From: Christopher Lameter <cl@linux.com>
To: Matthew Wilcox <willy@infradead.org>
Cc: Shyam Saini <mayhs11saini@gmail.com>,
linux-mm@kvack.org, kernel-hardening@lists.openwall.com,
Kees Cook <keescook@chromium.org>
Subject: Re: [PATCH] slab: Redefine ZERO_SIZE_PTR to include ERR_PTR range
Date: Thu, 10 Oct 2019 18:35:25 +0000 (UTC) [thread overview]
Message-ID: <alpine.DEB.2.21.1910101834570.28972@www.lameter.com> (raw)
In-Reply-To: <20191010174413.GT32665@bombadil.infradead.org>
On Thu, 10 Oct 2019, Matthew Wilcox wrote:
> I was wondering about something like that too, but allocating zero bytes
> isn't actually an error, and if we have code that does something like:
True. But it is in a greyzone. You cannot store anything in zero bytes
after all.
next prev parent reply other threads:[~2019-10-10 18:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20191010103151.7708-1-mayhs11saini@gmail.com>
2019-10-10 14:22 ` [PATCH] slab: Redefine ZERO_SIZE_PTR to include ERR_PTR range Christopher Lameter
2019-10-10 17:44 ` Matthew Wilcox
2019-10-10 18:35 ` Christopher Lameter [this message]
2019-10-20 6:06 ` Shyam Saini
2019-10-20 15:38 ` Jann Horn
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=alpine.DEB.2.21.1910101834570.28972@www.lameter.com \
--to=cl@linux.com \
--cc=keescook@chromium.org \
--cc=kernel-hardening@lists.openwall.com \
--cc=linux-mm@kvack.org \
--cc=mayhs11saini@gmail.com \
--cc=willy@infradead.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).