Record Case Detail

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

 pwd: /out/package
ppid: 5610
   1: WRITELN echo 123 > 1.txt
   2: WRITELN cat < 1.txt
   3: WRITELN ls
   4: 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 $ =================================================================
==5611==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x619000000980 at pc 0x0000004aa6fa bp 0x7ffddb8d9130 sp 0x7ffddb8d88e0
READ of size 1012 at 0x619000000980 thread T0
    #0 0x4aa6f9  (/out/package/mumsh_memory_check+0x4aa6f9)
    #1 0x5165e9  (/out/package/mumsh_memory_check+0x5165e9)
    #2 0x5153f2  (/out/package/mumsh_memory_check+0x5153f2)
    #3 0x7f37b4d34b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #4 0x41cce9  (/out/package/mumsh_memory_check+0x41cce9)

0x619000000980 is located 0 bytes to the right of 1024-byte region [0x619000000580,0x619000000980)
allocated by thread T0 here:
    #0 0x4dcba0  (/out/package/mumsh_memory_check+0x4dcba0)
    #1 0x518e48  (/out/package/mumsh_memory_check+0x518e48)
    #2 0x51538a  (/out/package/mumsh_memory_check+0x51538a)
    #3 0x7f37b4d34b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

SUMMARY: AddressSanitizer: heap-buffer-overflow (/out/package/mumsh_memory_check+0x4aa6

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

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JOJ Answer