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 5C51518FDC5 for ; Thu, 30 Jan 2025 08:46:43 +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=1738226805; cv=none; b=nljDoq47Iwo9zFfygWRfHuKpl64wbUHAnNSuOdXjFDPMztKsnSfrenzIohWhhoMcr/XRPv+d+qAhzr7u6UliYUCwvja5oqiJoXiBbO0vuo5kZpxs3/eUMr7z+cCvHSE3FGKDYLZvca4MYhYBmyerizeKZYRZF9XoQmze7Uxx+xQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738226805; c=relaxed/simple; bh=i+0pEH8vdZdLgLkMfo0WnFgWkHqPKZZsVB7xLr3PPsc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jcNuhDVVVdfpwjqHN/VuC1z0YH9itqEdGrZrbXoSgaglnLXyV6dZmj7Jw6mOSzlBhwOhxASWXKBpTGV73Ca+jxM0v+6LaI5iwc2q2pMxemuNbLk3S8jTU2ZWnAnDQtTW7Mzm4kOsNz8SiS/VEdAa57DJQqTnLDlimlR1mtLu9FM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=IhmMAeYm; 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="IhmMAeYm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 67900C4CED3; Thu, 30 Jan 2025 08:46:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1738226803; bh=i+0pEH8vdZdLgLkMfo0WnFgWkHqPKZZsVB7xLr3PPsc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=IhmMAeYmy20LbrET0v6oTOZHs1y3bwj/uH+090zLCVlRiklNgSVzESmWjc1lx2oKJ WSlKDHH7pyHDTE3LUdNODfBZUn+ttmBh5LMS3RzzwrW4m3hd+Oklh1rCby/U7YKGYZ vLej688RHTxM4bMTPel4gq7VFXYLkkJRxaYiwL9U= Date: Thu, 30 Jan 2025 09:46:41 +0100 From: Greg KH To: Andrea Ciprietti Cc: stable@vger.kernel.org, tj@kernel.org Subject: Re: [PATCH 1/1] blk-cgroup: Fix UAF in blkcg_unpin_online() Message-ID: <2025013020-carefully-jailbird-640d@gregkh> References: <20250129163637.3420954-2-ciprietti@google.com> <20250129164325.3424666-1-ciprietti@google.com> Precedence: bulk X-Mailing-List: stable@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: <20250129164325.3424666-1-ciprietti@google.com> On Wed, Jan 29, 2025 at 04:43:25PM +0000, Andrea Ciprietti wrote: > Hi, this is a version of commit 86e6ca55b83c ("blk-cgroup: Fix UAF in > blkcg_unpin_online()") adapted for porting to the 5.10 LTS tree. > > The patch fixes CVE-2024-56672. > > Changes with respect to the original commit: > - blkcg_unpin_online() is implemented in linux/blk-cgroup.h. This is already in the 5.10.y queue, but NOT in the 5.15.y queue at all. Can you do this for 5.15.y instead? thanks, greg k-h