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Test/gradients #303

Merged
merged 2 commits into from
Jan 20, 2025
Merged

Test/gradients #303

merged 2 commits into from
Jan 20, 2025

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paul-manias
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@paul-manias paul-manias merged commit f2a27b1 into master Jan 20, 2025
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@paul-manias paul-manias deleted the test/gradients branch January 20, 2025 11:39

m_buffer.resize(size);
memset(m_buffer.data(), 255, size);
m_buffer.resize(width * height);

Check failure

Code scanning / CodeQL

Multiplication result converted to larger type High

Multiplication result may overflow 'int' before it is converted to 'size_type'.

Copilot Autofix AI 17 days ago

To fix the problem, we need to ensure that the multiplication is performed using a larger integer type to prevent overflow. This can be achieved by casting one of the operands to size_t before performing the multiplication. This way, the multiplication will be done in the larger type, and the result will be correctly interpreted as a size_t.

  • Cast one of the operands (width or height) to size_t before the multiplication.
  • Update the line where the multiplication occurs to ensure the correct type is used.
Suggested changeset 1
src/vector/agg/include/agg_span_gradient_contour.h

Autofix patch

Autofix patch
Run the following command in your local git repository to apply this patch
cat << 'EOF' | git apply
diff --git a/src/vector/agg/include/agg_span_gradient_contour.h b/src/vector/agg/include/agg_span_gradient_contour.h
--- a/src/vector/agg/include/agg_span_gradient_contour.h
+++ b/src/vector/agg/include/agg_span_gradient_contour.h
@@ -109,3 +109,3 @@
 
-			m_buffer.resize(width * height);
+			m_buffer.resize(static_cast<size_t>(width) * height);
          std::fill(m_buffer.begin(), m_buffer.end(), 255);
EOF
@@ -109,3 +109,3 @@

m_buffer.resize(width * height);
m_buffer.resize(static_cast<size_t>(width) * height);
std::fill(m_buffer.begin(), m_buffer.end(), 255);
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