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 C465145C71D for ; Thu, 24 Sep 2026 16:51:18 +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=1790268679; cv=none; b=WqdbYAgUGCFdkM0A1pBa0zOQ0KjWYSHkMq6P6Lgot6YYU3L+/QELcLymza/mKVPMnx5mY6m0binWSGgNmSE4ctApy2nkwpe7im3kwGMQXuNccUHaVv9gzZakFOK1ABkXK1VfZ/bxcw1iYLT7sbPnDfUcIiL3bzkgPEWD+uqSKIM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790268679; c=relaxed/simple; bh=ceOHn48+m0/bVnlZZpB1bPOFVDZ5B5WjQV1nzvn/dy8=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=Lc/oVLMS27zMNgwqm5G8dwhrCIBefJBfjkmr4wGtK1H/c3INJKwJNQQcRXRiAQs34jN1aMsn8UdLScci5kXEI1uXJAuHbzXj/oSmovnHSZSMWuvzEh33t3yLRRJV+yN0EeAW7IID8W61vO0JuZyjuhmFJTj4ay25T6aDhh03BYE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WgE9Zn+p; 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="WgE9Zn+p" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9F8941F000FF; Thu, 24 Sep 2026 16:51:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790268678; bh=AYizv7cZ61GKnfZoPyKBTURH3GgxK75BBU1PJZXqZA8=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=WgE9Zn+pYR27Rh29e2pXBDBv7sTOC+obMHHCfLsubcIt8MO8y1nWCCyrXa3YuuEgK h9IQKt+YleDK0EU7EeYB7t3VlakmcABdbDAc7YyOxHpXydjA2gsjqvawbfPnb8n+re ihCnZYOLTi+zkf5GEowkRubwfwEXeKVPZDQd4VvV62jdVzPCgdy769iIXx80Jf0GNC GGUR1YPCxAiUEqVMcy0kFD1vTmhOjOA6rl411XL7YbE1p0+MGtpGrbqVwXSgDlJuHz H9AfPNzvOOikclV/ryt3czUoquCJxewd62/olvEWllP6VxPjSGeP8yuSO4c7SdCHMa KOlK4jwacm8TQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id D0A0E3A566CE; Thu, 24 Sep 2026 16:50:08 +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] net: libwx: fix races in Tx timestamp handling From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179026860739.1650423.11536566260145832868.git-patchwork-notify@kernel.org> Date: Thu, 24 Sep 2026 16:50:07 +0000 References: <77431AF9A0E369F3+20260921071549.1141804-1-jiawenwu@trustnetic.com> In-Reply-To: <77431AF9A0E369F3+20260921071549.1141804-1-jiawenwu@trustnetic.com> To: Jiawen Wu Cc: netdev@vger.kernel.org, mengyuanlou@net-swift.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, richardcochran@gmail.com, jacob.e.keller@intel.com, kees@kernel.org, aleksandr.loktionov@intel.com, vadim.fedorenko@linux.dev, sashiko-bot@kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Mon, 21 Sep 2026 15:15:49 +0800 you wrote: > wx->ptp_tx_skb is shared between the Tx path, the PTP auxiliary > worker and the timestamp cleanup paths. The > WX_STATE_PTP_TX_IN_PROGRESS bit prevents multiple Tx paths from > submitting timestamp requests, but does not serialize the worker > against cleanup. > > As a result, wx_ptp_clear_tx_timestamp() can free an skb after > wx_ptp_tx_hwtstamp_work() has obtained its pointer. The worker may > then pass the freed skb to skb_tstamp_tx() and release the same > reference again. > > [...] Here is the summary with links: - [net,v3] net: libwx: fix races in Tx timestamp handling https://git.kernel.org/netdev/net/c/3173cba11701 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html