Notes
This function is in beta test. Please help improve it in the issues
here.
pwd: /out/package ppid: 128910 1: WRITELN sleep 10 2: CTRL+C Scan child pids of ppid: 128910 SIGINT Send signal 2 to pid: 128910 Scan child pids of ppid: 128911 Send signal 2 to pid: 128911 Scan child pids of ppid: 128912 Send signal 2 to pid: 128912 Scan child pids of ppid: 128913 Send signal 2 to pid: 128913 3: WRITELN echo 123 > 1.txt 4: WRITELN sleep 10 > 1.txt 5: CTRL+C Scan child pids of ppid: 128910 SIGINT Send signal 2 to pid: 128910 Scan child pids of ppid: 128911 Send signal 2 to pid: 128911 Scan child pids of ppid: 128918 Send signal 2 to pid: 128918 Scan child pids of ppid: 128919 Send signal 2 to pid: 128919 6: WRITELN cat 1.txt 7: WRITELN echo success 8: CTRL+C Scan child pids of ppid: 128910 SIGINT Send signal 2 to pid: 128910 Scan child pids of ppid: 128911 Send signal 2 to pid: 128911 Scan child pids of ppid: 128925 Send signal 2 to pid: 128925 9: 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 $ mumsh $
mumsh $ mumsh $ success
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
=================================================================
==128911==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x619000001d82 at pc 0x000000517b62 bp 0x7ffc36f51070 sp 0x7ffc36f51068
READ of size 1 at 0x619000001d82 thread T0
#0 0x517b61 (/out/package/mumsh_memory_check+0x517b61)
#1 0x5159f9 (/out/package/mumsh_memory_check+0x5159f9)
#2 0x7fad57b58b96 (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#3 0x41d1e9 (/out/package/mumsh_memory_check+0x41d1e9)
0x619000001d82 is located 0 bytes to the right of 1026-byte region [0x619000001980,0x619000001d82)
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/mums
JOJ Answer
mumsh $ mumsh $ mumsh $ mumsh $ mumsh $ success mumsh $ mumsh $ exit