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From: syzbot <syzbot+4c493dcd5a68168a94b2@syzkaller.appspotmail.com>
To: axboe@kernel.dk, gregkh@linuxfoundation.org, hch@lst.de,
	 linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	 linux-unionfs@vger.kernel.org, miklos@szeredi.hu,
	rafael@kernel.org,  syzkaller-bugs@googlegroups.com,
	tj@kernel.org
Subject: Re: [syzbot] [kernfs?] possible deadlock in kernfs_seq_start
Date: Wed, 08 May 2024 08:13:03 -0700	[thread overview]
Message-ID: <0000000000002d41840617f2bd39@google.com> (raw)
In-Reply-To: <0000000000006399c80617120daa@google.com>

syzbot has bisected this issue to:

commit 1e8c813b083c4122dfeaa5c3b11028331026e85d
Author: Christoph Hellwig <hch@lst.de>
Date:   Wed May 31 12:55:32 2023 +0000

    PM: hibernate: don't use early_lookup_bdev in resume_store

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1380072f180000
start commit:   dccb07f2914c Merge tag 'for-6.9-rc7-tag' of git://git.kern..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1040072f180000
console output: https://syzkaller.appspot.com/x/log.txt?x=1780072f180000
kernel config:  https://syzkaller.appspot.com/x/.config?x=9d7ea7de0cb32587
dashboard link: https://syzkaller.appspot.com/bug?extid=4c493dcd5a68168a94b2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1134f3c0980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1367a504980000

Reported-by: syzbot+4c493dcd5a68168a94b2@syzkaller.appspotmail.com
Fixes: 1e8c813b083c ("PM: hibernate: don't use early_lookup_bdev in resume_store")

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

      parent reply	other threads:[~2024-05-08 15:13 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-27 11:09 [syzbot] [kernfs?] possible deadlock in kernfs_seq_start syzbot
2024-05-08  5:36 ` syzbot
2024-05-08 23:19   ` Hillf Danton
2024-05-09  6:37     ` Amir Goldstein
2024-05-09 10:48       ` Hillf Danton
2024-05-09 14:52         ` Amir Goldstein
2024-05-09 23:26           ` Hillf Danton
2024-05-10 11:33             ` Hillf Danton
2024-05-10 10:26   ` Hillf Danton
2024-05-10 10:47     ` syzbot
2024-05-08 15:13 ` syzbot [this message]

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