Re: [PATCH v2] Yama: verify inode is symlink to avoid bind mounts

[James Morris]

On Tue, 13 Jul 2010, Kees Cook wrote:

> The inode_follow_link LSM hook is called in bind mount situations as
> well as for symlink situations, so we must explicitly check for the
> inode being a symlink to not reject bind mounts in 1777 directories,
> which seems to be a common NFSv4 configuration.
> 
> Signed-off-by: Kees Cook <kees.cook@xxxxxxxxxxxxx>
> ---
> v2:
>  - actually set inode in time to use it.  *face palm*

Applied to
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6#next


-- 
James Morris
<jmorris@xxxxxxxxx>
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