ci: add Coverity Scan static analysis workflow#5
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Add a GitHub Actions workflow that builds libfuse with cov-build and submits results to Coverity Scan (scan.coverity.com) for inter-procedural static analysis. Coverity's analysis is particularly effective at tracking NULL dereferences, use-after-free, and resource leaks across function call boundaries — the same bug classes seen in recent CVE fixes (CVE-2026-33150, CVE-2026-33179). Requires two repository secrets: COVERITY_SCAN_TOKEN - project token from scan.coverity.com COVERITY_SCAN_EMAIL - email registered with the Coverity project Register the project at https://scan.coverity.com (free for open source). Only runs on push to master since secrets are unavailable to fork PRs. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
Add a GitHub Actions workflow that builds libfuse with Coverity's
cov-buildand submits results to scan.coverity.com (free for open source projects).Why Coverity
Coverity's inter-procedural dataflow analysis tracks values across function boundaries — the key difference from cppcheck/GCC analyzer, which tend to be intra-procedural. This matches the real bug patterns in libfuse:
fuse_get_context()null checkfuse_ringfreed, pointer retained inse->uring.pool)pthread_setspecific, mountpoint, pipe leaksfuse_daemonize()Setup required
Register the project at https://scan.coverity.com (free for OSS), then add two repository secrets:
COVERITY_SCAN_TOKENCOVERITY_SCAN_EMAILWorkflow only runs on push to master — secrets are unavailable to fork PRs.