linux-hardening.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andrew Morton <akpm@linux-foundation.org>
To: Kees Cook <keescook@chromium.org>
Cc: kernel test robot <lkp@intel.com>,
	Matt Porter <mporter@kernel.crashing.org>,
	Alexandre Bounine <alex.bou9@gmail.com>,
	Jing Xiangfeng <jingxiangfeng@huawei.com>,
	Ira Weiny <ira.weiny@intel.com>,
	John Hubbard <jhubbard@nvidia.com>,
	Souptick Joarder <jrdr.linux@gmail.com>,
	"Gustavo A . R . Silva" <gustavoars@kernel.org>,
	Dan Carpenter <dan.carpenter@oracle.com>,
	linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org
Subject: Re: [PATCH] rapidio: Avoid bogus __alloc_size warning
Date: Thu, 9 Sep 2021 16:11:09 -0700	[thread overview]
Message-ID: <20210909161109.14b147628de07ed7c20d84ae@linux-foundation.org> (raw)
In-Reply-To: <202109091549.FF8E0C61E2@keescook>

On Thu, 9 Sep 2021 15:51:23 -0700 Kees Cook <keescook@chromium.org> wrote:

> > That's an "error", not a warning.  Or is this thanks to the new -Werror?
> 
> This is a "regular" error (__bad_copy_to() uses __compiletime_error()).
> 
> > Either way, I'm inclined to cc:stable on this, because use of gcc-9 on
> > older kernels will be a common thing down the ages.
> > 
> > If it's really an "error" on non-Werror kernels then definitely cc:stable.
> 
> I would expect that as only being needed if __alloc_size was backported
> to -stable, which seems unlikely.

Ah.  Changelog didn't tell me that it's an __alloc_size thing.

What's the status of the __alloc_size() patchset, btw?

  reply	other threads:[~2021-09-09 23:11 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-09 16:14 [PATCH] rapidio: Avoid bogus __alloc_size warning Kees Cook
2021-09-09 20:27 ` Andrew Morton
2021-09-09 22:26   ` John Hubbard
2021-09-09 22:51   ` Kees Cook
2021-09-09 23:11     ` Andrew Morton [this message]
2021-09-10  1:52       ` Kees Cook
2021-09-10  4:50         ` Dan Carpenter
2021-09-10  5:48           ` Andrew Morton
2021-09-10  6:29             ` Kees Cook

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210909161109.14b147628de07ed7c20d84ae@linux-foundation.org \
    --to=akpm@linux-foundation.org \
    --cc=alex.bou9@gmail.com \
    --cc=dan.carpenter@oracle.com \
    --cc=gustavoars@kernel.org \
    --cc=ira.weiny@intel.com \
    --cc=jhubbard@nvidia.com \
    --cc=jingxiangfeng@huawei.com \
    --cc=jrdr.linux@gmail.com \
    --cc=keescook@chromium.org \
    --cc=linux-hardening@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=lkp@intel.com \
    --cc=mporter@kernel.crashing.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).