linux-kernel - Re: [syzbot] [exfat?] [ntfs3?] INFO: task hung in __generic_file

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Message-ID: <20240216095848.bufsxoaarnkdlmcb@quack3>
Date: Fri, 16 Feb 2024 10:58:48 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+ed920a72fd23eb735158@...kaller.appspotmail.com>
Cc: almaz.alexandrovich@...agon-software.com, axboe@...nel.dk,
	brauner@...nel.org, david@...morbit.com, fgheet255t@...il.com,
	hdanton@...a.com, jack@...e.cz, linkinjeon@...nel.org,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	ntfs3@...ts.linux.dev, sj1557.seo@...sung.com,
	syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: [syzbot] [exfat?] [ntfs3?] INFO: task hung in
 __generic_file_fsync (3)

On Thu 15-02-24 20:59:03, 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=131679fc180000
> start commit:   200e340f2196 Merge tag 'pull-work.dcache' of git://git.ker..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=a3f4d6985d3164cd
> dashboard link: https://syzkaller.appspot.com/bug?extid=ed920a72fd23eb735158
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15dd033e080000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16dbfa46080000
> 
> If the result looks correct, please mark the issue as fixed by replying with:

Makes some sense and since there are no reproducers:
 
#syz fix: fs: Block writes to mounted block devices

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