Defined in 1 files as a function:

Referenced in 5 files:

Smatch caller information:

kernel/exit.c kill_orphaned_pgrp() -> task_session()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
PARAM_VALUE 0 task->signal 4096-ptr_max
DATA_SOURCE 0 task $1 [m]
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 kill_orphaned_pgrp() -> task_session()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
PARAM_VALUE 0 task->signal 4096-ptr_max
DATA_SOURCE 0 task $0
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &tasklist_lock
LOCK2 irq
HALF_LOCKED2 global &system_transition_mutex

kernel/exit.c will_become_orphaned_pgrp() -> task_session()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
PARAM_VALUE 0 task->signal 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &tasklist_lock
HALF_LOCKED2 irq

kernel/exit.c will_become_orphaned_pgrp() -> task_session()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &tasklist_lock
HALF_LOCKED2 irq

kernel/fork.c copy_process() -> task_session()

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

drivers/tty/tty_jobctrl.c __proc_set_tty() -> task_session()

Type Parameter Key Value
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 &tty->ctrl.lock
LOCK2 flags
LOCK2 global &tasklist_lock
LOCK2 irq
HALF_LOCKED2 &tty->legacy_mutex
TYPE_LOCK (struct tty_struct)->ctrl.lock

drivers/tty/tty_jobctrl.c disassociate_ctty() -> task_session()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
LOCK2 global &tasklist_lock

drivers/tty/tty_jobctrl.c session_of_pgrp() -> task_session()

Type Parameter Key Value
PARAM_VALUE 0 task 1-u64max
LOCK2 &real_tty->ctrl.lock
LOCK2 irq
LOCK2 rcu_read
TYPE_LOCK (struct tty_struct)->ctrl.lock

drivers/tty/tty_jobctrl.c tiocsctty() -> task_session()

Type Parameter Key Value
LOCK2 &tty->legacy_mutex
LOCK2 global &tasklist_lock
TYPE_LOCK (struct tty_struct)->legacy_mutex

drivers/tty/tty_jobctrl.c tiocspgrp() -> task_session()

Type Parameter Key Value
LOCK2 &real_tty->ctrl.lock
LOCK2 irq
TYPE_LOCK (struct tty_struct)->ctrl.lock

drivers/tty/tty_jobctrl.c tiocspgrp() -> task_session()

Type Parameter Key Value
LOCK2 &real_tty->ctrl.lock
LOCK2 irq
LOCK2 rcu_read
TYPE_LOCK (struct tty_struct)->ctrl.lock

kernel/signal.c check_kill_permission() -> task_session()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
CAPPED_DATA 0 task->real_cred 1
DATA_SOURCE 0 task $2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
USER_DATA 0 task->parent->exit_code 0,256-65280[c]
USER_DATA 0 task->real_parent->exit_code 0,256-65280[c]
LOCK2 rcu_read

kernel/signal.c check_kill_permission() -> task_session()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 rcu_read

kernel/sys.c __do_sys_getsid() -> task_session()

Type Parameter Key Value
LOCK2 rcu_read

kernel/sys.c __do_sys_getsid() -> task_session()

Type Parameter Key Value
PARAM_VALUE 0 task 1-u64max
DATA_SOURCE 0 task r find_task_by_vpid
LOCK2 rcu_read

kernel/sys.c __do_sys_getsid() -> task_session()

Type Parameter Key Value
LOCK2 rcu_read

kernel/sys.c __do_sys_getsid() -> task_session()

Type Parameter Key Value
PARAM_VALUE 0 task 1-u64max
DATA_SOURCE 0 task r find_task_by_vpid
LOCK2 rcu_read

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

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
CAPPED_DATA 0 task->real_parent->signal 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_session()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
CAPPED_DATA 0 task->signal 1
LOCK2 global &tasklist_lock
LOCK2 irq
LOCK2 rcu_read

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

Type Parameter Key Value
PARAM_VALUE 0 task 1-u64max
DATA_SOURCE 0 task r pid_task
LOCK2 global &tasklist_lock
LOCK2 irq
LOCK2 rcu_read

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

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

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

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
CAPPED_DATA 0 task->real_parent->signal 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_session()

Type Parameter Key Value
PARAM_VALUE 0 task 4096-ptr_max
CAPPED_DATA 0 task->signal 1
LOCK2 global &tasklist_lock
LOCK2 irq
LOCK2 rcu_read

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

Type Parameter Key Value
PARAM_VALUE 0 task 1-u64max
DATA_SOURCE 0 task r pid_task
LOCK2 global &tasklist_lock
LOCK2 irq
LOCK2 rcu_read

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

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

kernel/sys.c set_special_pids() -> task_session()

Type Parameter Key Value
LOCK2 global &tasklist_lock
LOCK2 irq