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imgcodesc: fix code problems with integer overflow / address arithmetic / UB

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Alexander Alekhin
2017-08-23 15:15:27 +03:00
parent b67c64e2c8
commit aacae20657
8 changed files with 50 additions and 37 deletions
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modules/imgcodecs/src/grfmt_jpeg.cpp
+1 -1
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@@ -396,7 +396,7 @@ int my_jpeg_load_dht (struct jpeg_decompress_struct *info, unsigned char *dht,
bool JpegDecoder::readData( Mat& img )
{
volatile bool result = false;
int step = (int)img.step;
size_t step = img.step;
bool color = img.channels() > 1;
if( m_state && m_width && m_height )