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 0D9D0282F12; Tue, 28 Apr 2026 09:30:48 +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=1777368649; cv=none; b=UNd4qPaKVFYeRzv0SpAdBMELKAEj6zd0WodBQ0xIo3FetQN+Mg9xvLJbXHFVzMcb3Tg/mAOq9QYUslq7JW69TYG2mYADs9w/vgA6yyEuZ3sFZxx2N/Tl4QNpmyKNQEyyYkNea8MVZjxUXgDYjH0mEiIjzWPuEQmj9sfq6BYGiFY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777368649; c=relaxed/simple; bh=2pwslKpeN/iRQaRc0dF+AWBbRO46umamJewOKVHPoVg=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=s0AJm+eljgJ1SQFyREZzCjNsQ6pZf5AGc398szR5rQ3G5xPJ8hE7f2/f4cSrJhB3wxb9jSTN5vjOf+sPmD1gF89xNao2i0irjJOuv4sNBwk7wWV01gEfWEatLwurCPMN4BID9orwjCjTurCyc15babJlC0LSZbqWdS947QsoqY8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OgZXbprI; 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="OgZXbprI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9ABD4C2BCB6; Tue, 28 Apr 2026 09:30:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777368648; bh=2pwslKpeN/iRQaRc0dF+AWBbRO46umamJewOKVHPoVg=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=OgZXbprItVUneu0OPaDMO5MVnJNJQkKQjpdLGEL2cK4nzDwaiYAxTIKFZS/sNboli YGSXUOise7tnFE+tWv7hSl2aYHeFT1MtS/L/LYHi1TXnKZ/AsTJBOA5ISkHvIzBqnM NwnQ6PzSTpIPF+Qls2LFd2PQCOGV0pr/5H+1DUF6DSOLmia3Et3MrNXUhYYnkHZB5A TJu0FGtAmjZwzMeHXwT9ZUQjYhVveLnvunMxHqmO7xnBxsDAimCvN83/0+S5cAte+Q Jdd+n12SFVe0NQpHaJxbTzOkBhO4CXZ8eN3N3qq19dCKAEXbOkH841KmzaoyEvHy86 Kv0jcAoldxTHA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id BA0B33930189; Tue, 28 Apr 2026 09:30:06 +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] net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177736860530.369431.11395917276925436153.git-patchwork-notify@kernel.org> Date: Tue, 28 Apr 2026 09:30:05 +0000 References: <20260421094735.20997-1-andrea.mayer@uniroma2.it> In-Reply-To: <20260421094735.20997-1-andrea.mayer@uniroma2.it> To: Andrea Mayer Cc: davem@davemloft.net, dsahern@kernel.org, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, bigeasy@linutronix.de, clrkwllms@kernel.org, rostedt@goodmis.org, david.lebrun@uclouvain.be, alex.aring@gmail.com, stefano.salsano@uniroma2.it, netdev@vger.kernel.org, linux-rt-devel@lists.linux.dev, linux-kernel@vger.kernel.org, stable@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : On Tue, 21 Apr 2026 11:47:35 +0200 you wrote: > seg6_input_core() and rpl_input() call ip6_route_input() which sets a > NOREF dst on the skb, then pass it to dst_cache_set_ip6() invoking > dst_hold() unconditionally. > On PREEMPT_RT, ksoftirqd is preemptible and a higher-priority task can > release the underlying pcpu_rt between the lookup and the caching > through a concurrent FIB lookup on a shared nexthop. > Simplified race sequence: > > [...] Here is the summary with links: - [net] net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels https://git.kernel.org/netdev/net/c/f9c52a6ba978 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html