Re: [syzbot] [ext4?] WARNING in lock_two_nondirectories

[Jan Kara]

On Sun 11-02-24 16:00:04, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
> 
> commit 6f861765464f43a71462d52026fbddfc858239a5
> Author: Jan Kara <jack@xxxxxxx>
> 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=15477434180000
> start commit:   a39b6ac3781d Linux 6.7-rc5
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=e043d554f0a5f852
> dashboard link: https://syzkaller.appspot.com/bug?extid=2c4a3b922a860084cc7f
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1687292ee80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16d8adbce80000
> 
> If the result looks correct, please mark the issue as fixed by replying with:

Another repro that seems to be corrupting the fs metadata:

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

								Honza
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR