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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-11-17 09:24:30 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-01-15 00:57:27 +0100 |
| commit | f3400e731a6663c485064fcf40bfe16fa5c97921 (patch) | |
| tree | a9898f8558005b50c0ea3d2017afbd82747063e2 | |
| parent | dfa3a5ac631832afde852dd62db7833e916ecbdd (diff) | |
| download | ffmpeg-f3400e731a6663c485064fcf40bfe16fa5c97921.tar.gz | |
avcodec/truemotion2rt: Fix rounding in input size check
Fixes: Timeout
Fixes: 11332/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2RT_fuzzer-5678456612847616
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 7f22a4ebc97817fd0968f5ea8295c9a59a6292e0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/truemotion2rt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/truemotion2rt.c b/libavcodec/truemotion2rt.c index 9df0b527bb..e3ab998fda 100644 --- a/libavcodec/truemotion2rt.c +++ b/libavcodec/truemotion2rt.c @@ -116,7 +116,7 @@ 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) + if ((avctx->width + s->hscale - 1)/ 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); |