the timeDataSize argument to aacDecoder_DecodeFrame() seems undocumented and until
2016 04 (
203e3f28fbebec7011342017fafc2a0bda0ce530) unused.
after that commit libfdk-aacdec interprets it as size in sample units and memsets that on error.
FFmpeg as well as others (like GStreamer) did interpret it as size in bytes
Fixes: 1442/clusterfuzz-testcase-minimized-
4540199973421056 (This requires recent libfdk to reproduce)
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
return AVERROR_INVALIDDATA;
}
- err = aacDecoder_DecodeFrame(s->handle, (INT_PCM *) s->decoder_buffer, s->decoder_buffer_size, 0);
+ err = aacDecoder_DecodeFrame(s->handle, (INT_PCM *) s->decoder_buffer, s->decoder_buffer_size / sizeof(INT_PCM), 0);
if (err == AAC_DEC_NOT_ENOUGH_BITS) {
ret = avpkt->size - valid;
goto end;