Record Case Detail

Notes

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

Stderr

 pwd: /out/package
ppid: 25670
   1: WRITELN /bin/ls &
   2: WRITELN sleep 0.2
   3: WRITELN /bin/ls | cat &
   4: WRITELN sleep 0.2
   5: 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 $ =================================================================
==25671==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x602000000011 at pc 0x0000004ae0dc bp 0x7ffd90102bd0 sp 0x7ffd90102380
WRITE of size 8 at 0x602000000011 thread T0
    #0 0x4ae0db  (/out/package/mumsh_memory_check+0x4ae0db)
    #1 0x519301  (/out/package/mumsh_memory_check+0x519301)
    #2 0x51fcca  (/out/package/mumsh_memory_check+0x51fcca)
    #3 0x7f8d398dfb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #4 0x41d0a9  (/out/package/mumsh_memory_check+0x41d0a9)

0x602000000011 is located 0 bytes to the right of 1-byte region [0x602000000010,0x602000000011)
allocated by thread T0 here:
    #0 0x4dcf60  (/out/package/mumsh_memory_check+0x4dcf60)
    #1 0x518f32  (/out/package/mumsh_memory_check+0x518f32)
    #2 0x51fcca  (/out/package/mumsh_memory_check+0x51fcca)
    #3 0x7f8d398dfb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

SUMMARY: AddressSanitizer: heap-buffer-overflow (/out/package/mumsh_memory_check+0x4ae0db) 

JOJ Answer

mumsh $ [1] /bin/ls &
mumsh $ driver
mumsh
mumsh_memory_check
mumsh $ [2] /bin/ls | cat &
mumsh $ driver
mumsh
mumsh_memory_check
mumsh $ exit