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imgcodecs(sunras): avoid undefined shift

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oss-fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13292
This commit is contained in:
Alexander Alekhin 2019-03-31 12:14:42 +00:00
parent 360758e8ae
commit f2803aba07
1 changed files with 1 additions and 1 deletions
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2
modules/imgcodecs/src/grfmt_sunras.cpp
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@ -90,7 +90,7 @@ bool SunRasterDecoder::readHeader()
m_width = m_strm.getDWord(); m_width = m_strm.getDWord();
m_height = m_strm.getDWord(); m_height = m_strm.getDWord();
m_bpp = m_strm.getDWord(); m_bpp = m_strm.getDWord();
int palSize = 3*(1 << m_bpp); int palSize = (m_bpp > 0 && m_bpp <= 8) ? (3*(1 << m_bpp)) : 0;
m_strm.skip( 4 ); m_strm.skip( 4 );
m_encoding = (SunRasType)m_strm.getDWord(); m_encoding = (SunRasType)m_strm.getDWord();