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 93E4424A076; Wed, 11 Mar 2026 02:40:09 +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=1773196809; cv=none; b=sbmP8p9q8KK2jcEavJJGK+q9mRq4nWhVdrtn6tjWzb80PUkKRx7WC/GLmvy7q5MKtFTCEfmltMsVfsJIdTvsvoP/MlwViFtc61aeQF+btuD7QnVaY5nH//BZTX4y8E6uconfTT/CCOQhJC63yscNv+Ib+LXHdALXQFDyrGfu8Sw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773196809; c=relaxed/simple; bh=Ucx5TIv2w1wnhufdoMWg7B8yvrx7FLI81e377GXvYnI=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=nMkmnuZtt6ei8agXK6aNzPF+2RRMXKmqw/zWpbesWIP9IPt6j9b+YCbaCjrwaF4or2aOcQ0V8RkNX713L0C5ZlN9AwrZCkcPOB3jty0uQ7UKMo9RsQ5AZPYh9ftDoUnhVoENUKKV2VH5fzBqur3TsCRpgvxjjnBu1T5/sNBLdPw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ptmo5TZ7; 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="Ptmo5TZ7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2385CC19423; Wed, 11 Mar 2026 02:40:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773196809; bh=Ucx5TIv2w1wnhufdoMWg7B8yvrx7FLI81e377GXvYnI=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=Ptmo5TZ78pjESmi8tgLeDaqIHI/RdVGlNsnkJ9D0t6SRYLBoB1OTAmVDyW0VRiu+b HX4ZxLGRzCacasgybVASodGPbFqZtnwqPcH0bxsVns9y+odX61qS3ffhDDXPsIL6ia I4TwWiS7dTBNYifyErJ9L3GVm2OY4b03nAbV2ZDDNOvJcsyp5Hk+bxpmwWuQ8CUaDb ouv5ehIZEESgMesx97/x0pW+hPt7W0CloX96FPoeCNl8ZWnDoRGu39Am9HPdLg5dDs lx+p0J9udo4YKxcJwQo0Q3O5s6zm+gl8fJwuRxmTkRBjgh/Onmzu8B5J/vBRQNsX4V KU4lRAZEWoPMA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id B9F2D3808200; Wed, 11 Mar 2026 02:40:06 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net 1/2] net-shapers: clear hierarchy pointer and defer flush frees with RCU From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177319680555.3014711.8321881589100718655.git-patchwork-notify@kernel.org> Date: Wed, 11 Mar 2026 02:40:05 +0000 References: <20260309173450.538026-1-p@1g4.org> In-Reply-To: <20260309173450.538026-1-p@1g4.org> To: Paul Moses Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, jiri@resnulli.us, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Hello: This series was applied to netdev/net.git (main) by Jakub Kicinski : On Mon, 09 Mar 2026 17:35:06 +0000 you wrote: > net_shaper_lookup() and the GET dump path traverse shaper state > under rcu_read_lock() without taking the shaper lock. During > teardown, net_shaper_flush() freed both the shapers and the > hierarchy with kfree(), but netdev->net_shaper_hierarchy still > pointed at the freed hierarchy. > > This lets GET readers race netdevice teardown and walk freed > xarray state or freed shaper objects. > > [...] Here is the summary with links: - [net,1/2] net-shapers: clear hierarchy pointer and defer flush frees with RCU (no matching commit) - [net,2/2] net-shapers: don't free reply skb after genlmsg_reply() https://git.kernel.org/netdev/net/c/57885276cc16 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html