Record Case Detail

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

 pwd: /out/package
ppid: 3694
   1: WRITELN "echo" "123" "|" | cat > 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 $ =================================================================
==3695==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60b000000154 at pc 0x000000499c0c bp 0x7ffe14e3d3f0 sp 0x7ffe14e3cba0
READ of size 101 at 0x60b000000154 thread T0
    #0 0x499c0b  (/out/package/mumsh_memory_check+0x499c0b)
    #1 0x529c06  (/out/package/mumsh_memory_check+0x529c06)
    #2 0x526274  (/out/package/mumsh_memory_check+0x526274)
    #3 0x525e5c  (/out/package/mumsh_memory_check+0x525e5c)
    #4 0x5229e2  (/out/package/mumsh_memory_check+0x5229e2)
    #5 0x51685c  (/out/package/mumsh_memory_check+0x51685c)
    #6 0x7f645b1d2b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #7 0x41d169  (/out/package/mumsh_memory_check+0x41d169)

0x60b000000154 is located 0 bytes to the right of 100-byte region [0x60b0000000f0,0x60b000000154)
allocated by thread T0 here:
    #0 0x4dd020  (/out/package/mumsh_memory_check+0x4dd020)
    #1 0x515c06  (/out/package/mumsh_memory_check+0x515c06)
    #2 0x7f645b1d2b96  (/lib/x86_64

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

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JOJ Answer