r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000001540), r1) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x2c, r2, 0x1, 0x0, 0x0, {}, [@NLBL_MGMT_A_PROTOCOL={0x8}, @NLBL_MGMT_A_IPV4MASK={0x8, 0x8, @private}, @NLBL_MGMT_A_IPV4ADDR={0x8, 0x7, @broadcast}]}, 0x2c}}, 0x0)