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Florian Westphal authored
else we will oops (null deref) when the attributes aren't present. Also add back the EOPNOTSUPP in case MARK filtering is requested but kernel doesn't support it. Fixes: 59c08c69 ("netfilter: ctnetlink: Support L3 protocol-filter on flush") Reported-by: syzbot+e45eda8eda6e93a03959@syzkaller.appspotmail.com Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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