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=14b5e754180000 start commit: 8689f4f2ea56 Merge tag 'mmc-v6.5-2' of git://git.kernel.or.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=15873d91ff37a949 dashboard link: https://syzkaller.appspot.com/bug?extid=fc26c366038b54261e53 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14237dc2a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13e34d22a80000 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