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Documented in 1 files:

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 4 files:

Smatch caller information:

ipc/util.c ipc_check_perms() -> ipcperms()

Type Parameter Key Value
PARAM_VALUE 0 ns->ids 4096-ptr_max
PARAM_VALUE 1 ipcp 4096-ptr_max
PARAM_VALUE 1 ipcp->lock.rlock.dep_map->name 0-255
DATA_SOURCE 0 ns $0
DATA_SOURCE 1 ipcp $1
USER_DATA 2 flag s16min-s16max
LOCK2 &ids->rwsem
LOCK2 rcu_read
TYPE_LOCK (struct ipc_ids)->rwsem

ipc/sem.c __do_semtimedop() -> ipcperms()

Type Parameter Key Value
PARAM_VALUE 0 ns 4096-ptr_max
PARAM_VALUE 0 ns->sem_ctls 4096-ptr_max
PARAM_VALUE 1 ipcp 4096-ptr_max
PARAM_VALUE 2 flag 146,292
DATA_SOURCE 0 ns $4
FUZZY_MAX 2 flag 292
BIT_INFO 2 flag 0x0,0x1b6
HARD_MAX 2 flag 292
LOCK2 rcu_read

ipc/sem.c semctl_main() -> ipcperms()

Type Parameter Key Value
PARAM_VALUE 1 ipcp 4096-ptr_max
PARAM_VALUE 2 flag 146,292
DATA_SOURCE 0 ns $0
FUZZY_MAX 2 flag 292
BIT_INFO 2 flag 0x0,0x1b6
HARD_MAX 2 flag 292
LOCK2 rcu_read

ipc/sem.c semctl_setval() -> ipcperms()

Type Parameter Key Value
PARAM_VALUE 1 ipcp 4096-ptr_max
PARAM_VALUE 2 flag 146
DATA_SOURCE 0 ns $0
LOCK2 rcu_read

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

Type Parameter Key Value
PARAM_VALUE 1 ipcp 4096-ptr_max
PARAM_VALUE 2 flag 292
DATA_SOURCE 0 ns $0
LOCK2 rcu_read

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

Type Parameter Key Value
PARAM_VALUE 1 ipcp 4096-ptr_max
PARAM_VALUE 2 flag 292
LOCK2 rcu_read

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

Type Parameter Key Value
PARAM_VALUE 0 ns 4096-ptr_max
PARAM_VALUE 1 ipcp 4096-ptr_max
PARAM_VALUE 2 flag 146
PREEMPT_ADD <- disables preempt
LOCK2 &msq->q_perm.lock
LOCK2 rcu_read
TYPE_LOCK (struct kern_ipc_perm)->lock

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

Type Parameter Key Value
PARAM_VALUE 1 ipcp 4096-ptr_max
PARAM_VALUE 2 flag 292
DATA_SOURCE 0 ns $0
LOCK2 rcu_read

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

Type Parameter Key Value
PARAM_VALUE 1 ipcp 4096-ptr_max
PARAM_VALUE 2 flag 292,365,438,511
BIT_INFO 2 flag 0x124,0x1ff
LOCK2 rcu_read

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

Type Parameter Key Value
PARAM_VALUE 1 ipcp 4096-ptr_max
PARAM_VALUE 2 flag 292
DATA_SOURCE 0 ns $0
LOCK2 rcu_read