From: Solar Designer <solar@openwall.com>
To: Ernie Petrides <petrides@redhat.com>
Cc: Willy Tarreau <w@1wt.eu>, linux-kernel@vger.kernel.org
Subject: printk()s of user-supplied strings (Re: [PATCH] binfmt_elf.c : the BAD_ADDR macro again)
Date: Tue, 22 Aug 2006 07:07:55 +0400 [thread overview]
Message-ID: <20060822030755.GB830@openwall.com> (raw)
In-Reply-To: <200608212336.k7LNa1E8008716@pasta.boston.redhat.com>
On Mon, Aug 21, 2006 at 07:36:01PM -0400, Ernie Petrides wrote:
> - printk(KERN_ERR "Unable to load interpreter %.128s\n",
> - elf_interpreter);
I'd rather have this message rate-limited, not dropped completely.
Another long-time concern that I had is that we've got some printk()s
of user-supplied string data. What about embedded linefeeds - can this
be used to produce fake kernel messages with arbitrary log level (syslog
priority)? It certainly seems so.
Also, there are terminal controls...
Alexander
next prev parent reply other threads:[~2006-08-22 3:11 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-20 2:04 [PATCH x7] misc fixes from 2.4.33-ow1 Solar Designer
2006-08-20 9:15 ` [PATCH] binfmt_elf.c : the BAD_ADDR macro again Willy Tarreau
2006-08-20 15:51 ` Solar Designer
2006-08-20 16:23 ` Willy Tarreau
2006-08-21 20:35 ` Ernie Petrides
2006-08-21 21:11 ` Willy Tarreau
2006-08-21 23:36 ` Ernie Petrides
2006-08-22 3:07 ` Solar Designer [this message]
2006-08-22 20:23 ` printk()s of user-supplied strings (Re: [PATCH] binfmt_elf.c : the BAD_ADDR macro again) Ernie Petrides
2006-08-22 20:34 ` printk()s of user-supplied strings Willy Tarreau
2006-08-24 16:44 ` printk()s of user-supplied strings (Re: [PATCH] binfmt_elf.c : the BAD_ADDR macro again) Solar Designer
2006-08-24 16:46 ` Willy Tarreau
2006-08-26 2:29 ` Solar Designer
2006-08-26 8:22 ` Willy Tarreau
2006-08-26 23:13 ` Solar Designer
2006-08-27 20:04 ` printk()s of user-supplied strings Willy Tarreau
2006-08-28 1:52 ` Solar Designer
1970-01-01 0:16 ` Pavel Machek
2006-08-28 8:02 ` Willy Tarreau
2006-08-28 11:17 ` Krzysztof Halasa
2006-08-30 6:15 ` Willy Tarreau
2006-08-28 17:35 ` Valdis.Kletnieks
2006-08-22 4:36 ` [PATCH] binfmt_elf.c : the BAD_ADDR macro again Willy Tarreau
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=20060822030755.GB830@openwall.com \
--to=solar@openwall.com \
--cc=linux-kernel@vger.kernel.org \
--cc=petrides@redhat.com \
--cc=w@1wt.eu \
/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