Record Case Detail

Notes

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

Stderr

 pwd: /out/package
ppid: 5836
   1: WRITELN echo 123 > 1.txt
   2: WRITELN echo abc > > > >
   3: WRITELN echo abc > < 1.txt
   4: WRITELN echo abc > | grep abc
   5: WRITELN exit
exit: 1

Hints

Your answer may be identical to the JOJ answer in the first several lines.

However, the main problem you meet now is Runtime Error. And the exit code of your program is 1, which should be 0.

Please double check your code to solve this problem and try again.

Your Answer

mumsh $ mumsh $ /in/shell.c:124:7: runtime error: load of null pointer of type 'char'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /in/shell.c:124:7 in 
AddressSanitizer:DEADLYSIGNAL
=================================================================
==5837==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x000000516e1b bp 0x7fff0f1f2bf0 sp 0x7fff0f1f2410 T0)
==5837==The signal is caused by a READ memory access.
==5837==Hint: address points to the zero page.
    #0 0x516e1a  (/out/package/mumsh_memory_check+0x516e1a)
    #1 0x515721  (/out/package/mumsh_memory_check+0x515721)
    #2 0x7fd43b491b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #3 0x41cf09  (/out/package/mumsh_memory_check+0x41cf09)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/out/package/mumsh_memory_check+0x516e1a) 
==5837==ABORTING

JOJ Answer

mumsh $ mumsh $ syntax error near unexpected token `>'
mumsh $ syntax error near unexpected token `<'
mumsh $ syntax error near unexpected token `|'
mumsh $ exit