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From: Pavel Roskin <proski@gnu.org>
To: "Gábor Stefanik" <netrolller.3d@gmail.com>
Cc: Kalle Valo <kvalo@adurom.com>,
	"John W. Linville" <linville@tuxdriver.com>,
	linux-wireless@vger.kernel.org, johill@sipsolutions.net,
	reinette.chatre@intel.com, Adel Gadllah <adel.gadllah@gmail.com>
Subject: Re: [PATCH] iwlagn: Change the TPT calculations sanity-check to WARN_ON
Date: Mon, 03 May 2010 17:01:44 -0400	[thread overview]
Message-ID: <1272920504.4907.5.camel@mj> (raw)
In-Reply-To: <AANLkTimf_aZyUSZInOzUPZ8KRR6oDs3Re4pSGGn541fM@mail.gmail.com>

On Mon, 2010-05-03 at 22:48 +0200, Gábor Stefanik wrote:

> One exception I can think of: major misconfiguration can cause a
> wireless device to DMA data into sensitive memory locations. When
> evidence of this is detected, it might make sense to BUG_ON()
> (especially if the bogus DMA operations can be exploited remotely to
> overwrite arbitrary memory addresses). However, in that case, the
> attacker may have already overwritten panic() with malicious code as
> well, so even this case doesn't hold.

And then there is a case when encryption fails and there is a risk of
transmitting data without encryption or accepting data without
verification.

But generally, I agree.

-- 
Regards,
Pavel Roskin

  reply	other threads:[~2010-05-03 21:01 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-03 17:25 [PATCH] iwlagn: Change the TPT calculations sanity-check to WARN_ON John W. Linville
2010-05-03 17:48 ` reinette chatre
2010-05-03 17:55   ` [PATCH] iwlwifi: recalculate average tpt if not current reinette chatre
2010-05-06 16:11     ` reinette chatre
2010-05-06 18:22       ` John W. Linville
2010-05-06 18:50         ` reinette chatre
2010-05-03 20:29 ` [PATCH] iwlagn: Change the TPT calculations sanity-check to WARN_ON Kalle Valo
2010-05-03 20:48   ` Gábor Stefanik
2010-05-03 21:01     ` Pavel Roskin [this message]
2010-05-03 21:10       ` Adel Gadllah
2010-05-03 21:20         ` Gábor Stefanik

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