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=1748692e180000 start commit: 9b4509495418 Merge tag 'for-6.0-rc4-tag' of git://git.kern.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=c79df237bd9a0448 dashboard link: https://syzkaller.appspot.com/bug?extid=392ac209604cc18792e5 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=142a4277080000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=146950ed080000 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