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authorFlorian Westphal <fw@strlen.de>2015-04-20 12:35:47 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2015-04-24 20:51:40 +0200
commit547c4b547e07dcc60874b6ef6252dd49ff74aec1 (patch)
tree942709ba5115ae7840efc3d71b6093de4b39e575 /net
parent4c4ed0748f82e26d8b884383e6737cf5a861ed6f (diff)
downloadkernel-547c4b547e07dcc60874b6ef6252dd49ff74aec1.tar.gz
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>
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