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 127711AF4D3; Wed, 21 Aug 2024 14:06:03 +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=1724249164; cv=none; b=dRA1LVpQh7P8LFndfIh7iKGetzMP79JO19BDQy1VNMA/NqWk8LVJtztN333u1++EKYEe2HSO5eqYmuamb3YgZ5u5ZyMYYkKJt26rR/o6UEgibeI+OUgc4e0LFOVZGge6Z1mH5v3pIE97Wd1evNr8P/71yR+roWeJsSzID9Ow2Co= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724249164; c=relaxed/simple; bh=OupUKgDix1Aqr3zi3FS/NJ/qh5GuwXL1qcjGy7ucROc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=PPb5j7Gx6IH4hN862wrBt8uxiX6u9Ct2wVNXc7Sy04/8p37P0fvyoS84v/oejfnhmoUKW4NFLR0Oon+RuRnF1pVXVY452PlwyACvpx8l1q8BkkBmZ0/r9OVxJAEIjU3KTK6MCH+yousqcOCZVXQL0veIyWkyf0Ln+rt8K12Fb/0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=KdGfy99k; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="KdGfy99k" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 19848C32781; Wed, 21 Aug 2024 14:06:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1724249163; bh=OupUKgDix1Aqr3zi3FS/NJ/qh5GuwXL1qcjGy7ucROc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KdGfy99kVEc5kLY88y0BjKR7uoOnoihZLogWULGzyhcMjrDxUKN6MUJ3HltR9/9af IGVFQxQ+zXp9SRQihUjVKPpHubWm6zEo6e1tX0hsmVo7X53u/wjrn/O5i9uAcyV5/i k+kJP3OityZyhIGgFqUnyFFn4YF9NceoMub0eWWo= Date: Wed, 21 Aug 2024 22:06:00 +0800 From: Greg KH To: color Ice Cc: Alan Stern , kvalo@kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, mark.esler@canonical.com, stf_xl@wp.pl, tytso@mit.edu Subject: Re: Ubuntu RT2X00 WIFI USB Driver Kernel NULL pointer Dereference&Use-After-Free Vulnerability Message-ID: <2024082106-flagman-plausible-cb40@gregkh> References: <2024080359-getaway-concave-623e@gregkh> <20240814055816.2786467-1-wirelessdonghack@gmail.com> <91e19cf3-216b-48ac-a93d-f920dd2a7668@rowland.harvard.edu> <2024081946-designate-dioxide-c59d@gregkh> <2024081904-encircle-crayon-8d16@gregkh> Precedence: bulk X-Mailing-List: linux-wireless@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, Aug 21, 2024 at 04:25:36PM +0800, color Ice wrote: > Dear Ubuntu Team, We are not affiliated with Ubuntu at all, sorry. Please be kind. > I have encountered a race condition issue in the RT2X00 driver, > specifically related to the function rt2x00usb_work_rxdone. The issue > manifests as a kernel NULL pointer dereference, which causes the > system to crash. Below is the detailed analysis and my suggestions for > addressing the issue. > > Problem Analysis This mostly looks like it was created with chatgpt or something like that, please do not send us things like that. Again, work with your professor at school who has assigned you this task to complete it, don't force us to do the work for you :) If we get a chance, we'll look at it, but note it's way down the priority list for most of us. thanks, greg k-h