Re: [PATCH 01/11] fs: add O_BENEATH_ONLY flag to openat(2)

[Andi Kleen]

David Drysdale <drysdale@xxxxxxxxxx> writes:

> Add a new O_BENEATH_ONLY flag for openat(2) which restricts the
> provided path, rejecting (with -EACCES) paths that are not beneath
> the provided dfd.  In particular, reject:
>  - paths that contain .. components
>  - paths that begin with /
>  - symlinks that have paths as above.

How about bind mounts?

-Andi

-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only
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