From: Philippe Antoine <contact@catenacyber.fr>
Date: Wed, 9 Sep 2020 13:54:36 +0000 (+0200)
Subject: detect: initialize pointer before calling pcre_study
X-Git-Tag: suricata-6.0.0-rc1~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=872de829ea02491c458f1e9a0bd5aafda2e723bc;p=thirdparty%2Fsuricata.git

detect: initialize pointer before calling pcre_study

So as not to check an uninitialized value
Found by MSAN
---

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);