Huolala Tech

Jul 29, 2024 · Fundamentals

Why Does UIDictationConnection Crash on iOS 16+? A Deep Dive into EXC_BAD_ACCESS and Fixes

This article analyzes the UIDictationConnection crash on iOS 16 and later, explains the EXC_BAD_ACCESS (SIGSEGV) cause, walks through assembly‑level stack inspection, and provides a thread‑safe locking solution with runtime hooks to prevent the wild‑pointer failure.