56 	struct kern_ipc_perm	shm_perm;  member
100 	ipc_unlock(&(shp)->shm_perm)
128 	shp = container_of(ipcp, struct shmid_kernel, shm_perm);  in do_shm_rmid()
132 		shp->shm_perm.mode |= SHM_DEST;  in do_shm_rmid()
134 		ipc_set_key_private(&shm_ids(ns), &shp->shm_perm);  in do_shm_rmid()
176 	return container_of(ipcp, struct shmid_kernel, shm_perm);  in shm_obtain_object()
186 	return container_of(ipcp, struct shmid_kernel, shm_perm);  in shm_obtain_object_check()
211 		return container_of(ipcp, struct shmid_kernel, shm_perm);  in shm_lock()
228 	ipc_lock_object(&ipcp->shm_perm);  in shm_lock_by_ptr()
236 							shm_perm);  in shm_rcu_free()
237 	security_shm_free(&shp->shm_perm);  in shm_rcu_free()
277 	ipc_rmid(&shm_ids(s->ns), &s->shm_perm);  in shm_rmid()
345 	ipc_rcu_putref(&shp->shm_perm, shm_rcu_free);  in shm_destroy()
362 		(shp->shm_perm.mode & SHM_DEST));  in shm_may_destroy()
415 	struct shmid_kernel *shp = container_of(ipcp, struct shmid_kernel, shm_perm);  in shm_try_destroy_orphaned()
496 		WARN_ON(!ipc_rcu_getref(&shp->shm_perm));  in exit_shm()
519 		ipc_rcu_putref(&shp->shm_perm, shm_rcu_free);  in exit_shm()
521 		if (ipc_valid_object(&shp->shm_perm)) {  in exit_shm()
729 	shp->shm_perm.key = key;  in newseg()
730 	shp->shm_perm.mode = (shmflg & S_IRWXUGO);  in newseg()
733 	shp->shm_perm.security = NULL;  in newseg()
734 	error = security_shm_alloc(&shp->shm_perm);  in newseg()
780 	error = ipc_addid(&shm_ids(ns), &shp->shm_perm, ns->shm_ctlmni);  in newseg()
794 	file_inode(file)->i_ino = shp->shm_perm.id;  in newseg()
797 	error = shp->shm_perm.id;  in newseg()
799 	ipc_unlock_object(&shp->shm_perm);  in newseg()
807 	ipc_rcu_putref(&shp->shm_perm, shm_rcu_free);  in newseg()
810 	call_rcu(&shp->shm_perm.rcu, shm_rcu_free);  in newseg()
821 	shp = container_of(ipcp, struct shmid_kernel, shm_perm);  in shm_more_checks()
862 		ipc64_perm_to_ipc_perm(&in->shm_perm, &out.shm_perm);  in copy_shmid_to_user()
893 		out->shm_perm.uid	= tbuf_old.shm_perm.uid;  in copy_shmid_from_user()
894 		out->shm_perm.gid	= tbuf_old.shm_perm.gid;  in copy_shmid_from_user()
895 		out->shm_perm.mode	= tbuf_old.shm_perm.mode;  in copy_shmid_from_user()
980 		shp = container_of(ipc, struct shmid_kernel, shm_perm);  in shm_get_stat()
1004 				      &shmid64->shm_perm, 0);  in shmctl_down()
1010 	shp = container_of(ipcp, struct shmid_kernel, shm_perm);  in shmctl_down()
1012 	err = security_shm_shmctl(&shp->shm_perm, cmd);  in shmctl_down()
1018 		ipc_lock_object(&shp->shm_perm);  in shmctl_down()
1023 		ipc_lock_object(&shp->shm_perm);  in shmctl_down()
1024 		err = ipc_update_perm(&shmid64->shm_perm, ipcp);  in shmctl_down()
1035 	ipc_unlock_object(&shp->shm_perm);  in shmctl_down()
1113 		audit_ipc_obj(&shp->shm_perm);  in shmctl_stat()
1116 		if (ipcperms(ns, &shp->shm_perm, S_IRUGO))  in shmctl_stat()
1120 	err = security_shm_shmctl(&shp->shm_perm, cmd);  in shmctl_stat()
1124 	ipc_lock_object(&shp->shm_perm);  in shmctl_stat()
1126 	if (!ipc_valid_object(&shp->shm_perm)) {  in shmctl_stat()
1127 		ipc_unlock_object(&shp->shm_perm);  in shmctl_stat()
1132 	kernel_to_ipc64_perm(&shp->shm_perm, &tbuf->shm_perm);  in shmctl_stat()
1157 		err = shp->shm_perm.id;  in shmctl_stat()
1160 	ipc_unlock_object(&shp->shm_perm);  in shmctl_stat()
1179 	audit_ipc_obj(&(shp->shm_perm));  in shmctl_do_lock()
1180 	err = security_shm_shmctl(&shp->shm_perm, cmd);  in shmctl_do_lock()
1184 	ipc_lock_object(&shp->shm_perm);  in shmctl_do_lock()
1187 	if (!ipc_valid_object(&shp->shm_perm)) {  in shmctl_do_lock()
1195 		if (!uid_eq(euid, shp->shm_perm.uid) &&  in shmctl_do_lock()
1196 		    !uid_eq(euid, shp->shm_perm.cuid)) {  in shmctl_do_lock()
1214 		if (!err && !(shp->shm_perm.mode & SHM_LOCKED)) {  in shmctl_do_lock()
1215 			shp->shm_perm.mode |= SHM_LOCKED;  in shmctl_do_lock()
1222 	if (!(shp->shm_perm.mode & SHM_LOCKED))  in shmctl_do_lock()
1225 	shp->shm_perm.mode &= ~SHM_LOCKED;  in shmctl_do_lock()
1228 	ipc_unlock_object(&shp->shm_perm);  in shmctl_do_lock()
1236 	ipc_unlock_object(&shp->shm_perm);  in shmctl_do_lock()
1318 	struct compat_ipc_perm shm_perm;  member
1396 		to_compat_ipc64_perm(&v.shm_perm, &in->shm_perm);  in copy_compat_shmid_to_user()
1411 		to_compat_ipc_perm(&v.shm_perm, &in->shm_perm);  in copy_compat_shmid_to_user()
1412 		v.shm_perm.key = in->shm_perm.key;  in copy_compat_shmid_to_user()
1430 		return get_compat_ipc64_perm(&out->shm_perm, &p->shm_perm);  in copy_compat_shmid_from_user()
1433 		return get_compat_ipc_perm(&out->shm_perm, &p->shm_perm);  in copy_compat_shmid_from_user()
1589 	if (ipcperms(ns, &shp->shm_perm, acc_mode))  in do_shmat()
1592 	err = security_shm_shmat(&shp->shm_perm, shmaddr, shmflg);  in do_shmat()
1596 	ipc_lock_object(&shp->shm_perm);  in do_shmat()
1599 	if (!ipc_valid_object(&shp->shm_perm)) {  in do_shmat()
1600 		ipc_unlock_object(&shp->shm_perm);  in do_shmat()
1617 	ipc_unlock_object(&shp->shm_perm);  in do_shmat()
1638 	sfd->id = shp->shm_perm.id;  in do_shmat()
1848 	shp = container_of(ipcp, struct shmid_kernel, shm_perm);  in sysvipc_shm_proc_show()
1861 		   shp->shm_perm.key,  in sysvipc_shm_proc_show()
1862 		   shp->shm_perm.id,  in sysvipc_shm_proc_show()
1863 		   shp->shm_perm.mode,  in sysvipc_shm_proc_show()
1868 		   from_kuid_munged(user_ns, shp->shm_perm.uid),  in sysvipc_shm_proc_show()
1869 		   from_kgid_munged(user_ns, shp->shm_perm.gid),  in sysvipc_shm_proc_show()
1870 		   from_kuid_munged(user_ns, shp->shm_perm.cuid),  in sysvipc_shm_proc_show()
1871 		   from_kgid_munged(user_ns, shp->shm_perm.cgid),  in sysvipc_shm_proc_show()