Record Case Detail

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

 pwd: /out/package
ppid: 82156
   1: WRITELN echo 123 > 1.txt
   2: WRITELN "echo" "<1.'txt'" < 1.txt > "2.""txt"
   3: WRITELN cat 1.txt
   4: WRITELN cat 2.txt
   5: WRITELN ls
   6: 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 $ =================================================================
==82157==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x618000000ba0 at pc 0x00000051768f bp 0x7ffe20680320 sp 0x7ffe20680318
READ of size 8 at 0x618000000ba0 thread T0
    #0 0x51768e  (/out/package/mumsh_memory_check+0x51768e)
    #1 0x518528  (/out/package/mumsh_memory_check+0x518528)
    #2 0x522d10  (/out/package/mumsh_memory_check+0x522d10)
    #3 0x7f21ba3feb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #4 0x41cc69  (/out/package/mumsh_memory_check+0x41cc69)

0x618000000ba0 is located 0 bytes to the right of 800-byte region [0x618000000880,0x618000000ba0)
allocated by thread T0 here:
    #0 0x4dcb20  (/out/package/mumsh_memory_check+0x4dcb20)
    #1 0x522021  (/out/package/mumsh_memory_check+0x522021)
    #2 0x522c18  (/out/package/mumsh_memory_check+0x522c18)
    #3 0x7f21ba3feb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

SUMMARY: AddressSanitizer: heap-buffer-overflow (/out/package/mumsh_memory_check+0

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