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=12b28b99180000 start commit: e4cf7c25bae5 Merge tag 'kbuild-fixes-v6.2' of git://git.ke.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=68e0be42c8ee4bb4 dashboard link: https://syzkaller.appspot.com/bug?extid=cb1fdea540b46f0ce394 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=151db82a480000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10f0e670480000 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