Record Case Detail

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

 pwd: /out/package
ppid: 5041
   1: WRITELN echo 123 > 1.txt
   2: WRITELN echo 222 > 2.txt
   3: WRITELN echo 321 > 4.txt
   4: WRITELN <1.txt>3.txt cat 2.txt 4.txt
   5: WRITELN cat 1.txt
   6: WRITELN cat 2.txt
   7: WRITELN cat 3.txt
   8: WRITELN cat 4.txt
   9: WRITELN ls
  10: WRITELN exit
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 $ =================================================================
==5042==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x602000000011 at pc 0x0000004ae0bc bp 0x7ffc2df806d0 sp 0x7ffc2df7fe80
WRITE of size 5 at 0x602000000011 thread T0
    #0 0x4ae0bb  (/out/package/mumsh_memory_check+0x4ae0bb)
    #1 0x5192e1  (/out/package/mumsh_memory_check+0x5192e1)
    #2 0x51faba  (/out/package/mumsh_memory_check+0x51faba)
    #3 0x7efe37310b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #4 0x41d089  (/out/package/mumsh_memory_check+0x41d089)

0x602000000011 is located 0 bytes to the right of 1-byte region [0x602000000010,0x602000000011)
allocated by thread T0 here:
    #0 0x4dcf40  (/out/package/mumsh_memory_check+0x4dcf40)
    #1 0x518f12  (/out/package/mumsh_memory_check+0x518f12)
    #2 0x51faba  (/out/package/mumsh_memory_check+0x51faba)
    #3 0x7efe37310b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

SUMMARY: AddressSanitizer: heap-buffer-overflow (/out/package/mumsh_memory_check+0x4ae0bb)

mumsh $ mumsh $ mumsh $ mumsh $ mumsh $ 123
mumsh $ 222
mumsh $ 222
321
mumsh $ 321
mumsh $ 1.txt
2.txt
3.txt
4.txt
driver
mumsh
mumsh_memory_check
mumsh $ exit

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JOJ Answer