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Defined in 2 files as a function:

Referenced in 10 files:

Smatch caller information:

ipc/util.c sysvipc_proc_open() -> get_pid_ns()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING

fs/proc/root.c proc_apply_options() -> get_pid_ns()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &fc->uapi_mutex

fs/proc/root.c proc_fill_super() -> get_pid_ns()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &fc->uapi_mutex

fs/proc/root.c proc_init_fs_context() -> get_pid_ns()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &fc->uapi_mutex

fs/proc/root.c proc_parse_pidns_param() -> get_pid_ns()

Type Parameter Key Value
PARAM_VALUE 0 ns 4096-ptr_max
NS_CAPABLE 0 21
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &fc->uapi_mutex

kernel/nsproxy.c validate_nsset() -> get_pid_ns()

Type Parameter Key Value
PARAM_VALUE 0 ns 1-u64max
DATA_SOURCE 0 ns r task_active_pid_ns
NOCHECK_CALL
LOCK2 rcu_read

kernel/pid_namespace.c copy_pid_ns() -> get_pid_ns()

Type Parameter Key Value
DATA_SOURCE 0 ns $2
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &tsk->signal->exec_update_lock

kernel/pid_namespace.c create_pid_namespace() -> get_pid_ns()

Type Parameter Key Value
PARAM_VALUE 0 ns 4096-ptr_max
PARAM_VALUE 0 ns->level 0-31
PARAM_VALUE 0 ns->user_ns 4096-ptr_max
CAPPED_DATA 0 ns 1
CAPPED_DATA 0 ns->user_ns 1
DATA_SOURCE 0 ns $1
FUZZY_MAX 0 ns->level 31
HARD_MAX 0 ns->level 31
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &tsk->signal->exec_update_lock

kernel/pid_namespace.c pidns_for_children_get() -> get_pid_ns()

Type Parameter Key Value
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &task->alloc_lock
HALF_LOCKED2 &task->signal->exec_update_lock
TYPE_LOCK (struct task_struct)->alloc_lock

kernel/pid_namespace.c pidns_get() -> get_pid_ns()

Type Parameter Key Value
PARAM_VALUE 0 ns 1-u64max
DATA_SOURCE 0 ns r task_active_pid_ns
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 rcu_read
HALF_LOCKED2 &task->signal->exec_update_lock

kernel/pid_namespace.c pidns_get_parent() -> get_pid_ns()

Type Parameter Key Value
HALF_LOCKED2 global &rtnl_mutex

kernel/pid_namespace.c pidns_install() -> get_pid_ns()

Type Parameter Key Value
PARAM_VALUE 0 ns 4096-ptr_max
DATA_SOURCE 0 ns r to_pid_ns
NS_CAPABLE 0 21

kernel/pid.c alloc_pid() -> get_pid_ns()

Type Parameter Key Value
PARAM_VALUE 0 ns 4096-ptr_max
PARAM_VALUE 0 ns->pid_cachep 4096-ptr_max
PARAM_VALUE 0 ns->pid_cachep->object_size 0-4294967295
CAPPED_DATA 0 ns->pid_cachep 1
DATA_SOURCE 0 ns $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

kernel/cgroup/cgroup-v1.c cgroup_pidlist_find_create() -> get_pid_ns()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING
LOCK2 &cgrp->pidlist_mutex
LOCK2 &of->mutex
LOCK2 &s->lock
TYPE_LOCK (struct cgroup)->pidlist_mutex
TYPE_LOCK (struct kernfs_open_file)->mutex
TYPE_LOCK (struct seq_file)->lock

kernel/bpf/task_iter.c init_seq_pidns() -> get_pid_ns()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING

fs/fuse/inode.c fuse_conn_init() -> get_pid_ns()

Type Parameter Key Value
RX_PATH
TASK_NOT_RUNNING