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=12d4adc3980000 start commit: b57b17e88bf5 Merge tag 'parisc-for-6.7-rc1-2' of git://git.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=88e7ba51eecd9cd6 dashboard link: https://syzkaller.appspot.com/bug?extid=33a67f9990381cc8951c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12493e98e80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1334b4a8e80000 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