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=16b9e3ca180000 start commit: 2772d7df3c93 Merge tag 'riscv-for-linus-6.5-rc2' of git://.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=6d0f369ef5fb88c9 dashboard link: https://syzkaller.appspot.com/bug?extid=f328fbf8718edb712341 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10233f38a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11d35c1aa80000 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