Li Zefan 091d0d55b2 shm: fix null pointer deref when userspace specifies invalid hugepage size ... Dave reported an oops triggered by trinity: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 IP: newseg+0x10d/0x390 PGD cf8c1067 PUD cf8c2067 PMD 0 Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC CPU: 2 PID: 7636 Comm: trinity-child2 Not tainted 3.9.0+#67 ... Call Trace: ipcget+0x182/0x380 SyS_shmget+0x5a/0x60 tracesys+0xdd/0xe2 This bug was introduced by commit af73e4d950 ("hugetlbfs: fix mmap failure in unaligned size request"). Reported-by: Dave Jones <davej@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by: Li Zefan <lizfan@huawei.com> Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2013-05-09 14:22:47 -07:00
..
compat_mq.c	ipc: initialize structure memory to zero for compat functions	2010-10-27 18:03:13 -07:00
compat.c	get rid of union semop in sys_semctl(2) arguments	2013-03-05 15:14:16 -05:00
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	Add generic sys_ipc wrapper	2010-03-12 15:52:32 -08:00
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: use list_for_each_entry_[safe] for list traversing	2013-05-01 08:12:58 -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: fix semctl(..., GETNCNT)	2013-05-09 14:17:47 -07:00
shm.c	shm: fix null pointer deref when userspace specifies invalid hugepage size	2013-05-09 14:22:47 -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_schedule_free() can do vfree() directly now	2013-05-02 08:03:33 -07:00
util.h	ipc,sem: fine grained locking for semtimedop	2013-05-01 08:12:58 -07:00