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=1649668e180000 start commit: 3800a713b607 Merge tag 'mm-hotfixes-stable-2022-09-26' of .. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=755695d26ad09807 dashboard link: https://syzkaller.appspot.com/bug?extid=b4084c18420f9fad0b4f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13ccc59c880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10928774880000 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