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SubjectRe: [PATCH 2/3] [RFC] seccomp: give BPF x32 bit when restoring x32 filter
On 07/11/2014 09:23 AM, Eric Paris wrote:
>> You're not going to hear me ever say that I like how the x32 ABI was done, it
>> is a real mess from a seccomp filter point of view and we have to do some
>> nasty stuff in libseccomp to make it all work correctly (see my comments on
>> the libseccomp-devel list regarding my severe displeasure over x32), but
>> what's done is done.
>> I think it's too late to change the x32 seccomp filter ABI.
> So we have a security interface that is damn near impossible to get
> right. Perfect.
> I think this explains exactly why I support this idea. Make X32 look
> like everyone else and put these custom horrific hacks in seccomp if we
> are unwilling to 'do it right'
> Honestly, how many people are using seccomp on X32 and would be horribly
> pissed if we just fixed it?

The bigger issue is probably if we will open a problem with the older


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