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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-02-22 03:04:40 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-06-18 01:16:03 +0200 |
| commit | 8456bba36297cf743d388debb610e0ee864e18b8 (patch) | |
| tree | a1ae4d420ba996379b41bf05e00e79293f02c4df | |
| parent | 9cc83b94a1f8df0ee68c24545ca307f526e29a7f (diff) | |
| download | ffmpeg-8456bba36297cf743d388debb610e0ee864e18b8.tar.gz | |
avcodec/truemotion2rt: Check input buffer size
Fixes: Timeout
Fixes: 6250/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2RT_fuzzer-5479814011027456
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 8b5c29b6c2ab00f8fb545475238a99f575b5d81d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/truemotion2rt.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/truemotion2rt.c b/libavcodec/truemotion2rt.c index d63918742d..9df0b527bb 100644 --- a/libavcodec/truemotion2rt.c +++ b/libavcodec/truemotion2rt.c @@ -116,6 +116,9 @@ static int truemotion2rt_decode_frame(AVCodecContext *avctx, void *data, if (ret < 0) return ret; + if (avctx->width / s->hscale * avctx->height * s->delta_size > avpkt->size * 8LL * 4) + return AVERROR_INVALIDDATA; + ret = init_get_bits8(gb, avpkt->data + ret, avpkt->size - ret); if (ret < 0) return ret; |