kallsyms-mod

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Access to kallsyms_lookup_name through the use of kernel livepatch interface

kallsyms-mod 최신버젼 다운로드

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# Access to kallsyms on Linux 5.7+

`kallsyms_lookup_name` is a wonderful interface that is useful for quickly hacking kernel code without recompiling most of default kernels. Unfortunately, it is also very easy to abuse it, and deincentivizes hardware manufacturers from open-sourcing their drivers and adding them to mainline kernel tree. This is one of the reasons, why the function was unexported in Linux release 5.7.

This library is meant specifically for hacking the kernel code away, for not too serious projects - those that almost certainly wouldn't be included in the kernel. It uses variety of methods to retrieve `kallsyms_lookup_name` address. One of them is the kernel livepatching interface which has been available at least in 5.0+. We trick it into giving us the `kallsyms_lookup_name` address without actually patching the function. As long as there isn't an active patch on the function, this method should work just fine. The other one is using kprobes, which takes precedence. Based on kernel config, the right implementation is chosen. And on kernel versions <5.7, a null implementation is used.

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