lua: clear stack after each script run

11 years ago · 86b299d06c
parent ae69a4a024
commit 86b299d06c
1 changed files with 8 additions and 0 deletions
--- 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)