Re: [PATCH 24/24] debugfs: Restrict debugfs when the kernel is locked down

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Eric W. Biederman <ebiederm@xxxxxxxxxxxx> wrote:

> Why is mounting debugfs allowed at all?  Last I checked (it has been a while)
> the code quality of debugfs was fine for debugging but debugfs was not
> safe to mount on a production system.
> 
> Maybe the code quality is better now but for a filesystem that is
> not supposed to be needed for developers letting us mount debugfs
> seems odd.

I agree.  But debugfs has been abused and it seems that there are some things
that use it as an interface between a kernel driver and the userspace side.

David
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