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avcodec/huffyuvdec: Check input buffer size

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Fixes: Timeout
Fixes: 5487/clusterfuzz-testcase-4696837035393024

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-01-31 19:20:10 +01:00
parent cb97400f93
commit 08c220d26c
1 changed files with 3 additions and 0 deletions
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3
libavcodec/huffyuvdec.c
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@ -919,6 +919,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
AVFrame *const p = data;
int table_size = 0, ret;
if (buf_size < (width * height + 7)/8)
return AVERROR_INVALIDDATA;
av_fast_padded_malloc(&s->bitstream_buffer,
&s->bitstream_buffer_size,
buf_size);