openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

net: tipc: fix a missing check for nla_nest_start 

nla_nest_start may fail. The fix check its status and returns
-EMSGSIZE in case it fails.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kangjie Lu 2019-03-16 16:46:05 -05:00 committed by David S. Miller
parent 9180bb4f04
commit 517ccc2aa5
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/tipc/socket.c
View File

@ -3255,6 +3255,8 @@ static int __tipc_nl_add_sk_con(struct sk_buff *skb, struct tipc_sock *tsk)
peer_port = tsk_peer_port(tsk);
nest = nla_nest_start(skb, TIPC_NLA_SOCK_CON);
if (!nest)
return -EMSGSIZE;
if (nla_put_u32(skb, TIPC_NLA_CON_NODE, peer_node))
goto msg_full;