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From: Johannes Berg <johannes@sipsolutions.net>
To: jt@hpl.hp.com
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: Tue, 11 Dec 2007 14:21:33 +0100	[thread overview]
Message-ID: <1197379293.4037.7.camel@johannes.berg> (raw)
In-Reply-To: <20071210180921.GB7168@bougret.hpl.hp.com>

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> > 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...

I have. It's worse than I thought, there's a length parameter but it's
not used properly.

johannes

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  parent reply	other threads:[~2007-12-11 13:22 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
2007-12-11  0:15                 ` David Miller
2007-12-11 13:21                 ` Johannes Berg [this message]
2007-12-10 18:11           ` Jean Tourrilhes

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