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

From: syzbot
Date: Tue Apr 08 2025 - 23:59:12 EST


syzbot has bisected this issue to:

commit 00b35530811f2aa3d7ceec2dbada80861c7632a8
Author: Eric Dumazet <edumazet@xxxxxxxxxx>
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@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 00b35530811f ("batman-adv: adopt netdev_hold() / netdev_put()")

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