linux-kernel - Re: [PATCH for-next/seccomp 0/3] Check ENOSYS under tracing

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Message-ID: <202007100910.79661A4@keescook>
Date:   Fri, 10 Jul 2020 09:11:03 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Will Deacon <will@...nel.org>
Cc:     Keno Fischer <keno@...iacomputing.com>,
        Andy Lutomirski <luto@...capital.net>,
        Will Drewry <wad@...omium.org>,
        Oleg Nesterov <oleg@...hat.com>, Shuah Khan <shuah@...nel.org>,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH for-next/seccomp 0/3] Check ENOSYS under tracing

On Fri, Jul 10, 2020 at 01:40:33PM +0100, Will Deacon wrote:
> On Sat, Jul 04, 2020 at 11:12:29PM -0700, Kees Cook wrote:
> > This expands the seccomp selftest to poke a architectural behavior corner
> > that Keno Fischer noticed[1]. In the process, I took the opportunity
> > to do the kselftest harness variant refactoring I'd been meaning to do,
> > which made adding this test much nicer.
> > 
> > I'd prefer this went via the seccomp tree, as it builds on top of the
> > other recent seccomp feature addition tests. Testing and reviews are
> > welcome! :)
> 
> Thanks! I tested these on arm64 (qemu) and they helped me to find a bug
> in some patches I was writing.

Hurray for tests! :)

> Tested-by: Will Deacon <will@...nel.org>

Thanks!

-- 
Kees Cook