From: Victor Julien <victor@inliniac.net>
Date: Wed, 4 Dec 2013 12:15:30 +0000 (+0100)
Subject: lua: clear stack after each script run
X-Git-Tag: suricata-2.0beta2~73
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=86b299d06c90ffc4285eebd1f85f06d7cf64c68d;p=thirdparty%2Fsuricata.git

lua: clear stack after each script run
---

diff --git a/src/detect-luajit.c b/src/detect-luajit.c
index a88c550bc6..569980dc58 100644
--- a/src/detect-luajit.c
+++ b/src/detect-luajit.c
@@ -321,6 +321,11 @@ int DetectLuajitMatchBuffer(DetectEngineThreadCtx *det_ctx, Signature *s, SigMat
         SCLogDebug("no stack");
     }
 
+    /* clear the stack */
+    while (lua_gettop(tluajit->luastate) > 0) {
+        lua_pop(tluajit->luastate, 1);
+    }
+
     if (luajit->negated) {
         if (ret == 1)
             ret = 0;
@@ -457,6 +462,9 @@ static int DetectLuajitMatch (ThreadVars *tv, DetectEngineThreadCtx *det_ctx,
             lua_pop(tluajit->luastate, 1);
         }
     }
+    while (lua_gettop(tluajit->luastate) > 0) {
+        lua_pop(tluajit->luastate, 1);
+    }
 
     if (luajit->negated) {
         if (ret == 1)