[Devel] Re: [patch 7/8] allow unprivileged mounts

[Jan Engelhardt]

On Apr 21 2007 08:10, Eric W. Biederman wrote:
>>
>>> Define a new fs flag FS_SAFE, which denotes, that unprivileged
>>> mounting of this filesystem may not constitute a security problem.
>>> 
>>> Since most filesystems haven't been designed with unprivileged
>>> mounting in mind, a thorough audit is needed before setting this flag.
>>
>> Practically speaking, is there any realistic likelihood that any filesystem
>> apart from FUSE will ever use this?
>
>Also potentially some of the kernel virtual filesystems.  /proc should
>be safe already.  If you don't have any kind of backing store this problem
>gets easier.

tmpfs!


Jan
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