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=1636d11d180000 start commit: 42dc814987c1 Merge tag 'media/v6.6-2' of git://git.kernel... git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=e4ca82a1bedd37e4 dashboard link: https://syzkaller.appspot.com/bug?extid=01b3ade7c86f7dd584d7 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=118cd46c680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=136d04a6680000 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