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=-11.0 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 6626DC43461 for ; Fri, 16 Apr 2021 22:50:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DA0D161107 for ; Fri, 16 Apr 2021 22:50:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233361AbhDPWuf (ORCPT ); Fri, 16 Apr 2021 18:50:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:53932 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230489AbhDPWuf (ORCPT ); Fri, 16 Apr 2021 18:50:35 -0400 Received: by mail.kernel.org (Postfix) with ESMTPS id D4BD26137D; Fri, 16 Apr 2021 22:50:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1618613409; bh=dbeNpTnbu7Ue4m+KfAjUNHO3r6I1R6du9rAi3SDujho=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=HaQtcFmAm9FdHznBHOSsgjZcsAnu9NqLn6TlldwaXOLtx6oHqr67Iqxp3BMqAWAsc UurWMGSd104Qzgy3v4Blr0YGa7ddkGLz7xl0rd3UAmDjwOjfi+Tj1xz8mbew5C0w21 dG+jfG8qJPxeEjR6PS/xNJ/5tZNmQDRPrQboshK9WzBSbqqGwIjHTtQ6ea7d1Opbm7 h7JuSDOoMJ7Lt8Zt6QyTI2QmKx5bDgcZBIlwQMGXz2rW95WwQn67fFzlp4ii9WxEp+ F5kMuchZEaTYbLbU6aCmumtHP8OUocSF9Cor4dXjOBgWq0AP8hImT/c85/LToVgaTV fxIF8lgCK6hYA== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next] mld: fix suspicious RCU usage in __ipv6_dev_mc_dec() From: patchwork-bot+netdevbpf@kernel.org Message-Id: <161861340982.29090.2285538599646945503.git-patchwork-notify@kernel.org> Date: Fri, 16 Apr 2021 22:50:09 +0000 References: <20210416141606.24029-1-ap420073@gmail.com> In-Reply-To: <20210416141606.24029-1-ap420073@gmail.com> To: Taehee Yoo Cc: davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org, dsahern@kernel.org, yoshfuji@linux-ipv6.org, edumazet@google.com Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (refs/heads/master): On Fri, 16 Apr 2021 14:16:06 +0000 you wrote: > __ipv6_dev_mc_dec() internally uses sleepable functions so that caller > must not acquire atomic locks. But caller, which is addrconf_verify_rtnl() > acquires rcu_read_lock_bh(). > So this warning occurs in the __ipv6_dev_mc_dec(). > > Test commands: > ip netns add A > ip link add veth0 type veth peer name veth1 > ip link set veth1 netns A > ip link set veth0 up > ip netns exec A ip link set veth1 up > ip a a 2001:db8::1/64 dev veth0 valid_lft 2 preferred_lft 1 > > [...] Here is the summary with links: - [net-next] mld: fix suspicious RCU usage in __ipv6_dev_mc_dec() https://git.kernel.org/netdev/net-next/c/aa8caa767e31 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html