linux-kernel - Re: [syzbot] [netfilter?] WARNING in nft_socket

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Message-ID: <688432a7.050a0220.1a379b.0001.GAE@google.com>
Date: Fri, 25 Jul 2025 18:43:03 -0700
From: syzbot <syzbot+a225fea35d7baf8dbdc3@...kaller.appspotmail.com>
To: coreteam@...filter.org, davem@...emloft.net, edumazet@...gle.com, 
	fw@...len.de, horms@...nel.org, kadlec@...filter.org, kuba@...nel.org, 
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org, 
	netfilter-devel@...r.kernel.org, pabeni@...hat.com, pablo@...filter.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [netfilter?] WARNING in nft_socket_init (2)

syzbot has bisected this issue to:

commit 7f3287db654395f9c5ddd246325ff7889f550286
Author: Florian Westphal <fw@...len.de>
Date:   Sat Sep 7 14:07:49 2024 +0000

    netfilter: nft_socket: make cgroupsv2 matching work with namespaces

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17ff50a2580000
start commit:   94619ea2d933 Merge tag 'ipsec-next-2025-07-23' of git://gi..
git tree:       net-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1400d0a2580000
console output: https://syzkaller.appspot.com/x/log.txt?x=1000d0a2580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=ceda48240b85ec34
dashboard link: https://syzkaller.appspot.com/bug?extid=a225fea35d7baf8dbdc3
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12bf10a2580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13d27fd4580000

Reported-by: syzbot+a225fea35d7baf8dbdc3@...kaller.appspotmail.com
Fixes: 7f3287db6543 ("netfilter: nft_socket: make cgroupsv2 matching work with namespaces")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection