linux-kernel - Re: [syzbot] [gfs2?] INFO: task hung in write_cache

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Date: Fri, 16 Feb 2024 03:04:03 -0800
From: syzbot <syzbot+4fcffdd85e518af6f129@...kaller.appspotmail.com>
To: agruenba@...hat.com, akpm@...ux-foundation.org, anprice@...hat.com, 
	axboe@...nel.dk, brauner@...nel.org, cluster-devel@...hat.com, 
	dvyukov@...gle.com, elver@...gle.com, gfs2@...ts.linux.dev, glider@...gle.com, 
	jack@...e.cz, kasan-dev@...glegroups.com, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-mm@...ck.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [gfs2?] INFO: task hung in write_cache_pages (3)

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=151b2b78180000
start commit:   92901222f83d Merge tag 'f2fs-for-6-6-rc1' of git://git.ker..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=3d78b3780d210e21
dashboard link: https://syzkaller.appspot.com/bug?extid=4fcffdd85e518af6f129
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17933a00680000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12ef7104680000

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