Notes
This function is in beta test. Please help improve it in the issues
here.
pwd: /out/package ppid: 91533 1: WRITELN sleep 10 | echo 123 2: CTRL+C Scan child pids of ppid: 91533 SIGINT Send signal 2 to pid: 91533 Scan child pids of ppid: 91534 Send signal 2 to pid: 91534 Scan child pids of ppid: 91535 Send signal 2 to pid: 91535 3: WRITELN echo success 4: WRITELN exit
Hints
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.
Your Answer
mumsh $ /in/main.c:111:13: runtime error: index 1024 out of bounds for type 'char [1024]'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /in/main.c:111:13 in
=================================================================
==91534==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7ffc97bd0400 at pc 0x000000517104 bp 0x7ffc97bcffd0 sp 0x7ffc97bcffc8
WRITE of size 1 at 0x7ffc97bd0400 thread T0
#0 0x517103 (/out/package/mumsh_memory_check+0x517103)
#1 0x522303 (/out/package/mumsh_memory_check+0x522303)
#2 0x7f0f9b87bb96 (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#3 0x41d039 (/out/package/mumsh_memory_check+0x41d039)
Address 0x7ffc97bd0400 is located in stack of thread T0 at offset 1056 in frame
#0 0x51682f (/out/package/mumsh_memory_check+0x51682f)
This frame has 2 object(s):
[32, 1056) 'command' <== Memory access at offset 1056 overflows this variable
[1184, 1192) 'fd424'
HINT: this may be a false positive if your program uses some custom stack unwind me
JOJ Answer
mumsh $ 123 mumsh $ success mumsh $ exit