From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 690AEC07E99 for ; Mon, 12 Jul 2021 18:30:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 536DE61186 for ; Mon, 12 Jul 2021 18:30:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235925AbhGLScz (ORCPT ); Mon, 12 Jul 2021 14:32:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:40834 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235866AbhGLScw (ORCPT ); Mon, 12 Jul 2021 14:32:52 -0400 Received: by mail.kernel.org (Postfix) with ESMTPS id AD247611C0; Mon, 12 Jul 2021 18:30:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1626114603; bh=R5nfbjGkj5/1ssa1y5Xn9m1CY9/WorGixyuSaJQ2lXA=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=hhGDcOwuwFyb7e8JhiIfzk5GWIuRGcJZCt09L0dw7Y/AvbnfUeG7PsgVT0d6aESiO V4FRNx0z8uve4ovme4QC7TJr4FyRzU5Hvo9ilMMXfNj/iU0qgNcQJTRJhgZRUigufl rWx6bUm1LieQqX12/JYCITSLfXkD9JtAtS6PorHYEp6n4wX4F81G7qB8wbpgyywkDC IlJ7Sx87EtzhPdozxQ4wM/XShyZacfq6X6RFOxS8tAgSEifcBsdD68wEC7k6wfhcqd NRWCujsx1chUt4hGo7eE28J6uub9GZHUcKFmz6ipelbIe/DBGkWjl471Fwcf1pmqKG CrwnzmmC4E4ag== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH IPV6 v3 1/1] ipv6: allocate enough headroom in ip6_finish_output2() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <162611460364.21721.17333274904461206785.git-patchwork-notify@kernel.org> Date: Mon, 12 Jul 2021 18:30:03 +0000 References: <1b1efd52-dd34-2023-021c-c6c6df6fec5f@virtuozzo.com> In-Reply-To: <1b1efd52-dd34-2023-021c-c6c6df6fec5f@virtuozzo.com> To: Vasily Averin Cc: davem@davemloft.net, yoshfuji@linux-ipv6.org, dsahern@kernel.org, kuba@kernel.org, eric.dumazet@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (refs/heads/master): On Mon, 12 Jul 2021 09:45:06 +0300 you wrote: > When TEE target mirrors traffic to another interface, sk_buff may > not have enough headroom to be processed correctly. > ip_finish_output2() detect this situation for ipv4 and allocates > new skb with enogh headroom. However ipv6 lacks this logic in > ip_finish_output2 and it leads to skb_under_panic: > > skbuff: skb_under_panic: text:ffffffffc0866ad4 len:96 put:24 > head:ffff97be85e31800 data:ffff97be85e317f8 tail:0x58 end:0xc0 dev:gre0 > > [...] Here is the summary with links: - [IPV6,v3,1/1] ipv6: allocate enough headroom in ip6_finish_output2() https://git.kernel.org/netdev/net/c/5796015fa968 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html