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 B1AFE1F0E25; Thu, 2 Apr 2026 00:50:22 +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=1775091022; cv=none; b=g3nQnydRVEf4THFZvPHN0jSUgRWjiVze0AfU9oc4uU/skf8rABqBngvSiz6mm9W2ML0feLbt17ajEHHc804wlESr8kWhrrLSgsjNY3toJsCMtgCWJp/Dc+JfaAv1iSqXEpcoGjhCjHh2GnaIfrYYVwZ9P0rcMUSKWc0Dqnl1FUo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775091022; c=relaxed/simple; bh=/eg3P3PUb39JIfzndr75JqyTUzA/W99qWud/tN4mtu0=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=UpEMcWNTivONCmk3sL8Y96X3RdjX4gquWUBCen/V5AVIBMkXZkM5uwpt/k0S6oe8u5TAl6y10sPi96nITLP6z2MyAY9AL6VpqcczxOAQL6KPz3UXr1wC7HLa4TMMOIr9yZwbVgmMp5TU5J/KtzEwpww3FXmIhr1gBvRINeZVf+A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PRAla4KR; 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="PRAla4KR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8EE27C4CEF7; Thu, 2 Apr 2026 00:50:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775091022; bh=/eg3P3PUb39JIfzndr75JqyTUzA/W99qWud/tN4mtu0=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=PRAla4KRM5sg6y6IWsxA5FOti+soW72+Bmi+utd2WXNjUdwpJ4LNLzwwTdYRswxy6 +X7uUHXo4zwjjuDinTbw3bM3LA5lGymI8pBhP4BdrASCKfyb2dW0GIdeStIAAhtaYs HK4RF6mrDHnQXqnmsGcyz9Slt571TCgXwByEGMmvrURRhpGFd+enCISkyuL9/wdnSC +AK5TWuUG8/5w0Qa2822dICfjhQJ96op5Ni4xEb6v7aJsN6BxlKPFdCd0IsDL8ZT2q YJ1ohC9GJZxYM5fOwkCfM7/ffR+SQ56/XVq6KdFkMd4huWH1631tHg0v6G3oVGW5jv UdGpmWEt5yfCg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 7CF593808203; Thu, 2 Apr 2026 00:50:06 +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 v3] ipv6: fix data race in fib6_metric_set() using cmpxchg From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177509100529.3929284.7880637325111529134.git-patchwork-notify@kernel.org> Date: Thu, 02 Apr 2026 00:50:05 +0000 References: <20260331-b4-fib6_metric_set-kmemleak-v3-1-88d27f4d8825@gmail.com> In-Reply-To: <20260331-b4-fib6_metric_set-kmemleak-v3-1-88d27f4d8825@gmail.com> To: Hangbin Liu Cc: davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, jiayuan.chen@linux.dev, dsahern@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, feliu@redhat.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Tue, 31 Mar 2026 12:17:18 +0800 you wrote: > fib6_metric_set() may be called concurrently from softirq context without > holding the FIB table lock. A typical path is: > > ndisc_router_discovery() > spin_unlock_bh(&table->tb6_lock) <- lock released > fib6_metric_set(rt, RTAX_HOPLIMIT, ...) <- lockless call > > [...] Here is the summary with links: - [net,v3] ipv6: fix data race in fib6_metric_set() using cmpxchg https://git.kernel.org/netdev/net/c/ffb5a4843c5b You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html