git.stricted.de - GitHub/exynos8895/android_kernel_samsung

author	Jann Horn <jannh@google.com>
	Wed, 1 Jun 2016 09:55:06 +0000 (11:55 +0200)
committer	Min Chong <mchong@google.com>
	Mon, 25 Jul 2016 20:03:32 +0000 (13:03 -0700)
commit	ed23e1145053fb43639a178e89e99bb14f11272b
tree	c603dd891195e20278768457e8f7f8b39b44e2a2	tree \| snapshot (tar.gz zip)
parent	53c39433d5fd7d71bec7e904a6fa6691a9e90fdc	commit \| diff

UPSTREAM: ecryptfs: forbid opening files without mmap handler

(cherry picked from commit 2f36db71009304b3f0b95afacd8eba1f9f046b87)

This prevents users from triggering a stack overflow through a recursive
invocation of pagefault handling that involves mapping procfs files into
virtual memory.

Signed-off-by: Jann Horn <jannh@google.com>
Acked-by: Tyler Hicks <tyhicks@canonical.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Change-Id: I0be77c7f8bd3046bc34cd87ef577529792d479bc
Bug: 29444228