netdev - Re: [Bugme-new] [Bug 38102] New: BUG kmalloc-2048: Poison overwritten

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Date:	Thu, 07 Jul 2011 11:52:11 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Alexey Zaytsev <alexey.zaytsev@...il.com>
Cc:	Michael Büsch <m@...s.ch>,
	Neil Horman <nhorman@...driver.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	netdev@...r.kernel.org, Gary Zambrano <zambrano@...adcom.com>,
	bugme-daemon@...zilla.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Pekka Pietikainen <pp@...oulu.fi>,
	Florian Schirmer <jolt@...box.org>,
	Felix Fietkau <nbd@...nwrt.org>, Michael Buesch <mb@...sch.de>
Subject: Re: [Bugme-new] [Bug 38102] New: BUG kmalloc-2048: Poison
 overwritten

Le jeudi 07 juillet 2011 à 13:43 +0400, Alexey Zaytsev a écrit :

> Ok, I've wrongly fixed this part in the clean b44.c, and got stalls.
> Then fixed the patched one after applying the stash, and still got the
> stalls.

So, filling NULL to 'should not be used slots' definitely removes the
memory corruption, but also stalls the NIC.

Driver model is completely wrong. Without full hardware specs, this will
be hard to guess appropriate fixes.



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