Notes
This function is in beta test. Please help improve it in the issues
here.
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
================================================================= ==72720==ERROR: AddressSanitizer: stack-buffer-underflow on address 0x7ffce5577e5f at pc 0x0000005164c3 bp 0x7ffce5577770 sp 0x7ffce5577768 READ of size 1 at 0x7ffce5577e5f thread T0 #0 0x5164c2 (/out/package/mumsh_memory_check+0x5164c2) #1 0x515621 (/out/package/mumsh_memory_check+0x515621) #2 0x7f46a0a3bb96 (/lib/x86_64-linux-gnu/libc.so.6+0x21b96) #3 0x41cd39 (/out/package/mumsh_memory_check+0x41cd39) Address 0x7ffce5577e5f is located in stack of thread T0 at offset 31 in frame #0 0x51510f (/out/package/mumsh_memory_check+0x51510f) This frame has 1 object(s): [32, 1056) 'cmdline' <== Memory access at offset 31 underflows 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: AddressSanitizer: stack-buffer-underflow (/out/package/mumsh_memory_check+0x5164c2) Shadow bytes around the bugg
JOJ Answer
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