From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:40824 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753254AbdJSMw3 (ORCPT ); Thu, 19 Oct 2017 08:52:29 -0400 Subject: Patch "udpv6: Fix the checksum computation when HW checksum does not apply" has been added to the 4.4-stable tree To: subashab@codeaurora.org, davem@davemloft.net, gregkh@linuxfoundation.org Cc: , From: Date: Thu, 19 Oct 2017 14:52:28 +0200 Message-ID: <150841754818489@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled udpv6: Fix the checksum computation when HW checksum does not apply to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: udpv6-fix-the-checksum-computation-when-hw-checksum-does-not-apply.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Thu Oct 19 14:05:19 CEST 2017 From: Subash Abhinov Kasiviswanathan Date: Wed, 13 Sep 2017 19:30:51 -0600 Subject: udpv6: Fix the checksum computation when HW checksum does not apply From: Subash Abhinov Kasiviswanathan [ Upstream commit 63ecc3d9436f8012e49dc846d6cb0a85a3433517 ] 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 Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/ipv6/udp.c | 1 + 1 file changed, 1 insertion(+) --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1007,6 +1007,7 @@ static void udp6_hwcsum_outgoing(struct */ offset = skb_transport_offset(skb); skb->csum = skb_checksum(skb, offset, skb->len - offset, 0); + csum = skb->csum; skb->ip_summed = CHECKSUM_NONE; Patches currently in stable-queue which might be from subashab@codeaurora.org are queue-4.4/udpv6-fix-the-checksum-computation-when-hw-checksum-does-not-apply.patch