A Linux system protection method based on ftrace technology
A system protection and technical technology, applied in the computer field, can solve the problems of operating system damage, accidental operation, poisoning, etc., and achieve the effect of safe operating environment
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[0018] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0019] In the present invention: ftrace-Function Trace-is mainly used to record the operating track of the kernel function; kallsyms-Linux kernel function, completes the related subsystem of function address extraction+data block organization and packaging functions; the data structure of ftrace_ops-ftrace is used for registration Callback function; new_submit_bio-kernel function; register_ftrace_function-Linux kernel function, the main function of this function is to add the new Hook function to the ftrace_ops_list linked list; offset-hard disk physical sector offset position; bio_alloc-Linux kernel function, apply for a block device Read and write objects.
[0020] Such as image 3 As shown, a Linux system protection method based on ftrace technology includes the following steps: Step S01: ftrace registration; as figure 1 As shown, when booting, t...
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