GWP-ASan is a sampling-based memory error detection tool that catches critical bugs like use-after-free and buffer overflows in production environments with near-zero performance overhead, unlike AddressSanitizer which is too resource-intensive for deployment.
We created a CodeQL query that reduced 2,500+ compiler warnings about implicit conversions in OpenVPN2 to just 20 high-priority cases, demonstrating how to effectively identify potentially dangerous type conversions in C code.
We are publishing a set of custom CodeQL queries for Go and C. We have used them to find critical issues that the standard CodeQL queries would have missed. This new release of a continuously updated repository of CodeQL queries joins our public Semgrep rules and Automated Testing Handbook in an effort […]
