linux-kernel - Re: [syzbot] KASAN: use-after-free Write in l2tp_tunnel_del

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Message-ID: <00000000000038ea0a05ef3afe8a@google.com>
Date:   Wed, 07 Dec 2022 03:12:15 -0800
From:   syzbot <syzbot+57d48d64daabde805330@...kaller.appspotmail.com>
To:     hdanton@...a.com, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] KASAN: use-after-free Write in l2tp_tunnel_del_work (2)

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+57d48d64daabde805330@...kaller.appspotmail.com

Tested on:

commit:         355479c7 Merge tag 'efi-fixes-for-v6.1-4' of git://git..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=16391af3880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=cc4b2e0a8e8a8366
dashboard link: https://syzkaller.appspot.com/bug?extid=57d48d64daabde805330
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=1311216b880000

Note: testing is done by a robot and is best-effort only.