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smallzhong avatar smallzhong commented on July 28, 2024

The code in this repository doesn't handle assembly code with relative jumps very well. In fact, it can easily encounter problems in the kernel because you simply can't request an address that's only 2GB away from the hooked position in the kernel . So once there is a four-byte relative jump like 0x0f 0x8x xx xx xx xx, it can't relocate.
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I've written a toy before that can solve this problem, https://github.com/smallzhong/kernelhook. I specifically adapted the code to handle relative jumps like 0xex xx, 0x0f 0x8x xx xx xx xx, 0xe8(0xe9) xx xx xx xx, etc., which can solve this problem.
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However, my code is a toy, and it can't be used in a real production environment. In fact, the reason I wrote this toy is because I couldn't find a complete open-source repo that could adapt to these relative jumps in the kernel.

from hooklib.

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