Re: [syzbot] [xfs?] INFO: task hung in xfs_buf_item_unpin

From: Dave Chinner
Date: Wed Feb 07 2024 - 16:15:46 EST


On Mon, Feb 05, 2024 at 01:13:04PM -0800, 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=176f2d7be80000
> start commit: d2980d8d8265 Merge tag 'mm-nonmm-stable-2023-02-20-15-29' ..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=471a946f0dd5764c
> dashboard link: https://syzkaller.appspot.com/bug?extid=3f083e9e08b726fcfba2
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17a077d8c80000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14d91c74c80000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: fs: Block writes to mounted block devices

No, not even close.

-Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx