Record Case Detail

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

 pwd: /out/package
ppid: 35420
   1: WRITELN echo 123 > 1.txt
   2: WRITELN echo "<1.'txt'
   3: WRITELN " < 1.txt >> 2."'txt'"
   4: WRITELN cat 1.txt
   5: WRITELN cat 2."'txt'"
   6: WRITELN ls
   7: 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 $ =================================================================
==35421==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x6040000000b5 at pc 0x000000438dbb bp 0x7ffc7014bf70 sp 0x7ffc7014b720
WRITE of size 23 at 0x6040000000b5 thread T0
    #0 0x438dba  (/out/package/mumsh+0x438dba)
    #1 0x516a40  (/out/package/mumsh+0x516a40)
    #2 0x515538  (/out/package/mumsh+0x515538)
    #3 0x7f53bbcb5b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #4 0x41d0a9  (/out/package/mumsh+0x41d0a9)

0x6040000000b5 is located 0 bytes to the right of 37-byte region [0x604000000090,0x6040000000b5)
allocated by thread T0 here:
    #0 0x4dcf60  (/out/package/mumsh+0x4dcf60)
    #1 0x5169c5  (/out/package/mumsh+0x5169c5)
    #2 0x515538  (/out/package/mumsh+0x515538)
    #3 0x7f53bbcb5b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

SUMMARY: AddressSanitizer: heap-buffer-overflow (/out/package/mumsh+0x438dba) 
Shadow bytes around the buggy address:
  0x0c087fff7fc0: 00 00 00 00 00 00 00 00 00 00 00 00

mumsh $ mumsh $ > mumsh $ 123
mumsh $ <1.'txt'

mumsh $ 1.txt
2.'txt'
driver
mumsh
mumsh_memory_check
mumsh $ exit

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JOJ Answer