[FFmpeg-cvslog] avcodec/mpegaudio_parser: Consume more than 0 bytes in case of the unsupported mp3adu case
Michael Niedermayer
git at videolan.org
Sun Nov 4 21:58:00 EET 2018
ffmpeg | branch: release/4.1 | Michael Niedermayer <michael at niedermayer.cc> | Sun Oct 28 21:08:39 2018 +0100| [7d23ccac8d371e7ea28960d23a812f6b8446a642] | 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=7d23ccac8d371e7ea28960d23a812f6b8446a642
---
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 a109f12701..1005e89aae 100644
--- a/libavcodec/mpegaudio_parser.c
+++ b/libavcodec/mpegaudio_parser.c
@@ -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;
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