From 185c88b1ef47f9b0a35b92e7a66d51b4acce2136 Mon Sep 17 00:00:00 2001 From: Pan Bian Date: Sun, 23 Apr 2017 15:09:19 +0800 Subject: tipc: check return value of nlmsg_new [ Upstream commit 78302fd405769c9a9379e9adda119d533dce2eed ] Function nlmsg_new() will return a NULL pointer if there is no enough memory, and its return value should be checked before it is used. However, in function tipc_nl_node_get_monitor(), the validation of the return value of function nlmsg_new() is missed. This patch fixes the bug. Signed-off-by: Pan Bian Signed-off-by: David S. Miller Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- net/tipc/node.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'net/tipc') diff --git a/net/tipc/node.c b/net/tipc/node.c index 5b3e1ea37b6d..db8fbc076e1a 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -2094,6 +2094,8 @@ int tipc_nl_node_get_monitor(struct sk_buff *skb, struct genl_info *info) int err; msg.skb = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + if (!msg.skb) + return -ENOMEM; msg.portid = info->snd_portid; msg.seq = info->snd_seq; -- cgit v1.2.3