小机double 2019-10-15 21:16 采纳率: 0%
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力扣出现错误==29==ERROR.

在刷力扣的题时,经常出现以下错误:

=================================================================
==29==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x603000000034 at pc 0x0000004018e7 bp 0x7fff11ca35c0 sp 0x7fff11ca35b8
READ of size 4 at 0x603000000034 thread T0
    #6 0x7fb27b83f2e0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202e0)

0x603000000034 is located 12 bytes to the right of 24-byte region [0x603000000010,0x603000000028)
allocated by thread T0 here:
    #0 0x7fb27d0ee2b0 in malloc (/usr/local/lib64/libasan.so.5+0xe82b0)
    #3 0x7fb27b83f2e0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202e0)

Shadow bytes around the buggy address:
  0x0c067fff7fb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c067fff7fc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c067fff7fd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c067fff7fe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c067fff7ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0c067fff8000: fa fa 00 00 00 fa[fa]fa fa fa fa fa fa fa fa fa
  0x0c067fff8010: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c067fff8020: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c067fff8030: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c067fff8040: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c067fff8050: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07 
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
==29==ABORTING

去网上找了说是数组的下标访问错误,但是在电脑上的codeblock上编译是没有报错的,也可以得到想要的结果,请问这是问什么呢?

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2条回答 默认 最新

  • 小白四十五 2021-09-01 14:45
    关注

    在力扣上你的数组下标越界了
    把循环范围检查一下

    评论

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