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Defined in 2 files as a member:

Defined in 2 files as a function:

Referenced in 34 files:

Smatch caller information:

drivers/tty/tty_io.c __tty_fasync() -> task_pid()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 &tty->ctrl.lock
LOCK2 &tty->legacy_mutex
LOCK2 flags
TYPE_LOCK (struct tty_struct)->ctrl.lock
TYPE_LOCK (struct tty_struct)->legacy_mutex

kernel/exit.c __unhash_process() -> task_pid()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
PARAM_VALUE 0 task->thread_pid 4096-ptr_max
CAPPED_DATA 0 task 1
DATA_SOURCE 0 task $1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 &sig->stats_lock.lock
LOCK2 &sighand->siglock
LOCK2 global &tasklist_lock
LOCK2 irq
TYPE_LOCK (struct seqlock)->lock
TYPE_LOCK (struct sighand_struct)->siglock

kernel/exit.c find_new_reaper() -> task_pid()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
CAPPED_DATA 0 task 1
CAPPED_DATA 0 task->cgroups 1
CAPPED_DATA 0 task->sched_class 1
DATA_SOURCE 0 task $0
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 task->dl.pi_se->runtime 1-17592186044415[c]
USER_DATA 0 task->exit_code 0,256-65280[c]
USER_DATA 0 task->signal->group_exit_code 0,256-65280[c]
LOCK2 global &tasklist_lock
LOCK2 irq
HALF_LOCKED2 global &system_transition_mutex

kernel/exit.c find_new_reaper() -> task_pid()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &tasklist_lock
LOCK2 irq
HALF_LOCKED2 global &system_transition_mutex

kernel/exit.c find_new_reaper() -> task_pid()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &tasklist_lock
LOCK2 irq
HALF_LOCKED2 global &system_transition_mutex

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

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
PARAM_VALUE 0 task->thread_pid 4096-ptr_max
DATA_SOURCE 0 task $0 [m]
RX_PATH
TASK_NOT_RUNNING

kernel/exit.c task_pid_type() -> task_pid()

Type Parameter Key Value
BUF_SIZE 0 task (-1),16,24
BUF_SIZE 0 task (-1),16,24
DATA_SOURCE 0 task $0
RX_PATH
TASK_NOT_RUNNING

drivers/usb/core/devio.c usbdev_open() -> task_pid()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
LOCK2 &dev->dev.mutex
TYPE_LOCK (struct device)->mutex

sound/core/rawmidi.c open_substream() -> task_pid()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
LOCK2 &rmidi->open_mutex
LOCK2 &substream->lock
LOCK2 irq
TYPE_LOCK (struct snd_rawmidi)->open_mutex
TYPE_LOCK (struct snd_rawmidi_substream)->lock

fs/gfs2/xattr.c gfs2_glock_is_locked_by_me() -> task_pid()

Type Parameter Key Value
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 &gl->gl_lockref.lock
TYPE_LOCK (struct lockref)->lock

fs/gfs2/glock.c __gfs2_holder_init() -> task_pid()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING

fs/gfs2/glock.c gfs2_holder_reinit() -> task_pid()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &fp->f_fl_mutex

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

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

drivers/tty/vt/vt_ioctl.c vt_ioctl() -> task_pid()

Type Parameter Key Value
LOCK2 global &console_sem

drivers/tty/vt/vt_ioctl.c vt_k_ioctl() -> task_pid()

Type Parameter Key Value
CAPABLE 0 5
PREEMPT_ADD <- disables preempt
LOCK2 global &vt_spawn_con.lock
LOCK2 irq
TYPE_LOCK (struct vt_spawn_console)->lock

drivers/tty/vt/vt_ioctl.c vt_setactivate() -> task_pid()

Type Parameter Key Value
LOCK2 global &console_sem

kernel/time/posix-cpu-timers.c pid_for_clock() -> task_pid()

Type Parameter Key Value
LOCK2 rcu_read

kernel/time/posix-cpu-timers.c pid_for_clock() -> task_pid()

Type Parameter Key Value
LOCK2 rcu_read

sound/core/pcm.c snd_pcm_attach_substream() -> task_pid()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
LOCK2 &pcm->open_mutex
TYPE_LOCK (struct snd_pcm)->open_mutex

drivers/gpu/drm/msm/msm_gem_submit.c submit_create() -> task_pid()

Type Parameter Key Value

fs/proc/array.c get_children_pid() -> task_pid()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
LOCK2 &seq->lock
LOCK2 global &tasklist_lock
TYPE_LOCK (struct seq_file)->lock

fs/proc/array.c get_children_pid() -> task_pid()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
CAPPED_DATA 0 &task->sibling 1
RX_PATH
TASK_NOT_RUNNING
LOCK2 &seq->lock
LOCK2 global &tasklist_lock
TYPE_LOCK (struct seq_file)->lock

fs/gfs2/acl.c gfs2_glock_is_locked_by_me() -> task_pid()

Type Parameter Key Value
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 &gl->gl_lockref.lock
TYPE_LOCK (struct lockref)->lock

ipc/msg.c pipelined_send() -> task_pid()

Type Parameter Key Value
PREEMPT_ADD
LOCK2 &msq->q_perm.lock
LOCK2 rcu_read
TYPE_LOCK (struct kern_ipc_perm)->lock

fs/gfs2/rgrp.c gfs2_glock_is_locked_by_me() -> task_pid()

Type Parameter Key Value
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 &gl->gl_lockref.lock
TYPE_LOCK (struct lockref)->lock

init/main.c kernel_init_freeable() -> task_pid()

Type Parameter Key Value

fs/notify/dnotify/dnotify.c fcntl_dirnotify() -> task_pid()

Type Parameter Key Value
PREEMPT_ADD <- disables preempt
LOCK2 global &dnotify_group->mark_mutex
HALF_LOCKED2 &fsn_mark->lock
HALF_LOCKED2 &new_fsn_mark->lock
TYPE_LOCK (struct fsnotify_group)->mark_mutex
TYPE_LOCK (struct fsnotify_mark)->lock

kernel/pid.c task_active_pid_ns() -> task_pid()

Type Parameter Key Value
BUF_SIZE 0 task (-1)-s32max
BUF_SIZE 0 task (-1)-s32max
BUF_SIZE 0 task->group_leader (-1)-s32max
BUF_SIZE 0 task->mempolicy (-1)-s32max
DATA_SOURCE 0 task $0
STR_LEN 0 task (-1),6,10,15,21,25,32,35
STR_LEN 0 task (-1),6,10,15,21,25,32,35
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->exit_code 0,256-65280[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->parent->exit_code 0,256-65280[c]
USER_DATA 0 task->ptrace 65537,65545-33619953[c]
USER_DATA 0 task->real_parent->exit_code 0,256-65280[c]
USER_DATA 0 task->signal->group_exit_code 0,256-65280[c]
USER_DATA 0 task->thread.fsbase 0-s32max[c]
USER_DATA 0 task->thread.gsbase 0-s32max[c]
NO_OVERFLOW_SIMPLE 0 task->dl.pi_se->dl_runtime
NO_OVERFLOW_SIMPLE 0 task->nsproxy->pid_ns_for_children->pid_cachep->object_size
UNITS 0 task unit_byte
HALF_LOCKED2 &_T->lock->alloc_lock
HALF_LOCKED2 &cgrp->pidlist_mutex
HALF_LOCKED2 &m->lock
HALF_LOCKED2 &of->mutex
HALF_LOCKED2 &p->mutex
HALF_LOCKED2 &s->lock
HALF_LOCKED2 &seq->lock
HALF_LOCKED2 global &acct_on_mutex
HALF_LOCKED2 global &audit_cmd_mutex.lock
HALF_LOCKED2 global &sysctl_lock
HALF_LOCKED2 global &tasklist_lock
HALF_LOCKED2 irq
HALF_LOCKED2 rcu_read
HALF_LOCKED2 0 &task->alloc_lock
HALF_LOCKED2 0 &task->sighand->siglock
HALF_LOCKED2 0 &task->signal->exec_update_lock

fs/gfs2/bmap.c gfs2_glock_is_locked_by_me() -> task_pid()

Type Parameter Key Value
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 &gl->gl_lockref.lock
HALF_LOCKED2 &inode->i_rwsem
HALF_LOCKED2 &ip->i_rw_mutex
HALF_LOCKED2 &sdp->sd_log_flush_lock
TYPE_LOCK (struct lockref)->lock

kernel/sched/build_utility.c task_pid_type() -> task_pid()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
DATA_SOURCE 0 task $0
LOCK2 global &tasklist_lock

fs/fuse/req.c fuse_fill_creds() -> task_pid()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &fc->killsb

drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c etnaviv_ioctl_gem_submit() -> task_pid()

Type Parameter Key Value

fs/notify/fanotify/fanotify.c fanotify_alloc_event() -> task_pid()

Type Parameter Key Value

drivers/gpu/drm/msm/msm_gpu.c msm_gpu_create_private_vm() -> task_pid()

Type Parameter Key Value
DATA_SOURCE 0 task $1
RX_PATH
TASK_NOT_RUNNING
LOCK2 _T->lock

sound/core/control.c snd_ctl_get_preferred_subdevice() -> task_pid()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
LOCK2 _T->flags
LOCK2 _T->lock
HALF_LOCKED2 &pcm->open_mutex
HALF_LOCKED2 &rmidi->open_mutex

sound/core/control.c snd_ctl_open() -> task_pid()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING

fs/locks.c lease_setup() -> task_pid()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
LOCK2 &ctx->flc_lock
HALF_LOCKED2 &inode->i_rwsem
TYPE_LOCK (struct file_lock_context)->flc_lock

kernel/signal.c do_notify_pidfd() -> task_pid()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
CAPPED_DATA 0 task 1
DATA_SOURCE 0 task $0
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 task->dl.pi_se->runtime 1-17592186044415[c]
USER_DATA 0 task->exit_code 0-64,256-65280[c]
USER_DATA 0 task->signal->group_exit_code 0,256-65280[c]
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->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
LOCK2 global &tasklist_lock
LOCK2 irq

kernel/signal.c do_pidfd_send_signal() -> task_pid()

Type Parameter Key Value

kernel/sys.c __do_sys_setpgid() -> task_pid()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
CAPPED_DATA 0 task 1
DATA_SOURCE 0 task r find_task_by_vpid
LOCK2 global &tasklist_lock
LOCK2 irq
LOCK2 rcu_read

kernel/sys.c __do_sys_setpgid() -> task_pid()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
CAPPED_DATA 0 task 1
DATA_SOURCE 0 task r find_task_by_vpid
LOCK2 global &tasklist_lock
LOCK2 irq
LOCK2 rcu_read

kernel/sys.c ksys_setsid() -> task_pid()

Type Parameter Key Value

kernel/sys.c propagate_has_child_subreaper() -> task_pid()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
DATA_SOURCE 0 task $0
LOCK2 global &tasklist_lock

drivers/net/tun.c tun_chr_fasync() -> task_pid()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING

fs/gfs2/super.c gfs2_glock_is_locked_by_me() -> task_pid()

Type Parameter Key Value
PREEMPT_ADD <- disables preempt
LOCK2 &gl->gl_lockref.lock
TYPE_LOCK (struct lockref)->lock

fs/gfs2/dentry.c gfs2_glock_is_locked_by_me() -> task_pid()

Type Parameter Key Value
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 &gl->gl_lockref.lock
TYPE_LOCK (struct lockref)->lock

sound/core/seq/seq_clientmgr.c snd_seq_open() -> task_pid()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
LOCK2 _T->lock

fs/gfs2/inode.c gfs2_glock_is_locked_by_me() -> task_pid()

Type Parameter Key Value
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 &gl->gl_lockref.lock
TYPE_LOCK (struct lockref)->lock

arch/x86/kvm/../../../virt/kvm/kvm_main.c kvm_vcpu_ioctl() -> task_pid()

Type Parameter Key Value
LOCK2 &vcpu->mutex
TYPE_LOCK (struct kvm_vcpu)->mutex

fs/ocfs2/dlmglue.c ocfs2_add_holder() -> task_pid()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &inode->i_rwsem

fs/ocfs2/dlmglue.c ocfs2_inode_lock_tracker() -> task_pid()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &inode->i_rwsem