Linus Torvalds b9a5322779 Initialize msg/shm IPC objects before doing ipc_addid() ... As reported by Dmitry Vyukov, we really shouldn't do ipc_addid() before having initialized the IPC object state. Yes, we initialize the IPC object in a locked state, but with all the lockless RCU lookup work, that IPC object lock no longer means that the state cannot be seen. We already did this for the IPC semaphore code (see commit e8577d1f03: "ipc/sem.c: fully initialize sem_array before making it visible") but we clearly forgot about msg and shm. Reported-by: Dmitry Vyukov <dvyukov@google.com> Cc: Manfred Spraul <manfred@colorfullife.com> Cc: Davidlohr Bueso <dbueso@suse.de> Cc: stable@vger.kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2015-09-30 12:48:40 -04:00
..
compat.c
compat_mq.c
ipc_sysctl.c
Makefile
mq_sysctl.c
mqueue.c	ipc: modify message queue accounting to not take kernel data structures into account	2015-08-07 04:39:39 +03:00
msg.c	Initialize msg/shm IPC objects before doing ipc_addid()	2015-09-30 12:48:40 -04:00
msgutil.c	ipc: convert invalid scenarios to use WARN_ON	2015-09-10 13:29:01 -07:00
namespace.c
sem.c	ipc/sem.c: update/correct memory barriers	2015-08-14 15:56:32 -07:00
shm.c	Initialize msg/shm IPC objects before doing ipc_addid()	2015-09-30 12:48:40 -04:00
syscall.c
util.c	Initialize msg/shm IPC objects before doing ipc_addid()	2015-09-30 12:48:40 -04:00
util.h	ipc: rename ipc_obtain_object	2015-06-30 19:44:58 -07:00