linux-kernel - Re: [PATCH] Staging: prevent rtl8187se from crashing dev

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <200906202251.16916.bzolnier@gmail.com>
Date:	Sat, 20 Jun 2009 22:51:16 +0200
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	Dan Aloni <dan@...ni.org>
Cc:	Linux Kernel List <linux-kernel@...r.kernel.org>,
	"Greg Kroah-Hartman" <gregkh@...e.de>
Subject: Re: [PATCH] Staging: prevent rtl8187se from crashing dev_ioctl() in SIOCGIWNAME

On Saturday 20 June 2009 15:32:22 Dan Aloni wrote:
> I repeatedly get __stack_chk_fail panic()s with this driver before
> applying the attached fix.
> 
> ieee80211_wx_get_name() ignores sizeof(wrqu->name) which is IFNAMSIZ (16), and
> on certain conditions, the concatenated string will be larger than IFNAMSIZ
> including the terminating zero.
> 
>     length ("802.11" ++ "b" ++ "/g" ++ " linked" ++ "\x00") == 17
> 
> This fix uses strl{cpy,cat} in addition to the reduction of the total
> possible length of the output string by a char.
> 
> It can be applied to 2.6.30-stable as well.

Recently added rtl8192su driver seems to also need it, care to port the fix?
(http://patchwork.kernel.org/patch/29630/ is needed to build rtl8192su ATM)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/