diff options
Diffstat (limited to 'ipc/shm.c')
| -rw-r--r-- | ipc/shm.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/ipc/shm.c b/ipc/shm.c index 867e5d6a55c2..0c3debbe32d5 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -752,9 +752,10 @@ asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf) goto out_unlock; if (!capable(CAP_IPC_LOCK)) { + uid_t euid = current_euid(); err = -EPERM; - if (current->euid != shp->shm_perm.uid && - current->euid != shp->shm_perm.cuid) + if (euid != shp->shm_perm.uid && + euid != shp->shm_perm.cuid) goto out_unlock; if (cmd == SHM_LOCK && !current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur) |