task_css_set identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Documented in 1 files:

include/linux/cgroup.h, line 527

Defined in 1 files as a function:

include/linux/cgroup.h, line 533 (as a function)

Referenced in 5 files:

Smatch caller information:

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

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/cgroup/namespace.c copy_cgroup_ns() -> task_css_set()

Type	Parameter	Key	Value
NS_CAPABLE	0	21
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &css_set_lock
LOCK2		irq
HALF_LOCKED2		&tsk->signal->exec_update_lock

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

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_dfl_cgroup() -> task_css_set()

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->balance	0,4895810773273071616,6490409225490120704,7260575883162300416,8638459336928428032
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->dequeue_task	0,144070366336110592,1947835499009560576,6189267449403002880,6455432424639717376,6899636822736904192
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->enqueue_task	0,126196709549080576,1834828045319467008,6555940243012698112,7779016139136778240
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->find_lock_rq	0,1330506845949976576,2186316422496772096
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->get_prio	0,5589494719909007360
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->get_rr_interval	0,160577115725877248,8566262156424376320
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->migrate_task_rq	0,1111187247153754112,4715741308934107136
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->prio_changed	0,1146300274019463168,2737281516638617600,4228469244769832960,6494577740674654208,7383617159121645568
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->put_prev_task	0,879997059321819136,2104802920512651264,3309484659987406848,4521943768044347392,6061791611826737152
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->reweight_task	0,5264859755264851968
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->rq_offline	0,1273389266380275712,3746302679399247872,7992910395761221632
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->rq_online	0,1603218695044562944,3838970304731508736,6105480162315575296
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->select_task_rq	0,819017430815793152,1774144038744014848,2097362150474280960,8429637501012336640,8680431057181843456
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->set_cpus_allowed	0,1927640468783054848,5094656021401329664,7127180339355369472
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->set_next_task	0,2315212163512696832,4028699749262393344,4361835877848195072,6461874264613330944,8232387521787854848
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->switched_from	0,6932178706407411712,8530452231382753280,8897597262779232256
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->switched_to	0,5165838827171962880,5857971317054578688,7142770315824652288
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->switching_from	0,2762873923526262784
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->switching_to	0,1207858565835722752,6355784522873475072
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->task_change_group	0,7251702690162270208
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->task_dead	0,6742757381008068608
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->task_fork	0,1181151505743122432,6092562452304658432
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->task_is_throttled	0,626302238049026048,4879098428662644736,6508522699847725056
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->task_tick	0,1093040616512942080,4602209053340655616,5021036204559331328,6268546278195412992,7031988722367209472
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->task_woken	0,4090974917235912704,4284209241675612160
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->uclamp_enabled	0-1
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->update_curr	0,2420086066110373888,2446272091500916736,2561397482238263296,2943871782664327168,8139140255186919424
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->wakeup_preempt	0,1077039320164851712,1147033115188453376,2990157993661198336,6476960569952718848,6679893776262037504
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->yield_task	0,2190573298372911104,3192817945493614592,3256919456170586112,7456815790656131072
PARAM_VALUE	0	task->perf_event_ctxp->task->sched_class->yield_to_task	0,3940359203731251200
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
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->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
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 task_dfl_cgroup() -> task_css_set()

Type	Parameter	Key	Value
DATA_SOURCE	0	task	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		rcu_read

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

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 cgroup_attach_task() -> task_css_set()

Type	Key	Value
PREEMPT_ADD		<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2	global &cgroup_mutex
LOCK2	global &css_set_lock
LOCK2	irq
HALF_LOCKED2	&of->mutex

kernel/cgroup/cgroup.c cgroup_css_set_fork() -> task_css_set()

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

kernel/cgroup/cgroup.c cgroup_migrate_add_task() -> task_css_set()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
CAPPED_DATA	0	&task->cg_list	1
DATA_SOURCE	0	task	$0
BIT_INFO	0	task->flags	0x0,0xfffffffb
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &css_set_lock
LOCK2		irq
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		global &cgroup_mutex

kernel/cgroup/cgroup.c cgroup_migrate_execute() -> task_css_set()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
CAPPED_DATA	0	&task->cg_list	1
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &css_set_lock
LOCK2		irq
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		global &cgroup_mutex

kernel/cgroup/cgroup.c cgroup_sk_alloc() -> task_css_set()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		global &proto_tab_lock
HALF_LOCKED2		global &rtnl_mutex
HALF_LOCKED2		sk

kernel/cgroup/cgroup.c cgroup_task_free() -> task_css_set()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	0	task->io_uring	0
PARAM_VALUE	0	task->io_uring_restrict	0
PARAM_VALUE	0	task->pi_lock.dep_map->name	0-255
PARAM_VALUE	0	task->pi_lock.owner	(-1)
PARAM_VALUE	0	task->pi_lock.owner_cpu	u32max
CAPPED_DATA	0	task	1
CAPPED_DATA	0	task->unwind_info.cache	1
DATA_SOURCE	0	task	$0
RX_PATH
TASK_NOT_RUNNING

kernel/cgroup/cgroup.c cgroup_task_free() -> task_css_set()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	0	task->io_uring	0
PARAM_VALUE	0	task->io_uring_restrict	0
PARAM_VALUE	0	task->pi_lock.dep_map->name	0-255
PARAM_VALUE	0	task->pi_lock.owner	(-1)
PARAM_VALUE	0	task->pi_lock.owner_cpu	u32max
CAPPED_DATA	0	task	1
CAPPED_DATA	0	task->cgroups	1
CAPPED_DATA	0	task->unwind_info.cache	1
CAPPED_DATA	0	&task->cg_list	1
DATA_SOURCE	0	task	$0
PARAM_COMPARE	0	&task->cg_list	!= $0->cg_list.next
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &css_set_lock
LOCK2		irq

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

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	0	task->__state	128
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
CAPPED_DATA	0	&task->cg_list	1
DATA_SOURCE	0	task	$0
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 task_cgroup_from_root() -> task_css_set()

Type	Parameter	Key	Value
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
DATA_SOURCE	0	task	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &css_set_lock
HALF_LOCKED2		&m->lock
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		flags
HALF_LOCKED2		global &cgroup_mutex
HALF_LOCKED2		irq
HALF_LOCKED2		rcu_read

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

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
DATA_SOURCE	0	task	$0
BIT_INFO	0	task->flags	0x0,0xffdfffff
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	0	task	unit_byte
LOCK2		flags
LOCK2		global &css_set_lock

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

Type	Parameter	Key	Value
DATA_SOURCE	0	task	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &css_set_lock
LOCK2		irq

kernel/cgroup/debug.c current_css_set_cg_links_read() -> task_css_set()

Type	Key	Value
PREEMPT_ADD		<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2	&seq->lock
LOCK2	global &css_set_lock
LOCK2	irq
TYPE_LOCK	(struct seq_file)->lock

kernel/cgroup/debug.c current_css_set_read() -> task_css_set()

Type	Key	Value
PREEMPT_ADD		<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2	&seq->lock
LOCK2	global &cgroup_mutex
LOCK2	global &css_set_lock
LOCK2	irq
TYPE_LOCK	(struct seq_file)->lock

kernel/cgroup/debug.c current_css_set_refcount_read() -> task_css_set()

Type	Parameter	Key	Value
RX_PATH
TASK_NOT_RUNNING
LOCK2		&m->lock
LOCK2		rcu_read
TYPE_LOCK		(struct seq_file)->lock

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

Type	Parameter	Key	Value
DATA_SOURCE	0	task	$0
LOCK2		rcu_read

kernel/bpf/helpers.c task_under_cgroup_hierarchy() -> task_css_set()

Type	Parameter	Key	Value
DATA_SOURCE	0	task	$0
HALF_LOCKED2		rcu_read