Re: [PATCH v2 1/2] drm: Add GPU reset sysfs event

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On Wednesday, March 9th, 2022 at 11:24, Christian König <ckoenig.leichtzumerken@xxxxxxxxx> wrote:

> Am 09.03.22 um 11:10 schrieb Simon Ser:
> > On Wednesday, March 9th, 2022 at 10:56, Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@xxxxxxx> wrote:
> >
> >> Would it be possible to include the app parameters as well?
> > Can all processes read sysfs events?
>
> No, but application parameters are usually not secret.

It's a bad practice, yes. But people still do it.

> > There might be security implications here. The app parameters might
> > contain sensitive information, like passwords or tokens.
>
> It's a well known security vulnerably to provide password etc.. as
> application parameter since everybody can read them through procfs.

I was thinking mostly about Flatpak apps here. Flatpak apps are running
in a process namespace so they can't query the CLI parameters of PIDs
outside of the namespace. But they might still receive sysfs uevents.




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