From: Kees Cook <keescook@chromium.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Hellwig <hch@lst.de>,
David Hildenbrand <david@redhat.com>,
Hari Bathini <hbathini@linux.ibm.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Logan Gunthorpe <logang@deltatee.com>,
Martin Oliveira <martin.oliveira@eideticom.com>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
Mike Kravetz <mike.kravetz@oracle.com>,
Minchan Kim <minchan@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Stephen Rothwell <sfr@canb.auug.org.au>, Zi Yan <ziy@nvidia.com>
Subject: Re: [GIT PULL] hardening fixes for v5.18-rc1
Date: Thu, 31 Mar 2022 12:00:15 -0700 [thread overview]
Message-ID: <202203311157.F7FA779@keescook> (raw)
In-Reply-To: <CAHk-=wjQ0+9jBy6bm850h1jms1tja8xnon4X5v0LSO4biLhFGg@mail.gmail.com>
On Thu, Mar 31, 2022 at 11:49:42AM -0700, Linus Torvalds wrote:
> On Thu, Mar 31, 2022 at 11:35 AM Kees Cook <keescook@chromium.org> wrote:
> >
> > Please pull these hardening fixes for v5.18-rc1. This addresses an
> > -Warray-bounds warning found under a few ARM defconfigs, and disables
> > long-broken CONFIG_HARDENED_USERCOPY_PAGESPAN.
>
> Can't we just remove that HARDENED_USERCOPY_PAGESPAN thing entirely?
>
> Yes, yes, I know Matthew did that as part of other patches that is too
> late to go in any more in this merge window, but just the removal
> patch is a no-brainer.
I can do that, but it seemed like more work for folks: a larger diff to
look at, and a rebase for Matthew or me. It's not MUCH more work, but
given the timing of the merge window, I wanted to have a minimal diff.
> IOW, why not just do the attached?
But I can certainly respin it, if you'd prefer?
--
Kees Cook
WARNING: multiple messages have this Message-ID (diff)
From: Kees Cook <keescook@chromium.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Hellwig <hch@lst.de>,
David Hildenbrand <david@redhat.com>,
Hari Bathini <hbathini@linux.ibm.com>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Logan Gunthorpe <logang@deltatee.com>,
Martin Oliveira <martin.oliveira@eideticom.com>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
Mike Kravetz <mike.kravetz@oracle.com>,
Minchan Kim <minchan@kernel.org>,
Russell King <linux@armlinux.org.uk>,
Stephen Rothwell <sfr@canb.auug.org.au>, Zi Yan <ziy@nvidia.com>
Subject: Re: [GIT PULL] hardening fixes for v5.18-rc1
Date: Thu, 31 Mar 2022 12:00:15 -0700 [thread overview]
Message-ID: <202203311157.F7FA779@keescook> (raw)
In-Reply-To: <CAHk-=wjQ0+9jBy6bm850h1jms1tja8xnon4X5v0LSO4biLhFGg@mail.gmail.com>
On Thu, Mar 31, 2022 at 11:49:42AM -0700, Linus Torvalds wrote:
> On Thu, Mar 31, 2022 at 11:35 AM Kees Cook <keescook@chromium.org> wrote:
> >
> > Please pull these hardening fixes for v5.18-rc1. This addresses an
> > -Warray-bounds warning found under a few ARM defconfigs, and disables
> > long-broken CONFIG_HARDENED_USERCOPY_PAGESPAN.
>
> Can't we just remove that HARDENED_USERCOPY_PAGESPAN thing entirely?
>
> Yes, yes, I know Matthew did that as part of other patches that is too
> late to go in any more in this merge window, but just the removal
> patch is a no-brainer.
I can do that, but it seemed like more work for folks: a larger diff to
look at, and a rebase for Matthew or me. It's not MUCH more work, but
given the timing of the merge window, I wanted to have a minimal diff.
> IOW, why not just do the attached?
But I can certainly respin it, if you'd prefer?
--
Kees Cook
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-03-31 19:00 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-31 18:35 [GIT PULL] hardening fixes for v5.18-rc1 Kees Cook
2022-03-31 18:35 ` Kees Cook
2022-03-31 18:46 ` Russell King (Oracle)
2022-03-31 18:46 ` Russell King (Oracle)
2022-03-31 18:57 ` Kees Cook
2022-03-31 18:57 ` Kees Cook
2022-03-31 18:49 ` Linus Torvalds
2022-03-31 18:49 ` Linus Torvalds
2022-03-31 19:00 ` Kees Cook [this message]
2022-03-31 19:00 ` Kees Cook
2022-03-31 19:09 ` Linus Torvalds
2022-03-31 19:09 ` Linus Torvalds
2022-03-31 19:12 ` pr-tracker-bot
2022-03-31 19:12 ` pr-tracker-bot
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