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Defined in 1 files as a function:

Referenced in 7 files:

Smatch caller information:

kernel/time/posix-cpu-timers.c check_thread_timers() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
CAPPED_DATA 0 p 1
DATA_SOURCE 0 p $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 &cw->mutex
LOCK2 flags
LOCK2 0 &p->sighand->siglock
HALF_LOCKED2 bh
HALF_LOCKED2 rcu
TYPE_LOCK (struct posix_cputimers_work)->mutex
TYPE_LOCK (struct sighand_struct)->siglock

kernel/time/posix-cpu-timers.c fastpath_timer_check() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
DATA_SOURCE 0 p $0
RX_PATH
TASK_NOT_RUNNING

kernel/sched/build_policy.c __sched_setscheduler() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
DATA_SOURCE 0 p $0
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE 0 p->dl.dl_runtime
HALF_LOCKED2 global &cpuset_mutex
HALF_LOCKED2 global &tasklist_lock
HALF_LOCKED2 rcu_read

kernel/sched/build_policy.c dl_add_task_root_domain() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
DATA_SOURCE 0 p $0
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &sched_domains_mutex
LOCK2 rf.flags
LOCK2 0 &p->pi_lock
HALF_LOCKED2 global &cpuset_mutex
TYPE_LOCK (struct task_struct)->pi_lock

kernel/sched/build_policy.c dl_server_start() -> dl_task()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
UNITS 0 p unit_byte
HALF_LOCKED2 _T->lock
HALF_LOCKED2 _T->rf.flags

kernel/sched/build_policy.c dl_server_timer() -> dl_task()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
UNITS 0 p unit_byte
HALF_LOCKED2 irq

kernel/sched/build_policy.c dl_task_needs_bw_move() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
BUF_SIZE 0 p (-1),1-s32max
BUF_SIZE 0 p (-1),1-s32max
BUF_SIZE 0 p->group_leader (-1),1-s32max
BUF_SIZE 0 p->io_uring (-1),640
BUF_SIZE 0 p->mempolicy (-1),1-s32max
BUF_SIZE 0 p->vfork_done (-1),96
CAPPED_DATA 0 p 1
DATA_SOURCE 0 p $0
STR_LEN 0 p (-1),8-9,11-29,31-34,38
STR_LEN 0 p (-1),8-9,11-29,31-34,38
NOSPEC 0 p->thread.fsbase
NOSPEC 0 p->thread.gsbase
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 p->dl.pi_se->runtime 1-17592186044415[c]
USER_DATA 0 p->dl.runtime 1-17592186044415[c]
USER_DATA 0 p->exit_code 0-64
USER_DATA 0 p->exit_signal 1-64[c]
USER_DATA 0 p->group_leader->thread.fsbase 0-s32max[c]
USER_DATA 0 p->group_leader->thread.gsbase 0-s32max[c]
USER_DATA 0 p->ptrace 0-u32max[c]
USER_DATA 0 p->syscall_dispatch.len 0-u64max
USER_DATA 0 p->syscall_dispatch.offset 0-s32max[c]
USER_DATA 0 p->thread.ds 0-u16max
USER_DATA 0 p->thread.es 0-u16max
USER_DATA 0 p->thread.features_locked 0-u64max[c][u]
USER_DATA 0 p->thread.fsbase 0-s32max[c]
USER_DATA 0 p->thread.fsindex 0-u16max
USER_DATA 0 p->thread.gsbase 0-s32max[c]
USER_DATA 0 p->thread.gsindex 0-u16max
USER_DATA 0 p->thread.ptrace_dr7 0-u64max
USER_DATA 0 p->thread.virtual_dr6 0-u64max
NO_OVERFLOW_SIMPLE 0 p->dl.dl_runtime
NO_OVERFLOW_SIMPLE 0 p->dl.pi_se->dl_runtime
NO_OVERFLOW_SIMPLE 0 p->nsproxy->pid_ns_for_children->pid_cachep->sheaf_capacity
HALF_LOCKED2 global &cpuset_mutex
HALF_LOCKED2 0 &p->pi_lock
HALF_LOCKED2 0 &p->sighand->siglock

kernel/sched/build_policy.c dl_task_timer() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
DATA_SOURCE 0 p r dl_task_of
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 irq

kernel/sched/build_policy.c dl_task_timer() -> dl_task()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
UNITS 0 p unit_byte
HALF_LOCKED2 irq

kernel/sched/build_policy.c find_lock_later_rq() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
CAPPED_DATA 0 p 1
DATA_SOURCE 0 p $0
RX_PATH
TASK_NOT_RUNNING
UNITS 0 p unit_byte
HALF_LOCKED2 irq
HALF_LOCKED2 0 &p->pi_lock

kernel/sched/build_policy.c inactive_task_timer() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
DATA_SOURCE 0 p r dl_task_of
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 irq

kernel/sched/build_policy.c need_pull_dl_task() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
DATA_SOURCE 0 p $1
RX_PATH
TASK_NOT_RUNNING
UNITS 0 p unit_byte
LOCK2 irq

kernel/sched/build_policy.c pick_next_pushable_dl_task() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
CAPPED_DATA 0 p 1
RX_PATH
TASK_NOT_RUNNING
UNITS 0 p unit_byte
HALF_LOCKED2 rq

kernel/sched/build_policy.c prio_changed_dl() -> dl_task()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
UNITS 0 p unit_byte

kernel/sched/build_policy.c push_dl_task() -> dl_task()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
UNITS 0 p unit_byte

kernel/sched/build_policy.c select_task_rq_dl() -> dl_task()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
UNITS 0 p unit_byte
LOCK2 &p->pi_lock
LOCK2 rcu_read
HALF_LOCKED2 irq
TYPE_LOCK (struct task_struct)->pi_lock

kernel/sched/build_policy.c set_cpus_allowed_dl() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
BUF_SIZE 0 p (-1),4,24,64,112,168-s32max
BUF_SIZE 0 p (-1),4,24,64,112,168-s32max
BUF_SIZE 0 p->io_uring (-1),640
BUF_SIZE 0 p->vfork_done (-1),96
CAPPED_DATA 0 p 1
DATA_SOURCE 0 p $0
STR_LEN 0 p (-1),8-9,11-29,31-34,38
STR_LEN 0 p (-1),8-9,11-29,31-34,38
NOSPEC 0 p->thread.fsbase
NOSPEC 0 p->thread.gsbase
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 p->dl.pi_se->runtime 1-17592186044415[c]
USER_DATA 0 p->exit_code 0-64
USER_DATA 0 p->exit_signal 1-64[c]
USER_DATA 0 p->group_leader->thread.fsbase 0-s32max[c]
USER_DATA 0 p->group_leader->thread.gsbase 0-s32max[c]
USER_DATA 0 p->ptrace 0-u32max[c]
USER_DATA 0 p->syscall_dispatch.len 0-u64max
USER_DATA 0 p->syscall_dispatch.offset 0-s32max[c]
USER_DATA 0 p->thread.ds 0-u16max
USER_DATA 0 p->thread.es 0-u16max
USER_DATA 0 p->thread.features_locked 0-u64max[c][u]
USER_DATA 0 p->thread.fsbase 0-s32max[c]
USER_DATA 0 p->thread.fsindex 0-u16max
USER_DATA 0 p->thread.gsbase 0-s32max[c]
USER_DATA 0 p->thread.gsindex 0-u16max
USER_DATA 0 p->thread.ptrace_dr7 0-u64max
USER_DATA 0 p->thread.virtual_dr6 0-u64max
NO_OVERFLOW_SIMPLE 0 p->dl.dl_runtime
NO_OVERFLOW_SIMPLE 0 p->dl.pi_se->dl_runtime
NO_OVERFLOW_SIMPLE 0 p->nsproxy->pid_ns_for_children->pid_cachep->sheaf_capacity
HALF_LOCKED2 irq
HALF_LOCKED2 rf.flags
HALF_LOCKED2 0 &p->pi_lock
HALF_LOCKED2 0 &p->sighand->siglock

kernel/sched/build_policy.c switched_to_dl() -> dl_task()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
UNITS 0 p unit_byte

kernel/sched/build_policy.c task_woken_dl() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
UNITS 0 p unit_byte
HALF_LOCKED2 &p->pi_lock
HALF_LOCKED2 rf.flags

kernel/sched/build_policy.c task_woken_rt() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
UNITS 0 p unit_byte
HALF_LOCKED2 &p->pi_lock
HALF_LOCKED2 rf.flags

kernel/sched/build_policy.c update_curr_dl() -> dl_task()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
UNITS 0 p unit_byte
HALF_LOCKED2 &p->pi_lock
HALF_LOCKED2 irq
HALF_LOCKED2 rf.flags

kernel/cgroup/cpuset.c cpuset_can_attach() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
CAPPED_DATA 0 p->cgroups 1
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &cpuset_mutex
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 global &cgroup_mutex

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

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
CAPPED_DATA 0 p->cgroups 1
CAPPED_DATA 0 &p->cg_list 1
DATA_SOURCE 0 p $0
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
UNITS 0 p unit_byte
LOCK2 flags
LOCK2 global &css_set_lock

kernel/trace/trace_sched_wakeup.c probe_wakeup() -> dl_task()

Type Parameter Key Value
DATA_SOURCE 0 p $1

kernel/trace/trace_sched_wakeup.c probe_wakeup() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
DATA_SOURCE 0 p $1

kernel/trace/trace_sched_wakeup.c probe_wakeup() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
PARAM_VALUE 0 p->prio s32min-2147483646
CAPPED_DATA 0 p->prio 1
DATA_SOURCE 0 p $1

kernel/trace/trace_sched_wakeup.c probe_wakeup() -> dl_task()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
PARAM_VALUE 0 p->prio s32min-2147483646
CAPPED_DATA 0 p->prio 1
DATA_SOURCE 0 p $1