glibc detected corrupted double-linked list: 0xb78381d8 *
    ======= Backtrace: =========
    /usr/lib/libc.so.6[0xb7781d3b]
    /usr/lib/libc.so.6[0xb7781e77]
    /usr/lib/libc.so.6[0xb7782d50]
    /usr/lib/libc.so.6(malloc+0x71)[0xb7783f2c]

    后面的call stack是自己程序的函数调用

    可能原因：

    1. 重复释放

      1. int* a = new int(10); 
      2. delete a; 
      3. delete a;   // <----  这个

    2. 释放未初始化的指针

      1. int* a; 
      2. delete a;   // <----  这个

    3. 内存越界踩踏

      1. char s[10]; 
      2. int* a = new int(10); 
      3. sprintf(s, "1234567890"); 
      4. delete a; // a 被前面的给覆盖了