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Defined in 1 files as a function:

Referenced in 5 files:

Smatch caller information:

ipc/namespace.c free_ipcs() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 1-u64max
DATA_SOURCE 0 perm r idr_find
NOCHECK_CALL
LOCK2 &ids->rwsem
LOCK2 rcu_read
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 0 &perm->lock
TYPE_LOCK (struct ipc_ids)->rwsem

ipc/util.c ipc_findkey() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 1-u64max
DATA_SOURCE 0 perm r rhashtable_lookup_fast
NOCHECK_CALL
LOCK2 &ids->rwsem
LOCK2 rcu_read
TYPE_LOCK (struct ipc_ids)->rwsem

ipc/util.c sysvipc_find_ipc() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 1-u64max
DATA_SOURCE 0 perm r idr_get_next
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &s->lock
LOCK2 rcu_read
HALF_LOCKED2 &ids->rwsem
TYPE_LOCK (struct seq_file)->lock

ipc/sem.c sem_lock() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 4096-ptr_max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 rcu_read

ipc/sem.c sem_lock() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 4096-ptr_max
RX_PATH
NOCHECK_CALL
LOCK2 rcu_read

ipc/sem.c semctl_stat() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 4096-ptr_max
NOCHECK_CALL
LOCK2 rcu_read

ipc/msg.c do_msgrcv() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 4096-ptr_max
NOCHECK_CALL
LOCK2 rcu_read

ipc/msg.c do_msgrcv() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 4096-ptr_max
PARAM_VALUE 0 perm->deleted 0
NOCHECK_CALL
LOCK2 rcu_read

ipc/msg.c do_msgsnd() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 4096-ptr_max
NOCHECK_CALL
LOCK2 rcu_read

ipc/msg.c do_msgsnd() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 4096-ptr_max
PARAM_VALUE 0 perm->deleted 0
PARAM_VALUE 0 perm->refcount.refs.counter (-1073741824),0-s32max
NOCHECK_CALL
LOCK2 rcu_read

ipc/msg.c msgctl_down() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 4096-ptr_max
NOCHECK_CALL
LOCK2 rcu_read

ipc/msg.c msgctl_down() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 4096-ptr_max
NOCHECK_CALL
LOCK2 rcu_read

ipc/msg.c msgctl_stat() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 4096-ptr_max
NOCHECK_CALL
LOCK2 rcu_read

ipc/shm.c do_shmat() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 4096-ptr_max
NOCHECK_CALL
LOCK2 rcu_read

ipc/shm.c shm_lock() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 1-ptr_max
DATA_SOURCE 0 perm r ipc_obtain_object_idr
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 rcu_read

ipc/shm.c shm_lock_by_ptr() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 4096-ptr_max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 rcu_read

ipc/shm.c shmctl_do_lock() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 4096-ptr_max
NOCHECK_CALL
LOCK2 rcu_read

ipc/shm.c shmctl_down() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 4096-ptr_max
NOCHECK_CALL
LOCK2 rcu_read

ipc/shm.c shmctl_down() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 4096-ptr_max
NOCHECK_CALL
LOCK2 rcu_read

ipc/shm.c shmctl_stat() -> ipc_lock_object()

Type Parameter Key Value
PARAM_VALUE 0 perm 4096-ptr_max
NOCHECK_CALL
LOCK2 rcu_read