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avcodec/cdxl: Fix signed integer overflow: 14243456 * 164 cannot be represented in type 'int'

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Fixes: 1341/clusterfuzz-testcase-minimized-5441502618583040

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 2017-05-05 19:26:02 +02:00
parent f55df62998
commit 1002932a3b
1 changed files with 1 additions and 1 deletions
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2
libavcodec/cdxl.c
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@ -275,7 +275,7 @@ static int cdxl_decode_frame(AVCodecContext *avctx, void *data,
else
aligned_width = FFALIGN(c->avctx->width, 16);
c->padded_bits = aligned_width - c->avctx->width;
if (c->video_size < aligned_width * avctx->height * c->bpp / 8)
if (c->video_size < aligned_width * avctx->height * (int64_t)c->bpp / 8)
return AVERROR_INVALIDDATA;
if (!encoding && c->palette_size && c->bpp <= 8) {
avctx->pix_fmt = AV_PIX_FMT_PAL8;