Record Case Detail

This function is in beta test. Please help improve it in the issues here.

 pwd: /out/package
ppid: 86193
   1: WRITELN diff
   2: WRITELN exit

Your answer may be identical to the JOJ answer in the first several lines.

However, you will still get Wrong Answer because the complete output may be longer and there might be errors in the future lines.

Please double check your code to solve this problem and try again.

mumsh $ =================================================================
==86194==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x602000000014 at pc 0x0000004adc4c bp 0x7ffe8cb67210 sp 0x7ffe8cb669c0
WRITE of size 5 at 0x602000000014 thread T0
    #0 0x4adc4b  (/out/package/mumsh_memory_check+0x4adc4b)
    #1 0x515b76  (/out/package/mumsh_memory_check+0x515b76)
    #2 0x7f1e2dc0bb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #3 0x41cc19  (/out/package/mumsh_memory_check+0x41cc19)

0x602000000014 is located 0 bytes to the right of 4-byte region [0x602000000010,0x602000000014)
allocated by thread T0 here:
    #0 0x4dcad0  (/out/package/mumsh_memory_check+0x4dcad0)
    #1 0x515ad2  (/out/package/mumsh_memory_check+0x515ad2)
    #2 0x7f1e2dc0bb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

SUMMARY: AddressSanitizer: heap-buffer-overflow (/out/package/mumsh_memory_check+0x4adc4b) 
Shadow bytes around the buggy address:
  0x0c047fff7fb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c047fff7f

mumsh $ diff: missing operand after 'diff'
diff: Try 'diff --help' for more information.
mumsh $ exit

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JOJ Answer