Re: [PATCH v3 5/8] fs: use new capable_any functionality

From: Christian Göttsche
Date: Tue Jun 28 2022 - 10:11:26 EST


On Tue, 28 Jun 2022 at 14:57, Christian Brauner <brauner@xxxxxxxxxx> wrote:
>
> On Wed, Jun 15, 2022 at 05:26:19PM +0200, Christian Göttsche wrote:
> > Use the new added capable_any function in appropriate cases, where a
> > task is required to have any of two capabilities.
> >
> > Signed-off-by: Christian Göttsche <cgzones@xxxxxxxxxxxxxx>
> > ---
>
> Not seeing the whole patch series so it's a bit difficult to judge but
> in general we've needed something like this for quite some time.

Full patch series:
https://patchwork.kernel.org/project/selinux/list/?series=650662
or
https://lore.kernel.org/lkml/20220615152623.311223-8-cgzones@xxxxxxxxxxxxxx/

> > v3:
> > rename to capable_any()
> > ---
> > fs/pipe.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/fs/pipe.c b/fs/pipe.c
> > index 74ae9fafd25a..18ab3baeec44 100644
> > --- a/fs/pipe.c
> > +++ b/fs/pipe.c
> > @@ -776,7 +776,7 @@ bool too_many_pipe_buffers_hard(unsigned long user_bufs)
> >
> > bool pipe_is_unprivileged_user(void)
> > {
> > - return !capable(CAP_SYS_RESOURCE) && !capable(CAP_SYS_ADMIN);
> > + return !capable_any(CAP_SYS_RESOURCE, CAP_SYS_ADMIN);
> > }
> >
> > struct pipe_inode_info *alloc_pipe_info(void)
> > --
> > 2.36.1
> >