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=-11.2 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=ham 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 244AFC4332B for ; Wed, 10 Mar 2021 23:40:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 01D4464FF3 for ; Wed, 10 Mar 2021 23:40:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233982AbhCJXkW (ORCPT ); Wed, 10 Mar 2021 18:40:22 -0500 Received: from mail.kernel.org ([198.145.29.99]:40696 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232133AbhCJXkL (ORCPT ); Wed, 10 Mar 2021 18:40:11 -0500 Received: by mail.kernel.org (Postfix) with ESMTPS id A71C464FC9; Wed, 10 Mar 2021 23:40:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615419611; bh=NG8oemf2WILgK0QWfh6JIQiigjC+6YpiB7AxQmJh2pI=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=ky/iKLFGgej4jH27Sbpi9V4EeDROfz6P90id2YdLvTdZHTzxczAHp1fBFwsNsmLJl IvDLd8vdLuoWQwpgt3wmsDZNCKgeq5TQpo68sZQ86saTYwdwayKVydbnYf88AY7Qcn M/Pp7APJH1XAn3wxHnYfjrXF4Z/sP9WKWqjvuOvKlr+TSGLyNFT95BBEpVOn14GtrR vfcmkW1GSsaO4V2ycndpEjas2YQGOwlfwuOqD61CicXP/a0macGJMpapFwQ7xffe+l KQ6qpRz/0EVVtocjRYGwUUvP+NmHDWh32IPPg+6vulYEWPbY3RxU5zFcxjB1n65Sef qzP/lxUn8pvVg== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] macvlan: macvlan_count_rx() needs to be aware of preemption From: patchwork-bot+netdevbpf@kernel.org Message-Id: <161541961160.10035.4487677868180335045.git-patchwork-notify@kernel.org> Date: Wed, 10 Mar 2021 23:40:11 +0000 References: <20210310095636.202881-1-eric.dumazet@gmail.com> In-Reply-To: <20210310095636.202881-1-eric.dumazet@gmail.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org, edumazet@google.com, herbert@gondor.apana.org.au, syzkaller@googlegroups.com Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello: This patch was applied to netdev/net.git (refs/heads/master): On Wed, 10 Mar 2021 01:56:36 -0800 you wrote: > From: Eric Dumazet > > macvlan_count_rx() can be called from process context, it is thus > necessary to disable preemption before calling u64_stats_update_begin() > > syzbot was able to spot this on 32bit arch: > > [...] Here is the summary with links: - [net] macvlan: macvlan_count_rx() needs to be aware of preemption https://git.kernel.org/netdev/net/c/dd4fa1dae9f4 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html