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=13493754180000 start commit: 4f82870119a4 Merge tag 'mm-hotfixes-stable-2023-10-24-09-4.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=174a257c5ae6b4fd dashboard link: https://syzkaller.appspot.com/bug?extid=e621a445f96fd0e94be4 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1382cf0b680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=136a5849680000 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