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 4A0EC377A9A for ; Tue, 1 Sep 2026 01:11:12 +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=1788225075; cv=none; b=hpbZpj04SVuT674pdabwxFHpI9S4QPCipPBm3JTOiaB6BPVUEIQC14F9uwJGxPl2UskXXLoIqCsABAmuTD8Roh1Vn2nbmhSMyeMOT/a4Yu8XMKqfRubo+h0vl7ddrW/VKeIyMsAYB507TzUIaSAM5Cjf4b/tBi/xgF/mhh6LxeI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788225075; c=relaxed/simple; bh=NzyYlQEDNLdtIzy2rMf5UCAj9HwnwpJn/WPpkostx+o=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=TG3Hsm3x0Fq7kgu0UT3pb0AzSTyC4eSk/koPffXPnDbcmcRz8a6vTRyaeJnnwtia/DqdMrXidaph/dUNggGa32Jng8MqWyU3LF2DD/7Hmm/feW3lzFBpNIsnlAgu+oeN0E8Od9v/b3dfYKIgFw76Io/AKzXE3MqjFANpT36TOBU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NvWYRsww; 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="NvWYRsww" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3E6311F000E9; Tue, 1 Sep 2026 01:11:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788225072; bh=v24N7FtAdRyKfaN48daGR+WbEiH4MkTEhHUodzvmLQQ=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=NvWYRswwqfz9yYX0y1kfZfQFk4pmx4UP8lexIcvv3T8u1tSQDwcpNTdxJg9s6AqKx Sy5EyDM9Y7z4N+DOj8f4aQTUwl08M3UAVbC2w9BqfKIXH0j/0XWzjA/YPhWsgpBvQ1 Gt57iLCs9AGfC6S+Q2kdhmNZL/0liFJGpDM5jkZ9wfAGs3Jh8NMUwfH+LJ4LfJnXoO V5xdX3U8FXIvmB9SZOV3pMEKPXqJ8YEwZZfeym6YFGxyaRMZOG7bLjL5mDIQ6pt6vV OaA2p4Mxxu8F76tmeBv+WVfExu+DJKUgiE0cZZpvSDvb6lAJgU9MRhDyIArJO1Pz5P +Ej47VeLBkzGg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 5693B3924A40; Tue, 1 Sep 2026 01:10:16 +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 v2 net 0/5] ipv6: mcast: RCU and timer fixes From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178822501489.865139.15246624962755693699.git-patchwork-notify@kernel.org> Date: Tue, 01 Sep 2026 01:10:14 +0000 References: <20260828084531.1826790-1-edumazet@google.com> In-Reply-To: <20260828084531.1826790-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, idosch@nvidia.com, dsahern@kernel.org, horms@kernel.org, netdev@vger.kernel.org, eric.dumazet@gmail.com Hello: This series was applied to netdev/net.git (main) by Jakub Kicinski : On Fri, 28 Aug 2026 08:45:26 +0000 you wrote: > This series addresses several RCU synchronization and timer calculation > issues identified in IPv6 multicast (MLD) handling within net/ipv6/mcast.c > while I was working on fixing a syzbot report in net/ipv4/icmp.c. > > Patch 1 fixes an RCU reader diversion in ip6_mc_del1_src() where mutating > psf->sf_next to insert an unlinked source node into the tombstone list > diverted concurrent lockless readers (e.g. ipv6_chk_mcast_addr()) into > pmc->mca_tomb, causing them to miss remaining active sources. > > [...] Here is the summary with links: - [v2,net,1/5] ipv6: mcast: fix RCU list diversion in ip6_mc_del1_src() https://git.kernel.org/netdev/net/c/93b49239840b - [v2,net,2/5] ipv6: mcast: use copy-on-write RCU updates in ip6_mc_source() https://git.kernel.org/netdev/net/c/c073d1b070f1 - [v2,net,3/5] ipv6: mcast: fix delay calculation in igmp6_join_group() https://git.kernel.org/netdev/net/c/75fa9caeb8aa - [v2,net,4/5] ipv6: mcast: use rcu_assign_pointer() for __rcu list updates https://git.kernel.org/netdev/net/c/0c8f56c583c3 - [v2,net,5/5] ipv6: mcast: use jiffies_delta_to_clock_t() in igmp6_mc_seq_show() https://git.kernel.org/netdev/net/c/b4cf4a092a7b You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html