Re: [PATCH 3/8] seccomp: Introduce SECCOMP_PIN_ARCHITECTURE

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On Wed, Jun 17, 2020 at 5:30 PM Andy Lutomirski <luto@xxxxxxxxxx> wrote:
>
> On Wed, Jun 17, 2020 at 8:25 AM Jann Horn <jannh@xxxxxxxxxx> wrote:
> >
> > On Tue, Jun 16, 2020 at 9:49 AM Kees Cook <keescook@xxxxxxxxxxxx> wrote:
> > > For systems that provide multiple syscall maps based on architectures
> > > (e.g. AUDIT_ARCH_X86_64 and AUDIT_ARCH_I386 via CONFIG_COMPAT), allow
> > > a fast way to pin the process to a specific syscall mapping, instead of
> > > needing to generate all filters with an architecture check as the first
> > > filter action.
> >
> > This seems reasonable; but can we maybe also add X86-specific handling
> > for that X32 mess? AFAIK there are four ways to do syscalls with
> > AUDIT_ARCH_X86_64:
>
> You're out of date :)  I fixed the mess.
>
> commit 6365b842aae4490ebfafadfc6bb27a6d3cc54757
> Author: Andy Lutomirski <luto@xxxxxxxxxx>
> Date:   Wed Jul 3 13:34:04 2019 -0700
>
>     x86/syscalls: Split the x32 syscalls into their own table

Oooooh, beautiful. Thank you very much for that.
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