Record Case Detail

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

 pwd: /out/package
ppid: 5330
   1: WRITELN echo 123 > 1.txt
   2: WRITELN "echo" "<
   3: WRITELN 1.'txt'" <
   4: WRITELN 1.txt >
   5: WRITELN "2.""txt"
   6: WRITELN cat 1.txt
   7: WRITELN cat 2.txt
   8: WRITELN ls
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 $ mumsh $ /in/mumsh.c:236:17: runtime error: null pointer passed as argument 1, which is declared to never be null
/usr/include/fcntl.h:157:56: note: nonnull attribute specified here
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /in/mumsh.c:236:17 in 
mumsh $ mumsh $ /in/mumsh.c:72:7: runtime error: load of null pointer of type 'char'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /in/mumsh.c:72:7 in 
AddressSanitizer:DEADLYSIGNAL
=================================================================
==5334==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x000000515f92 bp 0x7ffdd4674530 sp 0x7ffdd4673be0 T0)
==5334==The signal is caused by a READ memory access.
==5334==Hint: address points to the zero page.
    #0 0x515f91  (/out/package/mumsh_memory_check+0x515f91)
    #1 0x516e1c  (/out/package/mumsh_memory_check+0x516e1c)
    #2 0x7f3ee9cb1b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #3 0x41cff9  (/out/package/mumsh_memory_check+0x41cff9)

AddressSanitizer can

mumsh $ mumsh $ > > > mumsh $ 123
mumsh $ <
1.'txt'
mumsh $ 1.txt
2.txt
driver
mumsh
mumsh_memory_check
mumsh $ exit

Notes

Stderr

Hints

Your Answer

JOJ Answer