Andrew Morton wrote:
> On Fri, 20 Apr 2007 12:25:34 +0200 Miklos Szeredi <miklos@szeredi.hu> wrote:
> 
>> +static bool permit_umount(struct vfsmount *mnt, int flags)
>> +{
>>
>> ...
>>
>> +	return mnt->mnt_uid == current->uid;
>> +}
> 
> Yes, this seems very wrong.  I'd have thought that comparing user_struct*'s
> would get us a heck of a lot closer to being able to support aliasing of
> UIDs between different namespaces.
> 

Not to mention it should be fsuid, not uid.

	-hpa
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