I'm updating the driver of one of my devices and would like to kextunload the old driver and kextload the new one so a restart isn't required anymore. After the installation I try: sudo kextunloa...

Unable to validate your application. We are unable to create an authentication session MacOS notarization on command line returning 'unsupported url' when getting status xcrun altool --no...

I have seen that some applications are able to represent themselves as external disks within Finder on MacOS. Typically, these are cloud storage applications such as PCloud Drive and WD Discovery. ...

I built a codeless DEXT to replace a working codeless KEXT - Migrating a codeless KEXT to a codeless DEXT. I referenced a few sites and GitHub repositories to put it together and had help from othe...

I am migrating a codeless KEXT to a codeless DEXT. I have watched the WWDC video and read much of the information on the Apple Developer site. The difficulty I am having is finding not what to do b...

I'm trying to migrate from KEXT to DEXT. My USB device should not be matched by the classic driver (in the other case, it does not allow to open the device and interface). I am using a sample USB ...

I'm trying to uninstall Parallels completely from macOS High Sierra. I removed everything from the disk except some Parallels extensions that are stored under /Library/StagedExtensions/Par...

I am working on migrating a codeless KEXT to DriverKit. It is used to disable the IOKit HID driver for USB devices that present themselves as HID compliant in firmware upgrade mode. So far I have ...

As some kinds of MacOS developers know, Apple implemented Secure Kernel Extension Loading . Users can approve third party KEXT by clicking Approve button in Security and Privacy. However, once the...

The issue is when getting the notarization status after uploading a request It's like this, I've got an older kernel extension, with the latest mac update notarizing it will be required and I'm tr...

In a machine where my product was installed before, a second installation fails, due to kext signature rejection. I have seen in some places the same error, for example here: https://support.eset...

Im developing a VPN app, i was looking for to route App specific packets from the default en0 interface. I was wondering can I achieve this by using NKE? Let say all data from Safari goes through ...

So, I want to write a virtual monitor driver for mac. This is something similar to what screen recycler app does. I've been reading so many resources about driver programming and kext in general an...

I'm trying to get the drivers on OSX Sierra running. But no result. My research got me to the following sites: https://github.com/adrianmihalko/ch340g-ch34g-ch34x-mac-os-x-driver https://tza...

I've implemented a drag-and-drop function in my application. The app let's you open .kext files. I've used -(void)application:openFiles: as well as having set the Document Types: All works well,...

I had a code signing on kext in Yosemite. But kextload is failed. It was version2 codesign. codesign --verify is true. But kextload is failed. Why not load in Yosemite? Here is my log. I have che...

I have a working OSX kernel extension which I would like to be automatically loaded at boot time as early as possible. The kext is using KAUTH for monitoring access on a specific path so it seems t...

I've a C++ program and I would like to quantify it's performance by checking the number of hits and misses against the CPU cache. What's the best way to do it? I tried using Intel's Performance ...

I'm working on a project in which I have to hook 80%-90% of the system call functions on OSX (10.10.5). I'm doing this from a kernel extension. Since I have to (un)hook many functions, I want to st...

I want to know how can I symbolicate a kernel panic report (not a regular app crash report). I have an OSX app that a user claims caused a kernel panic. It doesn't install any kernel extension but ...

Downloaded VirtualBox 4.3.6 and after attempting to install in Mavericks (OSX 10.9.1) I get a generic error "The installation failed". Going through the logs and after running the uninstall tool ...

I want to be able to force a socket through a specific network interface. In Linux the kernel allows a programmer to achieve this by setting said socket option - but in OS X I'm in the dark. And h...

We have a audio kernel extension, which installs in /Library/Extensions. According apple new guidelines(WWDC video 707) we should code sign kext which installs /Library/Extensions. We requested app...

Seeing an odd issue that's not happening on two other workstations. After a recent reinstall of Yosemite with Xcode and the command line tools, I've found that my /usr/include is not present on thi...

Goal: to sign my own packages, and my own kernel extensions. "My own" in the context means "that I wrote, or that I picked elsewhere, recompiled myself from their sources, and want to install on my...