Commit 282c4c0e authored by Dan Carpenter's avatar Dan Carpenter Committed by Linus Torvalds

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: default avatarDan Carpenter <dan.carpenter@oracle.com>
Acked-by: default avatarRobin Holt <holt@sgi.com>
Acked-by: default avatarDimitri Sivanich <sivanich@sgi.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 4fcc712f
...@@ -172,6 +172,7 @@ static long gru_get_config_info(unsigned long arg) ...@@ -172,6 +172,7 @@ static long gru_get_config_info(unsigned long arg)
nodesperblade = 2; nodesperblade = 2;
else else
nodesperblade = 1; nodesperblade = 1;
memset(&info, 0, sizeof(info));
info.cpus = num_online_cpus(); info.cpus = num_online_cpus();
info.nodes = num_online_nodes(); info.nodes = num_online_nodes();
info.blades = info.nodes / nodesperblade; info.blades = info.nodes / nodesperblade;
......
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