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coverage-analysis - Analyze fuzzing coverage and harness effectiveness

Measures code exercised during fuzzing to assess harness effectiveness and identify fuzzing blockers.

Tags

Updated: 2026-10-08
fuzzingcode coverageharness analysisLLVMGCCRust

Capabilities

Instrument code for coverageExecute corpus inputsProcess profile dataGenerate coverage reports

Typical Inputs

Instrumented source code or buildFuzzing corpusFuzzer target or harness

Typical Outputs

Coverage profile dataText or HTML coverage reportsCoverage comparison results

What this skill does

  • Instrument code for coverage
  • Execute corpus inputs
  • Process profile data
  • Generate coverage reports
  • Identify fuzzing blockers
  • Compare coverage changes

Inputs

  • Instrumented source code or build
  • Fuzzing corpus
  • Fuzzer target or harness

Outputs

  • Coverage profile data
  • Text or HTML coverage reports
  • Coverage comparison results

Requirements

  • LLVM, GCC, or Rust toolchain
  • Coverage utilities
  • Build and execution permissions

Source

  • Spec: SKILL.md

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