objc-reentrancy-audit

To find re-entrancy bugs in Objective-C, you can run a static analysis scan using ripgrep to identify hazardous patterns like callbacks under locks, KVO recursion, and synchronous queue re-entry. This pinpoints synchronization issues causing intermittent crashes.

A re-entrancy vulnerability in Objective-C occurs when code re-enters a partially updated state during concurrent operations, often via notification cycles or callbacks within synchronization primitives. This unsafe re-entry leads to deadlocks, crashes, and inconsistent application state.

Yes, you can audit Objective-C++ code for notification and KVO cycles using static analysis. The scan specifically targets these recursive call loops and delegate ordering issues by identifying dispatch synchronization sites and callback patterns.

You triage re-entrancy hazards during an Objective-C code audit using a prioritized P0-P3 system. This triage system helps you focus on the most critical synchronization and inconsistent state debugging issues first, streamlining crash analysis.

The re-entrancy audit requires no specific dependencies to set up. It uses built-in scripts to perform static analysis with ripgrep on your current directory and outputs the triage results directly to a temporary folder.

The best way to detect synchronous queue re-entry into partially updated states is to run a static analysis scan that identifies dispatch synchronization sites. This locates re-entrancy vulnerabilities where callbacks execute before state updates complete.