Re: [PATCH -v3 1/3] Capabilities: move cap_file_mmap to commoncap.c

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On Thu, 2009-07-30 at 00:14 -0500, Serge E. Hallyn wrote:
> Quoting Eric Paris (eparis@xxxxxxxxxx):
> > Currently we duplicate the mmap_min_addr test in cap_file_mmap and in
> > security_file_mmap if !CONFIG_SECURITY.  This patch moves cap_file_mmap
> > into commoncap.c and then calls that function directly from
> > security_file_mmap ifndef CONFIG_SECURITY like all of the other capability
> > checks are done.
> 
> It also
> 
> 	1. changes the return value in error case from -EACCES to
> 	   -EPERM
> 	2. no onger sets PF_SUPERPRIV in t->flags if the capability
> 	   is used.
> 
> Do we care about these?

Personally, not really, but I'll gladly put them back if you care.   #2
seems more interesting to me than number 1.   I actually kinda like
getting EPERM from caps rather than EACCES since them I know if I was
denied by selinux or by caps.....

-Eric


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