Re: [syzbot] [ext4?] [overlayfs?] WARNING in file_seek_cur_needs_f_lock

[syzbot]

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=175f8c04580000
start commit:   16cd1c265776 Merge tag 'timers-cleanups-2025-04-06' of git..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=14df8c04580000
console output: https://syzkaller.appspot.com/x/log.txt?x=10df8c04580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=c79406130aa88d22
dashboard link: https://syzkaller.appspot.com/bug?extid=4036165fc595a74b09b2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14f9bd98580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1571c7e4580000

Reported-by: syzbot+4036165fc595a74b09b2@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 00b35530811f ("batman-adv: adopt netdev_hold() / netdev_put()")

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