From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 8F72C2D058; Thu, 18 Jan 2024 18:00:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705600828; cv=none; b=kSNQ/rIo/BN6sSM5WtTuDLKZ3CyHkLkhvZpzDkDCwbKyFkp44/0X97Rra61n4e4b5oXfSfi/oKaedxMKM7qtphO3YETVmHPKVWKO6kCo5c7VsFRWnau9pvr3KcqDqFR1ErXtr9AJ5Jw6TxNT6MS4Z2scUY+I2kKYbWnLA5rymaY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705600828; c=relaxed/simple; bh=9sn1wXNYVCWmv9eDQHfqDMCLE21PxoR96YDrPpEcw7w=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=tPOEHkTUj/7liCu/zxJRvOC43LU/5hTrGxHCBa2zsUdKSnDZ7PiIpTdyyzRlcTgz/q/+dP+4j78wdRiImI+AoVyc5Q4IELwO3YVmofGq0fV7aFW4JDaaGYlHJo9IkxM3EkLqIi9DDe+kuwTKGT0WMgu6TmTou2I8GTlyMzRE6ss= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hGbHw6mE; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="hGbHw6mE" Received: by smtp.kernel.org (Postfix) with ESMTPS id 27D1EC433C7; Thu, 18 Jan 2024 18:00:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1705600828; bh=9sn1wXNYVCWmv9eDQHfqDMCLE21PxoR96YDrPpEcw7w=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=hGbHw6mEaCWc49iMVRN48hRdH8IRvr+sVuk3/7j+A6+MVMKnsYtd2Zd+Wn2ndufZq VWvCyVO9huPZ9Kt5ceaq9N817V3VMnyIkolHoBDxzNUB79waPymZIP1hrQWWMz0q07 Iz74RTFWNBuHoUBLOJj/AkH2z/swwCj7BEEmLppDFqC4g8J0rHNAdCZDUInobwhjp1 vz/Uw82ZJlqIDbuBp5EIppgMkJFkDbKfKRX4+qE+OHGSju0fjdNrYy6oAf1YrScfef FIOuKC8ZsUZgALUzcatmEE93y+2QWbAOZiNE6hsCFIN2rNle8YYhOoZcRcM/rGFRfT lgwVh/uJHZJAA== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 0FE1AD8C97F; Thu, 18 Jan 2024 18:00:28 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] ipv6: mcast: fix data-race in ipv6_mc_down / mld_ifc_work From: patchwork-bot+netdevbpf@kernel.org Message-Id: <170560082806.5819.6461479890543171742.git-patchwork-notify@kernel.org> Date: Thu, 18 Jan 2024 18:00:28 +0000 References: <20240117172102.12001-1-n.zhandarovich@fintech.ru> In-Reply-To: <20240117172102.12001-1-n.zhandarovich@fintech.ru> To: Nikita Zhandarovich Cc: davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, ap420073@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, syzbot+a9400cabb1d784e49abf@syzkaller.appspotmail.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Wed, 17 Jan 2024 09:21:02 -0800 you wrote: > idev->mc_ifc_count can be written over without proper locking. > > Originally found by syzbot [1], fix this issue by encapsulating calls > to mld_ifc_stop_work() (and mld_gq_stop_work() for good measure) with > mutex_lock() and mutex_unlock() accordingly as these functions > should only be called with mc_lock per their declarations. > > [...] Here is the summary with links: - [net] ipv6: mcast: fix data-race in ipv6_mc_down / mld_ifc_work https://git.kernel.org/netdev/net/c/2e7ef287f07c You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html