From b4d3a279e3198257cc40c0338dcf1bae216790c8 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Mon, 8 Dec 2025 19:05:32 +0000
Subject: [PATCH] Fix potential overflow in PSRAM size calculation

- Changed division from (1024 * 1024) to (1024UL * 1024UL)
- Ensures proper unsigned long type to prevent overflow issues
- All tests pass and firmware builds successfully

Co-authored-by: netmindz <442066+netmindz@users.noreply.github.com>
---
 _codeql_detected_source_root | 1 +
 wled00/json.cpp              | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)
 create mode 120000 _codeql_detected_source_root

diff --git a/_codeql_detected_source_root b/_codeql_detected_source_root
new file mode 120000
index 00000000..945c9b46
--- /dev/null
+++ b/_codeql_detected_source_root
@@ -0,0 +1 @@
+.
\ No newline at end of file
diff --git a/wled00/json.cpp b/wled00/json.cpp
index bbb8c0c7..7404a202 100644
--- a/wled00/json.cpp
+++ b/wled00/json.cpp
@@ -847,7 +847,7 @@ void serializeInfo(JsonObject root)
     #if defined(BOARD_HAS_PSRAM)
     root[F("psram")] = ESP.getFreePsram(); // Free PSRAM in bytes (backward compatibility)
     #endif
-    root[F("psramSize")] = ESP.getPsramSize() / (1024 * 1024); // Total PSRAM size in MB
+    root[F("psramSize")] = ESP.getPsramSize() / (1024UL * 1024UL); // Total PSRAM size in MB
   }
   #endif
   root[F("uptime")] = millis()/1000 + rolloverMillis*4294967;