kosaki

#include <stdio.h>
#include <string.h>

#define BUFSIZE 80

int main(int argc, char *argv[]) {
  char employee[BUFSIZE] = "John,Doe,john@example.com";
  char name[BUFSIZE] = {0};
  char surname[BUFSIZE] = {0};
  char *email;

kosaki

MEMSTOMP(1)                            General Commands Manual                           MEMSTOMP(1)

NAME
       memstomp - detect function calls with overlapping memory regions

SYNOPSIS
       memstomp [-dk] application [argument...]

       memstomp -h

kosaki

$ memstomp -d  ./employee
memstomp: 0.1.4 successfully initialized for process employee (pid 30842).
 
 
strcat(dest=0x7fff82e79285, src=0x7fff82e79289, bytes=21) overlap for employee(30842)
        ??:0    strcpy()
        ??:0    strcpy()
        ??:0    strcat()
        employee.c:26   main()
        ??:0    __libc_start_main()

kosaki

 44.43%  ebizzy  ebizzy             [.] memcpy                                                               
 30.67%  ebizzy  [kernel.kallsyms]  [k] default_send_IPI_mask_allbutself_phys                              a
 12.52%  ebizzy  [kernel.kallsyms]  [k] _raw_spin_unlock_irqrestore                                        a
  6.11%  ebizzy  [kernel.kallsyms]  [k] smp_call_function_many                                             a
  0.87%  ebizzy  [kernel.kallsyms]  [k] __do_softirq                                                       a
  0.57%  ebizzy  [kernel.kallsyms]  [k] lazyfree_range                                                     a
  0.52%  ebizzy  [kernel.kallsyms]  [k] deactivate_page                                                    a
  0.45%  ebizzy  ebizzy             [.] write_pattern                                                      a
  0.36%  ebizzy  [kernel.kallsyms]  [k] release_pages                                                      a
  0.28%  ebizzy  [kernel.kallsyms]  [k] de

kosaki

# Running tests:

[ 3315/13696] TestConst#test_redefinition = 10.04 s                             
  1) Error:
TestConst#test_redefinition:
Timeout::Error: execution of assert_no_memory_leak expired
    /home/kosaki/ruby/git/test/ruby/test_const.rb:64:in `test_redefinition'

[ 4015/13696] TestException#test_machine_stackoverflow_by_define_method         
  2) Failure:

kosaki

% gcc readstat.c -g -Wall; ./a.out
cpu[0].iowait     : 544257 -> 544256 : 429496729500.000000 0.000000
cpu[2].iowait     : 123875 -> 123874 : 429496729500.000000 0.000000
cpu[0].iowait     : 544268 -> 544267 : 429496729500.000000 0.000000
cpu[2].iowait     : 123882 -> 123881 : 429496729500.000000 0.000000
cpu[0].iowait     : 544275 -> 544274 : 429496729500.000000 0.000000
cpu[2].iowait     : 123884 -> 123882 : 429496729400.000000 0.000000
cpu[0].iowait     : 544281 -> 544279 : 429496729400.000000 0.000000
cpu[2].iowait     : 123885 -> 123883 : 429496729400.000000 0.000000
cpu[0].iowait     : 544288 -> 544287 : 429496729500.000000 0.000000

kosaki

;; flymake
(require 'flymake)
(require 'flymake-cursor)

;; for C
(add-hook 'c-mode-hook
	  '(lambda ()
	     (flymake-mode t)))

;; Use <topdir>/build/Makefile if exist (for ruby)

kosaki

#include <Xm/XmAll.h>

void main(int argc, char *argv[])
{
    Widget toplevel, main_w, button;
    XtAppContext app;

    XtSetLanguageProc(NULL, NULL, NULL);

    toplevel = XtVaAppInitialize(&app, "main", NULL, 0,

kosaki

start: 0 0
uid: 0 0
uid: 0 0
ret: 1000 1000
uid: 1000 1000
uid: 1000 1000
uid: 1000 1000
uid: 1000 1000
uid: 1000 1000
uid: 1000 1000

kosaki

#!/usr/bin/ruby

# usage: rpmpatch specfile [--localname name] files...
# example: rpmpatch kernel.spec --localname .mytest ../SOURCES/00*


require "optparse"

localname = nil