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How to monitor number of syscalls executed by kernel?

How to Monitor the Number of Syscalls Executed by the Kernel In modern operating systems system calls syscalls serve as the primary mechanism for user level app

3 min read 08-10-2024 30
How to monitor number of syscalls executed by kernel?
How to monitor number of syscalls executed by kernel?

Hook ZwDeviceIoControlFile with patchguard enabled on Win 10 x64

Hooking Zw Device Io Control File with Patch Guard Enabled A Deep Dive The Challenge Bypassing Patch Guard for Driver Level Manipulation Patch Guard a security

3 min read 07-10-2024 48
Hook ZwDeviceIoControlFile with patchguard enabled on Win 10 x64
Hook ZwDeviceIoControlFile with patchguard enabled on Win 10 x64

How to decide the compiler version while cross compiling linux kernel for arm

Navigating the Maze of Compiler Versions for Cross Compiling Linux Kernel for ARM Cross compiling a Linux kernel for ARM architecture can be a daunting task and

2 min read 06-10-2024 54
How to decide the compiler version while cross compiling linux kernel for arm
How to decide the compiler version while cross compiling linux kernel for arm

kernel keeps dying in jupyter notebook

Why Your Jupyter Notebook Kernel Keeps Dying Troubleshooting and Solutions Jupyter Notebooks are a powerful tool for data scientists and programmers offering an

3 min read 06-10-2024 51
kernel keeps dying in jupyter notebook
kernel keeps dying in jupyter notebook

Terminology for different types of Qualcomm DSPs

Demystifying Qualcomm DSPs A Comprehensive Guide to Terminology Qualcomms Digital Signal Processors DSPs are essential components in a wide range of devices fro

2 min read 06-10-2024 52
Terminology for different types of Qualcomm DSPs
Terminology for different types of Qualcomm DSPs

Where is SYSCALL() implemented in Linux?

Unveiling the Mystery Where Does syscall Live in the Linux Kernel Have you ever wondered how your programs interact with the kernel The answer lies within a pow

2 min read 05-10-2024 47
Where is SYSCALL() implemented in Linux?
Where is SYSCALL() implemented in Linux?

Is it possible to binary patch an uncritical compare instruction of /boot/vmlinuz and make it run as normal?

Binary Patching the Linux Kernel Can You Modify Compare Instructions in boot vmlinuz When it comes to working with Linux kernels you may wonder about the possib

2 min read 24-09-2024 60
Is it possible to binary patch an uncritical compare instruction of /boot/vmlinuz and make it run as normal?
Is it possible to binary patch an uncritical compare instruction of /boot/vmlinuz and make it run as normal?

How can I write a kernel mode driver in C to manipulate inputs from a Dualshock4 controller?

Writing a Kernel Mode Driver in C for Dual Shock 4 Controller Input Manipulation Are you looking to create a kernel mode driver in C that can manipulate inputs

3 min read 24-09-2024 49
How can I write a kernel mode driver in C to manipulate inputs from a Dualshock4 controller?
How can I write a kernel mode driver in C to manipulate inputs from a Dualshock4 controller?

Jupyter notebook kernel crashes when importing xarray

Jupyter Notebook Kernel Crashes When Importing Xarray Causes and Solutions Jupyter Notebooks are powerful tools for data analysis visualization and machine lear

3 min read 24-09-2024 62
Jupyter notebook kernel crashes when importing xarray
Jupyter notebook kernel crashes when importing xarray

How can I update running(activated) system extension in mac?

How to Update an Active System Extension on mac OS A Comprehensive Guide When using mac OS you might encounter system extensions that enhance the operating syst

3 min read 23-09-2024 56
How can I update running(activated) system extension in mac?
How can I update running(activated) system extension in mac?

C# AccessViolationException keyboard hooking

Understanding C Access Violation Exception in Keyboard Hooking When working with keyboard hooking in C developers may encounter an Access Violation Exception Th

3 min read 22-09-2024 56
C# AccessViolationException keyboard hooking
C# AccessViolationException keyboard hooking

running executable from within windows kernel driver memory

Running an Executable from Within a Windows Kernel Driver Memory In the realm of Windows kernel development the idea of running an executable from within kernel

2 min read 22-09-2024 50
running executable from within windows kernel driver memory
running executable from within windows kernel driver memory

QEMU VESA drawing pixels in 24bpp mode

Drawing Pixels with QEMU in VESA 24bpp Mode A Comprehensive Guide In the world of emulation and graphics programming utilizing QEMU with VESA graphics can be bo

3 min read 20-09-2024 62
QEMU VESA drawing pixels in 24bpp mode
QEMU VESA drawing pixels in 24bpp mode

KLEE_RUN_TEST_ERROR: object name mismatch. Requesting "output_port" but returning "user_buf"

Understanding KLEE RUN TEST ERROR Object Name Mismatch When working with KLEE a powerful symbolic execution engine for C programs developers may encounter an er

2 min read 20-09-2024 65
KLEE_RUN_TEST_ERROR: object name mismatch. Requesting "output_port" but returning "user_buf"
KLEE_RUN_TEST_ERROR: object name mismatch. Requesting "output_port" but returning "user_buf"

How to detect open file path within Linux module using kprobes properly?

How to Detect Open File Path within a Linux Module Using Kprobes Detecting file paths being accessed within a Linux environment can be crucial for system monito

2 min read 17-09-2024 60
How to detect open file path within Linux module using kprobes properly?
How to detect open file path within Linux module using kprobes properly?

CFLAFGS filtering out -Wformat -Werror=format-security -fstack-protector -D_FORTIFY_SOURCE=1

Understanding CFLAFGS Filtering Compiler Flags for Enhanced Security Compiler flags are crucial for ensuring that your code compiles efficiently while adhering

2 min read 16-09-2024 42
CFLAFGS filtering out -Wformat -Werror=format-security -fstack-protector -D_FORTIFY_SOURCE=1
CFLAFGS filtering out -Wformat -Werror=format-security -fstack-protector -D_FORTIFY_SOURCE=1

How to read information stored in /sys from kernel space

How to Read Information Stored in sys from Kernel Space In Linux the sys filesystem serves as an interface to kernel parameters and information providing a stru

2 min read 16-09-2024 52
How to read information stored in /sys from kernel space
How to read information stored in /sys from kernel space

Native API Processor information

Understanding Native API Processor Information In the realm of software development particularly in systems programming understanding how to interact with APIs

2 min read 16-09-2024 49
Native API Processor information
Native API Processor information

_xsaveopt64 Usage in Kernel-Mode

Understanding xsaveopt64 Usage in Kernel Mode In modern operating systems efficient context switching and state management is critical for maintaining performan

2 min read 15-09-2024 51
_xsaveopt64 Usage in Kernel-Mode
_xsaveopt64 Usage in Kernel-Mode

why dma_mapping_error return true in my program?

Understanding DMA Mapping Errors in Your Program When working with Direct Memory Access DMA in your programs you may encounter the dma mapping error function re

2 min read 15-09-2024 58
why dma_mapping_error return true in my program?
why dma_mapping_error return true in my program?

Page fault directly after setting PG bit in CR0

Understanding Page Faults After Setting the PG Bit in CR 0 In the world of computer architecture especially within the context of x86 architecture dealing with

2 min read 15-09-2024 48
Page fault directly after setting PG bit in CR0
Page fault directly after setting PG bit in CR0

linux kernel module use ftrace hook syscall infinity loop

Understanding the Use of ftrace in Linux Kernel Module to Hook Syscalls in Infinite Loops The Linux kernel provides a powerful framework for tracing system call

2 min read 14-09-2024 55
linux kernel module use ftrace hook syscall infinity loop
linux kernel module use ftrace hook syscall infinity loop

collect signals pending in the kernel driver

Understanding How to Collect Signals Pending in a Kernel Driver In the world of kernel development handling signals can be quite a challenge Signals are a mecha

2 min read 14-09-2024 60
collect signals pending in the kernel driver
collect signals pending in the kernel driver

Running cells with 'Python 3.8.13' requires the ipykernel package in Google Cloud Editor

Running Cells with Python 3 8 13 Requires the ipykernel Package in Google Cloud Editor If you re working with Jupyter notebooks in Google Cloud Editor and tryin

2 min read 14-09-2024 77
Running cells with 'Python 3.8.13' requires the ipykernel package in Google Cloud Editor
Running cells with 'Python 3.8.13' requires the ipykernel package in Google Cloud Editor

Memory access error when disassembling entrypoint

Decoding the Memory Access Error during Disassembly A Deep Dive Have you ever encountered the frustrating Memory Access Error while disassembling an entry point

3 min read 13-09-2024 45
Memory access error when disassembling entrypoint
Memory access error when disassembling entrypoint