Notes
This function is in beta test. Please help improve it in the issues
here.
pwd: /out/package ppid: 128936 1: WRITELN sleep 10 | sleep 10 | sleep 10 | sleep 10 | sleep 10 | sleep 10 | sleep 10 | sleep 10 | sleep 10 | echo 123 2: CTRL+C Scan child pids of ppid: 128936 SIGINT Send signal 2 to pid: 128936 Scan child pids of ppid: 128937 Send signal 2 to pid: 128937 Scan child pids of ppid: 128958 Send signal 2 to pid: 128958 3: CTRL+C Scan child pids of ppid: 128936 SIGINT Send signal 2 to pid: 128936 Scan child pids of ppid: 128937 Send signal 2 to pid: 128937 Scan child pids of ppid: 128961 Send signal 2 to pid: 128961 4: WRITELN echo success 5: CTRL+C Scan child pids of ppid: 128936 SIGINT Send signal 2 to pid: 128936 Scan child pids of ppid: 128937 Send signal 2 to pid: 128937 Scan child pids of ppid: 128964 Send signal 2 to pid: 128964 6: 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 Time Exceeded. 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 $ 123
mumsh $ /in/read.c:31:29: runtime error: unsigned integer overflow: 0 - 1 cannot be represented in type 'unsigned long'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /in/read.c:31:29 in
=================================================================
==128937==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x619000000982 at pc 0x000000517b62 bp 0x7fff4bb89150 sp 0x7fff4bb89148
READ of size 1 at 0x619000000982 thread T0
#0 0x517b61 (/out/package/mumsh_memory_check+0x517b61)
#1 0x5159f9 (/out/package/mumsh_memory_check+0x5159f9)
#2 0x7fae5d9e7b96 (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#3 0x41d1e9 (/out/package/mumsh_memory_check+0x41d1e9)
0x619000000982 is located 0 bytes to the right of 1026-byte region [0x619000000580,0x619000000982)
allocated by thread T0 here:
#0 0x4dd0a0 (/out/package/mumsh_memory_check+0x4dd0a0)
#1 0x5177a9 (/out/package/mumsh_memory_check+0x5177a9)
#2 0x5159f9 (/out/package/mumsh_memory_check+0x5159f9)
#3 0x7fae
JOJ Answer
mumsh $ 123 mumsh $ mumsh $ success mumsh $ mumsh $ exit