Record Case Detail

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

 pwd: /out/package
ppid: 337
   1: WRITELN ls
   2: 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 $ =================================================================
==338==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffcc721deb2 at pc 0x0000004aa6fa bp 0x7ffcc7212e10 sp 0x7ffcc72125c0
READ of size 7 at 0x7ffcc721deb2 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 0x7ff4b7875b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #4 0x41cce9  (/out/package/mumsh_memory_check+0x41cce9)

Address 0x7ffcc721deb2 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

mumsh $ driver
mumsh
mumsh_memory_check
mumsh $ exit

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Your Answer

JOJ Answer