Re: [Linux-kernel-mentees] [PATCH v3] media/v4l2-core: Fix kernel-infoleak in video_put_user()

From: Linus Walleij
Date: Tue Jul 28 2020 - 08:22:45 EST

On Mon, Jul 27, 2020 at 3:17 PM Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:

> Here are my latest warnings on linux-next from Friday.

Thanks for sharing this Dan, very interesting findings.

> drivers/gpio/gpiolib-cdev.c:473 lineevent_read() warn: check that 'ge' doesn't leak information (struct has a hole after 'id')

We are revamping the ABI for 64bit compatibility so we are now running
pahole on our stuff. I suppose we need to think about mending this old ABI
as well.

Linus Walleij