Record Case Detail

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

 pwd: /out/package
ppid: 37892
   1: WRITELN echo 123 > 1.txt
   2: WRITELN cat < 1.txt
   3: WRITELN ls
   4: 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 $ =================================================================
==37893==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x602000000014 at pc 0x0000004ae2bc bp 0x7ffe1c323150 sp 0x7ffe1c322900
WRITE of size 5 at 0x602000000014 thread T0
    #0 0x4ae2bb  (/out/package/mumsh_memory_check+0x4ae2bb)
    #1 0x516573  (/out/package/mumsh_memory_check+0x516573)
    #2 0x51c71f  (/out/package/mumsh_memory_check+0x51c71f)
    #3 0x51ce4d  (/out/package/mumsh_memory_check+0x51ce4d)
    #4 0x7f54e65b2b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #5 0x41d289  (/out/package/mumsh_memory_check+0x41d289)

0x602000000014 is located 0 bytes to the right of 4-byte region [0x602000000010,0x602000000014)
allocated by thread T0 here:
    #0 0x4dd368  (/out/package/mumsh_memory_check+0x4dd368)
    #1 0x5160ba  (/out/package/mumsh_memory_check+0x5160ba)
    #2 0x51c71f  (/out/package/mumsh_memory_check+0x51c71f)
    #3 0x51ce4d  (/out/package/mumsh_memory_check+0x51ce4d)
    #4 0x7f54e65b2b96  (/lib/x86_64-l

mumsh $ mumsh $ 123
mumsh $ 1.txt
driver
mumsh
mumsh_memory_check
mumsh $ exit

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JOJ Answer