netdev - Re: [PATCH net-next 0/9] netfilter: updates for net-next

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Message-ID: <aXsxr8KQGFOhnLIa@strlen.de>
Date: Thu, 29 Jan 2026 11:08:47 +0100
From: Florian Westphal <fw@...len.de>
To: Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>, netfilter-devel@...r.kernel.org,
	pablo@...filter.org
Subject: Re: [PATCH net-next 0/9] netfilter: updates for net-next

Florian Westphal <fw@...len.de> wrote:
> Jakub Kicinski <kuba@...nel.org> wrote:
> > [  580.340726][T19113] sctp: Hash tables configured (bind 32/56)
> > [  601.749973][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
> > [  601.985349][    C2] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
> > [  602.191750][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
> > [  602.555469][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
> > [  602.895890][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
> > [  603.226543][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
> > [  603.435907][    C0] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
> > [  603.569421][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
> > [  603.672454][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
> > [  603.821679][    C1] TCP: request_sock_TCP: Possible SYN flooding on port 127.0.0.1:23456. Sending cookies.
> > [  618.553975][T19316] ==================================================================
> > [  618.554200][T19316] BUG: KASAN: slab-use-after-free in nfqnl_enqueue_packet+0x8f1/0x9e0 [nfnetlink_queue]
> > [  618.554424][T19316] Write of size 1 at addr ff1100001cc9ae68 by task socat/19316
> > [  618.554600][T19316] 
> 
> Did not occur here during local testing :-(
> 
> Should I send a v2 without the last two patches or will you pull and
> discard the last two changes?

Alternatively you can also pull this:

  https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next.git tags/nf-next-26-01-29

Which is the same series but without the last two patches, i.e. up to
e19079adcd26a25d7d3e586b1837493361fdf8b6:

  netfilter: nfnetlink_queue: optimize verdict lookup with hash table (2026-01-29 09:52:07 +0100)

----------------------------------------------------------------
netfilter pull request nf-next-26-01-29

----------------------------------------------------------------
Jinjie Ruan (1):
      netfilter: xt_time: use is_leap_year() helper

Lorenzo Bianconi (5):
      netfilter: Add ctx pointer in nf_flow_skb_encap_protocol/nf_flow_ip4_tunnel_proto signature
      netfilter: Introduce tunnel metadata info in nf_flowtable_ctx struct
      netfilter: flowtable: Add IP6IP6 rx sw acceleration
      netfilter: flowtable: Add IP6IP6 tx sw acceleration
      selftests: netfilter: nft_flowtable.sh: Add IP6IP6 flowtable selftest

Scott Mitchell (1):
      netfilter: nfnetlink_queue: optimize verdict lookup with hash table

6 files changed, 408 insertions(+), 81 deletions(-)