linux-kernel - Re: [syzbot] [reiserfs?] possible deadlock in __run

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Date: Tue, 16 Jan 2024 10:25:08 +0100
From: Aleksandr Nogikh <nogikh@...gle.com>
To: syzbot <syzbot+a3981d3c93cde53224be@...kaller.appspotmail.com>
Cc: axboe@...nel.dk, bp@...en8.de, brauner@...nel.org, 
	dave.hansen@...ux.intel.com, hpa@...or.com, jack@...e.cz, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	lizhi.xu@...driver.com, mingo@...hat.com, reiserfs-devel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com, tglx@...utronix.de, x86@...nel.org
Subject: Re: [syzbot] [reiserfs?] possible deadlock in __run_timers

#syz fix: fs: Block writes to mounted block devices

On Tue, Jan 16, 2024 at 3:39 AM syzbot
<syzbot+a3981d3c93cde53224be@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 6f861765464f43a71462d52026fbddfc858239a5
> Author: Jan Kara <jack@...e.cz>
> Date:   Wed Nov 1 17:43:10 2023 +0000
>
>     fs: Block writes to mounted block devices
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=152ab62be80000
> start commit:   88035e5694a8 Merge tag 'hid-for-linus-2023121201' of git:/..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=be2bd0a72b52d4da
> dashboard link: https://syzkaller.appspot.com/bug?extid=a3981d3c93cde53224be
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15befbfee80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17b20006e80000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: fs: Block writes to mounted block devices
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>