From mboxrd@z Thu Jan  1 00:00:00 1970
From: Shannon Nelson <shannon.nelson@oracle.com>
Subject: Re: [PATCH] tcp: fix tcp_fastopen unaligned access complaints on
 sparc
Date: Thu, 12 Jan 2017 12:30:38 -0800
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Cc: netdev@vger.kernel.org, davem@davemloft.net,
        sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org
To: Eric Dumazet <eric.dumazet@gmail.com>,
        Rob Gardner <rob.gardner@oracle.com>
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On 1/12/2017 12:25 PM, Eric Dumazet wrote:
> On Thu, 2017-01-12 at 13:15 -0700, Rob Gardner wrote:
>
>>
>> I suspect that someplace, somebody is casting val to an int * or
>> something like that.
>
> Then that would be the bug. Can we root cause this please ?
>
>

Look in net/ipv4/tcp_fastopen.c:tcp_fastopen_cookie_gen() for the line

	 struct in6_addr *buf = (struct in6_addr *) tmp.val;

sln