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=155eb8f7180000 start commit: 4f9e7fabf864 Merge tag 'trace-v6.5-rc6' of git://git.kerne.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=1b32f62c755c3a9c dashboard link: https://syzkaller.appspot.com/bug?extid=9157524e62303fd7b21c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=101aff5ba80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14d78db0680000 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