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blog.maxgio.me | ||
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sergioprado.blog
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| | | | | In this article, we will learn how to debug the Linux kernel on an embedded Linux system with GDB. | |
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prog.world
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| | | | | [AI summary] The article discusses the use of Intel Processor Trace (PT) technology to capture code traces from the System Management Mode (SMM) in a computer's BIOS. The authors detail the process of creating a backdoor to access SMM, modifying the SMI dispatcher to redirect execution to a custom shellcode, and using tools like WinIPT and ptxed to analyze the trace data. They also mention challenges such as synchronization issues and the need for cross-platform compatibility, and conclude that this method provides an efficient way to investigate SMM code for vulnerabilities. | |
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nfil.dev
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| | | | | This post is about writing a simple, round-robin task scheduler for my Rust kernel. It builds on some concepts I wrote about in my previous post: To userspace and back! | |
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xenophanes.net
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| | | [AI summary] The provided text is a detailed guide on creating a Linux kernel module that implements a character device with ioctl functionality. It walks through the process of setting up the module, defining the device structure, implementing open and release functions, adding ioctl support for adding two integers, and includes test code for user-space interaction. The guide also mentions additional resources for learning about Linux device drivers. | ||
