netdev - Re: [syzbot] [net?] WARNING in __linkwatch_sync

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Message-ID: <67f5f089.050a0220.258fea.0009.GAE@google.com>
Date: Tue, 08 Apr 2025 20:59:05 -0700
From: syzbot <syzbot+48c14f61594bdfadb086@...kaller.appspotmail.com>
To: andrew@...n.ch, davem@...emloft.net, edumazet@...gle.com, horms@...nel.org, 
	jv@...sburgh.net, kuba@...nel.org, linux-kernel@...r.kernel.org, 
	liuhangbin@...il.com, netdev@...r.kernel.org, pabeni@...hat.com, 
	sdf@...ichev.me, stfomichev@...il.com, sven@...fation.org, 
	sw@...onwunderlich.de, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [net?] WARNING in __linkwatch_sync_dev

syzbot has bisected this issue to:

commit 00b35530811f2aa3d7ceec2dbada80861c7632a8
Author: Eric Dumazet <edumazet@...gle.com>
Date:   Thu Feb 6 14:04:22 2025 +0000

    batman-adv: adopt netdev_hold() / netdev_put()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=175db74c580000
start commit:   7702d0130dc0 Add linux-next specific files for 20250408
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=14ddb74c580000
console output: https://syzkaller.appspot.com/x/log.txt?x=10ddb74c580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=91edf513888f57d7
dashboard link: https://syzkaller.appspot.com/bug?extid=48c14f61594bdfadb086
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11520398580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16b1323f980000

Reported-by: syzbot+48c14f61594bdfadb086@...kaller.appspotmail.com
Fixes: 00b35530811f ("batman-adv: adopt netdev_hold() / netdev_put()")

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