From f4e4a103ad0ae574264d3151562442f5f51d4578 Mon Sep 17 00:00:00 2001
From: Kyle Schwarz <kschwarz@intrepidcs.com>
Date: Mon, 19 Dec 2022 03:03:12 -0500
Subject: [PATCH] POSIX: PCAP: Check header & data before using

---
 platform/posix/pcap.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/platform/posix/pcap.cpp b/platform/posix/pcap.cpp
index 341d503..9ffc4d2 100644
--- a/platform/posix/pcap.cpp
+++ b/platform/posix/pcap.cpp
@@ -140,7 +140,7 @@ void PCAP::Find(std::vector<FoundDevice>& found) {
 			struct pcap_pkthdr* header;
 			const uint8_t* data;
 			auto res = pcap_next_ex(iface.fp, &header, &data);
-			if(res < 0) {
+			if(res < 0 || !header || !data) {
 				if (!warned) {
 					warned = true;
 					EventManager::GetInstance().add(APIEvent::Type::PCAPCouldNotFindDevices, APIEvent::Severity::EventWarning);