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This process is just speculation. I didn't analyze the source code in depth, but I typed a log and the result was that a series of dispatchTouchEvent () did return true. In other words, ViewGroup1 and ViewGroup2 did not have a consumption event, but dispatchTouchEvent () returned true, so an online saying: DispatchTouchEvent () returned true is a consumption event. This statement may not be completely accurate, but we still need to go to the source code to find the answer. We will not analyze it here, but only explain one problem: don't rewrite dispatchTouchEvent () easily. Even if overridden, try to ensure that the super method is called and the return value is consistent with the super result. In fact, the source code already provides two interfaces to indirectly rewrite it, namely onInterceptTouchEvent () and onTouchEvent (), which can be known from the source code that they are eventually called by dispatchTouchEvent (). Moreover, it is no problem to use the return value of onTouchEvent () to describe whether to consume the event (View that does not consume the event cannot call onTouchEvent () at all).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.汪直等着也是等着，这便表示要去杭州看一看，此去必然不是看西湖的，想见见软禁在杭州的家人才是真的。本作的舞台也设定在冲绳的磐户岛上，当时的磐户岛正进行著自治权回复运动，但在某一天，在岛上出现的珊瑚岩受到了宿敌白细胞G-Monster的攻击，而为了保护磐户岛，男主角青与人型IFO（Intelligent Flying Object）相遇，并与G-Monster战斗的故事就此展开。原型是暴雪公司的著名网络游戏《魔兽世界》,该动画是由一群游戏动漫爱好者共同打造的,其中人物包括“核桃”,“奶茶超人”,“迷路了”等.该片清馨幽默的风格倍受魔兽玩家的推崇.同时对韩信亲自率军出战一事也表示质疑和反对，奈何韩信态度坚决，他的反对直接无效，唯一能做的就是保护好韩元帅。