Record Case Detail

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

 pwd: /out/package
ppid: 562
   1: WRITELN echo 321 |
   2: WRITELN cat |
   3: WRITELN cat
   4: 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 $ /in/mumsh.c:290:9: runtime error: load of null pointer of type 'char *'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /in/mumsh.c:290:9 in 
AddressSanitizer:DEADLYSIGNAL
=================================================================
==565==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x00000051bc66 bp 0x7fff60748570 sp 0x7fff60748250 T0)
==565==The signal is caused by a READ memory access.
==565==Hint: address points to the zero page.
    #0 0x51bc65  (/out/package/mumsh_memory_check+0x51bc65)
    #1 0x51c643  (/out/package/mumsh_memory_check+0x51c643)
    #2 0x51f26b  (/out/package/mumsh_memory_check+0x51f26b)
    #3 0x522aea  (/out/package/mumsh_memory_check+0x522aea)
    #4 0x525968  (/out/package/mumsh_memory_check+0x525968)
    #5 0x7f6d52fd5b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #6 0x41d3d9  (/out/package/mumsh_memory_check+0x41d3d9)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/mumsh_memory_check+

mumsh $ > > 321
mumsh $ exit

Notes

Stderr

Hints

Your Answer

JOJ Answer