rtime.felk.cvut.cz Git - linux-imx.git/commit

author	Vasiliy Kulikov <segooon@gmail.com>
	Sat, 30 Oct 2010 14:22:49 +0000 (18:22 +0400)
committer	Andi Kleen <ak@linux.intel.com>
	Tue, 14 Dec 2010 22:40:07 +0000 (23:40 +0100)
commit	e4b338bfb1e607111ab7b56cb6d497b08567c7e3
tree	c700f5d31a19d21313d06d2c0c27101632158fd1	tree \| snapshot
parent	154893c8527b3eba012328c43736dfb918627edb	commit \| diff

ipc: shm: fix information leak to userland

commit 3af54c9bd9e6f14f896aac1bb0e8405ae0bc7a44 upstream.

The shmid_ds structure is copied to userland with shm_unused{,2,3}
fields unitialized. It leads to leaking of contents of kernel stack
memory.

Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Andi Kleen <ak@linux.intel.com>