Re: [syzbot] [netfilter?] WARNING in nf_flow_offload_ip_hook

syzbot <[email protected]> Tue, 04 Aug 2026 04:52:02 -0700

Newsgroups	gmane.comp.security.firewalls.netfilter.devel,gmane.linux.kernel,gmane.linux.network
Message-ID	<[email protected]>

syzbot has bisected this issue to:

commit a890348adcc993f48d1ae38f1174dc8de4c3c5ac
Author: Stanislav Fomichev <[email protected]>
Date:   Mon Aug 18 15:40:32 2025 +0000

    net: Add skb_dst_check_unset

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=135ab649580000
start commit:   075b74841bd0 Linux 7.2-rc6
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=10dab649580000
console output: https://syzkaller.appspot.com/x/log.txt?x=175ab649580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=145fa60d73086782
dashboard link: https://syzkaller.appspot.com/bug?extid=76d4e3a055aec3b007ec
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14725db9580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12581c9e580000

Reported-by: [email protected]
Fixes: a890348adcc9 ("net: Add skb_dst_check_unset")

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