Record Case Detail

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 pwd: /out/package
ppid: 99928
   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.

AddressSanitizer:DEADLYSIGNAL
=================================================================
==99929==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7f668f42abab bp 0x631000014800 sp 0x7ffc79a67f10 T0)
==99929==The signal is caused by a READ memory access.
==99929==Hint: address points to the zero page.
    #0 0x7f668f42abaa  (/lib/x86_64-linux-gnu/libc.so.6+0x7ebaa)
    #1 0x51a15e  (/out/package/mumsh_memory_check+0x51a15e)
    #2 0x5156a5  (/out/package/mumsh_memory_check+0x5156a5)
    #3 0x7f668f3cdb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #4 0x41cdd9  (/out/package/mumsh_memory_check+0x41cdd9)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/lib/x86_64-linux-gnu/libc.so.6+0x7ebaa) 
==99929==ABORTING

mumsh $ > > 321
mumsh $ exit

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JOJ Answer