diff --git a/src/audio/SDL_audiocvt.c b/src/audio/SDL_audiocvt.c
index faec19c9f..49abe1d9c 100644
--- a/src/audio/SDL_audiocvt.c
+++ b/src/audio/SDL_audiocvt.c
@@ -718,9 +718,15 @@ SDL_ResampleCVT(SDL_AudioCVT *cvt, const int chans, const SDL_AudioFormat format
     /* !!! FIXME: remove this if we can get the resampler to work in-place again. */
     float *dst = (float *) (cvt->buf + srclen);
     const int dstlen = (cvt->len * cvt->len_mult) - srclen;
-    const int paddingsamples = (ResamplerPadding(inrate, outrate) * chans);
+    const int requestedpadding = ResamplerPadding(inrate, outrate);
+    int paddingsamples;
     float *padding;
 
+    if (requestedpadding < INT32_MAX / chans) {
+        paddingsamples = requestedpadding * chans;
+    } else {
+        paddingsamples = 0;
+    }
     SDL_assert(format == AUDIO_F32SYS);
 
     /* we keep no streaming state here, so pad with silence on both ends. */
@@ -889,10 +895,14 @@ SDL_BuildAudioCVT(SDL_AudioCVT * cvt,
         return SDL_SetError("Invalid source channels");
     } else if (!SDL_SupportedChannelCount(dst_channels)) {
         return SDL_SetError("Invalid destination channels");
-    } else if (src_rate == 0) {
-        return SDL_SetError("Source rate is zero");
-    } else if (dst_rate == 0) {
-        return SDL_SetError("Destination rate is zero");
+    } else if (src_rate <= 0) {
+        return SDL_SetError("Source rate is equal to or less than zero");
+    } else if (dst_rate <= 0) {
+        return SDL_SetError("Destination rate is equal to or less than zero");
+    } else if (src_rate >= INT32_MAX / RESAMPLER_SAMPLES_PER_ZERO_CROSSING) {
+        return SDL_SetError("Source rate is too high");
+    } else if (dst_rate >= INT32_MAX / RESAMPLER_SAMPLES_PER_ZERO_CROSSING) {
+        return SDL_SetError("Destination rate is too high");
     }
 
 #if DEBUG_CONVERT