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imgcodecs(bmp): make happy UBSAN with enum value range check

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This commit is contained in:
Alexander Alekhin 2019-12-13 18:35:04 +03:00
parent 1c4a64f0a1
commit d1c35e7b61
1 changed files with 3 additions and 1 deletions
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4
modules/imgcodecs/src/grfmt_bmp.cpp
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@ -102,7 +102,9 @@ bool BmpDecoder::readHeader()
m_width = m_strm.getDWord();
m_height = m_strm.getDWord();
m_bpp = m_strm.getDWord() >> 16;
m_rle_code = (BmpCompression)m_strm.getDWord();
int m_rle_code_ = m_strm.getDWord();
CV_Assert(m_rle_code_ >= 0 && m_rle_code_ <= BMP_BITFIELDS);
m_rle_code = (BmpCompression)m_rle_code_;
m_strm.skip(12);
int clrused = m_strm.getDWord();
m_strm.skip( size - 36 );