idx int64 | func_before string | Vulnerability Classification string | vul int64 | func_after string | patch string | CWE ID string | lines_before string | lines_after string |
|---|---|---|---|---|---|---|---|---|
46,600 | static noinline void __schedule_bug(struct task_struct *prev)
{
if (oops_in_progress)
return;
printk(KERN_ERR "BUG: scheduling while atomic: %s/%d/0x%08x\n",
prev->comm, prev->pid, preempt_count());
debug_show_held_locks(prev);
print_modules();
if (irqs_disabled())
print_irqtrace_events(prev);
dump_stack(... | +Info | 0 | static noinline void __schedule_bug(struct task_struct *prev)
{
if (oops_in_progress)
return;
printk(KERN_ERR "BUG: scheduling while atomic: %s/%d/0x%08x\n",
prev->comm, prev->pid, preempt_count());
debug_show_held_locks(prev);
print_modules();
if (irqs_disabled())
print_irqtrace_events(prev);
dump_stack(... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,601 | static int __sdt_alloc(const struct cpumask *cpu_map)
{
struct sched_domain_topology_level *tl;
int j;
for_each_sd_topology(tl) {
struct sd_data *sdd = &tl->data;
sdd->sd = alloc_percpu(struct sched_domain *);
if (!sdd->sd)
return -ENOMEM;
sdd->sg = alloc_percpu(struct sched_group *);
if (!sdd->sg)
... | +Info | 0 | static int __sdt_alloc(const struct cpumask *cpu_map)
{
struct sched_domain_topology_level *tl;
int j;
for_each_sd_topology(tl) {
struct sd_data *sdd = &tl->data;
sdd->sd = alloc_percpu(struct sched_domain *);
if (!sdd->sd)
return -ENOMEM;
sdd->sg = alloc_percpu(struct sched_group *);
if (!sdd->sg)
... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,602 | static void __sdt_free(const struct cpumask *cpu_map)
{
struct sched_domain_topology_level *tl;
int j;
for_each_sd_topology(tl) {
struct sd_data *sdd = &tl->data;
for_each_cpu(j, cpu_map) {
struct sched_domain *sd;
if (sdd->sd) {
sd = *per_cpu_ptr(sdd->sd, j);
if (sd && (sd->flags & SD_OVERLAP))... | +Info | 0 | static void __sdt_free(const struct cpumask *cpu_map)
{
struct sched_domain_topology_level *tl;
int j;
for_each_sd_topology(tl) {
struct sd_data *sdd = &tl->data;
for_each_cpu(j, cpu_map) {
struct sched_domain *sd;
if (sdd->sd) {
sd = *per_cpu_ptr(sdd->sd, j);
if (sd && (sd->flags & SD_OVERLAP))... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,603 | __setparam_dl(struct task_struct *p, const struct sched_attr *attr)
{
struct sched_dl_entity *dl_se = &p->dl;
init_dl_task_timer(dl_se);
dl_se->dl_runtime = attr->sched_runtime;
dl_se->dl_deadline = attr->sched_deadline;
dl_se->dl_period = attr->sched_period ?: dl_se->dl_deadline;
dl_se->flags = attr->sched_flag... | +Info | 0 | __setparam_dl(struct task_struct *p, const struct sched_attr *attr)
{
struct sched_dl_entity *dl_se = &p->dl;
init_dl_task_timer(dl_se);
dl_se->dl_runtime = attr->sched_runtime;
dl_se->dl_deadline = attr->sched_deadline;
dl_se->dl_period = attr->sched_period ?: dl_se->dl_deadline;
dl_se->flags = attr->sched_flag... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,604 | static void __setscheduler(struct rq *rq, struct task_struct *p,
const struct sched_attr *attr)
{
int policy = attr->sched_policy;
if (policy == -1) /* setparam */
policy = p->policy;
p->policy = policy;
if (dl_policy(policy))
__setparam_dl(p, attr);
else if (fair_policy(policy))
p->static_prio = NI... | +Info | 0 | static void __setscheduler(struct rq *rq, struct task_struct *p,
const struct sched_attr *attr)
{
int policy = attr->sched_policy;
if (policy == -1) /* setparam */
policy = p->policy;
p->policy = policy;
if (dl_policy(policy))
__setparam_dl(p, attr);
else if (fair_policy(policy))
p->static_prio = NI... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,605 | static int _sched_setscheduler(struct task_struct *p, int policy,
const struct sched_param *param, bool check)
{
struct sched_attr attr = {
.sched_policy = policy,
.sched_priority = param->sched_priority,
.sched_nice = PRIO_TO_NICE(p->static_prio),
};
/*
* Fixup the legacy SCHED_RESET_ON_FORK ha... | +Info | 0 | static int _sched_setscheduler(struct task_struct *p, int policy,
const struct sched_param *param, bool check)
{
struct sched_attr attr = {
.sched_policy = policy,
.sched_priority = param->sched_priority,
.sched_nice = PRIO_TO_NICE(p->static_prio),
};
/*
* Fixup the legacy SCHED_RESET_ON_FORK ha... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,606 | int __weak arch_sd_sibling_asym_packing(void)
{
return 0*SD_ASYM_PACKING;
}
| +Info | 0 | int __weak arch_sd_sibling_asym_packing(void)
{
return 0*SD_ASYM_PACKING;
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,607 | build_overlap_sched_groups(struct sched_domain *sd, int cpu)
{
struct sched_group *first = NULL, *last = NULL, *groups = NULL, *sg;
const struct cpumask *span = sched_domain_span(sd);
struct cpumask *covered = sched_domains_tmpmask;
struct sd_data *sdd = sd->private;
struct sched_domain *child;
int i;
cpumask_c... | +Info | 0 | build_overlap_sched_groups(struct sched_domain *sd, int cpu)
{
struct sched_group *first = NULL, *last = NULL, *groups = NULL, *sg;
const struct cpumask *span = sched_domain_span(sd);
struct cpumask *covered = sched_domains_tmpmask;
struct sd_data *sdd = sd->private;
struct sched_domain *child;
int i;
cpumask_c... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,608 | struct sched_domain *build_sched_domain(struct sched_domain_topology_level *tl,
const struct cpumask *cpu_map, struct sched_domain_attr *attr,
struct sched_domain *child, int cpu)
{
struct sched_domain *sd = tl->init(tl, cpu);
if (!sd)
return child;
cpumask_and(sched_domain_span(sd), cpu_map, tl->mask(cpu));
... | +Info | 0 | struct sched_domain *build_sched_domain(struct sched_domain_topology_level *tl,
const struct cpumask *cpu_map, struct sched_domain_attr *attr,
struct sched_domain *child, int cpu)
{
struct sched_domain *sd = tl->init(tl, cpu);
if (!sd)
return child;
cpumask_and(sched_domain_span(sd), cpu_map, tl->mask(cpu));
... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,609 | static int build_sched_domains(const struct cpumask *cpu_map,
struct sched_domain_attr *attr)
{
enum s_alloc alloc_state;
struct sched_domain *sd;
struct s_data d;
int i, ret = -ENOMEM;
alloc_state = __visit_domain_allocation_hell(&d, cpu_map);
if (alloc_state != sa_rootdomain)
goto error;
/* Set u... | +Info | 0 | static int build_sched_domains(const struct cpumask *cpu_map,
struct sched_domain_attr *attr)
{
enum s_alloc alloc_state;
struct sched_domain *sd;
struct s_data d;
int i, ret = -ENOMEM;
alloc_state = __visit_domain_allocation_hell(&d, cpu_map);
if (alloc_state != sa_rootdomain)
goto error;
/* Set u... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,610 | static inline void check_class_changed(struct rq *rq, struct task_struct *p,
const struct sched_class *prev_class,
int oldprio)
{
if (prev_class != p->sched_class) {
if (prev_class->switched_from)
prev_class->switched_from(rq, p);
p->sched_class->switched_to(rq, p);
} else if (oldprio != ... | +Info | 0 | static inline void check_class_changed(struct rq *rq, struct task_struct *p,
const struct sched_class *prev_class,
int oldprio)
{
if (prev_class != p->sched_class) {
if (prev_class->switched_from)
prev_class->switched_from(rq, p);
p->sched_class->switched_to(rq, p);
} else if (oldprio != ... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,611 | void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags)
{
const struct sched_class *class;
if (p->sched_class == rq->curr->sched_class) {
rq->curr->sched_class->check_preempt_curr(rq, p, flags);
} else {
for_each_class(class) {
if (class == rq->curr->sched_class)
break;
if (class == p... | +Info | 0 | void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags)
{
const struct sched_class *class;
if (p->sched_class == rq->curr->sched_class) {
rq->curr->sched_class->check_preempt_curr(rq, p, flags);
} else {
for_each_class(class) {
if (class == rq->curr->sched_class)
break;
if (class == p... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,612 | static void claim_allocations(int cpu, struct sched_domain *sd)
{
struct sd_data *sdd = sd->private;
WARN_ON_ONCE(*per_cpu_ptr(sdd->sd, cpu) != sd);
*per_cpu_ptr(sdd->sd, cpu) = NULL;
if (atomic_read(&(*per_cpu_ptr(sdd->sg, cpu))->ref))
*per_cpu_ptr(sdd->sg, cpu) = NULL;
if (atomic_read(&(*per_cpu_ptr(sdd->sg... | +Info | 0 | static void claim_allocations(int cpu, struct sched_domain *sd)
{
struct sd_data *sdd = sd->private;
WARN_ON_ONCE(*per_cpu_ptr(sdd->sd, cpu) != sd);
*per_cpu_ptr(sdd->sd, cpu) = NULL;
if (atomic_read(&(*per_cpu_ptr(sdd->sg, cpu))->ref))
*per_cpu_ptr(sdd->sg, cpu) = NULL;
if (atomic_read(&(*per_cpu_ptr(sdd->sg... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,613 | context_switch(struct rq *rq, struct task_struct *prev,
struct task_struct *next)
{
struct mm_struct *mm, *oldmm;
prepare_task_switch(rq, prev, next);
mm = next->mm;
oldmm = prev->active_mm;
/*
* For paravirt, this is coupled with an exit in switch_to to
* combine the page table reload and the switch... | +Info | 0 | context_switch(struct rq *rq, struct task_struct *prev,
struct task_struct *next)
{
struct mm_struct *mm, *oldmm;
prepare_task_switch(rq, prev, next);
mm = next->mm;
oldmm = prev->active_mm;
/*
* For paravirt, this is coupled with an exit in switch_to to
* combine the page table reload and the switch... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,614 | static void cpu_cgroup_attach(struct cgroup_subsys_state *css,
struct cgroup_taskset *tset)
{
struct task_struct *task;
cgroup_taskset_for_each(task, css, tset)
sched_move_task(task);
}
| +Info | 0 | static void cpu_cgroup_attach(struct cgroup_subsys_state *css,
struct cgroup_taskset *tset)
{
struct task_struct *task;
cgroup_taskset_for_each(task, css, tset)
sched_move_task(task);
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,615 | static int cpu_cgroup_can_attach(struct cgroup_subsys_state *css,
struct cgroup_taskset *tset)
{
struct task_struct *task;
cgroup_taskset_for_each(task, css, tset) {
#ifdef CONFIG_RT_GROUP_SCHED
if (!sched_rt_can_attach(css_tg(css), task))
return -EINVAL;
#else
/* We don't support RT-tasks being in separ... | +Info | 0 | static int cpu_cgroup_can_attach(struct cgroup_subsys_state *css,
struct cgroup_taskset *tset)
{
struct task_struct *task;
cgroup_taskset_for_each(task, css, tset) {
#ifdef CONFIG_RT_GROUP_SCHED
if (!sched_rt_can_attach(css_tg(css), task))
return -EINVAL;
#else
/* We don't support RT-tasks being in separ... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,616 | static void cpu_cgroup_css_free(struct cgroup_subsys_state *css)
{
struct task_group *tg = css_tg(css);
sched_destroy_group(tg);
}
| +Info | 0 | static void cpu_cgroup_css_free(struct cgroup_subsys_state *css)
{
struct task_group *tg = css_tg(css);
sched_destroy_group(tg);
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,617 | static void cpu_cgroup_css_offline(struct cgroup_subsys_state *css)
{
struct task_group *tg = css_tg(css);
sched_offline_group(tg);
}
| +Info | 0 | static void cpu_cgroup_css_offline(struct cgroup_subsys_state *css)
{
struct task_group *tg = css_tg(css);
sched_offline_group(tg);
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,618 | static void cpu_cgroup_exit(struct cgroup_subsys_state *css,
struct cgroup_subsys_state *old_css,
struct task_struct *task)
{
/*
* cgroup_exit() is called in the copy_process() failure path.
* Ignore this case since the task hasn't ran yet, this avoids
* trying to poke a half freed task state from ... | +Info | 0 | static void cpu_cgroup_exit(struct cgroup_subsys_state *css,
struct cgroup_subsys_state *old_css,
struct task_struct *task)
{
/*
* cgroup_exit() is called in the copy_process() failure path.
* Ignore this case since the task hasn't ran yet, this avoids
* trying to poke a half freed task state from ... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,619 | static int cpuset_cpu_active(struct notifier_block *nfb, unsigned long action,
void *hcpu)
{
switch (action) {
case CPU_ONLINE_FROZEN:
case CPU_DOWN_FAILED_FROZEN:
/*
* num_cpus_frozen tracks how many CPUs are involved in suspend
* resume sequence. As long as this is not the last online
* operati... | +Info | 0 | static int cpuset_cpu_active(struct notifier_block *nfb, unsigned long action,
void *hcpu)
{
switch (action) {
case CPU_ONLINE_FROZEN:
case CPU_DOWN_FAILED_FROZEN:
/*
* num_cpus_frozen tracks how many CPUs are involved in suspend
* resume sequence. As long as this is not the last online
* operati... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,620 | static int cpuset_cpu_inactive(struct notifier_block *nfb, unsigned long action,
void *hcpu)
{
switch (action) {
case CPU_DOWN_PREPARE:
cpuset_update_active_cpus(false);
break;
case CPU_DOWN_PREPARE_FROZEN:
num_cpus_frozen++;
partition_sched_domains(1, NULL, NULL);
break;
default:
return NOTIF... | +Info | 0 | static int cpuset_cpu_inactive(struct notifier_block *nfb, unsigned long action,
void *hcpu)
{
switch (action) {
case CPU_DOWN_PREPARE:
cpuset_update_active_cpus(false);
break;
case CPU_DOWN_PREPARE_FROZEN:
num_cpus_frozen++;
partition_sched_domains(1, NULL, NULL);
break;
default:
return NOTIF... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,621 | static void dequeue_task(struct rq *rq, struct task_struct *p, int flags)
{
update_rq_clock(rq);
sched_info_dequeued(rq, p);
p->sched_class->dequeue_task(rq, p, flags);
}
| +Info | 0 | static void dequeue_task(struct rq *rq, struct task_struct *p, int flags)
{
update_rq_clock(rq);
sched_info_dequeued(rq, p);
p->sched_class->dequeue_task(rq, p, flags);
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,622 | static inline int dl_bw_cpus(int i)
{
struct root_domain *rd = cpu_rq(i)->rd;
int cpus = 0;
for_each_cpu_and(i, rd->span, cpu_active_mask)
cpus++;
return cpus;
}
| +Info | 0 | static inline int dl_bw_cpus(int i)
{
struct root_domain *rd = cpu_rq(i)->rd;
int cpus = 0;
for_each_cpu_and(i, rd->span, cpu_active_mask)
cpus++;
return cpus;
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,623 | static int dl_overflow(struct task_struct *p, int policy,
const struct sched_attr *attr)
{
struct dl_bw *dl_b = dl_bw_of(task_cpu(p));
u64 period = attr->sched_period ?: attr->sched_deadline;
u64 runtime = attr->sched_runtime;
u64 new_bw = dl_policy(policy) ? to_ratio(period, runtime) : 0;
int cpus, err ... | +Info | 0 | static int dl_overflow(struct task_struct *p, int policy,
const struct sched_attr *attr)
{
struct dl_bw *dl_b = dl_bw_of(task_cpu(p));
u64 period = attr->sched_period ?: attr->sched_deadline;
u64 runtime = attr->sched_runtime;
u64 new_bw = dl_policy(policy) ? to_ratio(period, runtime) : 0;
int cpus, err ... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,624 | void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask)
{
if (p->sched_class && p->sched_class->set_cpus_allowed)
p->sched_class->set_cpus_allowed(p, new_mask);
cpumask_copy(&p->cpus_allowed, new_mask);
p->nr_cpus_allowed = cpumask_weight(new_mask);
}
| +Info | 0 | void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask)
{
if (p->sched_class && p->sched_class->set_cpus_allowed)
p->sched_class->set_cpus_allowed(p, new_mask);
cpumask_copy(&p->cpus_allowed, new_mask);
p->nr_cpus_allowed = cpumask_weight(new_mask);
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,625 | static u64 do_task_delta_exec(struct task_struct *p, struct rq *rq)
{
u64 ns = 0;
if (task_current(rq, p)) {
update_rq_clock(rq);
ns = rq_clock_task(rq) - p->se.exec_start;
if ((s64)ns < 0)
ns = 0;
}
return ns;
}
| +Info | 0 | static u64 do_task_delta_exec(struct task_struct *p, struct rq *rq)
{
u64 ns = 0;
if (task_current(rq, p)) {
update_rq_clock(rq);
ns = rq_clock_task(rq) - p->se.exec_start;
if ((s64)ns < 0)
ns = 0;
}
return ns;
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,626 | static void enqueue_task(struct rq *rq, struct task_struct *p, int flags)
{
update_rq_clock(rq);
sched_info_queued(rq, p);
p->sched_class->enqueue_task(rq, p, flags);
}
| +Info | 0 | static void enqueue_task(struct rq *rq, struct task_struct *p, int flags)
{
update_rq_clock(rq);
sched_info_queued(rq, p);
p->sched_class->enqueue_task(rq, p, flags);
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,627 | static bool find_numa_distance(int distance)
{
int i;
if (distance == node_distance(0, 0))
return true;
for (i = 0; i < sched_domains_numa_levels; i++) {
if (sched_domains_numa_distance[i] == distance)
return true;
}
return false;
}
| +Info | 0 | static bool find_numa_distance(int distance)
{
int i;
if (distance == node_distance(0, 0))
return true;
for (i = 0; i < sched_domains_numa_levels; i++) {
if (sched_domains_numa_distance[i] == distance)
return true;
}
return false;
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,628 | static void fire_sched_in_preempt_notifiers(struct task_struct *curr)
{
struct preempt_notifier *notifier;
hlist_for_each_entry(notifier, &curr->preempt_notifiers, link)
notifier->ops->sched_in(notifier, raw_smp_processor_id());
}
| +Info | 0 | static void fire_sched_in_preempt_notifiers(struct task_struct *curr)
{
struct preempt_notifier *notifier;
hlist_for_each_entry(notifier, &curr->preempt_notifiers, link)
notifier->ops->sched_in(notifier, raw_smp_processor_id());
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,629 | fire_sched_out_preempt_notifiers(struct task_struct *curr,
struct task_struct *next)
{
struct preempt_notifier *notifier;
hlist_for_each_entry(notifier, &curr->preempt_notifiers, link)
notifier->ops->sched_out(notifier, next);
}
| +Info | 0 | fire_sched_out_preempt_notifiers(struct task_struct *curr,
struct task_struct *next)
{
struct preempt_notifier *notifier;
hlist_for_each_entry(notifier, &curr->preempt_notifiers, link)
notifier->ops->sched_out(notifier, next);
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,630 | static void free_sched_domain(struct rcu_head *rcu)
{
struct sched_domain *sd = container_of(rcu, struct sched_domain, rcu);
/*
* If its an overlapping domain it has private groups, iterate and
* nuke them all.
*/
if (sd->flags & SD_OVERLAP) {
free_sched_groups(sd->groups, 1);
} else if (atomic_dec_and_tes... | +Info | 0 | static void free_sched_domain(struct rcu_head *rcu)
{
struct sched_domain *sd = container_of(rcu, struct sched_domain, rcu);
/*
* If its an overlapping domain it has private groups, iterate and
* nuke them all.
*/
if (sd->flags & SD_OVERLAP) {
free_sched_groups(sd->groups, 1);
} else if (atomic_dec_and_tes... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,631 | static void free_sched_groups(struct sched_group *sg, int free_sgp)
{
struct sched_group *tmp, *first;
if (!sg)
return;
first = sg;
do {
tmp = sg->next;
if (free_sgp && atomic_dec_and_test(&sg->sgp->ref))
kfree(sg->sgp);
kfree(sg);
sg = tmp;
} while (sg != first);
}
| +Info | 0 | static void free_sched_groups(struct sched_group *sg, int free_sgp)
{
struct sched_group *tmp, *first;
if (!sg)
return;
first = sg;
do {
tmp = sg->next;
if (free_sgp && atomic_dec_and_test(&sg->sgp->ref))
kfree(sg->sgp);
kfree(sg);
sg = tmp;
} while (sg != first);
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,632 | void hrtick_start(struct rq *rq, u64 delay)
{
struct hrtimer *timer = &rq->hrtick_timer;
ktime_t time = ktime_add_ns(timer->base->get_time(), delay);
hrtimer_set_expires(timer, time);
if (rq == this_rq()) {
__hrtick_restart(rq);
} else if (!rq->hrtick_csd_pending) {
__smp_call_function_single(cpu_of(rq), &rq... | +Info | 0 | void hrtick_start(struct rq *rq, u64 delay)
{
struct hrtimer *timer = &rq->hrtick_timer;
ktime_t time = ktime_add_ns(timer->base->get_time(), delay);
hrtimer_set_expires(timer, time);
if (rq == this_rq()) {
__hrtick_restart(rq);
} else if (!rq->hrtick_csd_pending) {
__smp_call_function_single(cpu_of(rq), &rq... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,633 | void hrtick_start(struct rq *rq, u64 delay)
{
__hrtimer_start_range_ns(&rq->hrtick_timer, ns_to_ktime(delay), 0,
HRTIMER_MODE_REL_PINNED, 0);
}
| +Info | 0 | void hrtick_start(struct rq *rq, u64 delay)
{
__hrtimer_start_range_ns(&rq->hrtick_timer, ns_to_ktime(delay), 0,
HRTIMER_MODE_REL_PINNED, 0);
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,634 | void init_idle(struct task_struct *idle, int cpu)
{
struct rq *rq = cpu_rq(cpu);
unsigned long flags;
raw_spin_lock_irqsave(&rq->lock, flags);
__sched_fork(0, idle);
idle->state = TASK_RUNNING;
idle->se.exec_start = sched_clock();
do_set_cpus_allowed(idle, cpumask_of(cpu));
/*
* We're having a chicken and ... | +Info | 0 | void init_idle(struct task_struct *idle, int cpu)
{
struct rq *rq = cpu_rq(cpu);
unsigned long flags;
raw_spin_lock_irqsave(&rq->lock, flags);
__sched_fork(0, idle);
idle->state = TASK_RUNNING;
idle->se.exec_start = sched_clock();
do_set_cpus_allowed(idle, cpumask_of(cpu));
/*
* We're having a chicken and ... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,635 | static int init_rootdomain(struct root_domain *rd)
{
memset(rd, 0, sizeof(*rd));
if (!alloc_cpumask_var(&rd->span, GFP_KERNEL))
goto out;
if (!alloc_cpumask_var(&rd->online, GFP_KERNEL))
goto free_span;
if (!alloc_cpumask_var(&rd->dlo_mask, GFP_KERNEL))
goto free_online;
if (!alloc_cpumask_var(&rd->rto_mask... | +Info | 0 | static int init_rootdomain(struct root_domain *rd)
{
memset(rd, 0, sizeof(*rd));
if (!alloc_cpumask_var(&rd->span, GFP_KERNEL))
goto out;
if (!alloc_cpumask_var(&rd->online, GFP_KERNEL))
goto free_span;
if (!alloc_cpumask_var(&rd->dlo_mask, GFP_KERNEL))
goto free_online;
if (!alloc_cpumask_var(&rd->rto_mask... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,636 | static void init_sched_groups_power(int cpu, struct sched_domain *sd)
{
struct sched_group *sg = sd->groups;
WARN_ON(!sg);
do {
sg->group_weight = cpumask_weight(sched_group_cpus(sg));
sg = sg->next;
} while (sg != sd->groups);
if (cpu != group_balance_cpu(sg))
return;
update_group_power(sd, cpu);
atom... | +Info | 0 | static void init_sched_groups_power(int cpu, struct sched_domain *sd)
{
struct sched_group *sg = sd->groups;
WARN_ON(!sg);
do {
sg->group_weight = cpumask_weight(sched_group_cpus(sg));
sg = sg->next;
} while (sg != sd->groups);
if (cpu != group_balance_cpu(sg))
return;
update_group_power(sd, cpu);
atom... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,637 | static int migrate_swap_stop(void *data)
{
struct migration_swap_arg *arg = data;
struct rq *src_rq, *dst_rq;
int ret = -EAGAIN;
src_rq = cpu_rq(arg->src_cpu);
dst_rq = cpu_rq(arg->dst_cpu);
double_raw_lock(&arg->src_task->pi_lock,
&arg->dst_task->pi_lock);
double_rq_lock(src_rq, dst_rq);
if (task_cpu(arg-... | +Info | 0 | static int migrate_swap_stop(void *data)
{
struct migration_swap_arg *arg = data;
struct rq *src_rq, *dst_rq;
int ret = -EAGAIN;
src_rq = cpu_rq(arg->src_cpu);
dst_rq = cpu_rq(arg->dst_cpu);
double_raw_lock(&arg->src_task->pi_lock,
&arg->dst_task->pi_lock);
double_rq_lock(src_rq, dst_rq);
if (task_cpu(arg-... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,638 | void normalize_rt_tasks(void)
{
struct task_struct *g, *p;
unsigned long flags;
struct rq *rq;
read_lock_irqsave(&tasklist_lock, flags);
do_each_thread(g, p) {
/*
* Only normalize user tasks:
*/
if (!p->mm)
continue;
p->se.exec_start = 0;
#ifdef CONFIG_SCHEDSTATS
p->se.statistics.wait_start = 0... | +Info | 0 | void normalize_rt_tasks(void)
{
struct task_struct *g, *p;
unsigned long flags;
struct rq *rq;
read_lock_irqsave(&tasklist_lock, flags);
do_each_thread(g, p) {
/*
* Only normalize user tasks:
*/
if (!p->mm)
continue;
p->se.exec_start = 0;
#ifdef CONFIG_SCHEDSTATS
p->se.statistics.wait_start = 0... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,639 | static void normalize_task(struct rq *rq, struct task_struct *p)
{
const struct sched_class *prev_class = p->sched_class;
struct sched_attr attr = {
.sched_policy = SCHED_NORMAL,
};
int old_prio = p->prio;
int on_rq;
on_rq = p->on_rq;
if (on_rq)
dequeue_task(rq, p, 0);
__setscheduler(rq, p, &attr);
if (on... | +Info | 0 | static void normalize_task(struct rq *rq, struct task_struct *p)
{
const struct sched_class *prev_class = p->sched_class;
struct sched_attr attr = {
.sched_policy = SCHED_NORMAL,
};
int old_prio = p->prio;
int on_rq;
on_rq = p->on_rq;
if (on_rq)
dequeue_task(rq, p, 0);
__setscheduler(rq, p, &attr);
if (on... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,640 | void __kprobes preempt_count_add(int val)
{
#ifdef CONFIG_DEBUG_PREEMPT
/*
* Underflow?
*/
if (DEBUG_LOCKS_WARN_ON((preempt_count() < 0)))
return;
#endif
__preempt_count_add(val);
#ifdef CONFIG_DEBUG_PREEMPT
/*
* Spinlock count overflowing soon?
*/
DEBUG_LOCKS_WARN_ON((preempt_count() & PREEMPT_MASK) >=
... | +Info | 0 | void __kprobes preempt_count_add(int val)
{
#ifdef CONFIG_DEBUG_PREEMPT
/*
* Underflow?
*/
if (DEBUG_LOCKS_WARN_ON((preempt_count() < 0)))
return;
#endif
__preempt_count_add(val);
#ifdef CONFIG_DEBUG_PREEMPT
/*
* Spinlock count overflowing soon?
*/
DEBUG_LOCKS_WARN_ON((preempt_count() & PREEMPT_MASK) >=
... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,641 | void __kprobes preempt_count_sub(int val)
{
#ifdef CONFIG_DEBUG_PREEMPT
/*
* Underflow?
*/
if (DEBUG_LOCKS_WARN_ON(val > preempt_count()))
return;
/*
* Is the spinlock portion underflowing?
*/
if (DEBUG_LOCKS_WARN_ON((val < PREEMPT_MASK) &&
!(preempt_count() & PREEMPT_MASK)))
return;
#endif
if (pre... | +Info | 0 | void __kprobes preempt_count_sub(int val)
{
#ifdef CONFIG_DEBUG_PREEMPT
/*
* Underflow?
*/
if (DEBUG_LOCKS_WARN_ON(val > preempt_count()))
return;
/*
* Is the spinlock portion underflowing?
*/
if (DEBUG_LOCKS_WARN_ON((val < PREEMPT_MASK) &&
!(preempt_count() & PREEMPT_MASK)))
return;
#endif
if (pre... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,642 | asmlinkage void __sched notrace preempt_schedule(void)
{
/*
* If there is a non-zero preempt_count or interrupts are disabled,
* we do not want to preempt the current task. Just return..
*/
if (likely(!preemptible()))
return;
do {
__preempt_count_add(PREEMPT_ACTIVE);
__schedule();
__preempt_count_sub(... | +Info | 0 | asmlinkage void __sched notrace preempt_schedule(void)
{
/*
* If there is a non-zero preempt_count or interrupts are disabled,
* we do not want to preempt the current task. Just return..
*/
if (likely(!preemptible()))
return;
do {
__preempt_count_add(PREEMPT_ACTIVE);
__schedule();
__preempt_count_sub(... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,643 | asmlinkage void __sched preempt_schedule_irq(void)
{
enum ctx_state prev_state;
/* Catch callers which need to be fixed */
BUG_ON(preempt_count() || !irqs_disabled());
prev_state = exception_enter();
do {
__preempt_count_add(PREEMPT_ACTIVE);
local_irq_enable();
__schedule();
local_irq_disable();
__pre... | +Info | 0 | asmlinkage void __sched preempt_schedule_irq(void)
{
enum ctx_state prev_state;
/* Catch callers which need to be fixed */
BUG_ON(preempt_count() || !irqs_disabled());
prev_state = exception_enter();
do {
__preempt_count_add(PREEMPT_ACTIVE);
local_irq_enable();
__schedule();
local_irq_disable();
__pre... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,644 | void resched_cpu(int cpu)
{
struct rq *rq = cpu_rq(cpu);
unsigned long flags;
if (!raw_spin_trylock_irqsave(&rq->lock, flags))
return;
resched_task(cpu_curr(cpu));
raw_spin_unlock_irqrestore(&rq->lock, flags);
}
| +Info | 0 | void resched_cpu(int cpu)
{
struct rq *rq = cpu_rq(cpu);
unsigned long flags;
if (!raw_spin_trylock_irqsave(&rq->lock, flags))
return;
resched_task(cpu_curr(cpu));
raw_spin_unlock_irqrestore(&rq->lock, flags);
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,645 | void resched_task(struct task_struct *p)
{
int cpu;
lockdep_assert_held(&task_rq(p)->lock);
if (test_tsk_need_resched(p))
return;
set_tsk_need_resched(p);
cpu = task_cpu(p);
if (cpu == smp_processor_id()) {
set_preempt_need_resched();
return;
}
/* NEED_RESCHED must be visible before we test polling *... | +Info | 0 | void resched_task(struct task_struct *p)
{
int cpu;
lockdep_assert_held(&task_rq(p)->lock);
if (test_tsk_need_resched(p))
return;
set_tsk_need_resched(p);
cpu = task_cpu(p);
if (cpu == smp_processor_id()) {
set_preempt_need_resched();
return;
}
/* NEED_RESCHED must be visible before we test polling *... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,646 | void rt_mutex_setprio(struct task_struct *p, int prio)
{
int oldprio, on_rq, running, enqueue_flag = 0;
struct rq *rq;
const struct sched_class *prev_class;
BUG_ON(prio > MAX_PRIO);
rq = __task_rq_lock(p);
/*
* Idle task boosting is a nono in general. There is one
* exception, when PREEMPT_RT and NOHZ is a... | +Info | 0 | void rt_mutex_setprio(struct task_struct *p, int prio)
{
int oldprio, on_rq, running, enqueue_flag = 0;
struct rq *rq;
const struct sched_class *prev_class;
BUG_ON(prio > MAX_PRIO);
rq = __task_rq_lock(p);
/*
* Idle task boosting is a nono in general. There is one
* exception, when PREEMPT_RT and NOHZ is a... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,647 | bool sched_can_stop_tick(void)
{
struct rq *rq;
rq = this_rq();
/* Make sure rq->nr_running update is visible after the IPI */
smp_rmb();
/* More than one running task need preemption */
if (rq->nr_running > 1)
return false;
return true;
}
| +Info | 0 | bool sched_can_stop_tick(void)
{
struct rq *rq;
rq = this_rq();
/* Make sure rq->nr_running update is visible after the IPI */
smp_rmb();
/* More than one running task need preemption */
if (rq->nr_running > 1)
return false;
return true;
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,648 | static int sched_copy_attr(struct sched_attr __user *uattr,
struct sched_attr *attr)
{
u32 size;
int ret;
if (!access_ok(VERIFY_WRITE, uattr, SCHED_ATTR_SIZE_VER0))
return -EFAULT;
/*
* zero the full structure, so that a short copy will be nice.
*/
memset(attr, 0, sizeof(*attr));
ret = get_user(siz... | +Info | 0 | static int sched_copy_attr(struct sched_attr __user *uattr,
struct sched_attr *attr)
{
u32 size;
int ret;
if (!access_ok(VERIFY_WRITE, uattr, SCHED_ATTR_SIZE_VER0))
return -EFAULT;
/*
* zero the full structure, so that a short copy will be nice.
*/
memset(attr, 0, sizeof(*attr));
ret = get_user(siz... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,649 | static int sched_cpu_inactive(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{
unsigned long flags;
long cpu = (long)hcpu;
switch (action & ~CPU_TASKS_FROZEN) {
case CPU_DOWN_PREPARE:
set_cpu_active(cpu, false);
/* explicitly allow suspend */
if (!(action & CPU_TASKS_FROZEN)) {
struct... | +Info | 0 | static int sched_cpu_inactive(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{
unsigned long flags;
long cpu = (long)hcpu;
switch (action & ~CPU_TASKS_FROZEN) {
case CPU_DOWN_PREPARE:
set_cpu_active(cpu, false);
/* explicitly allow suspend */
if (!(action & CPU_TASKS_FROZEN)) {
struct... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,650 | struct task_group *sched_create_group(struct task_group *parent)
{
struct task_group *tg;
tg = kzalloc(sizeof(*tg), GFP_KERNEL);
if (!tg)
return ERR_PTR(-ENOMEM);
if (!alloc_fair_sched_group(tg, parent))
goto err;
if (!alloc_rt_sched_group(tg, parent))
goto err;
return tg;
err:
free_sched_group(tg);
... | +Info | 0 | struct task_group *sched_create_group(struct task_group *parent)
{
struct task_group *tg;
tg = kzalloc(sizeof(*tg), GFP_KERNEL);
if (!tg)
return ERR_PTR(-ENOMEM);
if (!alloc_fair_sched_group(tg, parent))
goto err;
if (!alloc_rt_sched_group(tg, parent))
goto err;
return tg;
err:
free_sched_group(tg);
... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,651 | static int sched_dl_global_constraints(void)
{
u64 runtime = global_rt_runtime();
u64 period = global_rt_period();
u64 new_bw = to_ratio(period, runtime);
int cpu, ret = 0;
unsigned long flags;
/*
* Here we want to check the bandwidth not being set to some
* value smaller than the currently allocated bandwid... | +Info | 0 | static int sched_dl_global_constraints(void)
{
u64 runtime = global_rt_runtime();
u64 period = global_rt_period();
u64 new_bw = to_ratio(period, runtime);
int cpu, ret = 0;
unsigned long flags;
/*
* Here we want to check the bandwidth not being set to some
* value smaller than the currently allocated bandwid... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,652 | static void sched_domains_numa_masks_clear(int cpu)
{
int i, j;
for (i = 0; i < sched_domains_numa_levels; i++) {
for (j = 0; j < nr_node_ids; j++)
cpumask_clear_cpu(cpu, sched_domains_numa_masks[i][j]);
}
}
| +Info | 0 | static void sched_domains_numa_masks_clear(int cpu)
{
int i, j;
for (i = 0; i < sched_domains_numa_levels; i++) {
for (j = 0; j < nr_node_ids; j++)
cpumask_clear_cpu(cpu, sched_domains_numa_masks[i][j]);
}
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,653 | static void sched_domains_numa_masks_set(int cpu)
{
int i, j;
int node = cpu_to_node(cpu);
for (i = 0; i < sched_domains_numa_levels; i++) {
for (j = 0; j < nr_node_ids; j++) {
if (node_distance(j, node) <= sched_domains_numa_distance[i])
cpumask_set_cpu(cpu, sched_domains_numa_masks[i][j]);
}
}
}
| +Info | 0 | static void sched_domains_numa_masks_set(int cpu)
{
int i, j;
int node = cpu_to_node(cpu);
for (i = 0; i < sched_domains_numa_levels; i++) {
for (j = 0; j < nr_node_ids; j++) {
if (node_distance(j, node) <= sched_domains_numa_distance[i])
cpumask_set_cpu(cpu, sched_domains_numa_masks[i][j]);
}
}
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,654 | static int sched_domains_numa_masks_update(struct notifier_block *nfb,
unsigned long action,
void *hcpu)
{
return 0;
}
| +Info | 0 | static int sched_domains_numa_masks_update(struct notifier_block *nfb,
unsigned long action,
void *hcpu)
{
return 0;
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,655 | static void sched_feat_disable(int i) { };
| +Info | 0 | static void sched_feat_disable(int i) { };
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,656 | static int sched_feat_set(char *cmp)
{
int i;
int neg = 0;
if (strncmp(cmp, "NO_", 3) == 0) {
neg = 1;
cmp += 3;
}
for (i = 0; i < __SCHED_FEAT_NR; i++) {
if (strcmp(cmp, sched_feat_names[i]) == 0) {
if (neg) {
sysctl_sched_features &= ~(1UL << i);
sched_feat_disable(i);
} else {
sysctl_s... | +Info | 0 | static int sched_feat_set(char *cmp)
{
int i;
int neg = 0;
if (strncmp(cmp, "NO_", 3) == 0) {
neg = 1;
cmp += 3;
}
for (i = 0; i < __SCHED_FEAT_NR; i++) {
if (strcmp(cmp, sched_feat_names[i]) == 0) {
if (neg) {
sysctl_sched_features &= ~(1UL << i);
sched_feat_disable(i);
} else {
sysctl_s... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,657 | static int sched_feat_show(struct seq_file *m, void *v)
{
int i;
for (i = 0; i < __SCHED_FEAT_NR; i++) {
if (!(sysctl_sched_features & (1UL << i)))
seq_puts(m, "NO_");
seq_printf(m, "%s ", sched_feat_names[i]);
}
seq_puts(m, "\n");
return 0;
}
| +Info | 0 | static int sched_feat_show(struct seq_file *m, void *v)
{
int i;
for (i = 0; i < __SCHED_FEAT_NR; i++) {
if (!(sysctl_sched_features & (1UL << i)))
seq_puts(m, "NO_");
seq_printf(m, "%s ", sched_feat_names[i]);
}
seq_puts(m, "\n");
return 0;
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,658 | sched_feat_write(struct file *filp, const char __user *ubuf,
size_t cnt, loff_t *ppos)
{
char buf[64];
char *cmp;
int i;
if (cnt > 63)
cnt = 63;
if (copy_from_user(&buf, ubuf, cnt))
return -EFAULT;
buf[cnt] = 0;
cmp = strstrip(buf);
i = sched_feat_set(cmp);
if (i == __SCHED_FEAT_NR)
return -EINVAL;... | +Info | 0 | sched_feat_write(struct file *filp, const char __user *ubuf,
size_t cnt, loff_t *ppos)
{
char buf[64];
char *cmp;
int i;
if (cnt > 63)
cnt = 63;
if (copy_from_user(&buf, ubuf, cnt))
return -EFAULT;
buf[cnt] = 0;
cmp = strstrip(buf);
i = sched_feat_set(cmp);
if (i == __SCHED_FEAT_NR)
return -EINVAL;... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,659 | int sched_fork(unsigned long clone_flags, struct task_struct *p)
{
unsigned long flags;
int cpu = get_cpu();
__sched_fork(clone_flags, p);
/*
* We mark the process as running here. This guarantees that
* nobody will actually run it, and a signal or other external
* event cannot wake it up and insert it on th... | +Info | 0 | int sched_fork(unsigned long clone_flags, struct task_struct *p)
{
unsigned long flags;
int cpu = get_cpu();
__sched_fork(clone_flags, p);
/*
* We mark the process as running here. This guarantees that
* nobody will actually run it, and a signal or other external
* event cannot wake it up and insert it on th... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,660 | static int sched_group_set_rt_period(struct task_group *tg, long rt_period_us)
{
u64 rt_runtime, rt_period;
rt_period = (u64)rt_period_us * NSEC_PER_USEC;
rt_runtime = tg->rt_bandwidth.rt_runtime;
if (rt_period == 0)
return -EINVAL;
return tg_set_rt_bandwidth(tg, rt_period, rt_runtime);
}
| +Info | 0 | static int sched_group_set_rt_period(struct task_group *tg, long rt_period_us)
{
u64 rt_runtime, rt_period;
rt_period = (u64)rt_period_us * NSEC_PER_USEC;
rt_runtime = tg->rt_bandwidth.rt_runtime;
if (rt_period == 0)
return -EINVAL;
return tg_set_rt_bandwidth(tg, rt_period, rt_runtime);
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,661 | void __init sched_init(void)
{
int i, j;
unsigned long alloc_size = 0, ptr;
#ifdef CONFIG_FAIR_GROUP_SCHED
alloc_size += 2 * nr_cpu_ids * sizeof(void **);
#endif
#ifdef CONFIG_RT_GROUP_SCHED
alloc_size += 2 * nr_cpu_ids * sizeof(void **);
#endif
#ifdef CONFIG_CPUMASK_OFFSTACK
alloc_size += num_possible_cpus() * c... | +Info | 0 | void __init sched_init(void)
{
int i, j;
unsigned long alloc_size = 0, ptr;
#ifdef CONFIG_FAIR_GROUP_SCHED
alloc_size += 2 * nr_cpu_ids * sizeof(void **);
#endif
#ifdef CONFIG_RT_GROUP_SCHED
alloc_size += 2 * nr_cpu_ids * sizeof(void **);
#endif
#ifdef CONFIG_CPUMASK_OFFSTACK
alloc_size += num_possible_cpus() * c... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,662 | static void sched_init_numa(void)
{
int next_distance, curr_distance = node_distance(0, 0);
struct sched_domain_topology_level *tl;
int level = 0;
int i, j, k;
sched_domains_numa_distance = kzalloc(sizeof(int) * nr_node_ids, GFP_KERNEL);
if (!sched_domains_numa_distance)
return;
/*
* O(nr_nodes^2) deduplic... | +Info | 0 | static void sched_init_numa(void)
{
int next_distance, curr_distance = node_distance(0, 0);
struct sched_domain_topology_level *tl;
int level = 0;
int i, j, k;
sched_domains_numa_distance = kzalloc(sizeof(int) * nr_node_ids, GFP_KERNEL);
if (!sched_domains_numa_distance)
return;
/*
* O(nr_nodes^2) deduplic... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,663 | static inline void sched_init_numa(void)
{
}
| +Info | 0 | static inline void sched_init_numa(void)
{
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,664 | void sched_move_task(struct task_struct *tsk)
{
struct task_group *tg;
int on_rq, running;
unsigned long flags;
struct rq *rq;
rq = task_rq_lock(tsk, &flags);
running = task_current(rq, tsk);
on_rq = tsk->on_rq;
if (on_rq)
dequeue_task(rq, tsk, 0);
if (unlikely(running))
tsk->sched_class->put_prev_task(... | +Info | 0 | void sched_move_task(struct task_struct *tsk)
{
struct task_group *tg;
int on_rq, running;
unsigned long flags;
struct rq *rq;
rq = task_rq_lock(tsk, &flags);
running = task_current(rq, tsk);
on_rq = tsk->on_rq;
if (on_rq)
dequeue_task(rq, tsk, 0);
if (unlikely(running))
tsk->sched_class->put_prev_task(... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,665 | void sched_offline_group(struct task_group *tg)
{
unsigned long flags;
int i;
/* end participation in shares distribution */
for_each_possible_cpu(i)
unregister_fair_sched_group(tg, i);
spin_lock_irqsave(&task_group_lock, flags);
list_del_rcu(&tg->list);
list_del_rcu(&tg->siblings);
spin_unlock_irqrestore(&... | +Info | 0 | void sched_offline_group(struct task_group *tg)
{
unsigned long flags;
int i;
/* end participation in shares distribution */
for_each_possible_cpu(i)
unregister_fair_sched_group(tg, i);
spin_lock_irqsave(&task_group_lock, flags);
list_del_rcu(&tg->list);
list_del_rcu(&tg->siblings);
spin_unlock_irqrestore(&... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,666 | static int sched_rt_global_constraints(void)
{
unsigned long flags;
int i, ret = 0;
raw_spin_lock_irqsave(&def_rt_bandwidth.rt_runtime_lock, flags);
for_each_possible_cpu(i) {
struct rt_rq *rt_rq = &cpu_rq(i)->rt;
raw_spin_lock(&rt_rq->rt_runtime_lock);
rt_rq->rt_runtime = global_rt_runtime();
raw_spin_un... | +Info | 0 | static int sched_rt_global_constraints(void)
{
unsigned long flags;
int i, ret = 0;
raw_spin_lock_irqsave(&def_rt_bandwidth.rt_runtime_lock, flags);
for_each_possible_cpu(i) {
struct rt_rq *rt_rq = &cpu_rq(i)->rt;
raw_spin_lock(&rt_rq->rt_runtime_lock);
rt_rq->rt_runtime = global_rt_runtime();
raw_spin_un... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,667 | int sched_rt_handler(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp,
loff_t *ppos)
{
int old_period, old_runtime;
static DEFINE_MUTEX(mutex);
int ret;
mutex_lock(&mutex);
old_period = sysctl_sched_rt_period;
old_runtime = sysctl_sched_rt_runtime;
ret = proc_dointvec(table, write, buf... | +Info | 0 | int sched_rt_handler(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp,
loff_t *ppos)
{
int old_period, old_runtime;
static DEFINE_MUTEX(mutex);
int ret;
mutex_lock(&mutex);
old_period = sysctl_sched_rt_period;
old_runtime = sysctl_sched_rt_runtime;
ret = proc_dointvec(table, write, buf... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,668 | long sched_setaffinity(pid_t pid, const struct cpumask *in_mask)
{
cpumask_var_t cpus_allowed, new_mask;
struct task_struct *p;
int retval;
rcu_read_lock();
p = find_process_by_pid(pid);
if (!p) {
rcu_read_unlock();
return -ESRCH;
}
/* Prevent p going away */
get_task_struct(p);
rcu_read_unlock();
if... | +Info | 0 | long sched_setaffinity(pid_t pid, const struct cpumask *in_mask)
{
cpumask_var_t cpus_allowed, new_mask;
struct task_struct *p;
int retval;
rcu_read_lock();
p = find_process_by_pid(pid);
if (!p) {
rcu_read_unlock();
return -ESRCH;
}
/* Prevent p going away */
get_task_struct(p);
rcu_read_unlock();
if... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,669 | void sched_setnuma(struct task_struct *p, int nid)
{
struct rq *rq;
unsigned long flags;
bool on_rq, running;
rq = task_rq_lock(p, &flags);
on_rq = p->on_rq;
running = task_current(rq, p);
if (on_rq)
dequeue_task(rq, p, 0);
if (running)
p->sched_class->put_prev_task(rq, p);
p->numa_preferred_nid = nid;
... | +Info | 0 | void sched_setnuma(struct task_struct *p, int nid)
{
struct rq *rq;
unsigned long flags;
bool on_rq, running;
rq = task_rq_lock(p, &flags);
on_rq = p->on_rq;
running = task_current(rq, p);
if (on_rq)
dequeue_task(rq, p, 0);
if (running)
p->sched_class->put_prev_task(rq, p);
p->numa_preferred_nid = nid;
... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,670 | void sched_show_task(struct task_struct *p)
{
unsigned long free = 0;
int ppid;
unsigned state;
state = p->state ? __ffs(p->state) + 1 : 0;
printk(KERN_INFO "%-15.15s %c", p->comm,
state < sizeof(stat_nam) - 1 ? stat_nam[state] : '?');
#if BITS_PER_LONG == 32
if (state == TASK_RUNNING)
printk(KERN_CONT " run... | +Info | 0 | void sched_show_task(struct task_struct *p)
{
unsigned long free = 0;
int ppid;
unsigned state;
state = p->state ? __ffs(p->state) + 1 : 0;
printk(KERN_INFO "%-15.15s %c", p->comm,
state < sizeof(stat_nam) - 1 ? stat_nam[state] : '?');
#if BITS_PER_LONG == 32
if (state == TASK_RUNNING)
printk(KERN_CONT " run... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,671 | static void sched_ttwu_pending(void)
{
struct rq *rq = this_rq();
struct llist_node *llist = llist_del_all(&rq->wake_list);
struct task_struct *p;
raw_spin_lock(&rq->lock);
while (llist) {
p = llist_entry(llist, struct task_struct, wake_entry);
llist = llist_next(llist);
ttwu_do_activate(rq, p, 0);
}
ra... | +Info | 0 | static void sched_ttwu_pending(void)
{
struct rq *rq = this_rq();
struct llist_node *llist = llist_del_all(&rq->wake_list);
struct task_struct *p;
raw_spin_lock(&rq->lock);
while (llist) {
p = llist_entry(llist, struct task_struct, wake_entry);
llist = llist_next(llist);
ttwu_do_activate(rq, p, 0);
}
ra... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,672 | asmlinkage void __sched schedule(void)
{
struct task_struct *tsk = current;
sched_submit_work(tsk);
__schedule();
}
| +Info | 0 | asmlinkage void __sched schedule(void)
{
struct task_struct *tsk = current;
sched_submit_work(tsk);
__schedule();
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,673 | void scheduler_ipi(void)
{
/*
* Fold TIF_NEED_RESCHED into the preempt_count; anybody setting
* TIF_NEED_RESCHED remotely (for the first time) will also send
* this IPI.
*/
preempt_fold_need_resched();
if (llist_empty(&this_rq()->wake_list)
&& !tick_nohz_full_cpu(smp_processor_id())
&& !got_nohz_idle_... | +Info | 0 | void scheduler_ipi(void)
{
/*
* Fold TIF_NEED_RESCHED into the preempt_count; anybody setting
* TIF_NEED_RESCHED remotely (for the first time) will also send
* this IPI.
*/
preempt_fold_need_resched();
if (llist_empty(&this_rq()->wake_list)
&& !tick_nohz_full_cpu(smp_processor_id())
&& !got_nohz_idle_... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,674 | void scheduler_tick(void)
{
int cpu = smp_processor_id();
struct rq *rq = cpu_rq(cpu);
struct task_struct *curr = rq->curr;
sched_clock_tick();
raw_spin_lock(&rq->lock);
update_rq_clock(rq);
curr->sched_class->task_tick(rq, curr, 0);
update_cpu_load_active(rq);
raw_spin_unlock(&rq->lock);
perf_event_task_t... | +Info | 0 | void scheduler_tick(void)
{
int cpu = smp_processor_id();
struct rq *rq = cpu_rq(cpu);
struct task_struct *curr = rq->curr;
sched_clock_tick();
raw_spin_lock(&rq->lock);
update_rq_clock(rq);
curr->sched_class->task_tick(rq, curr, 0);
update_cpu_load_active(rq);
raw_spin_unlock(&rq->lock);
perf_event_task_t... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,675 | u64 scheduler_tick_max_deferment(void)
{
struct rq *rq = this_rq();
unsigned long next, now = ACCESS_ONCE(jiffies);
next = rq->last_sched_tick + HZ;
if (time_before_eq(next, now))
return 0;
return jiffies_to_nsecs(next - now);
}
| +Info | 0 | u64 scheduler_tick_max_deferment(void)
{
struct rq *rq = this_rq();
unsigned long next, now = ACCESS_ONCE(jiffies);
next = rq->last_sched_tick + HZ;
if (time_before_eq(next, now))
return 0;
return jiffies_to_nsecs(next - now);
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,676 | sd_alloc_ctl_domain_table(struct sched_domain *sd)
{
struct ctl_table *table = sd_alloc_ctl_entry(13);
if (table == NULL)
return NULL;
set_table_entry(&table[0], "min_interval", &sd->min_interval,
sizeof(long), 0644, proc_doulongvec_minmax, false);
set_table_entry(&table[1], "max_interval", &sd->max_interval,... | +Info | 0 | sd_alloc_ctl_domain_table(struct sched_domain *sd)
{
struct ctl_table *table = sd_alloc_ctl_entry(13);
if (table == NULL)
return NULL;
set_table_entry(&table[0], "min_interval", &sd->min_interval,
sizeof(long), 0644, proc_doulongvec_minmax, false);
set_table_entry(&table[1], "max_interval", &sd->max_interval,... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,677 | static inline int sd_local_flags(int level)
{
if (sched_domains_numa_distance[level] > RECLAIM_DISTANCE)
return 0;
return SD_BALANCE_EXEC | SD_BALANCE_FORK | SD_WAKE_AFFINE;
}
| +Info | 0 | static inline int sd_local_flags(int level)
{
if (sched_domains_numa_distance[level] > RECLAIM_DISTANCE)
return 0;
return SD_BALANCE_EXEC | SD_BALANCE_FORK | SD_WAKE_AFFINE;
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,678 | sd_numa_init(struct sched_domain_topology_level *tl, int cpu)
{
struct sched_domain *sd = *per_cpu_ptr(tl->data.sd, cpu);
int level = tl->numa_level;
int sd_weight = cpumask_weight(
sched_domains_numa_masks[level][cpu_to_node(cpu)]);
*sd = (struct sched_domain){
.min_interval = sd_weight,
.max_interval = ... | +Info | 0 | sd_numa_init(struct sched_domain_topology_level *tl, int cpu)
{
struct sched_domain *sd = *per_cpu_ptr(tl->data.sd, cpu);
int level = tl->numa_level;
int sd_weight = cpumask_weight(
sched_domains_numa_masks[level][cpu_to_node(cpu)]);
*sd = (struct sched_domain){
.min_interval = sd_weight,
.max_interval = ... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,679 | sd_parent_degenerate(struct sched_domain *sd, struct sched_domain *parent)
{
unsigned long cflags = sd->flags, pflags = parent->flags;
if (sd_degenerate(parent))
return 1;
if (!cpumask_equal(sched_domain_span(sd), sched_domain_span(parent)))
return 0;
/* Flags needing groups don't count if only 1 group in pa... | +Info | 0 | sd_parent_degenerate(struct sched_domain *sd, struct sched_domain *parent)
{
unsigned long cflags = sd->flags, pflags = parent->flags;
if (sd_degenerate(parent))
return 1;
if (!cpumask_equal(sched_domain_span(sd), sched_domain_span(parent)))
return 0;
/* Flags needing groups don't count if only 1 group in pa... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,680 | static int select_fallback_rq(int cpu, struct task_struct *p)
{
int nid = cpu_to_node(cpu);
const struct cpumask *nodemask = NULL;
enum { cpuset, possible, fail } state = cpuset;
int dest_cpu;
/*
* If the node that the cpu is on has been offlined, cpu_to_node()
* will return -1. There is no cpu on the node, a... | +Info | 0 | static int select_fallback_rq(int cpu, struct task_struct *p)
{
int nid = cpu_to_node(cpu);
const struct cpumask *nodemask = NULL;
enum { cpuset, possible, fail } state = cpuset;
int dest_cpu;
/*
* If the node that the cpu is on has been offlined, cpu_to_node()
* will return -1. There is no cpu on the node, a... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,681 | int select_task_rq(struct task_struct *p, int cpu, int sd_flags, int wake_flags)
{
cpu = p->sched_class->select_task_rq(p, cpu, sd_flags, wake_flags);
/*
* In order not to call set_task_cpu() on a blocking task we need
* to rely on ttwu() to place the task on a valid ->cpus_allowed
* cpu.
*
* Since this is... | +Info | 0 | int select_task_rq(struct task_struct *p, int cpu, int sd_flags, int wake_flags)
{
cpu = p->sched_class->select_task_rq(p, cpu, sd_flags, wake_flags);
/*
* In order not to call set_task_cpu() on a blocking task we need
* to rely on ttwu() to place the task on a valid ->cpus_allowed
* cpu.
*
* Since this is... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,682 | int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask)
{
unsigned long flags;
struct rq *rq;
unsigned int dest_cpu;
int ret = 0;
rq = task_rq_lock(p, &flags);
if (cpumask_equal(&p->cpus_allowed, new_mask))
goto out;
if (!cpumask_intersects(new_mask, cpu_active_mask)) {
ret = -EINV... | +Info | 0 | int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask)
{
unsigned long flags;
struct rq *rq;
unsigned int dest_cpu;
int ret = 0;
rq = task_rq_lock(p, &flags);
if (cpumask_equal(&p->cpus_allowed, new_mask))
goto out;
if (!cpumask_intersects(new_mask, cpu_active_mask)) {
ret = -EINV... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,683 | void set_numabalancing_state(bool enabled)
{
if (enabled)
sched_feat_set("NUMA");
else
sched_feat_set("NO_NUMA");
}
| +Info | 0 | void set_numabalancing_state(bool enabled)
{
if (enabled)
sched_feat_set("NUMA");
else
sched_feat_set("NO_NUMA");
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,684 | void set_numabalancing_state(bool enabled)
{
numabalancing_enabled = enabled;
}
| +Info | 0 | void set_numabalancing_state(bool enabled)
{
numabalancing_enabled = enabled;
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,685 | set_table_entry(struct ctl_table *entry,
const char *procname, void *data, int maxlen,
umode_t mode, proc_handler *proc_handler,
bool load_idx)
{
entry->procname = procname;
entry->data = data;
entry->maxlen = maxlen;
entry->mode = mode;
entry->proc_handler = proc_handler;
if (load_idx) {
entry->extra1 =... | +Info | 0 | set_table_entry(struct ctl_table *entry,
const char *procname, void *data, int maxlen,
umode_t mode, proc_handler *proc_handler,
bool load_idx)
{
entry->procname = procname;
entry->data = data;
entry->maxlen = maxlen;
entry->mode = mode;
entry->proc_handler = proc_handler;
if (load_idx) {
entry->extra1 =... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,686 | void set_task_cpu(struct task_struct *p, unsigned int new_cpu)
{
#ifdef CONFIG_SCHED_DEBUG
/*
* We should never call set_task_cpu() on a blocked task,
* ttwu() will sort out the placement.
*/
WARN_ON_ONCE(p->state != TASK_RUNNING && p->state != TASK_WAKING &&
!(task_preempt_count(p) & PREEMPT_ACTIVE));
#ifd... | +Info | 0 | void set_task_cpu(struct task_struct *p, unsigned int new_cpu)
{
#ifdef CONFIG_SCHED_DEBUG
/*
* We should never call set_task_cpu() on a blocked task,
* ttwu() will sort out the placement.
*/
WARN_ON_ONCE(p->state != TASK_RUNNING && p->state != TASK_WAKING &&
!(task_preempt_count(p) & PREEMPT_ACTIVE));
#ifd... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,687 | void set_user_nice(struct task_struct *p, long nice)
{
int old_prio, delta, on_rq;
unsigned long flags;
struct rq *rq;
if (TASK_NICE(p) == nice || nice < -20 || nice > 19)
return;
/*
* We have to be careful, if called from sys_setpriority(),
* the task might be in the middle of scheduling on another CPU.
... | +Info | 0 | void set_user_nice(struct task_struct *p, long nice)
{
int old_prio, delta, on_rq;
unsigned long flags;
struct rq *rq;
if (TASK_NICE(p) == nice || nice < -20 || nice > 19)
return;
/*
* We have to be careful, if called from sys_setpriority(),
* the task might be in the middle of scheduling on another CPU.
... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,688 | void show_state_filter(unsigned long state_filter)
{
struct task_struct *g, *p;
#if BITS_PER_LONG == 32
printk(KERN_INFO
" task PC stack pid father\n");
#else
printk(KERN_INFO
" task PC stack pid father\n");
#endif
rcu_read_lock();
do_each_thread(g, p) {
/*
* r... | +Info | 0 | void show_state_filter(unsigned long state_filter)
{
struct task_struct *g, *p;
#if BITS_PER_LONG == 32
printk(KERN_INFO
" task PC stack pid father\n");
#else
printk(KERN_INFO
" task PC stack pid father\n");
#endif
rcu_read_lock();
do_each_thread(g, p) {
/*
* r... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,689 | int sysctl_numa_balancing(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table t;
int err;
int state = numabalancing_enabled;
if (write && !capable(CAP_SYS_ADMIN))
return -EPERM;
t = *table;
t.data = &state;
err = proc_dointvec_minmax(&t, write, buffer, ... | +Info | 0 | int sysctl_numa_balancing(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
struct ctl_table t;
int err;
int state = numabalancing_enabled;
if (write && !capable(CAP_SYS_ADMIN))
return -EPERM;
t = *table;
t.data = &state;
err = proc_dointvec_minmax(&t, write, buffer, ... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,690 | static int tg_cfs_schedulable_down(struct task_group *tg, void *data)
{
struct cfs_schedulable_data *d = data;
struct cfs_bandwidth *cfs_b = &tg->cfs_bandwidth;
s64 quota = 0, parent_quota = -1;
if (!tg->parent) {
quota = RUNTIME_INF;
} else {
struct cfs_bandwidth *parent_b = &tg->parent->cfs_bandwidth;
qu... | +Info | 0 | static int tg_cfs_schedulable_down(struct task_group *tg, void *data)
{
struct cfs_schedulable_data *d = data;
struct cfs_bandwidth *cfs_b = &tg->cfs_bandwidth;
s64 quota = 0, parent_quota = -1;
if (!tg->parent) {
quota = RUNTIME_INF;
} else {
struct cfs_bandwidth *parent_b = &tg->parent->cfs_bandwidth;
qu... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,691 | static inline int tg_has_rt_tasks(struct task_group *tg)
{
struct task_struct *g, *p;
do_each_thread(g, p) {
if (rt_task(p) && task_rq(p)->rt.tg == tg)
return 1;
} while_each_thread(g, p);
return 0;
}
| +Info | 0 | static inline int tg_has_rt_tasks(struct task_group *tg)
{
struct task_struct *g, *p;
do_each_thread(g, p) {
if (rt_task(p) && task_rq(p)->rt.tg == tg)
return 1;
} while_each_thread(g, p);
return 0;
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,692 | static int tg_set_rt_bandwidth(struct task_group *tg,
u64 rt_period, u64 rt_runtime)
{
int i, err = 0;
mutex_lock(&rt_constraints_mutex);
read_lock(&tasklist_lock);
err = __rt_schedulable(tg, rt_period, rt_runtime);
if (err)
goto unlock;
raw_spin_lock_irq(&tg->rt_bandwidth.rt_runtime_lock);
tg->rt_bandwidt... | +Info | 0 | static int tg_set_rt_bandwidth(struct task_group *tg,
u64 rt_period, u64 rt_runtime)
{
int i, err = 0;
mutex_lock(&rt_constraints_mutex);
read_lock(&tasklist_lock);
err = __rt_schedulable(tg, rt_period, rt_runtime);
if (err)
goto unlock;
raw_spin_lock_irq(&tg->rt_bandwidth.rt_runtime_lock);
tg->rt_bandwidt... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,693 | try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags)
{
unsigned long flags;
int cpu, success = 0;
/*
* If we are going to wake up a thread waiting for CONDITION we
* need to ensure that CONDITION=1 done by the caller can not be
* reordered with p->state check below. This pairs with mb() i... | +Info | 0 | try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags)
{
unsigned long flags;
int cpu, success = 0;
/*
* If we are going to wake up a thread waiting for CONDITION we
* need to ensure that CONDITION=1 done by the caller can not be
* reordered with p->state check below. This pairs with mb() i... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,694 | static void try_to_wake_up_local(struct task_struct *p)
{
struct rq *rq = task_rq(p);
if (WARN_ON_ONCE(rq != this_rq()) ||
WARN_ON_ONCE(p == current))
return;
lockdep_assert_held(&rq->lock);
if (!raw_spin_trylock(&p->pi_lock)) {
raw_spin_unlock(&rq->lock);
raw_spin_lock(&p->pi_lock);
raw_spin_lock(&... | +Info | 0 | static void try_to_wake_up_local(struct task_struct *p)
{
struct rq *rq = task_rq(p);
if (WARN_ON_ONCE(rq != this_rq()) ||
WARN_ON_ONCE(p == current))
return;
lockdep_assert_held(&rq->lock);
if (!raw_spin_trylock(&p->pi_lock)) {
raw_spin_unlock(&rq->lock);
raw_spin_lock(&p->pi_lock);
raw_spin_lock(&... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,695 | ttwu_do_wakeup(struct rq *rq, struct task_struct *p, int wake_flags)
{
check_preempt_curr(rq, p, wake_flags);
trace_sched_wakeup(p, true);
p->state = TASK_RUNNING;
#ifdef CONFIG_SMP
if (p->sched_class->task_woken)
p->sched_class->task_woken(rq, p);
if (rq->idle_stamp) {
u64 delta = rq_clock(rq) - rq->idle_st... | +Info | 0 | ttwu_do_wakeup(struct rq *rq, struct task_struct *p, int wake_flags)
{
check_preempt_curr(rq, p, wake_flags);
trace_sched_wakeup(p, true);
p->state = TASK_RUNNING;
#ifdef CONFIG_SMP
if (p->sched_class->task_woken)
p->sched_class->task_woken(rq, p);
if (rq->idle_stamp) {
u64 delta = rq_clock(rq) - rq->idle_st... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,696 | static void ttwu_queue(struct task_struct *p, int cpu)
{
struct rq *rq = cpu_rq(cpu);
#if defined(CONFIG_SMP)
if (sched_feat(TTWU_QUEUE) && !cpus_share_cache(smp_processor_id(), cpu)) {
sched_clock_cpu(cpu); /* sync clocks x-cpu */
ttwu_queue_remote(p, cpu);
return;
}
#endif
raw_spin_lock(&rq->lock);
ttwu_... | +Info | 0 | static void ttwu_queue(struct task_struct *p, int cpu)
{
struct rq *rq = cpu_rq(cpu);
#if defined(CONFIG_SMP)
if (sched_feat(TTWU_QUEUE) && !cpus_share_cache(smp_processor_id(), cpu)) {
sched_clock_cpu(cpu); /* sync clocks x-cpu */
ttwu_queue_remote(p, cpu);
return;
}
#endif
raw_spin_lock(&rq->lock);
ttwu_... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,697 | static int ttwu_remote(struct task_struct *p, int wake_flags)
{
struct rq *rq;
int ret = 0;
rq = __task_rq_lock(p);
if (p->on_rq) {
/* check_preempt_curr() may use rq clock */
update_rq_clock(rq);
ttwu_do_wakeup(rq, p, wake_flags);
ret = 1;
}
__task_rq_unlock(rq);
return ret;
}
| +Info | 0 | static int ttwu_remote(struct task_struct *p, int wake_flags)
{
struct rq *rq;
int ret = 0;
rq = __task_rq_lock(p);
if (p->on_rq) {
/* check_preempt_curr() may use rq clock */
update_rq_clock(rq);
ttwu_do_wakeup(rq, p, wake_flags);
ret = 1;
}
__task_rq_unlock(rq);
return ret;
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,698 | void update_rq_clock(struct rq *rq)
{
s64 delta;
if (rq->skip_clock_update > 0)
return;
delta = sched_clock_cpu(cpu_of(rq)) - rq->clock;
rq->clock += delta;
update_rq_clock_task(rq, delta);
}
| +Info | 0 | void update_rq_clock(struct rq *rq)
{
s64 delta;
if (rq->skip_clock_update > 0)
return;
delta = sched_clock_cpu(cpu_of(rq)) - rq->clock;
rq->clock += delta;
update_rq_clock_task(rq, delta);
}
| @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
46,699 | static void update_rq_clock_task(struct rq *rq, s64 delta)
{
/*
* In theory, the compile should just see 0 here, and optimize out the call
* to sched_rt_avg_update. But I don't trust it...
*/
#if defined(CONFIG_IRQ_TIME_ACCOUNTING) || defined(CONFIG_PARAVIRT_TIME_ACCOUNTING)
s64 steal = 0, irq_delta = 0;
#endif
#if... | +Info | 0 | static void update_rq_clock_task(struct rq *rq, s64 delta)
{
/*
* In theory, the compile should just see 0 here, and optimize out the call
* to sched_rt_avg_update. But I don't trust it...
*/
#if defined(CONFIG_IRQ_TIME_ACCOUNTING) || defined(CONFIG_PARAVIRT_TIME_ACCOUNTING)
s64 steal = 0, irq_delta = 0;
#endif
#if... | @@ -3786,7 +3786,7 @@ static int sched_read_attr(struct sched_attr __user *uattr,
attr->size = usize;
}
- ret = copy_to_user(uattr, attr, usize);
+ ret = copy_to_user(uattr, attr, attr->size);
if (ret)
return -EFAULT;
| CWE-200 | null | null |
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