From 5d4634a62448e2dd0a0f12ba47bf2afcfc3834e1 Mon Sep 17 00:00:00 2001
From: past-due <30942300+past-due@users.noreply.github.com>
Date: Sat, 8 Jul 2023 22:33:29 -0400
Subject: [PATCH] exceptionhandler.cpp: Fix possible crash if popen fails

Co-Authored-By: etbe <14937006+etbe@users.noreply.github.com>
---
 lib/exceptionhandler/exceptionhandler.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/exceptionhandler/exceptionhandler.cpp b/lib/exceptionhandler/exceptionhandler.cpp
index 40e2a46e11a..1b3e794f528 100644
--- a/lib/exceptionhandler/exceptionhandler.cpp
+++ b/lib/exceptionhandler/exceptionhandler.cpp
@@ -730,6 +730,11 @@ static bool fetchProgramPath(char *const output_programPath, size_t const bufSiz
 	 * output in output_programPath.
 	 */
 	whichProgramStream = popen(whichProgramCommand, "r");
+	if(!whichProgramStream)
+	{
+		debug(LOG_WARNING, "failed to popen which");
+		return false;
+	}
 	bytesRead = fread(output_programPath, 1, bufSize, whichProgramStream);
 	pclose(whichProgramStream);