From: Florian Westphal <fw@strlen.de>
To: Ren Wei <weir@nebusec.ai>
Cc: netfilter-devel@vger.kernel.org, pablo@netfilter.org,
phil@nwl.cc, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, horms@kernel.org,
kaber@trash.net, vega@nebusec.ai, petalzu987@gmail.com
Subject: Re: [PATCH nf 0/1] netfilter: nf_ip6_checksum: validate checksum offset
Date: Fri, 18 Sep 2026 16:15:05 +0200 [thread overview]
Message-ID: <aq1HaYS96SNn7HJY@strlen.de> (raw)
In-Reply-To: <aq0UpHHbvxjR2jLb@strlen.de>
Florian Westphal <fw@strlen.de> wrote:
> > We will provide detailed information about the bug in this email,
> > along with a PoC to trigger it.
>
> patch is fine, but could you make another patch that either fixes
> ipv6_find_hdr() or ip6_packet_match() / nft_set_pktinfo_ipv6() as well?
To clarify, I agree with this patch, I don't mean that the other
patch should replace this one. I see them as separate issues, so:
Acked-by: Florian Westphal <fw@strlen.de>
> If I read this right then ipv6_find_hdr() returns nexthdr 'TCP',
> but its clear packet is malformed and that header isn't there.
ipv6_skip_exthdr() may have the same issue.
next prev parent reply other threads:[~2026-09-18 14:15 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-18 9:26 [PATCH nf 0/1] netfilter: nf_ip6_checksum: validate checksum offset Ren Wei
2026-09-18 9:26 ` [PATCH nf 1/1] " Ren Wei
2026-09-18 10:38 ` [PATCH nf 0/1] " Florian Westphal
2026-09-18 11:33 ` Pablo Neira Ayuso
2026-09-18 14:15 ` Florian Westphal [this message]
2026-09-19 14:35 ` Zixuan Chai
2026-10-08 16:01 ` Zixuan Chai
2026-10-08 17:24 ` Florian Westphal
2026-10-08 23:29 ` Pablo Neira Ayuso
2026-10-09 0:05 ` Florian Westphal
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