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From: syzbot <syzbot+4036165fc595a74b09b2@syzkaller.appspotmail.com>
To: adilger.kernel@dilger.ca, amir73il@gmail.com,
	dhowells@redhat.com,  edumazet@google.com,
	linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org,
	 linux-unionfs@vger.kernel.org, miklos@szeredi.hu,
	sven@narfation.org,  sw@simonwunderlich.de,
	syzkaller-bugs@googlegroups.com, tytso@mit.edu
Subject: Re: [syzbot] [ext4?] [overlayfs?] WARNING in file_seek_cur_needs_f_lock
Date: Mon, 07 Apr 2025 14:10:01 -0700	[thread overview]
Message-ID: <67f43f29.050a0220.396535.0554.GAE@google.com> (raw)
In-Reply-To: <67f34d24.050a0220.0a13.027c.GAE@google.com>

syzbot has bisected this issue to:

commit 00b35530811f2aa3d7ceec2dbada80861c7632a8
Author: Eric Dumazet <edumazet@google.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=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@syzkaller.appspotmail.com
Fixes: 00b35530811f ("batman-adv: adopt netdev_hold() / netdev_put()")

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

      parent reply	other threads:[~2025-04-07 21:10 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-07  3:57 [syzbot] [ext4?] [overlayfs?] WARNING in file_seek_cur_needs_f_lock syzbot
2025-04-07  9:18 ` Miklos Szeredi
2025-04-07 14:07   ` syzbot
2025-04-07 21:02     ` David Howells
2025-04-08  6:17       ` Miklos Szeredi
2025-04-07 21:10 ` syzbot [this message]

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