From 9bab4ec0cfa129de511255f016b4122416a7df32 Mon Sep 17 00:00:00 2001
From: philmoz <philmoz@users.noreply.github.com>
Date: Sun, 13 Sep 2026 13:44:26 +1000
Subject: [PATCH] fix(bw): potential Lua stack overflow in lcd.drawCombobox
 (#7775)

---
 radio/src/lua/api_stdlcd.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/radio/src/lua/api_stdlcd.cpp b/radio/src/lua/api_stdlcd.cpp
index 7b3d20008..8717bdab5 100644
--- a/radio/src/lua/api_stdlcd.cpp
+++ b/radio/src/lua/api_stdlcd.cpp
@@ -595,6 +595,7 @@ static int luaLcdDrawCombobox(lua_State *L)
       lua_rawgeti(L, 4, i+1);
       const char * item = luaL_checkstring(L, -1);
       lcdDrawText(x+2, y+2+9*i, item, 0);
+      lua_pop(L, 1);
     }
     lcdDrawFilledRect(x+1, y+1+9*idx, w-11, 9);
     lcdDrawFilledRect(x+w-10, y, 10, 11, SOLID, ERASE);
@@ -606,6 +607,7 @@ static int luaLcdDrawCombobox(lua_State *L)
     lua_rawgeti(L, 4, idx+1);
     const char * item = luaL_checkstring(L, -1);
     lcdDrawText(x+2, y+2, item, INVERS);
+    lua_pop(L, 1);
   }
   else {
     lcdDrawFilledRect(x, y, w, 11, SOLID, ERASE);
@@ -614,6 +616,7 @@ static int luaLcdDrawCombobox(lua_State *L)
     lua_rawgeti(L, 4, idx+1);
     const char * item = luaL_checkstring(L, -1);
     lcdDrawText(x+2, y+2, item, 0);
+    lua_pop(L, 1);
   }
 
   lcdDrawSolidHorizontalLine(x+w-8, y+3, 6);