From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3DBE3DDCD; Thu, 28 May 2026 00:10:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779927008; cv=none; b=qpRzUjHvIcdTBR2jvGECqnpaVxpfNcrlbDgEVzr5l8NKfL1j+PYHsW8CO/qn3G3pn63oOUyBKOJ33AUxIZAoVR+mE3CX99cGKqLVEJ3A1hiaUV6QlRAk+0CYjGWzVSsAG2Sd8+a3r7xlu/PP2UR/fD3I5SJxaHyLMgnWCE10Msg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779927008; c=relaxed/simple; bh=PefNJ4hkmQ2TbseJysbOgyHXdl9+enheB80Bj5xMDUg=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=XfRnUUL3Y4yH0ld1m6qm7muiVtohzIPBH4ZSVXf9aOffN7sCi9wTW/MF6RfSa8HKGg1gpVByppGbmHucY4HzAubtGTO6GW03IERYsn6G9AkbyWMQ4e90rLkVOC5O2ZHTfcyn4/xIfzp8YE663vIrLl//SNqqMHCg5y6GDreEIsA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Dv181+Pj; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Dv181+Pj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7AC51F000E9; Thu, 28 May 2026 00:10:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779927006; bh=xD7oYb7DgDb+apONV5pQaciABA1qNuxjDBqgB423VQY=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=Dv181+PjSElyQAApUI0ZNRkmJ69tkxSxeBs6gpLRaZRFABnf+o1FHm/0IXZg9nyHn HISVXOxAYpufxA/3QDz9cZ+VKCYH8ki9B5bWE/FJ0mFSV1uJmdnYgIvG+UncNSdIDk Rr+O5dTOm8Jny2BqE1hCdfwrz4J5Dqr8yMdnJMkqoNJ+d3a7likDegUvxDL4dOU0We L485USEcGjHwBNwCEu8WrBZWqWI55fkZPSjKY02tPdhPmxCs/dZWKpB0l5RROAOOH6 wR3sj/2g5kGrIYtrpQxoZ+/3GHguV4Yv+HBnoSmZx9VAPoPEungA1ItN0kymcDhJRP EepqKg+pQlV/Q== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 19A50380CFDE; Thu, 28 May 2026 00:10:13 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next] ipv6: mcast: annotate data-races around mca_users From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177992701164.690389.11147762277523425287.git-patchwork-notify@kernel.org> Date: Thu, 28 May 2026 00:10:11 +0000 References: <20260524022456.20689-1-sigefriedhyy@gmail.com> In-Reply-To: <20260524022456.20689-1-sigefriedhyy@gmail.com> To: Yuyang Huang Cc: jiayuan.chen@linux.dev, davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, idosch@nvidia.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (main) by Jakub Kicinski : On Sun, 24 May 2026 11:24:56 +0900 you wrote: > /proc/net/igmp6 walks IPv6 multicast memberships under RCU and prints > mca_users without holding idev->mc_lock, while multicast join and leave > paths update the field while holding idev->mc_lock. Annotate this > intentional lockless snapshot with READ_ONCE() and the matching writers > with WRITE_ONCE(). > > Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") > Signed-off-by: Yuyang Huang > > [...] Here is the summary with links: - [net-next] ipv6: mcast: annotate data-races around mca_users https://git.kernel.org/netdev/net-next/c/56ed77ff6022 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html