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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-10-22 00:37:25 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-09-09 13:53:29 +0200 |
| commit | 5fc65636a7ae89aedcdfab10a023f4ce0f65409c (patch) | |
| tree | e10299b788bb03258163b1b4d747e19e854502b1 | |
| parent | 0ee0f51886ad30a6247875c6654b15d4563185ec (diff) | |
| download | ffmpeg-5fc65636a7ae89aedcdfab10a023f4ce0f65409c.tar.gz | |
avformat/segafilm: Check that there is a stream
Fixes: assertion failure
Fixes: 26472/clusterfuzz-testcase-minimized-ffmpeg_dem_SEGAFILM_fuzzer-5759751591559168
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c0d7fd269beed030fc767fee28d9dbe111bc4427)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/segafilm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/segafilm.c b/libavformat/segafilm.c index b0c6c419ce..df9f08e624 100644 --- a/libavformat/segafilm.c +++ b/libavformat/segafilm.c @@ -144,6 +144,9 @@ static int film_read_header(AVFormatContext *s) film->video_type = AV_CODEC_ID_NONE; } + if (!film->video_type && !film->audio_type) + return AVERROR_INVALIDDATA; + /* initialize the decoder streams */ if (film->video_type) { st = avformat_new_stream(s, NULL); |