8000 Add output_length_used check as requested · pypewpew/circuitpython@2fe0fa5 · GitHub
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Add output_length_used check as requested
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‎ports/raspberrypi/audio_dma.c

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@@ -65,6 +65,9 @@ STATIC size_t audio_dma_convert_samples(audio_dma_t *dma, uint8_t *input, uint32
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// reading bytes, writing 16-bit words, so output buffer will be bigger.
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output_length_used *= 2;
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if (output_length_used > output_length) {
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mp_raise_RuntimeError(translate("Internal audio buffer too small"));
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}
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// Correct "rail-to-rail" scaling of arbitrary-depth input to output
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// requires more operations than this, but at least the vital 8- to

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