2012-08-10 09:14:46

by James Morris

[permalink] [raw]
Subject: Re: [PATCH 2/3] vsyscall_64: allow SECCOMP_RET_TRACErs to skip

On Sat, 14 Jul 2012, Will Drewry wrote:

> Agreed :) I don't mind making tweaks to get it right, but this only
> matters to users that want to:
> - use seccomp filter
> - with ptrace (or trap with resumption and not sigreturn)
> - of time, gettimeofday, and getcpu
> since they will then have to include quirk management _just_ in case
> their code is linked against something using vsyscall and
> vsyscall=emulate is in effect!

I think these patches came out during the merge window -- is there any
further discussion on them?


- James
--
James Morris
<[email protected]>


2012-08-13 18:17:42

by Andrew Lutomirski

[permalink] [raw]
Subject: Re: [PATCH 2/3] vsyscall_64: allow SECCOMP_RET_TRACErs to skip

On Fri, Aug 10, 2012 at 2:14 AM, James Morris <[email protected]> wrote:
> On Sat, 14 Jul 2012, Will Drewry wrote:
>
>> Agreed :) I don't mind making tweaks to get it right, but this only
>> matters to users that want to:
>> - use seccomp filter
>> - with ptrace (or trap with resumption and not sigreturn)
>> - of time, gettimeofday, and getcpu
>> since they will then have to include quirk management _just_ in case
>> their code is linked against something using vsyscall and
>> vsyscall=emulate is in effect!
>
> I think these patches came out during the merge window -- is there any
> further discussion on them?

The patch I sent on Aug 1 is the latest version. I don't think
there's been any further discussion -- everyone seems reasonably happy
with that version.

--Andy

>
>
> - James
> --
> James Morris
> <[email protected]>