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 295D5184; Fri, 30 May 2025 00:16:41 +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=1748564203; cv=none; b=VAus7Y+X7MHqjN6hNJWShToGEUSZEe4l10jlzxLdw7ExHjcEQEy+fbOvHI80SdNqzXfd7siMK4UvldK9I3IBRvW7O01aQETyDYUcnr4N5WLttabJxfOZ6YhnAT1yGKOYl3gCC0RzxzN7sSBBnnA/r3IUpYPXHptDhNO7FRRjiBs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748564203; c=relaxed/simple; bh=moLDOQjJyL3fO6Wf/7ZQqvgVhiJmnI73vJU9DS5AoYc=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=sILEJIh4mXrvw0gnTaZmNB63oA/wNC+0+0Pp3HEG61F5uuVIKqPHkrr4hb1ZI+5vcdxbwRLVUI7nfWHvBnONBMOOvTsljL19UrAgxeB/kN/M1JfHuTZDEE8yuGo328oNt9dEgFYtfkx3c61gNhBL3s7+10FK6HNozcubUEAaFEA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lqyHFQYD; 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="lqyHFQYD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2FC94C4CEEB; Fri, 30 May 2025 00:16:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1748564201; bh=moLDOQjJyL3fO6Wf/7ZQqvgVhiJmnI73vJU9DS5AoYc=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=lqyHFQYDTZ7+9f/9Qak7jwdvVIOTiQx52AYvic/dq3DiEK8ZvKaqWmDJa2Wd3qpM1 SwI/mKZOYqgJb2Qx6mZhMKa0/3+VLmvvo3+9tZAGulX4OrN7fMgm91nlqPwlfG8EqN /LwwBFoAi93qp8OtEjwGzBvnVn26MBVooVyQ/8MG7b14GNSSLf9jYkuw/hoYDd4HKq A8k7yobtEII9etheV72fIPR86rwlQ35EkLnR7AqDyh7HxBBDjp8t2kwMvkZuxy/6nt bMc4nyUnV3lCRyL6XblIfNzIAtUIknnH1thJMeDV891N7JApiUwiUCDFn6I8s8h6cV zp6Mo4GI/rSQg== Date: Thu, 29 May 2025 17:16:40 -0700 From: Jakub Kicinski To: Joe Damato Cc: Jacob Keller , John , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [Bug] "possible deadlock in rtnl_newlink" in Linux kernel v6.13 Message-ID: <20250529171640.54f1ecc6@kernel.org> In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 29 May 2025 16:50:17 -0700 Joe Damato wrote: > @@ -1262,6 +1258,11 @@ static void e1000_remove(struct pci_dev *pdev) > bool disable_dev; > > e1000_down_and_stop(adapter); > + > + /* Only kill reset task if adapter is not resetting */ > + if (!test_bit(__E1000_RESETTING, &adapter->flags)) > + cancel_work_sync(&adapter->reset_task); > + > e1000_release_manageability(adapter); > > unregister_netdev(netdev); LGTM, FWIW. For extra points you can move it after the unregister_netdev(), the existing code cancels the work but netdev may still be up and kick it back in..