The master branch is supported. Released versions are the tagged vX.Y.Z commits.

Please report vulnerabilities privately: GitHub security advisories.

This is a system library loaded into applications; memory-safety and concurrency bugs are treated as security issues. CI runs the native test suites under AddressSanitizer + UndefinedBehaviorSanitizer on every push — reports that reproduce outside that coverage are especially welcome.

• The library reads a kernel file (/proc/pressure/memory by default, or whatever psi_path is configured to). If an application points it at untrusted input, only double values are parsed; no execution paths derive from file contents.
• Callbacks fire from the monitor thread: application callbacks must be thread-safe and must not call mp_shutdown from within a callback.