task_css identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Documented in 1 files:

include/linux/cgroup.h, line 538

Defined in 1 files as a function:

include/linux/cgroup.h, line 545 (as a function)

Referenced in 13 files:

Smatch caller information:

security/device_cgroup.c task_devcgroup() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	1	subsys_id	5
DATA_SOURCE	0	task	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		global &kfd_processes_mutex

mm/memcontrol.c mem_cgroup_from_task() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	1-u64max
PARAM_VALUE	1	subsys_id	4
DATA_SOURCE	0	task	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&mm->mmap_lock
HALF_LOCKED2		global &oom_lock
HALF_LOCKED2		vmf->ptl

mm/memcontrol.c task_cgroup() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	0	task->alloc_lock.rlock.dep_map->name	0-255
PARAM_VALUE	1	subsys_id	4
DATA_SOURCE	0	task	$0
DATA_SOURCE	1	subsys_id	$1
RX_PATH
TASK_NOT_RUNNING
LOCK2		global &oom_lock
LOCK2		rcu_read
HALF_LOCKED2		&pool->lock

mm/page-writeback.c task_get_css() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	1	subsys_id	4
DATA_SOURCE	0	task	$0
DATA_SOURCE	1	subsys_id	$1
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&inode->i_rwsem

mm/page-writeback.c wb_find_current() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	1	subsys_id	4
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&inode->i_rwsem

mm/page-writeback.c wb_find_current() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	1	subsys_id	3
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&inode->i_rwsem

kernel/cgroup/legacy_freezer.c task_freezer() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	0	task->delays->blkio_count	0-4294967295
PARAM_VALUE	0	task->kcov->mode	0-4294967295
PARAM_VALUE	0	task->kcov->remote	0-1
PARAM_VALUE	0	task->kcov->remote_size	0-4294967295
PARAM_VALUE	0	task->kcov_remote->mode	0-4294967295
PARAM_VALUE	0	task->kcov_remote->remote	0-1
PARAM_VALUE	0	task->kcov_remote->remote_size	0-4294967295
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->sched_class->balance	0,4895810773273071616,6490409225490120704,7260575883162300416,8638459336928428032
PARAM_VALUE	0	task->sched_class->dequeue_task	0,144070366336110592,1947835499009560576,6189267449403002880,6455432424639717376,6899636822736904192
PARAM_VALUE	0	task->sched_class->enqueue_task	0,126196709549080576,1834828045319467008,6555940243012698112,7779016139136778240
PARAM_VALUE	0	task->sched_class->find_lock_rq	0,7,1273389266380275712,1330506845949976576,2186316422496772096
PARAM_VALUE	0	task->sched_class->get_prio	0,7,5165838827171962880,5589494719909007360,5857971317054578688
PARAM_VALUE	0	task->sched_class->get_rr_interval	0,160577115725877248,8566262156424376320
PARAM_VALUE	0	task->sched_class->migrate_task_rq	0,20,819017430815793152,1111187247153754112,1774144038744014848,4715741308934107136
PARAM_VALUE	0	task->sched_class->pick_task	0,431140902756892672,1158575681758597120,5720692379550740480,7102393387566546944,7601726578106748928
PARAM_VALUE	0	task->sched_class->prio_changed	0,6,1146300274019463168,2737281516638617600,4228469244769832960,6494577740674654208,7383617159121645568
PARAM_VALUE	0	task->sched_class->put_prev_task	0,45,879997059321819136,2104802920512651264,2702168970777976832,3309484659987406848,4521943768044347392,6061791611826737152
PARAM_VALUE	0	task->sched_class->reweight_task	0,5264859755264851968
PARAM_VALUE	0	task->sched_class->rq_offline	0,6,1273389266380275712,1603218695044562944,3746302679399247872,7992910395761221632
PARAM_VALUE	0	task->sched_class->rq_online	0,5,1603218695044562944,1927640468783054848,3838970304731508736,6105480162315575296
PARAM_VALUE	0	task->sched_class->select_task_rq	0,43,84,2097362150474280,819017430815793152,1774144038744014848,2097362150474280960,8429637501012336640,8680431057181843456
PARAM_VALUE	0	task->sched_class->set_cpus_allowed	0,7,1927640468783054848,4090974917235912704,4284209241675612160,5094656021401329664,7127180339355369472
PARAM_VALUE	0	task->sched_class->set_next_task	0,6,33,23152121635126968,879997059321819136,2104802920512651264,2315212163512696832,4028699749262393344,4361835877848195072,6461874264613330944,8232387521787854848
PARAM_VALUE	0	task->sched_class->switched_from	0,8,2762873923526262784,6932178706407411712,8530452231382753280,8897597262779232256
PARAM_VALUE	0	task->sched_class->switched_to	0,6,1207858565835722752,5165838827171962880,5857971317054578688,7142770315824652288
PARAM_VALUE	0	task->sched_class->switching_from	0,2762873923526262784
PARAM_VALUE	0	task->sched_class->switching_to	0,8,1207858565835722752,6355784522873475072,6932178706407411712
PARAM_VALUE	0	task->sched_class->task_change_group	0,7251702690162270208
PARAM_VALUE	0	task->sched_class->task_dead	0,6742757381008068608
PARAM_VALUE	0	task->sched_class->task_fork	0,5,1093040616512942080,1181151505743122432,4602209053340655616,6092562452304658432
PARAM_VALUE	0	task->sched_class->task_is_throttled	0,72,626302238049026048,4879098428662644736,6508522699847725056
PARAM_VALUE	0	task->sched_class->task_tick	0,6,1093040616512942080,1330506845949976576,2186316422496772096,4602209053340655616,5021036204559331328,6268546278195412992,7031988722367209472
PARAM_VALUE	0	task->sched_class->task_woken	0,4,1111187247153754112,4090974917235912704,4284209241675612160
PARAM_VALUE	0	task->sched_class->uclamp_enabled	0-1
PARAM_VALUE	0	task->sched_class->update_curr	0,2,85,24462720915009167,160577115725877248,2420086066110373888,2446272091500916736,2561397482238263296,2943871782664327168,8139140255186919424
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->stack_vm_area->nr_pages	0-4294967295
PARAM_VALUE	1	subsys_id	6
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->exit_signal	1-64[c]
USER_DATA	0	task->group_leader->thread.fsbase	0-u32max
USER_DATA	0	task->group_leader->thread.gsbase	0-u32max
USER_DATA	0	task->thread.fsbase	0-u32max
USER_DATA	0	task->thread.gsbase	0-u32max
NO_OVERFLOW_SIMPLE	0	task->dl.pi_se->dl_runtime
LOCK2		rcu_read
HALF_LOCKED2		global &freezer_mutex

arch/x86/kvm/svm/sev.c task_get_css() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	1	subsys_id	13
DATA_SOURCE	0	task	$0
DATA_SOURCE	1	subsys_id	$1
LOCK2		rcu_read
HALF_LOCKED2		&kvm->lock
HALF_LOCKED2		&source_kvm->lock
HALF_LOCKED2		_T->lock

fs/fs-writeback.c task_get_css() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	1	subsys_id	4
DATA_SOURCE	0	task	$0
DATA_SOURCE	1	subsys_id	$1
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&inode->i_lock

kernel/cgroup/rdma.c task_get_css() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	1	subsys_id	12
DATA_SOURCE	0	task	$0
DATA_SOURCE	1	subsys_id	$1
LOCK2		rcu_read
HALF_LOCKED2		&file->hw_destroy_rwsem
HALF_LOCKED2		&file->ucontext_lock
HALF_LOCKED2		&ufile->hw_destroy_rwsem
TYPE_LOCK		(struct ib_uverbs_file)->hw_destroy_rwsem

kernel/cgroup/dmem.c task_get_css() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	1	subsys_id	14
DATA_SOURCE	0	task	$0
DATA_SOURCE	1	subsys_id	$1
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		bo->base.resv

kernel/cgroup/pids.c pids_can_attach() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	1	subsys_id	11
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		global &cgroup_mutex

kernel/cgroup/pids.c pids_cancel_attach() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	1	subsys_id	11
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&pool->lock
HALF_LOCKED2		global &cgroup_mutex

kernel/cgroup/pids.c pids_release() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	0	task->kcov->mode	0-4294967295
PARAM_VALUE	0	task->kcov->remote	0-1
PARAM_VALUE	0	task->kcov->remote_size	0-4294967295
PARAM_VALUE	0	task->kcov_remote->mode	0-4294967295
PARAM_VALUE	0	task->kcov_remote->remote	0-1
PARAM_VALUE	0	task->kcov_remote->remote_size	0-4294967295
PARAM_VALUE	0	task->ptracer_cred->process_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	task->ptracer_cred->process_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	task->ptracer_cred->request_key_auth->user->qnbytes	s32min-s32max
PARAM_VALUE	0	task->ptracer_cred->request_key_auth->user->qnkeys	s32min-s32max
PARAM_VALUE	0	task->ptracer_cred->session_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	task->ptracer_cred->session_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	task->ptracer_cred->thread_keyring->user->qnbytes	s32min-s32max
PARAM_VALUE	0	task->ptracer_cred->thread_keyring->user->qnkeys	s32min-s32max
PARAM_VALUE	0	task->sched_task_group->idle	s32min-s32max
PARAM_VALUE	0	task->signal->group_exec_task->sched_task_group->idle	s32min-s32max
PARAM_VALUE	0	task->signal->group_exec_task->sched_task_group->shares	0-s64max
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	1	subsys_id	11
DATA_SOURCE	0	task	$0
RX_PATH
TASK_NOT_RUNNING

kernel/cgroup/cpuset.c task_cs() -> task_css()

Type	Parameter	Key	Value
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->sched_class->balance	0,4895810773273071616,6490409225490120704,7260575883162300416,8638459336928428032
PARAM_VALUE	0	task->sched_class->dequeue_task	0,144070366336110592,1947835499009560576,6189267449403002880,6455432424639717376,6899636822736904192
PARAM_VALUE	0	task->sched_class->enqueue_task	0,126196709549080576,1834828045319467008,6555940243012698112,7779016139136778240
PARAM_VALUE	0	task->sched_class->find_lock_rq	0,7,1273389266380275712,1330506845949976576,2186316422496772096,3746302679399247872,7992910395761221632
PARAM_VALUE	0	task->sched_class->get_prio	0,7,5165838827171962880,5589494719909007360,5857971317054578688,7142770315824652288
PARAM_VALUE	0	task->sched_class->get_rr_interval	0,160577115725877248,5264859755264851968,8566262156424376320
PARAM_VALUE	0	task->sched_class->migrate_task_rq	0,1111187247153754112,4715741308934107136
PARAM_VALUE	0	task->sched_class->pick_task	0,431140902756892672,1158575681758597120,5720692379550740480,7102393387566546944,7601726578106748928
PARAM_VALUE	0	task->sched_class->prio_changed	0,1146300274019463168,2737281516638617600,4228469244769832960,6494577740674654208,7383617159121645568
PARAM_VALUE	0	task->sched_class->put_prev_task	0,879997059321819136,2104802920512651264,3309484659987406848,4521943768044347392,6061791611826737152
PARAM_VALUE	0	task->sched_class->reweight_task	0,1146300274019463168,2737281516638617600,4228469244769832960,5264859755264851968,6494577740674654208,7383617159121645568
PARAM_VALUE	0	task->sched_class->rq_offline	0,1273389266380275712,3746302679399247872,7992910395761221632
PARAM_VALUE	0	task->sched_class->rq_online	0,1603218695044562944,3838970304731508736,6105480162315575296
PARAM_VALUE	0	task->sched_class->select_task_rq	0,819017430815793152,1774144038744014848,2097362150474280960,8429637501012336640,8680431057181843456
PARAM_VALUE	0	task->sched_class->set_cpus_allowed	0,7,1927640468783054848,4090974917235912704,4284209241675612160,5094656021401329664,7127180339355369472
PARAM_VALUE	0	task->sched_class->set_next_task	0,2315212163512696832,4028699749262393344,4361835877848195072,6461874264613330944,8232387521787854848
PARAM_VALUE	0	task->sched_class->switched_from	0,8,2762873923526262784,6932178706407411712,8530452231382753280,8897597262779232256
PARAM_VALUE	0	task->sched_class->switched_to	0,6,1207858565835722752,5165838827171962880,5857971317054578688,6355784522873475072,7142770315824652288
PARAM_VALUE	0	task->sched_class->switching_from	0,2762873923526262784,6742757381008068608
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	0,1181151505743122432,6092562452304658432
PARAM_VALUE	0	task->sched_class->task_is_throttled	0,72,626302238049026048,4879098428662644736,6508522699847725056,7251702690162270208
PARAM_VALUE	0	task->sched_class->task_tick	0,1093040616512942080,4602209053340655616,5021036204559331328,6268546278195412992,7031988722367209472
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	0,2420086066110373888,2446272091500916736,2561397482238263296,2943871782664327168,8139140255186919424
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->type	0-1
PARAM_VALUE	1	subsys_id	0
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),640
BUF_SIZE	0	task->mempolicy	(-1),1-s32max
BUF_SIZE	0	task->numa_faults	(-1),64-65600
BUF_SIZE	0	task->vfork_done	(-1),96
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-u32max
USER_DATA	0	task->group_leader->thread.gsbase	0-u32max
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-u32max
USER_DATA	0	task->thread.fsindex	0-u16max
USER_DATA	0	task->thread.gsbase	0-u32max
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		flags
HALF_LOCKED2		global &callback_lock
HALF_LOCKED2		global &cpuset_mutex
HALF_LOCKED2		rcu_read
HALF_LOCKED2	0	&task->pi_lock
HALF_LOCKED2	0	&task->sighand->siglock
HALF_LOCKED2	0	&task->signal->exec_update_lock

kernel/sched/build_utility.c task_ca() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	1	subsys_id	2
DATA_SOURCE	0	task	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	0	task	unit_byte

mm/hugetlb_cgroup.c hugetlb_cgroup_from_task() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	1	subsys_id	10
DATA_SOURCE	0	task	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read
HALF_LOCKED2		&inode->i_rwsem

net/core/sock.c task_cls_classid() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	1	subsys_id	7
DATA_SOURCE	0	task	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read

net/core/sock.c task_netprioidx() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	1	subsys_id	9
DATA_SOURCE	0	task	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read

block/blk-cgroup.c blkcg_css() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	1	subsys_id	3
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read

arch/x86/kvm/vmx/tdx.c task_get_css() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	1	subsys_id	13
DATA_SOURCE	0	task	$0
DATA_SOURCE	1	subsys_id	$1
LOCK2		&kvm->lock
LOCK2		&kvm->slots_lock
LOCK2		rcu_read
TYPE_LOCK		(struct kvm)->lock
TYPE_LOCK		(struct kvm)->slots_lock

kernel/cgroup/cpuset-v1.c proc_cpuset_show() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	0	task	4096-ptr_max
PARAM_VALUE	1	subsys_id	0
DATA_SOURCE	0	task	$3
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&m->lock
LOCK2		global &css_set_lock
LOCK2		irq
LOCK2		rcu_read
TYPE_LOCK		(struct seq_file)->lock

kernel/cgroup/cpuset-v1.c task_cs() -> task_css()

Type	Parameter	Key	Value
PARAM_VALUE	1	subsys_id	0
DATA_SOURCE	0	task	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		rcu_read