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=131679fc180000 start commit: 200e340f2196 Merge tag 'pull-work.dcache' of git://git.ker.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=a3f4d6985d3164cd dashboard link: https://syzkaller.appspot.com/bug?extid=ed920a72fd23eb735158 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15dd033e080000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16dbfa46080000 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