avcodec/mpegaudio_parser: Consume more than 0 bytes in case of the unsupported mp3adu case

Fixes: Timeout
Fixes: 10966/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MP3ADU_fuzzer-5348695024336896
Fixes: 10969/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MP3ADUFLOAT_fuzzer-5691669402877952

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-10-28 21:08:39 +01:00
parent 242f7bf202
commit df91af140c

View File

@ -101,7 +101,7 @@ static int mpegaudio_parse(AVCodecParserContext *s1,
"MP3ADU full parser");
*poutbuf = NULL;
*poutbuf_size = 0;
return 0; /* parsers must not return error codes */
return buf_size; /* parsers must not return error codes */
}
break;