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From: Christian Brauner <brauner@kernel.org>
To: syzbot <syzbot+062317ea1d0a6d5e29e7@syzkaller.appspotmail.com>
Cc: axboe@kernel.dk, chao@kernel.org, daniel.vetter@ffwll.ch,
	hdanton@sina.com, jack@suse.cz, jaegeuk@kernel.org,
	jinpu.wang@ionos.com, linux-f2fs-devel@lists.sourceforge.net,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	mairacanal@riseup.net, mcanal@igalia.com,
	reiserfs-devel@vger.kernel.org, syzkaller-bugs@googlegroups.com,
	terrelln@fb.com, willy@infradead.org, yukuai3@huawei.com
Subject: Re: [syzbot] [reiserfs?] possible deadlock in super_lock
Date: Mon, 9 Oct 2023 14:37:15 +0200	[thread overview]
Message-ID: <20231009-leihgabe-abseilen-26e86d03f787@brauner> (raw)
In-Reply-To: <00000000000071133306073f06ca@google.com>

On Sun, Oct 08, 2023 at 07:05:32PM -0700, syzbot wrote:
> syzbot has bisected this issue to:
> 
> commit 7908632f2927b65f7486ae6b67c24071666ba43f
> Author: Maíra Canal <mcanal@igalia.com>
> Date:   Thu Sep 14 10:19:02 2023 +0000
> 
>     Revert "drm/vkms: Fix race-condition between the hrtimer and the atomic commit"
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=17fc0565680000
> start commit:   2cf0f7156238 Merge tag 'nfs-for-6.6-2' of git://git.linux-..
> git tree:       upstream
> final oops:     https://syzkaller.appspot.com/x/report.txt?x=14020565680000
> console output: https://syzkaller.appspot.com/x/log.txt?x=10020565680000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=710dc49bece494df
> dashboard link: https://syzkaller.appspot.com/bug?extid=062317ea1d0a6d5e29e7
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=107e9518680000
> 
> Reported-by: syzbot+062317ea1d0a6d5e29e7@syzkaller.appspotmail.com
> Fixes: 7908632f2927 ("Revert "drm/vkms: Fix race-condition between the hrtimer and the atomic commit"")
> 
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

The bisect is obviously bogus. I haven't seend that bug report before
otherwise I would've already fixed this way earlier:

#syz test: https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git b4/vfs-fixes-reiserfs

  reply	other threads:[~2023-10-09 12:37 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-03 22:30 [syzbot] [f2fs?] possible deadlock in super_lock syzbot
2023-09-20  9:13 ` [syzbot] [reiserfs?] " syzbot
2023-10-08 15:14 ` syzbot
2023-10-09  2:05 ` syzbot
2023-10-09 12:37   ` Christian Brauner [this message]
2023-10-09 14:19     ` syzbot
2023-12-24 16:40 ` syzbot
2023-12-28 10:50   ` Christian Brauner
2024-01-02 12:14     ` Jan Kara
     [not found] <20230921111321.181-1-hdanton@sina.com>
2023-09-21 11:33 ` syzbot
     [not found] <20230922124125.240-1-hdanton@sina.com>
2023-09-22 13:11 ` syzbot
     [not found] <20230923010437.297-1-hdanton@sina.com>
2023-09-23  1:14 ` syzbot
     [not found] <20230923024635.1249-1-hdanton@sina.com>
2023-09-23  3:02 ` syzbot
     [not found] <20230923040320.1384-1-hdanton@sina.com>
2023-09-23  4:26 ` syzbot
     [not found] <20231009112906.2143-1-hdanton@sina.com>
2023-10-09 14:01 ` syzbot
     [not found] <20231010111343.2257-1-hdanton@sina.com>
2023-10-10 11:49 ` syzbot

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