From: Kees Cook <keescook@chromium.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Alexander Popov <alex.popov@linux.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Ingo Molnar <mingo@kernel.org>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Thomas Gleixner <tglx@linutronix.de>,
Tycho Andersen <tycho@tycho.ws>,
Mark Rutland <mark.rutland@arm.com>,
Laura Abbott <labbott@redhat.com>,
Will Deacon <will.deacon@arm.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
linux-crypto <linux-crypto@vger.kernel.org>
Subject: Re: [GIT PULL] gcc-plugin updates for v4.19-rc1
Date: Wed, 15 Aug 2018 13:56:33 -0700 [thread overview]
Message-ID: <CAGXu5j+Yv9Bu4mJPOfkpxrom91kSKaUESHR-Tn1CAJCTTZy_8w@mail.gmail.com> (raw)
In-Reply-To: <CA+55aFy6jNLsywVYdGp83AMrXBo_P-pkjkphPGrO=82SPKCpLQ@mail.gmail.com>
On Wed, Aug 15, 2018 at 1:18 PM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
> I absolutely refuse to take any hardening patches at all that have
> BUG() or panic() or similar machine-killing in it.
Okay, mental model adjusted. :) It was only "strong discouraged" until now.
> I thought VLA's were mostly gone.
Yes. Out of the ~115 instances we counted when we started with v4.16,
we've chipped away at them pretty steadily. Right now there are two
"one-off"s that haven't been picked up by maintainers:
https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git/log/?h=vla/leftovers
and the remaining series against crypto, for which I am waiting on
further review for Herbert. All the really odd-ball crypto cases have
been handled (and are up for the merge window for v4.19), but there's
still some minor changes that Herbert is examining:
https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git/log/?h=vla/crypto
And after that, there's a single patch to move -Wvla up into the
top-level Makefile:
https://patchwork.kernel.org/patch/10489873/
So, we're basically done, but the timing with the merge window wasn't
great since crypto continues to get tweaked and has taken much longer
than I had expected.
-Kees
--
Kees Cook
Pixel Security
next prev parent reply other threads:[~2018-08-15 20:56 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-13 21:43 Kees Cook
2018-08-15 16:41 ` Linus Torvalds
2018-08-15 18:35 ` Kees Cook
2018-08-15 19:04 ` Linus Torvalds
2018-08-15 19:43 ` Alexander Popov
2018-08-15 19:45 ` Kees Cook
2018-08-15 20:18 ` Linus Torvalds
2018-08-15 20:56 ` Kees Cook [this message]
2018-08-15 21:18 ` Alexander Popov
2018-08-15 21:33 ` Linus Torvalds
2018-08-16 22:18 ` Alexander Popov
2018-08-16 9:51 ` David Laight
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