From 4156e6f52edd3bb53c74b50dc443430ea9d4f20c Mon Sep 17 00:00:00 2001
From: Sylvain <sylvain.becker@gmail.com>
Date: Mon, 16 Jan 2023 09:21:24 +0100
Subject: [PATCH] SDL_CreateAudioStream: check for invalid parameters

---
 src/audio/SDL_audiocvt.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/audio/SDL_audiocvt.c b/src/audio/SDL_audiocvt.c
index 97ca23014..f4fb0ec8c 100644
--- a/src/audio/SDL_audiocvt.c
+++ b/src/audio/SDL_audiocvt.c
@@ -1007,6 +1007,16 @@ SDL_CreateAudioStream(SDL_AudioFormat src_format,
     Uint8 pre_resample_channels;
     SDL_AudioStream *retval;
 
+    if (src_channels == 0) {
+        SDL_InvalidParamError("src_channels");
+        return NULL;
+    }
+
+    if (dst_channels == 0) {
+        SDL_InvalidParamError("dst_channels");
+        return NULL;
+    }
+
     retval = (SDL_AudioStream *)SDL_calloc(1, sizeof(SDL_AudioStream));
     if (retval == NULL) {
         SDL_OutOfMemory();