Re: [PATCH v4 0/2] Syscall User Redirection

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Christian Brauner <christian.brauner@xxxxxxxxxx> writes:

> On Thu, Jul 16, 2020 at 01:25:43PM -0700, Kees Cook wrote:
>> On Thu, Jul 16, 2020 at 10:22:34PM +0200, Christian Brauner wrote:
>> > On Thu, Jul 16, 2020 at 01:04:38PM -0700, Kees Cook wrote:
>> > > On Thu, Jul 16, 2020 at 03:31:39PM -0400, Gabriel Krisman Bertazi wrote:
>> > > > This is v4 of Syscall User Redirection.  The implementation itself is
>> > > > not modified from v3, it only applies the latest round of reviews to the
>> > > > selftests.
>> > > > 
>> > > > __NR_syscalls is not really exported in header files other than
>> > > > asm-generic for every architecture, so it felt safer to optionally
>> > > > expose it with a fallback to a high value.
>> > > > 
>> > > > Also, I didn't expose tests for PR_GET as that is not currently
>> > > > implemented.  If possible, I'd have it supported by a future patchset,
>> > > > since it is not immediately necessary to support this feature.
>> > > 
>> > > Thanks! That all looks good to me.
>> > 
>> > Don't have any problem with this but did this ever get exposure on
>> > linux-api? This is the first time I see this pop up.
>> 
>> I thought I'd added it to CC in the past, but that might have been other
>> recent unrelated threads. Does this need a full repost there too, you
>> think?
>
> Nah, wasn't my intention to force a repost. Seems that several people
> have looked this over. :) Just curious why it didn't get to linux-api
> and we know quite some people who only do look at linux-api (for sanity). :)

That's my mistake.  I didn't think about it when submitting :(

If this get re-spinned again I will make sure to CC linux-api.

-- 
Gabriel Krisman Bertazi



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