netdev - Re: [PATCH 1/2] net: Remove ndo_xmit_flush netdev operation, use signalling instead.

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Date:	Tue, 01 Sep 2015 00:13:50 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	Yanjun.Zhu@...driver.com
Cc:	netdev@...r.kernel.org, therbert@...gle.com, jhs@...atatu.com,
	hannes@...essinduktion.org, edumazet@...gle.com,
	jeffrey.t.kirsher@...el.com, rusty@...tcorp.com.au,
	dborkman@...hat.com, brouer@...hat.com
Subject: Re: [PATCH 1/2] net: Remove ndo_xmit_flush netdev operation, use
 signalling instead.

From: yzhu1 <Yanjun.Zhu@...driver.com>
Date: Tue, 1 Sep 2015 15:10:23 +0800

> After running for several days, the following messages will
> appear.

Then you need to figure out why the value is being set.

It is initialized to zero by every SKB allocation, and only
very specific controlled code paths set it non-zero.

Memory corruption is a very real possibility.
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