Record Case Detail

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

 pwd: /out/package
ppid: 81272
   1: WRITELN /bin/ls &
   2: WRITELN sleep 0.2
   3: WRITELN /bin/ls | cat &
   4: WRITELN sleep 0.2
   5: 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 $ /bin/ls: cannot access '&': No such file or directory
mumsh $ mumsh $ cat: '&': No such file or directory
mumsh $ mumsh $ exit
AddressSanitizer:DEADLYSIGNAL
=================================================================
==81273==ERROR: AddressSanitizer: SEGV on unknown address 0x000000533570 (pc 0x000000428213 bp 0x7ffcc99782d0 sp 0x7ffcc9978280 T0)
==81273==The signal is caused by a WRITE memory access.
    #0 0x428212  (/out/package/mumsh_memory_check+0x428212)
    #1 0x4dc9ca  (/out/package/mumsh_memory_check+0x4dc9ca)
    #2 0x5170aa  (/out/package/mumsh_memory_check+0x5170aa)
    #3 0x51b9dc  (/out/package/mumsh_memory_check+0x51b9dc)
    #4 0x7effd5e3fb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #5 0x41cd09  (/out/package/mumsh_memory_check+0x41cd09)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/mumsh_memory_check+0x428212) 
==81273==ABORTING

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

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JOJ Answer