From: Hong, Yang A <yang.a.hong@intel.com>
Date: Tue, 14 Apr 2020 09:36:46 +0000 (+0000)
Subject: avoid crash in addLitExpression()
X-Git-Tag: v5.3.0^2~13
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8344395bfd28a1b479f3a08ddbd0f2c2d43876e5;p=thirdparty%2Fvectorscan.git

avoid crash in addLitExpression()

fixes github issue #205
---

diff --git a/src/compiler/compiler.cpp b/src/compiler/compiler.cpp
index 3382ff42..de6909e7 100644
--- a/src/compiler/compiler.cpp
+++ b/src/compiler/compiler.cpp
@@ -402,7 +402,7 @@ void addLitExpression(NG &ng, unsigned index, const char *expression,
     }
 
     // Ensure that our pattern isn't too long (in characters).
-    if (strlen(expression) > cc.grey.limitPatternLength) {
+    if (expLength > cc.grey.limitPatternLength) {
         throw CompileError("Pattern length exceeds limit.");
     }