Programmer Think

Linux kernel read / write file Read and write file data in the driver to be debugged. For example, when the driver needs to record more logs, you can write the information printed by printk() function to the file for subsequent analysis. There is no standard library available for operating files in the kernel. Some kernel functions need to be ...

The first time to start the kernel problem depends on the reproduction of fmyy master's blog. After the reproduction, I have a general understanding of the use of uaf in the kernel. Problem solving steps: 1. Write a blog with a short talk. The topic gives us a compressed package and decompresses it. It is found that there is no vmlinux. Therefo ...

Author: Ke Yuchang consultant Software EngineerCurrently engaged in container R & D of RadonDB MySQL, graduated from Huazhong University of science and technology, and has many years of experience in database kernel development.Mastering the reading and debugging ability of MySQL kernel source code is not only the daily work of database R & ...

Linux kernel timer 1. Kernel time management Many functions in Linux kernel need time management, such as periodic scheduler, delay program and timer. The hardware timer provides the clock source. The frequency of the clock source can be set. After setting, the timing interrupt will be generated periodically. The system uses the timing interr ...

Running armv8 platform with qumu Because the work involves the bsp part of the mobile phone, we will systematically learn the contents of uboot and kernel in the future. This chapter refers to the linux kernel of running bar Bloggers use virtual machines for learning. The system is Ubuntu 16.04 Tools and code download Install the f ...