imgcodecs(sunras): avoid undefined shift

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

View File

@ -90,7 +90,7 @@ bool SunRasterDecoder::readHeader()
m_width = m_strm.getDWord();
m_height = 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_encoding = (SunRasType)m_strm.getDWord();