On Mon 19-02-24 21:39:02, syzbot wrote:

syzbot suspects this issue was fixed by commit:

commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara [off-list ref]
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=1644f22c180000
start commit:   b6e6cc1f78c7 Merge tag 'x86_urgent_for_6.5_rc2' of git://g..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=6769a69bd0e144b4
dashboard link: https://syzkaller.appspot.com/bug?extid=7d5fa8eb99155f439221
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=137b16dca80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14153b7ca80000

If the result looks correct, please mark the issue as fixed by replying with:

Makes sense.
 
#syz fix: fs: Block writes to mounted block devices

								Honza
-- 
Jan Kara [off-list ref]
SUSE Labs, CR