Re: [PATCH 1/2] module: add syscall to load module from fd

[Rusty Russell]

Kees Cook <keescook@xxxxxxxxxxxx> writes:
> On Fri, Sep 7, 2012 at 10:12 AM, Mimi Zohar <zohar@xxxxxxxxxxxxxxxxxx> wrote:
>> This method is a consistent and extensible approach to verifying the
>> integrity of file data/metadata, including kernel modules. The only
>> downside to this approach, I think, is that it requires changes to the
>> userspace tool.
>
> I'm fine with this -- it's an expected change that I'll pursue with
> glibc, kmod, etc. Without the userspace changes, nothing will use the
> new syscall. :) I've already got kmod (and older module-init-tools)
> patched to do this locally.

A syscall is the right way to do this.  But does it need to be done?

1) Do the LSM guys really want this hook?
2) Do we have a userspace which uses it?

If yes to both, and noone comes up with any creative complaints, I will
take the patch.

Cheers,
Rusty.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/