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 7E03F1C2424 for ; Thu, 12 Sep 2024 21:11:13 +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=1726175473; cv=none; b=h9S6jd23RNTrJSwqE+PdXxIH+CdWW2A2+o6jFWi7/At7otwnRjm4gZTsPTN6uCOv8jfoSlQeoqRh6yUjXJquH3IiB2/+enjWaUVUyVX2zp50GSQCIfB7PwuI+vHMTq+tQJm6jzyIyn5HVlhC7l97vJ+6eD0ValwH/ePmc6a6KMQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726175473; c=relaxed/simple; bh=ITtjESlHI0SXA+2P/3CDcsDo3L4gats+L7GczHUbsG8=; h=Date:MIME-Version:Content-Type:From:To:Message-ID:In-Reply-To: References:Subject; b=r4rX9lmJ4g63c0DLzOqk91ffW28S4JoONZzhbyo0jEjtVwNklCOEifpQhN43dbDLa2AcS7DRKdsRv1IR4BkSU+HSwZ0kIxvrH3LpEHtbkrBxidb0gGMMcT5Sr+yEfdEJ2rITf7hb4MS0Kxl5r3y5I1Gas9dLQzoCUXGMOh+Nx0E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mUxxF3Rw; 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="mUxxF3Rw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 09043C4CEC3; Thu, 12 Sep 2024 21:11:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1726175473; bh=ITtjESlHI0SXA+2P/3CDcsDo3L4gats+L7GczHUbsG8=; h=Date:From:To:In-Reply-To:References:Subject:From; b=mUxxF3Rwq9XSw0JxIaa+sXDefDIBxqt5r0MC5mFvp/zD+TSK+EJYIUs9g5mrelDPy ne6LBV2MzrXAvYQe1ek4ZFHfS0+iCJS39ilUGutE07+Bh3H7X6BqcysX/LLwMIS3fY xx1pvCDFUritvu8IakreGTEQJdjMWZJ0yUlh1CgnoSg7YL2gDLyaCukEzJgsMJHu3S zXpsa/GJL0hDAxWRvEErXBaIl+HAznycZMoyIZ+aUK4xJW8oeB7IXBCDJ4FpiHQfF8 Abf8NIZpFjk4pt0y+JwWcBMe2sZXsEzF/Uk+NhjjcwT/pewt8khOuI1gBCXMpchwMU XlnaImMsxlaUQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 345D13806644; Thu, 12 Sep 2024 21:11:15 +0000 (UTC) Date: Thu, 12 Sep 2024 21:10:12 +0000 Precedence: bulk X-Mailing-List: bugs@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Bugspray Bot To: akpm@linux-foundation.org, bugs@lists.linux.dev, linux-mm@kvack.org Message-ID: <20240912-b219227c3-87abdf6b9363@bugzilla.kernel.org> In-Reply-To: <20240912-b219227c0-78bee9e213fc@bugzilla.kernel.org> References: <20240912-b219227c0-78bee9e213fc@bugzilla.kernel.org> Subject: Re: MDWE does not prevent read-only, executable, shared memory regions to be updated by backing file writes X-Bugzilla-Product: Linux X-Bugzilla-Component: Kernel X-Mailer: bugspray 0.1-dev alip writes via Kernel.org Bugzilla: FTR, same PoC works on HardenedBSD, who have their own PaX implementation, even with private mappings: https://git.hardenedbsd.org/hardenedbsd/HardenedBSD/-/issues/107 View: https://bugzilla.kernel.org/show_bug.cgi?id=219227#c3 You can reply to this message to join the discussion. -- Deet-doot-dot, I am a bot. Kernel.org Bugzilla (bugspray 0.1-dev)