netdev - Re: [PATCH net] udpv6: Fix the checksum computation when HW checksum does not apply

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Message-Id: <20170918.114344.588704137534470376.davem@davemloft.net>
Date:   Mon, 18 Sep 2017 11:43:44 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     subashab@...eaurora.org
Cc:     netdev@...r.kernel.org, vyasevic@...hat.com
Subject: Re: [PATCH net] udpv6: Fix the checksum computation when HW
 checksum does not apply

From: Subash Abhinov Kasiviswanathan <subashab@...eaurora.org>
Date: Wed, 13 Sep 2017 19:30:51 -0600

> While trying an ESP transport mode encryption for UDPv6 packets of
> datagram size 1436 with MTU 1500, checksum error was observed in
> the secondary fragment.
> 
> This error occurs due to the UDP payload checksum being missed out
> when computing the full checksum for these packets in
> udp6_hwcsum_outgoing().
> 
> Fixes: d39d938c8228 ("ipv6: Introduce udpv6_send_skb()")
> Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@...eaurora.org>

Good catch, applied and queued up for -stable.