Filesystem & Kernel TOCTOU Race Audit (`offensive-toctou`)

Authorization & Scope Notice: This skill is part of the REA_Skill + claude-red Unified Security & Reverse Engineering Suite. It is designed strictly for authorized security assessments, defensive architecture reviews, vulnerability triage, bug bounty verification, and remediation engineering on software, infrastructure, and assets you own or have explicit permission to test.

Overview

Time-of-Check to Time-of-Use (TOCTOU) race condition auditing in privileged daemons, installers, and kernel drivers, covering symlink/oplock races, double-fetch bugs, and remediation with openat2 and handle-based APIs.