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Message-ID: <CA+55aFxyvr-PVWaOe_PGjej4gGMdfF_Moq0a3A9xZ6gGWAQjbQ@mail.gmail.com>
Date: Wed, 21 Feb 2018 16:22:06 -0800
From: Linus Torvalds <torvalds@...ux-foundation.org>
To: Kees Cook <keescook@...omium.org>
Cc: "Maciej S. Szmigiero" <mail@...iej.szmigiero.name>, Patrick McLean <chutzpah@...too.org>,
Emese Revfy <re.emese@...il.com>, Al Viro <viro@...iv.linux.org.uk>,
Bruce Fields <bfields@...hat.com>, "Darrick J. Wong" <darrick.wong@...cle.com>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linux NFS Mailing List <linux-nfs@...r.kernel.org>, Thorsten Leemhuis <regressions@...mhuis.info>,
"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>
Subject: Re: RANDSTRUCT structs need linux/compiler_types.h (Was: [nfsd4]
potentially hardware breaking regression in 4.14-rc and 4.13.11)
On Wed, Feb 21, 2018 at 4:12 PM, Kees Cook <keescook@...omium.org> 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@...too.org>
> Reported-by: Maciej S. Szmigiero <mail@...iej.szmigiero.name>
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.
*Fixing* this ends up being a one-liner or so. Finding the cause was
the painful part.
Linus
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