[PATCH] security: new security_file_ioctl_compat() hook

[Paul Moore]

On Sun, Dec 24, 2023 at 3:00 PM Paul Moore <paul at paul-moore.com> wrote:
> On Sat, Dec 23, 2023 at 10:34 AM Eric Biggers <ebiggers at kernel.org> wrote:
> > On Fri, Dec 22, 2023 at 08:23:26PM -0500, Paul Moore wrote:
> > > Is it considered valid for a native 64-bit task to use 32-bit
> > > FS_IO32_XXX flags?
> >
> > No, that's not valid.
>
> Excellent, thank you.
>
> > > If not, do we want to remove the FS_IO32_XXX flag
> > > checks in selinux_file_ioctl()?
> >
> > I don't see any such flag checks in selinux_file_ioctl().
>
> Neither do I ... I'm not sure what I was looking at when I made that
> comment, I'm going to chalk that up to a bit of holiday fog.  Sorry
> for the noise.

Ah ha, I think I found the problem - the tools I use to pull in
patches for review seemed to have grabbed an old version of the patch
that *did* as the 32-bit ioctl commands to selinux_file_ioctl().

https://lore.kernel.org/selinux/20230906102557.3432236-1-alpic@google.com/

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