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 B40FC366826 for ; Wed, 1 Jul 2026 05:41:38 +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=1782884499; cv=none; b=jtEOr4kqEEl5+paIz2PK7MSftZw+RIAm2ZedLwp/AmdGakS3iSY5R4GILlM1vYBffbaiXOR7/IRLMdsB+JBwA8/FHkZANbdp4Gn7JGQ06PZEbOlJjM91vS+Em6bVKRGY3iHJ73WgnLWRYkZCLx9rJk0o4e3p07wlvXFG8jGEG/w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782884499; c=relaxed/simple; bh=E2I44WfCc6kk1Fm/mx5dyiv4p08m74Be+ff88AJ14OI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=bHvbuOQZNa1GHTQPE6m9bhZmocZkXtjndFLH8Drjz8ePUT36VC8gdbUXQLJNP8AQD82mg7ObsXwD2K6F2+to3y5d7iYz92GKcuEWK9+GbrN/w1o1UbQWxpGofqJpKDkWcYy3U2kfJNYGwNcY99ttOyaGLNp3d8a05/qS3zwKLvk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=y2NRLxd4; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="y2NRLxd4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DF3741F000E9; Wed, 1 Jul 2026 05:41:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1782884498; bh=qPKnJszQnFMHYOyI3ZMCouAwIrw+nrG93L4HujRnNq0=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=y2NRLxd42B8Zaygki+VcKCJCqrTbV9hpeL7QmxS7F+084TGQjteaBL7QmUJu+1pPg cPNyZDfGPi8LF/I4GZsQHI9Mo3dgGd3XvIkTihiZ7vjgZTi7aUmINSqI12VyjZ+obN 5omDJuQUQDZq9l/5LbYwgpLmRQpQw25feCPk9PoA= Date: Wed, 1 Jul 2026 07:41:34 +0200 From: Greg KH To: Pei Xiao Cc: vaibhavgupta40@gmail.com, jens.taprogge@taprogge.org, kees@kernel.org, industrypack-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Shuangpeng Bai Subject: Re: [PATCH 0/2] ipack: ipoctal: fix races and UAFs during module removal Message-ID: <2026070152-recycled-outcast-3060@gregkh> 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-Disposition: inline In-Reply-To: On Wed, Jul 01, 2026 at 10:01:08AM +0800, Pei Xiao wrote: > When the ipoctal device is removed while a userspace process still > holds a tty fd open, several races and use-after-free bugs can be > triggered. This series addresses the following issues: Cool, but why remove the module at all? And do you have this hardware to test with? thanks, greg k-h