Record Case Detail

Notes

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

Stderr

 pwd: /out/package
ppid: 339
   1: WRITELN ls
   2: WRITELN ls
   3: WRITELN ls
   4: WRITELN exit

Hints

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.

Your Answer

mumsh $ =================================================================
==340==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffda8f4c992 at pc 0x0000004aa6fa bp 0x7ffda8f418f0 sp 0x7ffda8f410a0
READ of size 7 at 0x7ffda8f4c992 thread T0
    #0 0x4aa6f9  (/out/package/mumsh_memory_check+0x4aa6f9)
    #1 0x5165b7  (/out/package/mumsh_memory_check+0x5165b7)
    #2 0x515427  (/out/package/mumsh_memory_check+0x515427)
    #3 0x7f3b3e14ab96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #4 0x41cce9  (/out/package/mumsh_memory_check+0x41cce9)

Address 0x7ffda8f4c992 is located in stack of thread T0 at offset 42706 in frame
    #0 0x5150bf  (/out/package/mumsh_memory_check+0x5150bf)

  This frame has 2 object(s):
    [32, 42440) 'pipes'
    [42704, 42706) 'line_input' <== Memory access at offset 42706 overflows this variable
HINT: this may be a false positive if your program uses some custom stack unwind mechanism or swapcontext
      (longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanit

JOJ Answer

mumsh $ driver
mumsh
mumsh_memory_check
mumsh $ driver
mumsh
mumsh_memory_check
mumsh $ driver
mumsh
mumsh_memory_check
mumsh $ exit