Windows error 0x00000061, 97

Buffer overflow flows backwards?

Im reading the book "Hacking: The Art of Exploitation" and I came across a part of the book where it shows a supposed protection against buffer overflow vulnerabilities by rearranging variables in memory. I tried this and the program is still vulnerable to buffer overflows. Here is the code: #include [...] read more

"key is not on keyboard" with Windows server and Mac client

I am using synergy to share my mouse and keyboard from a Windows 7 x64 server to a Mac OSX Mavericks client. Both machines are using the latest (1.4.17) version as of today. I can connect fine, the mouse works, and the numpad works. However, pressing a normal key (for [...] read more

wxPython crashes with Segmentation fault

I'm confused to why my application crashes with Segmentation fault. I have a python app using wxPython for front end. My application crashes randomly with segmentation fault and I know it has to be wxPython because I have a console version of the same code and it doesn't crash. The [...] read more

Windows 7 crashes with STOP 0x101 ("A clock interrupt was not received..") every time the laptop tries to sleep

I have an HP Compaq nc8430 with a new install of Windows 7 (32 bit). Every time I sleep the laptop, it crashes. It also crashes sometimes just during normal use. It does hibernate properly. The only reliable trigger I've found to crash it is sleep mode. It's not overclocked, [...] read more

Explain if any memory leak associated with oleaut32!APP_DATA::AllocCachedMem and ntdll!RtlAllocateHeap in windbg stack trace which appears repeatedly

I am trying to identify memory leak in a process(C++ Application) I am using Windbg tool to identify the memory leak. 0:000> !heap -stat -h 02e10000 heap @ 02e10000 group-by: TOTSIZE max-display: 20 size #blocks total ( %) (percent of total busy bytes) 40 95857 - 25615c0 (60.70) 953130 1 [...] read more

Disable .rodata indirection for local constants

When i have local data defined inside a function, it gets placed into .rodata section. This means that .text section will contain relative reference (//1) to an absolute address (//2) inside the .text, which in turn points to the data (//3) inside .rodata. int function() { int a[] = {97, [...] read more

Failed to create assembly 'System.ServiceModel.Internals' in SQL

I am trying to create an assembly in SQL but I am not able to load the following DLL. System.ServiceModel.Internals create assembly [system.servicemodel.internals] from 'C:\Windows\Microsoft.NET\Framework64\v4.0.30319\System.ServiceModel.Internals.dll' with permission_set = safe; go I get this error: > Msg 6218, Level 16, State 2, Line 2 CREATE ASSEMBLY for assembly > 'System.ServiceModel.Internals' failed [...] read more

How do I get characters from EditText?

I want to get the String from an EditText and then read individual characters from it. I've tried the following code: String PT = pt.getText().toString(); int len = PT.length(); char chars[] = PT.toCharArray(); for(int i=0;i<len;i++) { Toast.makeText(encrypt.this,chars[i], 0).show(); } However I get a Force Close error on this. Where am [...] read more

Solaris mdb debugger doesn't show correct stack info

I am analysing a core dump of a process under SPARC Solaris. mdb doesn't show functions in the stack correctly. Why could that be? No optimization compiler flags are used to build the process. -------------------------------------------------------------------------------- An update SPARC keeps return addresses in %i7 and %o7 registers. Code that doesn't manipulate [...] read more

STM32 blinky example does not work

Here is a "simplified blinky" example from MikroC meant to toggle the user LED at a rate that is visible to the naked eye: void main() { GPIO_Clk_Enable(&GPIOA_BASE); GPIO_Digital_Output(&GPIOA_BASE, _GPIO_PINMASK_5); GPIOA_ODR |= (1<<_GPIO_PIN_5); while(1) { GPIOA_ODR ^= (1<<_GPIO_PIN_5); Delay_ms(300); } } The expected result of this code is that the [...] read more

NACK/0x00000061/Invalid Scheduled Delivery Time error in Kannel

I have been trying to configure an SMS gateway service using Kannel and sqlbox. My system is successfully connected to the Airtel SMSC. But whenever I try to send SMS (Inserting data in send_sms table of course), I get this weird response from the SMSC > NACK/0x00000061/Invalid Scheduled Delivery Time [...] read more

C: Memory error while running program

I'm trying to write a program that accepts strings (these are given) and then stores them according to their length in another array. After this, the program prints out the amount of the word who have that length. I tried to create this using this code: #include <stdlib.h> #include <stdio.h> [...] read more

LDRB r3, [r0] not loading the first byte into r3

r0 = 0x00000090 string in r0 in Memory view shows - and the man said they must go LDRB r3, [r0] After this if i check r3 = 0x00000061 in Memory it shows Q...S I am using Keil to run this ARM7 big endian assembly. LDRB is supposed to load [...] read more

What is the space between [ELF Header] and [data segment]?

I compiled very very simple assembly code with nasm and ld under Linux (CentOS6 32bit). nasm -f elf -o basic1.o basic1.asm ld -o basic1 basic1.o cat basic1.asm ;--------------------------------------- section .data msg db 'hello world', 10, 00 section .bss tests resd 100 segment .text global _start _start: And, I execute the [...] read more

How do I use these PostMessage Lparam and Wparam's?

I'm really struggling to understand how PostMessage works. I'm from a web dev background so its all very foreign to me. I'm trying to send a single "a" charcter to a third party application. I've used spy++ to get the PostMessage (params below) required but I cant make sense of [...] read more

MIPS assembly printing element of an array

.globl main .data array: .asciiz "a" .align 5 .asciiz "b" .align 5 .asciiz "c" .text main: # Loads address of array into $a0 la $t0, array # Loads a[0] lw $a0, 0($t0) # Sets to print string li $v0, 4 #prints the string syscall The above MIPS assembly code is [...] read more

Why is value getting overwritten?

First, sorry, I know this is long and people might not read it all, but I think it needs a very detailed explanation. I'm trying to get long file names working on Chan Fat File on a Cortex M4 with FreeRTOS. I've got a weird thing going on where, for [...] read more

How can I programmatically move to center EditText?

How can I programmatically move the Password to the center using .AddRule (RelativeLayout.CENTER_VERTICAL);? enter image description here [https://i.stack.imgur.com/1em3p.png] LinearLayout PO = (LinearLayout)RV .findViewById(R.id.LL1); EditText ET = new EditText(getActivity()); ET.setId(1); ET.setHint("Your name"); ET.setInputType(0x00000061); ET.setLayoutParams(new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.FILL_PARENT, RelativeLayout.LayoutParams.WRAP_CONTENT)); ET.setPadding(40,20,40,20); ET.setGravity(Gravity.CENTER_VERTICAL | Gravity.CENTER_HORIZONTAL); //ET.addRule(RelativeLayout.CENTER_VERTICAL); PO.addView(ET); .addRule lit. read more

Undefined variable when initialized in switch statement?

The question itself begs an obvious answer. In any case, here's a snippet of my code... switch(cSet)... case 8:{ //Special Characters finalSet = special; char* charSet = new char[special.size() + 1]; charSet[special.size()] = 0; //Append null terminator memcpy(charSet, special.c_str(), special.size()); break; } case 9:{ //Alphnumeric and Special character finalSet = [...] read more

What is stuff beyond .data section in Assembly?

I'm trying to understand how exactly assembly code lay out to memory space. I wrote a simple assembly code which contains just a few lines of instruction and .data section. When I inspected it with GDB, I saw more stuff beyond data section which I couldn't see with objdump -section-header [...] read more

Sending WM_KEYUP message to a window gives an OverflowException

I am trying to implement a program that sends the same messages to a window that would be sent if a certain key is continuously pressed. This is part of the code (entire Form1.cs code is here ) for the application: [DllImport("User32.dll")] static extern int SendMessage(IntPtr hWnd, uint wMsg, UIntPtr [...] read more