From: Jean Tourrilhes <jt@hpl.hp.com>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Dan Williams <dcbw@redhat.com>,
David Miller <davem@davemloft.net>,
linux-wireless@vger.kernel.org
Subject: Re: [RFC PATCH] introduce WEXT scan capabilities
Date: Mon, 10 Dec 2007 10:09:21 -0800 [thread overview]
Message-ID: <20071210180921.GB7168@bougret.hpl.hp.com> (raw)
In-Reply-To: <1197288928.6035.59.camel@johannes.berg>
On Mon, Dec 10, 2007 at 01:15:27PM +0100, Johannes Berg wrote:
>
> > Do either of those sound better to you than extending struct iw_range?
>
> Because wext is stupidly defined, you can never extend any structures it
> uses. Wext never passes in the length that userspace expects to passing
> in longer structures than the fixed one userspace expects will always
> overwrite something in userspace, possibly on the stack.
>
> johannes
Please check again...
Jean
next prev parent reply other threads:[~2007-12-10 18:11 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-06 11:28 [RFC PATCH] introduce WEXT scan capabilities Dan Williams
2007-12-06 19:11 ` Jean Tourrilhes
2007-12-07 10:20 ` Dan Williams
2007-12-07 19:27 ` Jean Tourrilhes
2007-12-07 21:38 ` Johannes Berg
2007-12-07 22:19 ` Jean Tourrilhes
2007-12-07 22:27 ` Johannes Berg
2007-12-08 2:04 ` David Miller
2007-12-09 17:35 ` Dan Williams
2007-12-09 17:59 ` Dan Williams
2007-12-10 6:10 ` David Miller
2007-12-10 17:23 ` Dan Williams
2007-12-11 0:11 ` David Miller
2007-12-11 4:22 ` Dan Williams
2007-12-11 4:51 ` David Miller
2007-12-11 15:01 ` Dan Williams
2007-12-10 12:15 ` Johannes Berg
2007-12-10 18:09 ` Jean Tourrilhes [this message]
2007-12-11 0:15 ` David Miller
2007-12-11 13:21 ` Johannes Berg
2007-12-10 18:11 ` Jean Tourrilhes
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