Re: RANDSTRUCT structs need linux/compiler_types.h (Was: [nfsd4] potentially hardware breaking regression in 4.14-rc and 4.13.11)

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On Wed, Feb 21, 2018 at 4:22 PM, Linus Torvalds
<torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Wed, Feb 21, 2018 at 4:12 PM, Kees Cook <keescook@xxxxxxxxxxxx> wrote:
>>
>> Do you want me to send the patch for this, or do you already have it
>> prepared?
>
> I'd rather get something explicitly tested. I tried my earlier patch
> with "make allmodconfig" (and a fix to nfsd to make it compile), but
> now I'm back to testing hjl's gas updates so it would be better to get
> a tested commit with a good commit message.
>
>> The body-fields I had prepared for the nfs were:
>>
>> Reported-by: Patrick McLean <chutzpah@xxxxxxxxxx>
>> Reported-by: Maciej S. Szmigiero <mail@xxxxxxxxxxxxxxxxxxxxx>
>
> Oh, I think Maciej needs to get more than a "Reported-by:". This was a
> really subtle thing that we didn't figure out in the original thread,
> so give him a gold star in the form of "Root-caused-by:" or something.

Oops, I just sent this out. I will adjust a re-send. I couldn't find a
documented field name for this...

> *Fixing* this ends up being a one-liner or so. Finding the cause was
> the painful part.

Yes indeed!

-Kees

-- 
Kees Cook
Pixel Security
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