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Informational 15 Bitcoin

fuzz-tests: Add coverage-increasing inputs to seed corpora

Public commit record

What the developer wrote

Authored by Chandra Pratap

83/100 · Strong
fuzz-tests: Add coverage-increasing inputs to seed corpora

Change in the fuzzing scheme of `fuzz-bolt11` led to the
discovery of test inputs that result in greater in code
coverage. Add these inputs to the test's seed corpus.
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Provides detailed explanatory context✓ Mentions testing or verification
The short version

What changed, and why it matters

This commit only adds new test input files (seed corpus) for an existing fuzz test that exercises BOLT11 invoice parsing. It does not change any production code, configuration, or behavior of the Core Lightning node. The added files are malformed or unusual invoice strings intended to improve test coverage. There is no indication this commit fixes or introduces a security issue.

Recommended action

No security action required. Treat as routine test-asset maintenance. If reviewing for fuzzing quality, verify the new seeds are correctly integrated into the fuzz-bolt11 harness and do not contain sensitive data.

Security signals we found

01

No production code changes

02

Only test corpus files added

03

No mention of vulnerability, crash, bug, or security issue in commit message

04

No CVE, advisory, or security attribution in commit metadata

Risk score

Why this scored 15/100

Our methodology →
Potential impact 0/30
Exploitability 0/25
Stealth signal 0/15
Affected reach 0/15
Confidence 10/10
Evidence quality 5/5
Human-validated context

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