Record Case Detail

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

 pwd: /out/package
ppid: 15226
   1: WRITELN echo 123
   2: WRITELN 
exit: 1

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

However, the main problem you meet now is Runtime Error. And the exit code of your program is 1, which should be 0.

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

mumsh $ 123
mumsh $ =================================================================
==15227==ERROR: AddressSanitizer: heap-use-after-free on address 0x60c000000040 at pc 0x0000004b2877 bp 0x7ffd39dbb750 sp 0x7ffd39dbaf00
READ of size 1 at 0x60c000000040 thread T0
    #0 0x4b2876  (/out/package/mumsh_memory_check+0x4b2876)
    #1 0x51fee5  (/out/package/mumsh_memory_check+0x51fee5)
    #2 0x7fa52be4bb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #3 0x41cf89  (/out/package/mumsh_memory_check+0x41cf89)

0x60c000000040 is located 0 bytes inside of 120-byte region [0x60c000000040,0x60c0000000b8)
freed by thread T0 here:
    #0 0x4dcc70  (/out/package/mumsh_memory_check+0x4dcc70)
    #1 0x51ffe9  (/out/package/mumsh_memory_check+0x51ffe9)
    #2 0x7fa52be4bb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

previously allocated by thread T0 here:
    #0 0x4dce40  (/out/package/mumsh_memory_check+0x4dce40)
    #1 0x7fa52bea9b8b  (/lib/x86_64-linux-gnu/libc.so.6+0x7fb8b)

SUMMARY: AddressSanitizer: heap-use-after-f

mumsh $ 123
mumsh $ mumsh $ exit

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JOJ Answer