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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F17F6C433F5 for ; Mon, 29 Nov 2021 12:22:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348454AbhK2MZg (ORCPT ); Mon, 29 Nov 2021 07:25:36 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:54362 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244356AbhK2MX3 (ORCPT ); Mon, 29 Nov 2021 07:23:29 -0500 Received: from mail.kernel.org (unknown [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id BBEC4B81028 for ; Mon, 29 Nov 2021 12:20:10 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPS id 5832860E0B; Mon, 29 Nov 2021 12:20:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1638188409; bh=keroKKtMdhqUmLkKEHYvn13K1sw9zPbTFOJf7J2JApg=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=dH47Qywu1cu8/fs1Lrbpb9/1oXm2EMs9GE0/szCG/Am2mh19bxSZnQN08z4S2YYVj tsB9aFh3j0khXnczrGTAvyxKxvYQH/2tVzlkC/RgfWzQWDCkpZnL9yR1nbzWuiAF2/ 4WVRJTx9bDxb5zDynTMblZjS2vo52wxizHxRX2sQglLmtnpTnIk3v88AXMXRb840cH ULWl8hYwvVn6dwn4SLpxVakKbdWKP1dfOX9NRMcIcsvuk96Im+nKcSupa1N7dtzfah +eWa4mmoZtWxxuloO92am/O57LHgCCJtieNOwKivELKNkJTmuGef2/BJQN6rbbxsvp iI7tor3LODAVQ== Received: from pdx-korg-docbuild-2.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by pdx-korg-docbuild-2.ci.codeaurora.org (Postfix) with ESMTP id 43A4A60A4D; Mon, 29 Nov 2021 12:20:09 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v2] tcp: fix page frag corruption on page fault From: patchwork-bot+netdevbpf@kernel.org Message-Id: <163818840927.20614.11748818922742306983.git-patchwork-notify@kernel.org> Date: Mon, 29 Nov 2021 12:20:09 +0000 References: <0fa74bfdfee95d6bba9fa49a5437f63c014f29ce.1637951641.git.pabeni@redhat.com> In-Reply-To: <0fa74bfdfee95d6bba9fa49a5437f63c014f29ce.1637951641.git.pabeni@redhat.com> To: Paolo Abeni Cc: netdev@vger.kernel.org, sfroemer@redhat.com, edumazet@google.com Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello: This patch was applied to netdev/net.git (master) by David S. Miller : On Fri, 26 Nov 2021 19:34:21 +0100 you wrote: > Steffen reported a TCP stream corruption for HTTP requests > served by the apache web-server using a cifs mount-point > and memory mapping the relevant file. > > The root cause is quite similar to the one addressed by > commit 20eb4f29b602 ("net: fix sk_page_frag() recursion from > memory reclaim"). Here the nested access to the task page frag > is caused by a page fault on the (mmapped) user-space memory > buffer coming from the cifs file. > > [...] Here is the summary with links: - [net,v2] tcp: fix page frag corruption on page fault https://git.kernel.org/netdev/net/c/dacb5d8875cc You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html