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Merge pull request #14268 from alalek:fix_ossfuzz_13283

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Alexander Alekhin 2019-04-05 18:56:19 +00:00
commit 28925572f6
1 changed files with 4 additions and 0 deletions
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4
modules/imgcodecs/src/grfmt_tiff.cpp
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@ -401,6 +401,10 @@ bool TiffDecoder::readData( Mat& img )
(!is_tiled && tile_height0 == std::numeric_limits<uint32>::max()) )
tile_height0 = m_height;
CV_Assert((int)tile_width0 > 0 && (int)tile_width0 < std::numeric_limits<int>::max());
CV_Assert((int)tile_height0 > 0 && (int)tile_height0 < std::numeric_limits<int>::max());
CV_Assert(((uint64_t)tile_width0 * tile_height0 * ncn * (bpp / bitsPerByte) < (CV_BIG_UINT(1) << 30)) && "TIFF tile size is too large: >= 1Gb");
if (dst_bpp == 8)
{
// we will use TIFFReadRGBA* functions, so allocate temporary buffer for 32bit RGBA