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SubjectRe: [PATCH 3.12 40/77] sfc: Add length checks to efx_xmit_with_hwtstamp() and efx_ptp_is_ptp_tx()
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From: Luis Henriques <luis.henriques@canonical.com>
Date: Thu, 16 Jan 2014 10:50:26 +0000

> On Tue, Jan 14, 2014 at 12:45:15AM +0000, Ben Hutchings wrote:
>> On Mon, 2014-01-13 at 16:28 -0800, Greg Kroah-Hartman wrote:
>> > 3.12-stable review patch. If anyone has any objections, please let me know.
>> >
>> > ------------------
>> >
>> > From: Ben Hutchings <bhutchings@solarflare.com>
>> >
>> > [ Upstream commit e5a498e943fbc497f236ab8cf31366c75f337ce6 ]
>> >
>> > efx_ptp_is_ptp_tx() must be robust against skbs from raw sockets that
>> > have invalid IPv4 and UDP headers.
>> >
>> > Add checks that:
>> > - the transport header has been found
>> > - there is enough space between network and transport header offset
>> > for an IPv4 header
>> > - there is enough space after the transport header offset for a
>> > UDP header
>> >
>> > Fixes: 7c236c43b838 ('sfc: Add support for IEEE-1588 PTP')
>>
>> All the PTP fixes for sfc (40-44 in this series) logically apply to
>> 3.10.y as well. David, did you find conflicts there?

Yes, there were rejects which were beyond my ability to resolve.


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