task_dfl_cgroup identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

include/linux/cgroup.h, line 602 (as a function)

Referenced in 7 files:

Smatch caller information:

fs/pidfs.c pidfd_info() -> task_dfl_cgroup()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	0	task->real_cred	4096-ptr_max
PARAM_VALUE	0	task->real_cred->non_rcu	0
PARAM_VALUE	0	task->real_cred->process_keyring->user->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	task->real_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	task->real_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	task->real_cred->rcu.func	1-u64max
PARAM_VALUE	0	task->real_cred->rcu.next	0
PARAM_VALUE	0	task->real_cred->request_key_auth->user->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	task->real_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	0	task->real_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	0	task->real_cred->session_keyring->user->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	task->real_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	task->real_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	task->real_cred->thread_keyring->user->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	task->real_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	task->real_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	task->real_cred->ucounts->ns->work.entry.next	4096-ptr_max
PARAM_VALUE	0	task->real_cred->ucounts->ns->work.entry.next->prev	4096-ptr_max
PARAM_VALUE	0	task->real_cred->user->uidhash_node->next->pprev	1-u64max
PARAM_VALUE	0	task->real_cred->user->uidhash_node.next->pprev	1-u64max
PARAM_VALUE	0	task->real_cred->user_ns->work.entry.next->prev	4096-ptr_max
DATA_SOURCE	0	task	r get_pid_task
LOCK2		rcu_read

fs/pidfs.c pidfs_exit() -> task_dfl_cgroup()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
DATA_SOURCE	0	task	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read

kernel/sched/build_policy.c cgroup_account_cputime_field() -> task_dfl_cgroup()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
CAPPED_DATA	0	task->cgroups	1
DATA_SOURCE	0	task	$0
RX_PATH
TASK_NOT_RUNNING
UNITS	0	task	unit_byte

kernel/sched/build_utility.c task_psi_group() -> task_dfl_cgroup()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	0	task->latency_record->count	0-4294967295
PARAM_VALUE	0	task->latency_record->max	0-s32max
PARAM_VALUE	0	task->latency_record->time	0-s32max
PARAM_VALUE	0	task->mm->mmap_lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	task->mm->mmap_lock.first_waiter->type	0-1
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->pick_task	0,75,431140902756892672,1158575681758597120,5720692379550740480,7102393387566546944,7601726578106748928
PARAM_VALUE	0	task->sched_class->balance	0,4895810773273071616,6490409225490120704,7260575883162300416,8638459336928428032
PARAM_VALUE	0	task->sched_class->dequeue_task	0,4096-ptr_max
PARAM_VALUE	0	task->sched_class->enqueue_task	0,4096-ptr_max
PARAM_VALUE	0	task->sched_class->find_lock_rq	0,7,1273389266380275712,1330506845949976576,2186316422496772096,3746302679399247872,7992910395761221632
PARAM_VALUE	0	task->sched_class->get_prio	0,7,4096-ptr_max
PARAM_VALUE	0	task->sched_class->get_rr_interval	0,160577115725877248,5264859755264851968,8566262156424376320
PARAM_VALUE	0	task->sched_class->migrate_task_rq	0,20,4096-ptr_max
PARAM_VALUE	0	task->sched_class->pick_task	0,71,4096-ptr_max
PARAM_VALUE	0	task->sched_class->prio_changed	0,6,4096-ptr_max
PARAM_VALUE	0	task->sched_class->put_prev_task	0,45,4096-ptr_max
PARAM_VALUE	0	task->sched_class->reweight_task	0,4096-ptr_max
PARAM_VALUE	0	task->sched_class->rq_offline	0,6,4096-ptr_max
PARAM_VALUE	0	task->sched_class->rq_online	0,5,4096-ptr_max
PARAM_VALUE	0	task->sched_class->select_task_rq	0,43,84,4096-ptr_max
PARAM_VALUE	0	task->sched_class->set_cpus_allowed	0,7,509,4096-ptr_max
PARAM_VALUE	0	task->sched_class->set_next_task	0,6,33,4096-ptr_max
PARAM_VALUE	0	task->sched_class->switched_from	0,8,4096-ptr_max
PARAM_VALUE	0	task->sched_class->switched_to	0,6,1207858565835722752,5165838827171962880,5857971317054578688,6355784522873475072,7142770315824652288
PARAM_VALUE	0	task->sched_class->switching_from	0,4096-ptr_max
PARAM_VALUE	0	task->sched_class->switching_to	0,8,1207858565835722752,6355784522873475072,6932178706407411712,8530452231382753280,8897597262779232256
PARAM_VALUE	0	task->sched_class->task_change_group	0,2420086066110373888,2446272091500916736,2561397482238263296,2943871782664327168,7251702690162270208,8139140255186919424
PARAM_VALUE	0	task->sched_class->task_dead	0,1181151505743122432,6092562452304658432,6742757381008068608
PARAM_VALUE	0	task->sched_class->task_fork	0,5,4096-ptr_max
PARAM_VALUE	0	task->sched_class->task_is_throttled	0,72,626302238049026048,4879098428662644736,6508522699847725056,7251702690162270208
PARAM_VALUE	0	task->sched_class->task_tick	0,6,4096-ptr_max
PARAM_VALUE	0	task->sched_class->task_woken	0,4,1111187247153754112,4090974917235912704,4284209241675612160,4715741308934107136
PARAM_VALUE	0	task->sched_class->uclamp_enabled	0-1
PARAM_VALUE	0	task->sched_class->update_curr	0,2,85,4096-ptr_max
PARAM_VALUE	0	task->sched_class->wakeup_preempt	0,1077039320164851712,1147033115188453376,2990157993661198336,6476960569952718848,6679893776262037504
PARAM_VALUE	0	task->sched_class->yield_task	0,2190573298372911104,3192817945493614592,3256919456170586112,7456815790656131072
PARAM_VALUE	0	task->sched_class->yield_to_task	0,3940359203731251200
PARAM_VALUE	0	task->signal->cgroup_threadgroup_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	task->signal->cgroup_threadgroup_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	task->signal->exec_update_lock.first_waiter->handoff_set	0-1
PARAM_VALUE	0	task->signal->exec_update_lock.first_waiter->type	0-1
BUF_SIZE	0	task	(-1),1-s32max
BUF_SIZE	0	task	(-1),1-s32max
BUF_SIZE	0	task->group_leader	(-1),1-s32max
BUF_SIZE	0	task->io_uring	(-1),32,40,104,512,640
BUF_SIZE	0	task->mempolicy	(-1),1-s32max
BUF_SIZE	0	task->migration_pending	(-1),176
BUF_SIZE	0	task->numa_faults	(-1),64-65600
BUF_SIZE	0	task->vfork_done	(-1),96
BUF_SIZE	0	task->worker_private	(-1),464,1120
CAPPED_DATA	0	task	1
DATA_SOURCE	0	task	$0
NOSPEC	0	task->thread.fsbase
NOSPEC	0	task->thread.gsbase
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA	0	task->dl.pi_se->runtime	1-17592186044415[c]
USER_DATA	0	task->dl.runtime	1-17592186044415[c]
USER_DATA	0	task->exit_code	0-64,256-65280[c]
USER_DATA	0	task->exit_signal	1-64[c]
USER_DATA	0	task->group_leader->thread.fsbase	0-s32max[c]
USER_DATA	0	task->group_leader->thread.gsbase	0-s32max[c]
USER_DATA	0	task->ptrace	0-u32max[c]
USER_DATA	0	task->sched_reset_on_fork	0-1
USER_DATA	0	task->signal->group_exit_code	0,256-65280[c]
USER_DATA	0	task->syscall_dispatch.len	0-u64max
USER_DATA	0	task->syscall_dispatch.offset	0-s32max[c]
USER_DATA	0	task->thread.ds	0-u16max
USER_DATA	0	task->thread.es	0-u16max
USER_DATA	0	task->thread.features_locked	0-u64max[c][u]
USER_DATA	0	task->thread.fsbase	0-s32max[c]
USER_DATA	0	task->thread.fsindex	0-u16max
USER_DATA	0	task->thread.gsbase	0-s32max[c]
USER_DATA	0	task->thread.gsindex	0-u16max
USER_DATA	0	task->thread.ptrace_dr7	0-u64max
USER_DATA	0	task->thread.virtual_dr6	0-u64max
NO_OVERFLOW_SIMPLE	0	task->delays->blkio_delay
NO_OVERFLOW_SIMPLE	0	task->delays->compact_delay
NO_OVERFLOW_SIMPLE	0	task->delays->freepages_delay
NO_OVERFLOW_SIMPLE	0	task->delays->irq_delay
NO_OVERFLOW_SIMPLE	0	task->delays->swapin_delay
NO_OVERFLOW_SIMPLE	0	task->delays->thrashing_delay
NO_OVERFLOW_SIMPLE	0	task->delays->wpcopy_delay
NO_OVERFLOW_SIMPLE	0	task->dl.dl_runtime
NO_OVERFLOW_SIMPLE	0	task->dl.pi_se->dl_runtime
NO_OVERFLOW_SIMPLE	0	task->nsproxy->pid_ns_for_children->pid_cachep->sheaf_capacity
NO_OVERFLOW_SIMPLE	0	task->signal->stats->blkio_delay_total
NO_OVERFLOW_SIMPLE	0	task->signal->stats->compact_delay_total
NO_OVERFLOW_SIMPLE	0	task->signal->stats->cpu_delay_total
NO_OVERFLOW_SIMPLE	0	task->signal->stats->cpu_run_virtual_total
NO_OVERFLOW_SIMPLE	0	task->signal->stats->freepages_delay_total
NO_OVERFLOW_SIMPLE	0	task->signal->stats->irq_delay_total
NO_OVERFLOW_SIMPLE	0	task->signal->stats->swapin_delay_total
NO_OVERFLOW_SIMPLE	0	task->signal->stats->thrashing_delay_total
NO_OVERFLOW_SIMPLE	0	task->signal->stats->wpcopy_delay_total
UNITS	0	task	unit_byte
HALF_LOCKED2		irq
HALF_LOCKED2	0	&task->pi_lock
HALF_LOCKED2	0	&task->sighand->siglock
HALF_LOCKED2	0	&task->signal->exec_update_lock

kernel/bpf/cgroup.c __cgroup_bpf_check_dev_permission() -> task_dfl_cgroup()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		global &kfd_processes_mutex

kernel/bpf/cgroup.c __cgroup_bpf_run_filter_sysctl() -> task_dfl_cgroup()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&pool->lock

kernel/bpf/cgroup.c __cgroup_bpf_run_lsm_current() -> task_dfl_cgroup()

Type	Parameter	Key	Value

kernel/sched/fair.c cgroup_account_cputime() -> task_dfl_cgroup()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
CAPPED_DATA	0	task->cgroups	1
DATA_SOURCE	0	task	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

kernel/cgroup/cgroup.c do_cgroup_task_dead() -> task_dfl_cgroup()

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->tasks.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->signal	4096-ptr_max
CAPPED_DATA	0	task->cgroups	1
CAPPED_DATA	0	&task->cg_list	1
DATA_SOURCE	0	task	$0
BIT_INFO	0	task->flags	0x0,0xffdfffff
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
UNITS	0	task	unit_byte
LOCK2		flags
LOCK2		global &css_set_lock

kernel/cgroup/cgroup.c do_cgroup_task_dead() -> task_dfl_cgroup()

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->tasks.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->signal	4096-ptr_max
CAPPED_DATA	0	task->cgroups	1
CAPPED_DATA	0	&task->cg_list	1
DATA_SOURCE	0	task	$0
BIT_INFO	0	task->flags	0x0,0xffdfffff
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
UNITS	0	task	unit_byte
LOCK2		flags
LOCK2		global &css_set_lock

kernel/cgroup/freezer.c cgroup_enter_frozen() -> task_dfl_cgroup()

Type	Key	Value
PREEMPT_ADD		<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2	global &css_set_lock
LOCK2	irq
HALF_LOCKED2	&sighand->siglock

kernel/cgroup/freezer.c cgroup_leave_frozen() -> task_dfl_cgroup()

Type	Key	Value
PREEMPT_ADD		<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2	global &css_set_lock
LOCK2	irq

kernel/bpf/helpers.c ____bpf_get_current_ancestor_cgroup_id() -> task_dfl_cgroup()

Type	Parameter	Key	Value
LOCK2		rcu_read

kernel/bpf/helpers.c ____bpf_get_current_cgroup_id() -> task_dfl_cgroup()

Type	Parameter	Key	Value
LOCK2		rcu_read