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=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: #syz fix: fs: Block writes to mounted block devices For information about bisection process see: https://goo.gl/tpsmEJ#bisection