Davidlohr Bueso bd58e2dc27 ipc,shm: shorten critical region for shmat ... commit c2c737a0461e61a34676bd0bd1bc1a70a1b4e396 upstream. Similar to other system calls, acquire the kern_ipc_perm lock after doing the initial permission and security checks. [sasha.levin@oracle.com: dont leave do_shmat with rcu lock held] Signed-off-by: Davidlohr Bueso <davidlohr.bueso@hp.com> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Cc: Rik van Riel <riel@redhat.com> Cc: Manfred Spraul <manfred@colorfullife.com> Signed-off-by: Sasha Levin <sasha.levin@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2013-10-18 07:45:47 -07:00
..
compat.c	get rid of union semop in sys_semctl(2) arguments	2013-03-05 15:14:16 -05:00
compat_mq.c	ipc: initialize structure memory to zero for compat functions	2010-10-27 18:03:13 -07:00
ipc_sysctl.c	ipc: add sysctl to specify desired next object id	2013-01-04 16:11:45 -08:00
ipcns_notifier.c	ipc: do not use a negative value to re-enable msgmni automatic recomputing	2008-07-25 10:53:42 -07:00
Makefile
mq_sysctl.c	mqueue: separate mqueue default value from maximum value	2012-05-31 17:49:31 -07:00
mqueue.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2013-03-28 13:43:46 -07:00
msg.c	ipc/msg.c: Fix lost wakeup in msgsnd().	2013-10-18 07:45:47 -07:00
msgutil.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2013-05-01 17:51:54 -07:00
namespace.c	proc: Split the namespace stuff out into linux/proc_ns.h	2013-05-01 17:29:39 -04:00
sem.c	ipc/sem.c: rename try_atomic_semop() to perform_atomic_semop(), docu update	2013-10-18 07:45:47 -07:00
shm.c	ipc,shm: shorten critical region for shmat	2013-10-18 07:45:47 -07:00
syscall.c	get rid of union semop in sys_semctl(2) arguments	2013-03-05 15:14:16 -05:00
util.c	ipc: drop ipcctl_pre_down	2013-10-18 07:45:47 -07:00
util.h	ipc: drop ipcctl_pre_down	2013-10-18 07:45:47 -07:00