Commit 282c4c0e authored Jun 12, 2013 by Dan Carpenter Committed by Linus Torvalds Jun 12, 2013

drivers/misc/sgi-gru/grufile.c: fix info leak in gru_get_config_info()



The "info.fill" array isn't initialized so it can leak uninitialized stack
information to user space.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Robin Holt <holt@sgi.com>
Acked-by: Dimitri Sivanich <sivanich@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 4fcc712f

drivers/misc/sgi-gru/grufile.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -172,6 +172,7 @@ static long gru_get_config_info(unsigned long arg)
		nodesperblade = 2;
		else
		nodesperblade = 1;
		memset(&info, 0, sizeof(info));
		info.cpus = num_online_cpus();
		info.nodes = num_online_nodes();
		info.blades = info.nodes / nodesperblade;