[FFmpeg-cvslog] avcodec/mpegaudio_parser: Consume more than 0 bytes in case of the unsupported mp3adu case
Michael Niedermayer
git at videolan.org
Thu Mar 28 18:32:22 EET 2019
ffmpeg | branch: release/3.4 | Michael Niedermayer <michael at niedermayer.cc> | Sun Oct 28 21:08:39 2018 +0100| [f3404f6b90ef740bfc0a9924a033c78c4947e2f4] | committer: Michael Niedermayer
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 at niedermayer.cc>
(cherry picked from commit df91af140c5543cfbbed187f696e79b554d2c135)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f3404f6b90ef740bfc0a9924a033c78c4947e2f4
---
libavcodec/mpegaudio_parser.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/mpegaudio_parser.c b/libavcodec/mpegaudio_parser.c
index a072851ecf..04400a44e7 100644
--- a/libavcodec/mpegaudio_parser.c
+++ b/libavcodec/mpegaudio_parser.c
@@ -100,7 +100,7 @@ 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;
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