ioctl$BTRFS_IOC_SCRUB_PROGRESS(0xffffffffffffffff, 0xc400941d, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x1})
r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
shutdown(r0, 0x0)
recvmmsg(r0, &(0x7f0000000280)=[{{0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000}}, {{0x0, 0x0, 0x0}}], 0x40000000000022e, 0x0, 0x0)
poll(&(0x7f0000000380)=[{r0}], 0x1, 0x0)