linux-kernel - Re: [v3.11][Regression] HID: hyperv: convert alloc+memcpy to memdup

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Message-ID: <20130916203824.GP25896@mwanda>
Date:	Mon, 16 Sep 2013 23:38:24 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Joseph Salisbury <joseph.salisbury@...onical.com>
Cc:	thomas@...3r.de, Jiri Kosina <jkosina@...e.cz>, list@...osl.org,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	LKML <linux-kernel@...r.kernel.org>, open@...osl.org,
	HID CORE LAYER <linux-input@...r.kernel.org>,
	devel@...uxdriverproject.org
Subject: Re: [v3.11][Regression] HID: hyperv: convert alloc+memcpy to memdup

On Mon, Sep 16, 2013 at 01:42:35PM -0400, Joseph Salisbury wrote:
> Reverting the patch changes the driver back to useing kzalloc() and
> memcpy() instead of  kmemdup.  Doing so has uncovered another bug, which
> causes an oops on memcpy()[1].  We are in the process of bisecting that
> one now and will provide the results.

The two bugs are the same it's that the code has shifted a little.  Mark
the commit as buggy and continue with the git bisect.

regards,
dan carpenter
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