linux-kernel - Re: [syzbot] [kernel?] general protection fault in timerqueue

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Message-ID: <20240129093920.tame7kmz46zmjpjf@quack3>
Date: Mon, 29 Jan 2024 10:39:20 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+500a5eabc2495aaeb60e@...kaller.appspotmail.com>
Cc: axboe@...nel.dk, brauner@...nel.org, jack@...e.cz,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	luto@...nel.org, peterz@...radead.org,
	reiserfs-devel@...r.kernel.org, syzkaller-bugs@...glegroups.com,
	tglx@...utronix.de, yukuai3@...wei.com, yuran.pereira@...mail.com
Subject: Re: [syzbot] [kernel?] general protection fault in timerqueue_del (2)

On Sat 27-01-24 23:18:03, syzbot 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=172204dfe80000
> start commit:   4b954598a47b Merge tag 'exfat-for-6.5-rc5' of git://git.ke..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=fa5bd4cd5ab6259d
> dashboard link: https://syzkaller.appspot.com/bug?extid=500a5eabc2495aaeb60e
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=169efdf6a80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13733f31a80000
> 
> If the result looks correct, please mark the issue as fixed by replying with:

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

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR