Analysis of a Non-Deterministic .NET Crash Caused by Memory Corruption
Investigation Overview
A .NET application, primarily used for industrial machine vision, encountered a sponteneous crash. An analysis of the memory dump revealed critical instability within the managed heap.
Diagnosing the Crash
Using WinDbg to inspect the dump, the initial exception indicated an access violation during garbage collection:
(bf8 ...
Posted on Tue, 04 Aug 2026 16:03:45 +0000 by TCovert
Analyzing .NET Application Crashes with WinDbg: Memory Corruption and Bit Flip Issues
Initial Crash Analysis
Loading the dump file in WinDbg immediate reveals the critical exception information:
This dump file has an exception of interest stored in it.
The stored exception information can be accessed via .ecxr.
(bf8.5dc4): Access violation - code c0000005 (first/second chance not available)
For analysis of this file, run !analy ...
Posted on Sat, 18 Jul 2026 16:39:34 +0000 by cofey12681