent = NULL;
struct mem_cgroup_per_zone *mz_node;
if (mz->on_tree)
ret... | DoS | 0 | __mem_cgroup_insert_exceeded(struct mem_cgroup *memcg,
struct mem_cgroup_per_zone *mz,
struct mem_cgroup_tree_per_zone *mctz,
unsigned long long new_usage_in_excess)
{
struct rb_node **p = &mctz->rb_root.rb_node;
struct rb_node *parent = NULL;
struct mem_cgroup_per_zone *mz_node;
if (mz->on_tree)
ret... | @@ -5234,6 +5234,8 @@ static int mem_cgroup_count_precharge_pte_range(pmd_t *pmd,
spinlock_t *ptl;
split_huge_page_pmd(walk->mm, pmd);
+ if (pmd_trans_unstable(pmd))
+ return 0;
pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
for (; addr != end; pte++, addr += PAGE_SIZE)
@@ -5396,6 +5398,8 @@ stati... | CWE-264 | null | null |
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