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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-03-05 00:48:18 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-03-24 10:38:52 +0100 |
| commit | 2d825946a3970e566fa41829eb758f94169c4a0e (patch) | |
| tree | 4f8fcf6e15c0cc14f47ae715dd42964c2a6dc663 | |
| parent | 66894351909ffca0bd55b4e349362741f25a0f08 (diff) | |
| download | ffmpeg-2d825946a3970e566fa41829eb758f94169c4a0e.tar.gz | |
avformat/gdv: Check fps
Fixes: Division by 0
Fixes: ffmpeg_zero_division.bin
Found-by: Anatoly Trosinenko <anatoly.trosinenko@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 38381400fca45d1ae6e7604335b507b7dc70a903)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/gdv.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/gdv.c b/libavformat/gdv.c index a69c349cab..3ead383892 100644 --- a/libavformat/gdv.c +++ b/libavformat/gdv.c @@ -86,6 +86,9 @@ static int gdv_read_header(AVFormatContext *ctx) vst->nb_frames = avio_rl16(pb); fps = avio_rl16(pb); + if (!fps) + return AVERROR_INVALIDDATA; + snd_flags = avio_rl16(pb); if (snd_flags & 1) { ast = avformat_new_stream(ctx, 0); |