Builds and runs code under AddressSanitizer to catch buffer overflows, use-after-free, and other memory errors during fuzzing or tests. Covers -fsanitize=address builds, ASAN_OPTIONS, reading the crash report, LeakSanitizer, and the overhead and platform trade-offs.
Install
npx skills add trailofbits/skills --skill address-sanitizernpx skills add trailofbits/skills --skill address-sanitizer -a claude-code -gnpx skills add trailofbits/skills --skill address-sanitizer -a codex -ggemini skills install https://github.com/trailofbits/skills.git --path plugins/testing-handbook-skills/skills/address-sanitizergh skill install trailofbits/skills address-sanitizergit clone --depth 1 https://github.com/trailofbits/skills /tmp/trailofbits__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/trailofbits__skills/plugins/testing-handbook-skills/skills/address-sanitizer ~/.claude/skills/address-sanitizer # Claude Code
cp -R /tmp/trailofbits__skills/plugins/testing-handbook-skills/skills/address-sanitizer ~/.agents/skills/address-sanitizer # Codex, Cursor, Gemini CLI, Copilot, OpenCode