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=13e72f42180000 start commit: 7ba2090ca64e Merge tag 'ceph-for-6.6-rc1' of https://githu.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=ed626705db308b2d dashboard link: https://syzkaller.appspot.com/bug?extid=628e71e1cb809306030f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=111acb20680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=112d9f34680000 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