[FFmpeg-devel] [PATCH 2/3] tools/target_dec_fuzzer: Adjust threshold for opus

[James Almer]

On 10/4/2020 4:41 PM, Michael Niedermayer wrote:
> Fixes: Timeout (12sec -> 3sec)
> Fixes: 24549/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LIBOPUS_fuzzer-6211170349088768

codec id, or decoder? And if the latter, why is an external library
based decoder being fuzzed?

> 
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> ---
>  tools/target_dec_fuzzer.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
> index 7bea736fcf..15821877e8 100644
> --- a/tools/target_dec_fuzzer.c
> +++ b/tools/target_dec_fuzzer.c
> @@ -167,6 +167,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
>      case AV_CODEC_ID_MSRLE:       maxpixels  /= 16;    break;
>      case AV_CODEC_ID_MSS2:        maxpixels  /= 16384; break;
>      case AV_CODEC_ID_MSZH:        maxpixels  /= 128;   break;
> +    case AV_CODEC_ID_OPUS:        maxsamples /= 16384; break;
>      case AV_CODEC_ID_PNG:         maxpixels  /= 128;   break;
>      case AV_CODEC_ID_APNG:        maxpixels  /= 128;   break;
>      case AV_CODEC_ID_QTRLE:       maxpixels  /= 16;    break;
>