From 9ca2819ad1638bd9a4c48ffe2a36e478f18fd01f Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Sun, 12 Jan 2020 09:32:30 +0100
Subject: [PATCH] - added missing validation to S_GetUserFlags functions.

---
 source/duke3d/src/sounds.cpp | 1 +
 source/rr/src/sounds.cpp     | 1 +
 2 files changed, 2 insertions(+)

diff --git a/source/duke3d/src/sounds.cpp b/source/duke3d/src/sounds.cpp
index f0740f0c4..a2b0e84e1 100644
--- a/source/duke3d/src/sounds.cpp
+++ b/source/duke3d/src/sounds.cpp
@@ -114,6 +114,7 @@ float S_ConvertPitch(int lpitch)
 
 int S_GetUserFlags(int num)
 {
+    if (!soundEngine->isValidSoundId(num+1)) return 0;
     auto const* snd = (sound_t*)soundEngine->GetUserData(num + 1);
     if (!snd) return 0;
     return snd->flags;
diff --git a/source/rr/src/sounds.cpp b/source/rr/src/sounds.cpp
index cf997333d..206e20995 100644
--- a/source/rr/src/sounds.cpp
+++ b/source/rr/src/sounds.cpp
@@ -113,6 +113,7 @@ float S_ConvertPitch(int lpitch)
 
 int S_GetUserFlags(int num)
 {
+    if (!soundEngine->isValidSoundId(num+1)) return 0;
     auto const* snd = (sound_t*)soundEngine->GetUserData(num + 1);
     if (!snd) return 0;
     return snd->flags;