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 C4330C433E0 for ; Wed, 10 Mar 2021 20:51:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7AD6D64FCA for ; Wed, 10 Mar 2021 20:51:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231694AbhCJUu3 (ORCPT ); Wed, 10 Mar 2021 15:50:29 -0500 Received: from mail.kernel.org ([198.145.29.99]:59262 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229602AbhCJUuI (ORCPT ); Wed, 10 Mar 2021 15:50:08 -0500 Received: by mail.kernel.org (Postfix) with ESMTPS id E211164FB3; Wed, 10 Mar 2021 20:50:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615409407; bh=W0QBUQXXsVOtLCFmpCkP5WWs3UzfBldFvw7zbDIg/3s=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=hbU/CHEz52/N8DoQR+ulfMVf1Ynx9VbUoLZuP4H3ggb/jNDrlpUBwiM5Qou3LMytw g9HHUsqLIbz0T1ez/nxMGn5vvVAk5mEvj1SQbno6a5ygAv268umzcVu9DxLT8NDXCI OcGiiIaICMRbQ5ZaeoycBEIgdMNyb0E01R98IR8xbpbHYLQF3I3ujG+PN3CQd7OTHm ELCf8IRnatp7lJynxWU2BH5DhnH6c7gAewr3K7P3jAWEMbNiYPboOddhgU/YMDinGQ R8TPVZ+Mjx6omBnMN/YkJh021/92kpA8Sx4NLgeVfN3M5JNw7Xiu926P0/2zhnPPa7 02mmmiD4+75EQ== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v2] ipv6: fix suspecious RCU usage warning From: patchwork-bot+netdevbpf@kernel.org Message-Id: <161540940787.31712.2042539896494623964.git-patchwork-notify@kernel.org> Date: Wed, 10 Mar 2021 20:50:07 +0000 References: <20210310022035.2908294-1-weiwan@google.com> In-Reply-To: <20210310022035.2908294-1-weiwan@google.com> To: Wei Wang Cc: davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org, syzkaller@googlegroups.com, dsahern@kernel.org, idosch@idosch.org, petrm@nvidia.com, edumazet@google.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 Tue, 9 Mar 2021 18:20:35 -0800 you wrote: > Syzbot reported the suspecious RCU usage in nexthop_fib6_nh() when > called from ipv6_route_seq_show(). The reason is ipv6_route_seq_start() > calls rcu_read_lock_bh(), while nexthop_fib6_nh() calls > rcu_dereference_rtnl(). > The fix proposed is to add a variant of nexthop_fib6_nh() to use > rcu_dereference_bh_rtnl() for ipv6_route_seq_show(). > > [...] Here is the summary with links: - [net,v2] ipv6: fix suspecious RCU usage warning https://git.kernel.org/netdev/net/c/28259bac7f1d You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html