From f6274e6156e7f520b20b8903bdf33f5b949b75ed Mon Sep 17 00:00:00 2001
From: Paul <baconpaul@users.noreply.github.com>
Date: Sun, 1 Dec 2024 15:32:19 -0500
Subject: [PATCH] Fix a LUA stack leak with a missing init fn in wtse (#7889)

Oops! If I get a nil I still need to pop it.
---
 src/common/LuaSupport.cpp                   | 4 ++++
 src/common/dsp/WavetableScriptEvaluator.cpp | 1 +
 2 files changed, 5 insertions(+)

diff --git a/src/common/LuaSupport.cpp b/src/common/LuaSupport.cpp
index 57bfc929cbe..07f243f4e03 100644
--- a/src/common/LuaSupport.cpp
+++ b/src/common/LuaSupport.cpp
@@ -315,6 +315,10 @@ Surge::LuaSupport::SGLD::~SGLD()
         {
             std::cout << "Guarded stack leak: [" << label << "] exit=" << nt << " enter=" << top
                       << std::endl;
+            for (int i = nt; i >= top; i--)
+            {
+                std::cout << "  " << i << " -> " << lua_typename(L, lua_type(L, i)) << std::endl;
+            }
         }
 #endif
     }
diff --git a/src/common/dsp/WavetableScriptEvaluator.cpp b/src/common/dsp/WavetableScriptEvaluator.cpp
index 0764d04a584..ca6dd8d2492 100644
--- a/src/common/dsp/WavetableScriptEvaluator.cpp
+++ b/src/common/dsp/WavetableScriptEvaluator.cpp
@@ -75,6 +75,7 @@ struct LuaWTEvaluator::Details
         lua_getglobal(L, "init");
         if (!lua_isfunction(L, -1))
         {
+            lua_pop(L, -1);
             makeEmptyState(true);
         }
         else