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天空星辰闪烁，但是旷野上枯草连连。An activity, a process, an unforgettable memory. I think every member of our team has gained a lot from this activity. The infinite past takes this moment as its destination. The infinite future starts at this moment. At this moment, for me, this will also be another starting point of my life, where I will carry this perfect memory, set off with emotion and thinking, explore a broader long river of life, and devote myself to the future work construction! Although the time of this practical activity is short, the enlightenment it leaves us is profound and long-term, and it is a solid step on our life road. Through my attentive participation in social practice activities, Knowing the society, realizing my social position, clarifying my historical mission and stimulating my enthusiasm for learning, I will constantly adjust and perfect my knowledge structure, overcome all kinds of setbacks on the way forward, exercise my will and perseverance, and make preparations for adapting to future work. After the movement, each of us was filled with smiles and could see that the activity was * over!On Zhihu, a netizen said,《OBSOLETE》是由虚渊玄担任原案系列构成的原创全CG动画。Figure 1 is an example of a JOP attack. In this example, the attacker's aim is to execute a system call "int 0x80" to open a new command line window. To do this, an attacker needs to modify the contents of the eax register to "0x0000000b" and the ebx register to the string "/bin/sh" before "int 0x80" is called, and the ecx and edx registers must point to the value "0x00000000". Suppose the value "0x0000000" and the string "/bin/sh" can be found in memory when the program is running. An attacker needs to construct the value "0x0000000b" himself. However, for the value "0x0000000b", when an attacker saves data to the stack through a buffer overflow, the "0x00" byte will trigger the system to terminate the read operation. This example specifically describes how the attacker uses the existing code snippet in the program to modify the value of val pushed into the stack by the attacker step by step from "0xffffff0b" to the value required by the system call "0x0000000b", thus implementing JOP attack. The following are the detailed steps of the process.绿叶则一边认错苦求，一边谢嬷嬷教导，说往后再也不敢大意了。The next three years will be the decisive period for building a well-off society in an all-round way. By 2020, our first 100-year goal will be achieved. So, standing at a new historical starting point, how can we move towards the goal of the second century? The report of the 19th National Congress pointed out that we should not only build a well-off society in an all-round way and achieve the goal of the first century, but also take advantage of the situation to embark on a new journey of building a modern socialist country in an all-round way and march towards the goal of the second century.