korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2025-01-21 13:24:15 +08:00
Code Issues Packages Projects Releases Wiki Activity

tipc: Fix potential OOB in tipc_link_proto_rcv()

Browse Source 
[ Upstream commit 743117a997 ]

Fix the potential risk of OOB if skb_linearize() fails in
tipc_link_proto_rcv().

Fixes: 5cbb28a4bf ("tipc: linearize arriving NAME_DISTR and LINK_PROTO buffers")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20221203094635.29024-1-yuehaibing@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
YueHaibing 2022-12-03 17:46:35 +08:00 committed by Greg Kroah-Hartman
parent b8ce0e6f9f
commit af4ccae4b7
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
net/tipc/link.c
View File

@ -2223,7 +2223,9 @@ static int tipc_link_proto_rcv(struct tipc_link *l, struct sk_buff *skb,
if (tipc_own_addr(l->net) > msg_prevnode(hdr))
l->net_plane = msg_net_plane(hdr);
skb_linearize(skb);
if (skb_linearize(skb))
goto exit;
hdr = buf_msg(skb);
data = msg_data(hdr);