Re: [syzbot] [net?] WARNING in unregister_vlan_dev

From: syzbot
Date: Sun Aug 13 2023 - 04:26:42 EST


syzbot has bisected this issue to:

commit 718cb09aaa6fa78cc8124e9517efbc6c92665384
Author: Vlad Buslov <vladbu@xxxxxxxxxx>
Date: Tue Aug 8 09:35:21 2023 +0000

vlan: Fix VLAN 0 memory leak

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12ac8d6fa80000
start commit: 048c796beb6e ipv6: adjust ndisc_is_useropt() to also retur..
git tree: net
final oops: https://syzkaller.appspot.com/x/report.txt?x=11ac8d6fa80000
console output: https://syzkaller.appspot.com/x/log.txt?x=16ac8d6fa80000
kernel config: https://syzkaller.appspot.com/x/.config?x=fa5bd4cd5ab6259d
dashboard link: https://syzkaller.appspot.com/bug?extid=662f783a5cdf3add2719
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1604a23da80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15261ffda80000

Reported-by: syzbot+662f783a5cdf3add2719@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 718cb09aaa6f ("vlan: Fix VLAN 0 memory leak")

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