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Date: Thu, 29 Dec 2016 10:43:51 -0500
From: Dave Jones <davej@codemonkey.org.uk>
To: Christoph Hellwig <hch@infradead.org>
Cc: Kees Cook <keescook@chromium.org>,
        Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: sg_io HARDENED_USERCOPY_PAGESPAN trace
Message-ID: <20161229154351.6zrxuagi62pga6mt@codemonkey.org.uk>
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References: <20161228214016.leperioiukslpho4@codemonkey.org.uk>
 <20161229075642.GA30837@infradead.org>
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On Wed, Dec 28, 2016 at 11:56:42PM -0800, Christoph Hellwig wrote:
 > On Wed, Dec 28, 2016 at 04:40:16PM -0500, Dave Jones wrote:
 > >  sg_io+0x113/0x470
 > 
 > Can you resolve that to a source line using a gdb?

It's the copy_from_user in an inlined copy of blk_fill_sghdr_rq.

	Dave