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All LessonsFree Lessons (4)

Getting Started

What Is This Course About?

Fundamentals of Core Dump Analysis

Virtual Memory and Memory Dumps The Role of Threads Exceptions Collecting User Process Core Dumps Overview of the x64 Disassembly Pattern-Oriented Diagnostic Analysis Quiz: Fundamentals of Core Dump Analysis

Using GDB With Multi-Threaded Applications

GDB: An Overview Use GDB with a Multi-Threaded Application I Use GDB with a Multi-Threaded Application II Core Dump Analysis Challenge Quiz: Using GDB With Multi-Threaded Applications

Null Pointer Patterns and External Debugging Information

Detect NULL Pointer Exceptions Due to Data Detect NULL Pointer Exceptions Due to Code Use External Debugging Information The NULL Pointer (Data and Code) Analysis Patterns Quiz: NULL Pointer Patterns and External Debugging Information

Spiking Threads

Identify Spiking Threads Spiking Thread Analysis Pattern Quiz: Spiking Threads

Heap Corruption

Identify Heap Corruption Dynamic Memory Corruption Pattern Quiz: Heap Corruption

Stack Corruption and Overflow

Identify Stack Corruption Identify Stack Overflow Local Buffer Overflow (User Space) and Stack Overflow Patterns Quiz: Stack Corruption and Overflow

Active Threads

Identify Active Threads Divide-by-Zero Pattern Quiz: Active Threads

Runtime Exceptions and Execution Residues

Identify Runtime Exceptions and Execution Residues Patterns Analysis Quiz: Runtime Exceptions and Execution Residues

Heap Errors

Identify Heap Leaks Identify Heap Contention Errors Critical Region Pattern Quiz: Heap Errors

Deadlocks

Identify Deadlocks

Quiz: Deadlocks

Post-processing

Dump Memory for Post-Processing Quiz: Post-processing

Kernel Dump Analysis with Crash

Overview and Required Tools Examine Normal Kernel Dumps Examine Problematic Kernel Dumps Examine Problems With Kernel Threads Identify Spiking Kernel Threads Identify Kernel Stack Overflow and Boundaries Quiz: Kernel Dump Analysis with Crash

Wrapping Up

FAQs Conclusion

Appendix

How to Install GDB and Crash on a Local Device More Analysis Patterns: Paratext and Lateral Damage

Accelerated Linux Core Dump Analysis/

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Quiz: Deadlocks

Quiz: Deadlocks

Test your knowledge of deadlocks.

We'll cover the following...

Technical Quiz

1.

How do we identify the owner of a mutex m?

A.

info m

B.

x/s m

C.

print (pthread_mutex_t)m

D.

print *(pthread_mutex_t *)&m

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