avcodec/mpegaudio_parser: Consume more than 0 bytes in case of the unsupported mp3adu...
authorMichael Niedermayer <michael@niedermayer.cc>
Sun, 28 Oct 2018 20:08:39 +0000 (21:08 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Sun, 4 Nov 2018 19:26:49 +0000 (20:26 +0100)
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>
(cherry picked from commit df91af140c5543cfbbed187f696e79b554d2c135)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/mpegaudio_parser.c

index a109f12..1005e89 100644 (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;