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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 3 files:

Smatch caller information:

kernel/exit.c release_task() -> put_task_struct_rcu_user()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
PARAM_VALUE 0 task->__state 0,512
PARAM_VALUE 0 task->blocked_on 0
PARAM_VALUE 0 task->core_node.__rb_parent_color 1
PARAM_VALUE 0 task->core_node.rb_left 4096-ptr_max
PARAM_VALUE 0 task->core_node.rb_right 4096-ptr_max
PARAM_VALUE 0 task->cpus_ptr 4096-ptr_max
PARAM_VALUE 0 task->delays->blkio_delay_max_ts.tv_nsec 0-999999999
PARAM_VALUE 0 task->delays->lock.dep_map->name 0-255
PARAM_VALUE 0 task->delays->lock.owner (-1)
PARAM_VALUE 0 task->delays->lock.owner_cpu u32max
PARAM_VALUE 0 task->dl.dl_timer.base->active.rb_root.rb_leftmost->node.__rb_parent_color 1
PARAM_VALUE 0 task->dl.dl_timer.base->cpu_base->expires_next 0-s64max
PARAM_VALUE 0 task->dl.dl_timer.base->cpu_base->softirq_expires_next 0-s64max
PARAM_VALUE 0 task->dl.dl_timer.entry.pprev 0
PARAM_VALUE 0 task->dl.inactive_timer.base->active.rb_root.rb_leftmost->node.__rb_parent_color 1
PARAM_VALUE 0 task->dl.pi_se->dl_bw 0
PARAM_VALUE 0 task->dl.pi_se->dl_deadline 0
PARAM_VALUE 0 task->dl.pi_se->dl_defer 0
PARAM_VALUE 0 task->dl.pi_se->dl_defer_armed 0
PARAM_VALUE 0 task->dl.pi_se->dl_defer_running 0
PARAM_VALUE 0 task->dl.pi_se->dl_density 0
PARAM_VALUE 0 task->dl.pi_se->dl_non_contending 0
PARAM_VALUE 0 task->dl.pi_se->dl_overrun 0
PARAM_VALUE 0 task->dl.pi_se->dl_period 0
PARAM_VALUE 0 task->dl.pi_se->dl_runtime 0
PARAM_VALUE 0 task->dl.pi_se->dl_server 0
PARAM_VALUE 0 task->dl.pi_se->dl_throttled 0
PARAM_VALUE 0 task->dl.pi_se->dl_yielded 0
PARAM_VALUE 0 task->dl.pi_se->flags 0
PARAM_VALUE 0 task->dl.pi_se->pi_se 4096-ptr_max
PARAM_VALUE 0 task->dl.rb_node.__rb_parent_color 1
PARAM_VALUE 0 task->dl.rb_node.rb_left 4096-ptr_max
PARAM_VALUE 0 task->dl.rq->active_balance s32min-s32max
PARAM_VALUE 0 task->dl.rq->clock_update_flags 0-4294967295
PARAM_VALUE 0 task->dl.rq->core_enabled 0-4294967295
PARAM_VALUE 0 task->dl.rq->core_forceidle_count 0-4294967295
PARAM_VALUE 0 task->dl.rq->core_forceidle_occupation 0-4294967295
PARAM_VALUE 0 task->dl.rq->core_forceidle_seq 0-4294967295
PARAM_VALUE 0 task->dl.rq->core_pick_seq 0-4294967295
PARAM_VALUE 0 task->dl.rq->core_sched_seq 0-4294967295
PARAM_VALUE 0 task->dl.rq->core_task_seq 0-4294967295
PARAM_VALUE 0 task->dl.rq->cpu s32min-s32max
PARAM_VALUE 0 task->dl.rq->has_blocked_load 0-4294967295
PARAM_VALUE 0 task->dl.rq->hrtick_sched 0-4294967295
PARAM_VALUE 0 task->dl.rq->idle_balance 0-255
PARAM_VALUE 0 task->dl.rq->membarrier_state s32min-s32max
PARAM_VALUE 0 task->dl.rq->nohz_idle_balance 0-255
PARAM_VALUE 0 task->dl.rq->nohz_tick_stopped 0-4294967295
PARAM_VALUE 0 task->dl.rq->nr_llc_running 0-4294967295
PARAM_VALUE 0 task->dl.rq->nr_numa_running 0-4294967295
PARAM_VALUE 0 task->dl.rq->nr_pinned 0-4294967295
PARAM_VALUE 0 task->dl.rq->nr_pref_llc_running 0-4294967295
PARAM_VALUE 0 task->dl.rq->nr_preferred_running 0-4294967295
PARAM_VALUE 0 task->dl.rq->nr_running 0-4294967295
PARAM_VALUE 0 task->dl.rq->numa_migrate_on 0-4294967295
PARAM_VALUE 0 task->dl.rq->online s32min-s32max
PARAM_VALUE 0 task->dl.rq->push_busy 0-4294967295
PARAM_VALUE 0 task->dl.rq->push_cpu s32min-s32max
PARAM_VALUE 0 task->dl.rq->sched_count 0-4294967295
PARAM_VALUE 0 task->dl.rq->sched_goidle 0-4294967295
PARAM_VALUE 0 task->dl.rq->ticks_without_resched s32min-s32max
PARAM_VALUE 0 task->dl.rq->ttwu_count 0-4294967295
PARAM_VALUE 0 task->dl.rq->ttwu_local 0-4294967295
PARAM_VALUE 0 task->dl.rq->ttwu_pending 0-4294967295
PARAM_VALUE 0 task->dl.rq->uclamp_flags 0-4294967295
PARAM_VALUE 0 task->dl.rq->yld_count 0-4294967295
PARAM_VALUE 0 task->group_leader 4096-ptr_max
PARAM_VALUE 0 task->is_blocked 0
PARAM_VALUE 0 task->mm->mm_cid.irq_work.node.a_flags.counter 0-s32max
PARAM_VALUE 0 task->mm->mm_cid.max_cids 0-s32max
PARAM_VALUE 0 task->mm->mm_cid.pcpu_thrs 1-1073741823
PARAM_VALUE 0 task->mm->mm_cid.update_deferred 1
PARAM_VALUE 0 task->on_rq 0-1,3-255
PARAM_VALUE 0 task->ptrace 0
PARAM_VALUE 0 task->ptrace_entry.next 4096-ptr_max
PARAM_VALUE 0 task->ptrace_entry.next->next 4096-ptr_max
PARAM_VALUE 0 task->ptrace_entry.next->prev 4096-ptr_max
PARAM_VALUE 0 task->ptrace_entry.prev 4096-ptr_max
PARAM_VALUE 0 task->ptrace_entry.prev->next 4096-ptr_max
PARAM_VALUE 0 task->ptrace_entry.prev->prev 4096-ptr_max
PARAM_VALUE 0 task->ptracer_cred 0
PARAM_VALUE 0 task->ptracer_cred->process_keyring->user->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 task->ptracer_cred->rcu.func 1-u64max
PARAM_VALUE 0 task->ptracer_cred->rcu.next 0
PARAM_VALUE 0 task->ptracer_cred->request_key_auth->user->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 task->ptracer_cred->session_keyring->user->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 task->ptracer_cred->thread_keyring->user->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 task->ptracer_cred->ucounts->ns->work.entry.next 4096-ptr_max
PARAM_VALUE 0 task->ptracer_cred->user->uidhash_node->next->pprev 1-u64max
PARAM_VALUE 0 task->ptracer_cred->user->uidhash_node.next->pprev 1-u64max
PARAM_VALUE 0 task->ptracer_cred->user_ns->work.entry.next 4096-ptr_max
PARAM_VALUE 0 task->ptracer_cred->user_ns->work.entry.next->prev 4096-ptr_max
PARAM_VALUE 0 task->pushable_tasks.node_list.next->next 4096-ptr_max
PARAM_VALUE 0 task->pushable_tasks.node_list.next->prev 4096-ptr_max
PARAM_VALUE 0 task->pushable_tasks.node_list.prev->next 4096-ptr_max
PARAM_VALUE 0 task->pushable_tasks.node_list.prev->prev 4096-ptr_max
PARAM_VALUE 0 task->pushable_tasks.prio_list.next->next 4096-ptr_max
PARAM_VALUE 0 task->pushable_tasks.prio_list.prev->next 4096-ptr_max
PARAM_VALUE 0 task->pushable_tasks.prio_list.prev->prev 4096-ptr_max
PARAM_VALUE 0 task->real_cred 4096-ptr_max
PARAM_VALUE 0 task->rseq.event.ids_changed 1
PARAM_VALUE 0 task->rt.timeout 0
PARAM_VALUE 0 task->saved_state 0
PARAM_VALUE 0 task->sched_migrated 1
PARAM_VALUE 0 task->sched_task_group->autogroup 0
PARAM_VALUE 0 task->sched_task_group->cfs_rq 0
PARAM_VALUE 0 task->sched_task_group->idle s32min-s32max
PARAM_VALUE 0 task->sched_task_group->rt_rq 0
PARAM_VALUE 0 task->sched_task_group->rt_se 0
PARAM_VALUE 0 task->sched_task_group->shares 0-s64max
PARAM_VALUE 0 task->se.cfs_rq->curr 0
PARAM_VALUE 0 task->se.cfs_rq->propagate 1
PARAM_VALUE 0 task->se.cfs_rq->removed.load_avg 0
PARAM_VALUE 0 task->se.cfs_rq->removed.lock.owner (-1)
PARAM_VALUE 0 task->se.cfs_rq->removed.runnable_avg 0
PARAM_VALUE 0 task->se.cfs_rq->removed.util_avg 0
PARAM_VALUE 0 task->se.cfs_rq->rq->curr->mm->sc_stat.cpu (-1)
PARAM_VALUE 0 task->se.cfs_rq->rq->curr->pref_llc_queued 0-1
PARAM_VALUE 0 task->se.cfs_rq->rq->donor->__state 0,512
PARAM_VALUE 0 task->se.cfs_rq->rq->donor->core_node.__rb_parent_color 1
PARAM_VALUE 0 task->se.cfs_rq->rq->donor->dl.dl_timer.base->cpu_base->expires_next 0-s64max
PARAM_VALUE 0 task->se.cfs_rq->rq->donor->dl.dl_timer.base->cpu_base->softirq_expires_next 0-s64max
PARAM_VALUE 0 task->se.cfs_rq->rq->donor->dl.inactive_timer.base->clockid 0-1,7,11
PARAM_VALUE 0 task->se.cfs_rq->rq->donor->dl.inactive_timer.base->index 0-7
PARAM_VALUE 0 task->se.cfs_rq->rq->donor->mm->mm_cid.irq_work.node.a_flags.counter 0-s32max
PARAM_VALUE 0 task->se.cfs_rq->rq->donor->pushable_dl_tasks.__rb_parent_color 1
PARAM_VALUE 0 task->se.cfs_rq->rq->donor->rseq.event.ids_changed 1
PARAM_VALUE 0 task->se.cfs_rq->rq->donor->sched_migrated 1
PARAM_VALUE 0 task->se.cfs_rq->rq->donor->wake_cpu 0-s32max
PARAM_VALUE 0 task->se.cfs_rq->rq->fair_server.inactive_timer.flags 0-4294967295
PARAM_VALUE 0 task->se.cfs_rq->rq->fair_server.inactive_timer.node.node.node.__rb_parent_color 1
PARAM_VALUE 0 task->se.group_node.next->next 4096-ptr_max
PARAM_VALUE 0 task->se.group_node.next->prev 4096-ptr_max
PARAM_VALUE 0 task->se.group_node.prev->next 4096-ptr_max
PARAM_VALUE 0 task->se.group_node.prev->prev 4096-ptr_max
PARAM_VALUE 0 task->se.my_q->prop_runnable_sum 0
PARAM_VALUE 0 task->se.my_q->propagate 0
PARAM_VALUE 0 task->se.parent 0,4096-ptr_max
PARAM_VALUE 0 task->se.rel_deadline 0
PARAM_VALUE 0 task->se.run_node.rb_left 0,4096-ptr_max
PARAM_VALUE 0 task->se.run_node.rb_right 0,4096-ptr_max
PARAM_VALUE 0 task->sibling.next 4096-ptr_max
PARAM_VALUE 0 task->sibling.next->next 4096-ptr_max
PARAM_VALUE 0 task->sibling.next->prev 4096-ptr_max
PARAM_VALUE 0 task->sibling.prev 4096-ptr_max
PARAM_VALUE 0 task->sibling.prev->next 4096-ptr_max
PARAM_VALUE 0 task->sibling.prev->prev 4096-ptr_max
PARAM_VALUE 0 task->sighand 0
PARAM_VALUE 0 task->signal 4096-ptr_max
PARAM_VALUE 0 task->signal->group_exec_task->sched_task_group->idle s32min-s32max
PARAM_VALUE 0 task->signal->stats_lock.seqcount.seqcount.dep_map->name 0-255
PARAM_VALUE 0 task->tasks.next->prev 4096-ptr_max
PARAM_VALUE 0 task->thread_node.next->prev 4096-ptr_max
PARAM_VALUE 0 task->thread_pid 4096-ptr_max
PARAM_VALUE 0 task->thread_pid->attr 4096-ptr_max,(-3)
PARAM_VALUE 0 task->thread_pid->attr->exit_code s32min-s32max
PARAM_VALUE 0 task->thread_pid->inodes.first 0
PARAM_VALUE 0 task->thread_pid->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 task->throttle_node.next->next 4096-ptr_max
PARAM_VALUE 0 task->throttle_node.next->prev 4096-ptr_max
PARAM_VALUE 0 task->throttle_node.prev->next 4096-ptr_max
PARAM_VALUE 0 task->throttle_node.prev->prev 4096-ptr_max
PARAM_VALUE 0 task->wake_cpu 0-s32max
CAPPED_DATA 0 task 1
DATA_SOURCE 0 task $0 [m]
PARAM_COMPARE 0 &task->ptraced == $0->ptraced.next
MEM_ZERO 0 &task->pending.signal
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

kernel/bpf/helpers.c bpf_task_release() -> put_task_struct_rcu_user()

Type Parameter Key Value
PARAM_VALUE 0 task 1-u64max
PARAM_VALUE 0 task->sched_class->enqueue_task 0,77,126196709549080576,1834828045319467008,6555940243012698112,7779016139136778240
DATA_SOURCE 0 task $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

kernel/bpf/helpers.c bpf_task_release_dtor() -> put_task_struct_rcu_user()

Type Parameter Key Value
DATA_SOURCE 0 task $0
NOCHECK_CALL

kernel/sched/core.c finish_task_switch() -> put_task_struct_rcu_user()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
PARAM_VALUE 0 task->__state 128
PARAM_VALUE 0 task->cg_list.next->next 4096-ptr_max
PARAM_VALUE 0 task->cg_list.next->prev 4096-ptr_max
PARAM_VALUE 0 task->cg_list.prev->next 4096-ptr_max
PARAM_VALUE 0 task->cg_list.prev->prev 4096-ptr_max
PARAM_VALUE 0 task->cgroups 4096-ptr_max
PARAM_VALUE 0 task->cgroups->dying_tasks.prev 4096-ptr_max
PARAM_VALUE 0 task->cgroups->dying_tasks.prev->next 4096-ptr_max
PARAM_VALUE 0 task->cgroups->dying_tasks.prev->next->next 4096-ptr_max
PARAM_VALUE 0 task->on_cpu 0
PARAM_VALUE 0 task->sched_class 4096-ptr_max
PARAM_VALUE 0 task->sched_class->task_dead 0,6742757381008068608
PARAM_VALUE 0 task->stack 0
PARAM_VALUE 0 task->stack_vm_area 0
CAPPED_DATA 0 task->cgroups 1
DATA_SOURCE 0 task $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 0 task unit_byte