From: Matti Linnanvuori <mattilinnanvuori@yahoo.com>
To: linux-kernel@vger.kernel.org
Subject: /dev/urandom uses uninit bytes, leaks user data
Date: Fri, 14 Dec 2007 23:20:30 -0800 (PST) [thread overview]
Message-ID: <977119.41267.qm@web52005.mail.re2.yahoo.com> (raw)
From: Matti Linnanvuori <mattilinnnvuori@yahoo.com>
/dev/urandom use no uninit bytes, leak no user data
Signed-off-by: Matti Linnanvuori <mattilinnnvuori@yahoo.com>
---
--- a/drivers/char/random.c 2007-12-15 09:09:37.895414000 +0200
+++ b/drivers/char/random.c 2007-12-15 09:12:02.607831500 +0200
@@ -689,7 +689,7 @@ static ssize_t extract_entropy(struct en
*/
static void xfer_secondary_pool(struct entropy_store *r, size_t nbytes)
{
- __u32 tmp[OUTPUT_POOL_WORDS];
+ static __u32 tmp[OUTPUT_POOL_WORDS];
if (r->pull && r->entropy_count < nbytes * 8 &&
r->entropy_count < r->poolinfo->POOLBITS) {
Machen Sie Yahoo! zu Ihrer Startseite. Los geht's:
http://de.yahoo.com/set
next reply other threads:[~2007-12-15 7:27 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-15 7:20 Matti Linnanvuori [this message]
2007-12-15 7:54 ` Valdis.Kletnieks
-- strict thread matches above, loose matches on Subject: below --
2007-12-15 22:44 linux
2007-12-14 19:34 John Reiser
2007-12-14 20:13 ` Matt Mackall
2007-12-14 20:45 ` John Reiser
2007-12-14 23:23 ` Theodore Tso
2007-12-15 0:30 ` John Reiser
2007-12-15 4:32 ` Theodore Tso
2007-12-17 16:30 ` John Reiser
2007-12-17 17:36 ` Theodore Tso
2007-12-18 0:52 ` Andy Lutomirski
2007-12-18 3:05 ` Theodore Tso
2007-12-18 3:13 ` David Newall
2007-12-18 3:46 ` Theodore Tso
2007-12-18 4:09 ` David Newall
2007-12-18 4:23 ` Theodore Tso
2007-12-19 22:43 ` Bill Davidsen
2007-12-19 22:40 ` Bill Davidsen
2007-12-20 4:18 ` Andrew Lutomirski
2007-12-20 20:17 ` Phillip Susi
2007-12-21 16:10 ` Andrew Lutomirski
2007-12-22 1:14 ` Theodore Tso
2007-12-26 18:30 ` Phillip Susi
2007-12-20 20:36 ` Theodore Tso
2007-12-27 10:44 ` Pavel Machek
2007-12-18 5:12 ` David Schwartz
2007-12-17 20:59 ` David Schwartz
2007-12-15 7:13 ` Herbert Xu
2007-12-15 16:30 ` Matt Mackall
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=977119.41267.qm@web52005.mail.re2.yahoo.com \
--to=mattilinnanvuori@yahoo.com \
--cc=linux-kernel@vger.kernel.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
Powered by JetHome