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avcodec/exr: Fix potential integer overflow

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Fixes CID1361949

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-05-19 03:15:41 +02:00
parent 641dccc2aa
commit df01a29c1b
1 changed files with 1 additions and 1 deletions
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libavcodec/exr.c
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@ -1025,7 +1025,7 @@ static int decode_block(AVCodecContext *avctx, void *tdata,
td->ysize = FFMIN(s->tile_attr.ySize, s->ydelta - tileY * s->tile_attr.ySize);
td->xsize = FFMIN(s->tile_attr.xSize, s->xdelta - tileX * s->tile_attr.xSize);
uncompressed_size = s->current_channel_offset * td->ysize * td->xsize;
uncompressed_size = s->current_channel_offset * (uint64_t)td->ysize * td->xsize;
if (col) { /* not the first tile of the line */
bxmin = 0; axmax = 0; /* doesn't add pixel at the left of the datawindow */