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qianlv7

qianlv7

V2EX member #223129, joined on 2017-03-27 11:14:21 +08:00
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下个月,你忍忍
实际收到只有 len ,而 len+4 就越界了
越界了啊,假设 count == len 情况,GetRange 的范围[4 ,len+4 )啊,
@GromHellscream 你就是修改了 a[1] 的后 3 个字节,后 a[2] 的第一个字节
c = (int *) ((char *) c + 1); int* 做运算是按 4 个字节的, char* 指针的运算是 1 个字节的, 所以这句 c 现在的位置就做 1,2 之间的内存了,然后*c = 500 就导致 2 个位置的内存都修改了部分
Jan 2, 2021
Replied to a topic by Dreammilk C++ c++的 map 问题
Oct 26, 2020
Replied to a topic by fiveelementgid 程序员 zsh vs bash
@charlie21 直接 sh,也不是不能搞
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