title: Aborted Core Dumped
body: <pre><code>stack.out: malloc.c:2372: 
  sysmalloc: Assertion `(old_top == (((mbinptr) (((char *) &amp;((av)-&gt;bins[((1)- 1) * 2])) - 
  __builtin_offsetof (struct malloc_chunk, fd)))) 
      &amp;&amp; old_size == 0) || ((unsigned long) (old_size) &gt;= (unsigned long)((((__builtin_offsetof (struct malloc_chunk, fd_nextsize))+((2 *(sizeof(size_t))) - 1)) &amp; ~((2 *(sizeof(size_t))) - 1))) 
      &amp;&amp; ((old_top)-&gt;size &amp; 0x1) &amp;&amp; ((unsigned long) old_end &amp; pagemask) == 0)' failed.
  Aborted (core dumped)
  </code></pre>
  
  <p>When I was dealing with my codes that includes stack subject,and suddenly it is seen my gcc compiler's error I did not get anything,What does it mean,if you know these things,please tell my wrong in the program.Thanks in advance.</p>