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kernel probes shows wrong returned data

Understanding Kernel Probes Addressing Issues with Incorrect Returned Data Kernel probes kprobes are a powerful mechanism in the Linux kernel that allows develo

2 min read 30-09-2024 40
kernel probes shows wrong returned data
kernel probes shows wrong returned data

Cannot read syscall arguments from a kprobe handler

Understanding Kprobes and the Issue of Reading Syscall Arguments When working with Linux kernel probes known as kprobes developers often encounter challenges re

3 min read 19-09-2024 42
Cannot read syscall arguments from a kprobe handler
Cannot read syscall arguments from a kprobe handler

kretprobe handlers in kernel 3.x not getting called

Understanding Kretprobe Handlers in Kernel 3 x Not Getting Called Kernel probes commonly known as kprobes are a powerful debugging tool that allows developers t

3 min read 17-09-2024 44
kretprobe handlers in kernel 3.x not getting called
kretprobe handlers in kernel 3.x not getting called

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 61
How to detect open file path within Linux module using kprobes properly?
How to detect open file path within Linux module using kprobes properly?

how to get sys call params in krobe pre_handler in x86

Understanding How to Get Syscall Parameters in K Probe Pre Handler in x86 In the world of Linux kernel programming tracing system calls can provide invaluable i

3 min read 16-09-2024 57
how to get sys call params in krobe pre_handler in x86
how to get sys call params in krobe pre_handler in x86

What is the performance impact added to eBPF via kprobe and uprobe

The Performance Impact of e BPF via kprobes and uprobes Extended Berkeley Packet Filter e BPF has emerged as a powerful tool in the Linux kernel allowing for ef

3 min read 02-09-2024 62
What is the performance impact added to eBPF via kprobe and uprobe
What is the performance impact added to eBPF via kprobe and uprobe

Fail to hook argv of execve with kretprobe

Debugging a kretprobe Why Your Execve Hook Crashes and How to Fix It This article delves into a common problem encountered when using kretprobes in the Linux ke

3 min read 31-08-2024 40
Fail to hook argv of execve with kretprobe
Fail to hook argv of execve with kretprobe

kretprobe handler hooks show BUG: scheduling while atomic

Understanding the BUG scheduling while atomic with kretprobes and umount This article delves into a common problem faced by developers using kretprobes to hook

3 min read 31-08-2024 59
kretprobe handler hooks show BUG: scheduling while atomic
kretprobe handler hooks show BUG: scheduling while atomic