Commit 25353b33 authored Jul 30, 2012 by Alan Cox Committed by Linus Torvalds Jul 30, 2012

taskstats: check nla_reserve() return

Addresses https://bugzilla.kernel.org/show_bug.cgi?id=44621



Reported-by:  <rucsoftsec@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent fd4b616b

kernel/taskstats.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -436,6 +436,11 @@ static int cgroupstats_user_cmd(struct sk_buff skb, struct genl_info info)

		na = nla_reserve(rep_skb, CGROUPSTATS_TYPE_CGROUP_STATS,
		sizeof(struct cgroupstats));
		if (na == NULL) {
		rc = -EMSGSIZE;
		goto err;
		}

		stats = nla_data(na);
		memset(stats, 0, sizeof(*stats));