r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f00000003c0), r0)
sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000080)={0x50, r1, 0xf1b5a43ca6b9a97, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_IPV6MASK={0x14, 0x6, @ipv4={'\x00', '\xff\xff', @multicast2}}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @remote}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @multicast1}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, 'NLBL_MGMT\x00'}]}, 0x50}}, 0x0)