| commit | 547c4b547e07dcc60874b6ef6252dd49ff74aec1 | [log] [tgz] |
|---|---|---|
| author | Florian Westphal <fw@strlen.de> | Mon Apr 20 12:35:47 2015 +0200 |
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | Fri Apr 24 20:51:40 2015 +0200 |
| tree | 942709ba5115ae7840efc3d71b6093de4b39e575 | |
| parent | 4c4ed0748f82e26d8b884383e6737cf5a861ed6f [diff] |
netfilter: bridge: fix NULL deref in physin/out ifindex helpers
Might not have an outdev yet. We'll oops when iface goes down while skbs
are still nfqueue'd:
RIP: 0010:[<ffffffff81422a2f>] [<ffffffff81422a2f>] dev_cmp+0x4f/0x80
nfqnl_rcv_dev_event+0xe2/0x150
notifier_call_chain+0x53/0xa0
Fixes: c737b7c4510026 ("netfilter: bridge: add helpers for fetching physin/outdev")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>