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Message-ID: <00000000000057abc4061c40aa8b@google.com>
Date: Tue, 02 Jul 2024 02:52:01 -0700
From: syzbot <syzbot+c041b4ce3a6dfd1e63e2@...kaller.appspotmail.com>
To: davem@...emloft.net, eadavis@...com, edumazet@...gle.com, hdanton@...a.com,
jchapman@...alix.com, kuba@...nel.org, linux-kernel@...r.kernel.org,
netdev@...r.kernel.org, pabeni@...hat.com, samuel.thibault@...-lyon.org,
syzkaller-bugs@...glegroups.com, tparkin@...alix.com
Subject: Re: [syzbot] [net?] KASAN: slab-use-after-free Write in l2tp_session_delete
syzbot has bisected this issue to:
commit d18d3f0a24fc4a3513495892ab1a3753628b341b
Author: James Chapman <jchapman@...alix.com>
Date: Thu Jun 20 11:22:44 2024 +0000
l2tp: replace hlist with simple list for per-tunnel session list
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15f2a512980000
start commit: 185d72112b95 net: xilinx: axienet: Enable multicast by def..
git tree: net-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=17f2a512980000
console output: https://syzkaller.appspot.com/x/log.txt?x=13f2a512980000
kernel config: https://syzkaller.appspot.com/x/.config?x=e78fc116033e0ab7
dashboard link: https://syzkaller.appspot.com/bug?extid=c041b4ce3a6dfd1e63e2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12521b9c980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1062bd46980000
Reported-by: syzbot+c041b4ce3a6dfd1e63e2@...kaller.appspotmail.com
Fixes: d18d3f0a24fc ("l2tp: replace hlist with simple list for per-tunnel session list")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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