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

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Message-ID: <CANp29Y4Aq4SteF7HqnexK4azquKrUbV9-dcfBqsxFf3snMJrew@mail.gmail.com>
Date: Tue, 16 Jan 2024 10:24:48 +0100
From: Aleksandr Nogikh <nogikh@...gle.com>
To: syzbot <syzbot+dc6ed11a88fb40d6e184@...kaller.appspotmail.com>
Cc: aivazian.tigran@...il.com, axboe@...nel.dk, brauner@...nel.org, 
	jack@...e.cz, linux-fsdevel@...r.kernel.org, 
	linux-kernel-mentees@...ts.linuxfoundation.org, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com, yuran.pereira@...mail.com
Subject: Re: [syzbot] [bfs?] general protection fault in bfs_get_block (2)

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

On Tue, Jan 16, 2024 at 9:20 AM syzbot
<syzbot+dc6ed11a88fb40d6e184@...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=16c3c513e80000
> start commit:   98b1cc82c4af Linux 6.7-rc2
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=aec35c1281ec0aaf
> dashboard link: https://syzkaller.appspot.com/bug?extid=dc6ed11a88fb40d6e184
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=16783b84e80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=165172a0e80000
>
> 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
>