Record Case Detail

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

 pwd: /out/package
ppid: 19483
   1: WRITELN echo 321 > 1.txt
   2: WRITELN <
   3: WRITELN 1.txt cat
   4: WRITELN ls
   5: 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 $ mumsh $ =================================================================
==19486==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffec9e07178 at pc 0x00000051afee bp 0x7ffec9e06bb0 sp 0x7ffec9e06ba8
WRITE of size 8 at 0x7ffec9e07178 thread T0
    #0 0x51afed  (/out/package/mumsh_memory_check+0x51afed)
    #1 0x516c31  (/out/package/mumsh_memory_check+0x516c31)
    #2 0x5171f9  (/out/package/mumsh_memory_check+0x5171f9)
    #3 0x518439  (/out/package/mumsh_memory_check+0x518439)
    #4 0x518fe1  (/out/package/mumsh_memory_check+0x518fe1)
    #5 0x5194d1  (/out/package/mumsh_memory_check+0x5194d1)
    #6 0x7fc67dfd1b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #7 0x41d1f9  (/out/package/mumsh_memory_check+0x41d1f9)

Address 0x7ffec9e07178 is located in stack of thread T0 at offset 88 in frame
    #0 0x51693f  (/out/package/mumsh_memory_check+0x51693f)

  This frame has 2 object(s):
    [32, 56) 'filename'
    [96, 2144) 'argv' <== Memory access at offset 88 underflows this variable
HI

mumsh $ mumsh $ > 321
mumsh $ 1.txt
driver
mumsh
mumsh_memory_check
mumsh $ exit

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JOJ Answer