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avcodec/eamad: Fix runtime error: signed integer overflow: 49674 * 49858 cannot be represented in type 'int'

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Fixes: 1394/clusterfuzz-testcase-minimized-6493376885030912

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-05-07 15:42:17 +02:00
parent c04aa14882
commit 0ac1c87194
1 changed files with 1 additions and 1 deletions
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2
libavcodec/eamad.c
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@ -284,7 +284,7 @@ static int decode_frame(AVCodecContext *avctx,
if (avctx->width != width || avctx->height != height) {
av_frame_unref(s->last_frame);
if((width * height)/2048*7 > bytestream2_get_bytes_left(&gb))
if((width * (int64_t)height)/2048*7 > bytestream2_get_bytes_left(&gb))
return AVERROR_INVALIDDATA;
if ((ret = ff_set_dimensions(avctx, width, height)) < 0)
return ret;