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=14df7cec180000 start commit: ca57f02295f1 afs: Fix fileserver probe RTT handling git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=2325e409a9a893e1 dashboard link: https://syzkaller.appspot.com/bug?extid=909a2191a4352fd77d25 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1563673d880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=134d9425880000 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