Record Case Detail

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

 pwd: /out/package
ppid: 4960
   1: WRITELN > abc | | grep 123
   2: WRITELN exit
exit: 0

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:277:11: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/unistd.h:582:14: note: nonnull attribute specified here
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /in/mumsh.c:277:11 in 
AddressSanitizer:DEADLYSIGNAL
=================================================================
==4963==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7f712ba1b4b0 bp 0x7ffc4390a5b0 sp 0x7ffc4390a520 T0)
==4963==The signal is caused by a READ memory access.
==4963==Hint: address points to the zero page.
    #0 0x7f712ba1b4af  (/lib/x86_64-linux-gnu/libc.so.6+0xe54af)
    #1 0x5178cd  (/out/package/mumsh_memory_check+0x5178cd)
    #2 0x7f712b957b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #3 0x41cff9  (/out/package/mumsh_memory_check+0x41cff9)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/lib/x86_64-linux-gnu/libc.so.6+0xe54af) 
==4963==ABORTING
/in/mumsh.c:277:11: runtime error: null po

mumsh $ error: missing program
mumsh $ exit

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Your Answer

JOJ Answer