Record Case Detail

Notes

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

Stderr

 pwd: /out/package
ppid: 4000
   1: WRITELN sleep 10 | echo 123
   2: CTRL+C
Scan child pids of ppid: 4000
SIGINT
Send signal 2 to pid: 4000
Scan child pids of ppid: 4001
Send signal 2 to pid: 4001
Scan child pids of ppid: 4002
Send signal 2 to pid: 4002
   3: WRITELN echo success
   4: 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 $ =================================================================
==4001==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x602000000011 at pc 0x0000004ae0bc bp 0x7ffc5151b730 sp 0x7ffc5151aee0
WRITE of size 6 at 0x602000000011 thread T0
    #0 0x4ae0bb  (/out/package/mumsh_memory_check+0x4ae0bb)
    #1 0x5192e1  (/out/package/mumsh_memory_check+0x5192e1)
    #2 0x51faba  (/out/package/mumsh_memory_check+0x51faba)
    #3 0x7f0983d34b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #4 0x41d089  (/out/package/mumsh_memory_check+0x41d089)

0x602000000011 is located 0 bytes to the right of 1-byte region [0x602000000010,0x602000000011)
allocated by thread T0 here:
    #0 0x4dcf40  (/out/package/mumsh_memory_check+0x4dcf40)
    #1 0x518f12  (/out/package/mumsh_memory_check+0x518f12)
    #2 0x51faba  (/out/package/mumsh_memory_check+0x51faba)
    #3 0x7f0983d34b96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

SUMMARY: AddressSanitizer: heap-buffer-overflow (/out/package/mumsh_memory_check+0x4ae0bb) 

JOJ Answer

mumsh $ 123

mumsh $ success
mumsh $ exit