Skip to content
Browse files

taskstats: cgroupstats_user_cmd() may leak on error

If prepare_reply() succeeds we have allocated memory for 'rep_skb'.  If
nla_reserve() then subsequently fails and returns NULL we fail to release
the memory we allocated, thus causing a leak.

Signed-off-by: Jesper Juhl <>
Cc: Balbir Singh <>
Signed-off-by: Andrew Morton <>
Signed-off-by: Linus Torvalds <>
  • Loading branch information...
1 parent 322c9ec commit 0324b5a450f8a58304e93c5d886add24ca3527bc @jjuhl jjuhl committed with Oct 4, 2012
Showing with 1 addition and 0 deletions.
  1. +1 −0 kernel/taskstats.c
1 kernel/taskstats.c
@@ -445,6 +445,7 @@ 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) {
+ nlmsg_free(rep_skb);
goto err;

0 comments on commit 0324b5a

Please sign in to comment.
Something went wrong with that request. Please try again.