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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20200710124033.GA30458@willie-the-truck>
Date:   Fri, 10 Jul 2020 13:40:33 +0100
From:   Will Deacon <will@...nel.org>
To:     Kees Cook <keescook@...omium.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 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.

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

Will