[FFmpeg-devel] [PATCH 1/2] avformat/thp: Require a video stream
Michael Niedermayer
michael at niedermayer.cc
Wed Apr 15 22:18:41 EEST 2020
The demuxer code assumes the existence of a video stream
Fixes: assertion failure
Fixes: 21512/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5699660783288320
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
libavformat/thp.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavformat/thp.c b/libavformat/thp.c
index 332ed79128..d3ae86c645 100644
--- a/libavformat/thp.c
+++ b/libavformat/thp.c
@@ -145,6 +145,9 @@ static int thp_read_header(AVFormatContext *s)
}
}
+ if (!thp->vst)
+ return AVERROR_INVALIDDATA;
+
return 0;
}
--
2.17.1
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