Linux Kernel Debugging: Leverage proven tools and advanced techniques to effectively debug Linux kernels and kernel modules

CyberSecurity Summary

Dec 25, 2024•44 min

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Episode description

This Book provides a comprehensive guide to debugging the Linux kernel, covering various methods and tools. The book begins by defining what debugging is and explores the different types of bugs, including memory errors, concurrency issues, and security vulnerabilities. The authors explain how to configure a debug kernel and use tools like KASAN and UBSAN to detect memory corruption. They then discuss kernel tracing techniques, including ftrace, trace-cmd, and LTTng, which allow developers to observe the kernel's execution flow and identify performance bottlenecks. Finally, the book covers advanced topics such as KGDB, a remote debugger for the Linux kernel, and systemd's journalctl for analyzing system logs. The authors provide practical examples and clear explanations of each tool and technique, making it a valuable resource for kernel developers.

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