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 73A715158A8; Thu, 15 Oct 2026 10:40:26 +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=1792060827; cv=none; b=eV8YrA7O98Pa5ZxIRwQyhgUmKBE+Nnl1nKwkGFlYk7KrjLykX1nnnRLS7cMxWwJ1d702y9GmGa/DygL2n3Zey9Pk6+hVnydE+2otOdFC+3CVWA+2bD5qSDmtvzTkjom02FTXhlEp+LGR9zmFoG9tBSz1F3Fiios1gEyhJw3fzN8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792060827; c=relaxed/simple; bh=enB60hlE4h/ZjQI+sb6pI/zh7W1GTcOFQR40B5mb3UQ=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=UXbslH8AKLsk/TFbnjeu60b9w9CuzAXYAeRn/EeR4PAvJSo1/aSWXew7JGr7GT0x0q+ZxUMKzslZilqzZlOkjY7KIDQ513uNt/DAQJUcP5XfdKXvl3l30UGQZ7k4tX9SmI4gguX/3katptB7KJ2fgbpwfbrB1jLW/ZW+0qMLo0s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=RgU/Tl3w; 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="RgU/Tl3w" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 496021F000C6; Thu, 15 Oct 2026 10:40:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792060826; bh=KbbkmuxduT7XfcUWCC2aKsI7Khe57nLKdZ8AH8YUSVQ=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=RgU/Tl3wgMe1HOLAuHJfw92bIhh6ygNByt8tACPfJEujJ9ZHytsFKtlnuFBWd3MYG q1OFdgyIDgepVtQ2L/ni2914azSAKRrr3XSZGzrL4cVjSgal88VgiNQvKy9RP6XMD/ 1ptAKoVXq0XtQRx6faNF7r9Cpoz85la72vzn5dOI37R6HdbcJA3K6Z9IyAHHmZsaHl +ZuF9Zqeo2PFQfqIS7wo02Gq68DjaVDbS0I1J6WCxYoZYbzyx5oJ5pGH0QNZECbwP+ Idohp87NAb9IXSXLiR1Y1u3HrRGmhZmPBy93v1u3mRaeWaH6wZ+CZzqRbKiVJTuTEc BHUUx0+FZwhoA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 3A23D392EA58; Thu, 15 Oct 2026 10:40:26 +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] wwan: wwan_hwsim: Pin module for debugfs file operations From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179206082476.3345829.11602787441325035331.git-patchwork-notify@kernel.org> Date: Thu, 15 Oct 2026 10:40:24 +0000 References: <20261008130753.313875-1-dungvn2345@gmail.com> In-Reply-To: <20261008130753.313875-1-dungvn2345@gmail.com> To: Bui Viet Dung Cc: loic.poulain@oss.qualcomm.com, ryazanov.s.a@gmail.com, johannes@sipsolutions.net, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@kernel.org, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (main) by Paolo Abeni : On Thu, 8 Oct 2026 20:07:53 +0700 you wrote: > An open debugfs file retains its file_operations pointer in the > debugfs proxy state. However, wwan_hwsim_debugfs_portdestroy_fops, > wwan_hwsim_debugfs_portcreate_fops, wwan_hwsim_debugfs_devdestroy_fops, > and wwan_hwsim_debugfs_devcreate_fops in wwan_hwsim.c have no > .owner set to THIS_MODULE. > > As a result, full_proxy_open_regular() calls fops_get() which succeeds > without taking a reference to the wwan_hwsim module. When a userspace > process opens any of these debugfs files, a subsequent module unload > (rmmod wwan_hwsim) can succeed while the file descriptor remains open. > > [...] Here is the summary with links: - wwan: wwan_hwsim: Pin module for debugfs file operations https://git.kernel.org/netdev/net-next/c/a388f17e23b7 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html