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Merge pull request #19603 from federicohml:fix-ub-copy-make-const-border-8u

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Alexander Alekhin 2021-02-27 17:32:42 +00:00
commit 19f1bac18c
1 changed files with 3 additions and 4 deletions
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7
modules/core/src/copy.cpp
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@ -1325,13 +1325,12 @@ void copyMakeConstBorder_8u( const uchar* src, size_t srcstep, cv::Size srcroi,
memcpy( dstInner + srcroi.width, constBuf, right ); memcpy( dstInner + srcroi.width, constBuf, right );
} }
dst += dststep*top;
for( i = 0; i < top; i++ ) for( i = 0; i < top; i++ )
memcpy(dst + (i - top)*dststep, constBuf, dstroi.width); memcpy(dst + i * dststep, constBuf, dstroi.width);
dst += (top + srcroi.height) * dststep;
for( i = 0; i < bottom; i++ ) for( i = 0; i < bottom; i++ )
memcpy(dst + (i + srcroi.height)*dststep, constBuf, dstroi.width); memcpy(dst + i * dststep, constBuf, dstroi.width);
} }
} }