From: Dan Carpenter <dan.carpenter@oracle.com>
To: Daniel Borkmann <dborkman@redhat.com>
Cc: tytso@mit.edu, zatimend@hotmail.co.uk,
linux-kernel@vger.kernel.org,
Hannes Frederic Sowa <hannes@stressinduktion.org>,
Alexey Dobriyan <adobriyan@gmail.com>,
Kees Cook <keescook@chromium.org>,
Julia Lawall <julia.lawall@lip6.fr>
Subject: Re: [PATCH] random: add and use memzero_explicit() for clearing data
Date: Mon, 1 Dec 2014 14:29:57 +0300 [thread overview]
Message-ID: <20141201112957.GC5048@mwanda> (raw)
In-Reply-To: <547C4B59.1000807@redhat.com>
On Mon, Dec 01, 2014 at 12:04:57PM +0100, Daniel Borkmann wrote:
> Well, BSD has helpers such as bzero_explicit() for such cases to work
> around this, which memzero_explicit() similarly does; see also [1].
>
> [1] https://gcc.gnu.org/ml/gcc-help/2014-10/msg00059.html
We should make memset() a define and call a custom function internally.
Otherwise there are thousands of calls to memset() which we would need
to audit. We could do some of this automatically but it's going to be a
mess.
regards,
dan carpenter
next prev parent reply other threads:[~2014-12-01 11:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-25 20:01 [PATCH] random: add and use memzero_explicit() for clearing data Daniel Borkmann
2014-08-25 20:35 ` Alexey Dobriyan
2014-08-25 20:38 ` Daniel Borkmann
2014-08-25 23:11 ` Hannes Frederic Sowa
2014-08-27 3:21 ` Theodore Ts'o
2014-12-01 10:27 ` Dan Carpenter
2014-12-01 11:04 ` Daniel Borkmann
2014-12-01 11:29 ` Dan Carpenter [this message]
2014-12-01 11:38 ` Dan Carpenter
2014-12-01 13:39 ` Daniel Borkmann
2014-12-01 11:48 ` Daniel Borkmann
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=20141201112957.GC5048@mwanda \
--to=dan.carpenter@oracle.com \
--cc=adobriyan@gmail.com \
--cc=dborkman@redhat.com \
--cc=hannes@stressinduktion.org \
--cc=julia.lawall@lip6.fr \
--cc=keescook@chromium.org \
--cc=linux-kernel@vger.kernel.org \
--cc=tytso@mit.edu \
--cc=zatimend@hotmail.co.uk \
/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).