From 872de829ea02491c458f1e9a0bd5aafda2e723bc Mon Sep 17 00:00:00 2001
From: Philippe Antoine <contact@catenacyber.fr>
Date: Wed, 9 Sep 2020 15:54:36 +0200
Subject: [PATCH] detect: initialize pointer before calling pcre_study

So as not to check an uninitialized value
Found by MSAN
---
 src/detect-parse.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/detect-parse.c b/src/detect-parse.c
index b7b1e5980f..b14a15b2e5 100644
--- a/src/detect-parse.c
+++ b/src/detect-parse.c
@@ -2463,7 +2463,7 @@ void DetectParseRegexAddToFreeList(DetectParseRegex *detect_parse)
 
 bool DetectSetupParseRegexesOpts(const char *parse_str, DetectParseRegex *detect_parse, int opts)
 {
-    const char *eb;
+    const char *eb = NULL;
     int eo;
 
     detect_parse->regex = pcre_compile(parse_str, opts, &eb, &eo, NULL);