From 25353b3377d5a75d4b830477bb90a3691155de72 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Mon, 30 Jul 2012 14:42:49 -0700 Subject: [PATCH] taskstats: check nla_reserve() return Addresses https://bugzilla.kernel.org/show_bug.cgi?id=44621 Reported-by: Signed-off-by: Alan Cox Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/taskstats.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/kernel/taskstats.c b/kernel/taskstats.c index e660464..d0a3279 100644 --- a/kernel/taskstats.c +++ b/kernel/taskstats.c @@ -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)); -- 2.7.4