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=14ffd320180000 start commit: 534293368afa Merge tag 'kbuild-fixes-v6.3' of git://git.ke.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=9688428cfef5e8d5 dashboard link: https://syzkaller.appspot.com/bug?extid=3f6ef04b7cf85153b528 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=138d82bac80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1123fed2c80000 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