syz_mount_image$vfat(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0)