From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id D06D5EEE25C for ; Thu, 12 Sep 2024 21:11:16 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6A03B6B0092; Thu, 12 Sep 2024 17:11:16 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 629316B0093; Thu, 12 Sep 2024 17:11:16 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4CA156B0095; Thu, 12 Sep 2024 17:11:16 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 2DDDD6B0092 for ; Thu, 12 Sep 2024 17:11:16 -0400 (EDT) Received: from smtpin26.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id A6893A9D2A for ; Thu, 12 Sep 2024 21:11:15 +0000 (UTC) X-FDA: 82557331710.26.C9E6909 Received: from nyc.source.kernel.org (nyc.source.kernel.org [147.75.193.91]) by imf03.hostedemail.com (Postfix) with ESMTP id F380920012 for ; Thu, 12 Sep 2024 21:11:13 +0000 (UTC) Authentication-Results: imf03.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=mUxxF3Rw; spf=pass (imf03.hostedemail.com: domain of bugbot@kernel.org designates 147.75.193.91 as permitted sender) smtp.mailfrom=bugbot@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1726175333; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=ZzJVZ9g4jZosFpYfuq90AKiIgCdWjrY90v66KpMTiKQ=; b=mcx3GZmDDnKNrunnpvGCelmhZ6c1D4ShOEzaTgLK481YipPm/wugH2GSiay3uZgaixtYhD g4KmosjInHbNO3PfcKBy3j25MmajHwKGGtonaEv7n0lLntJ54ETPN6FS2P1X5klk2Vp9hK WCTZGJnM8Rrvt4/ODEvfbX4J9YDzRxg= ARC-Authentication-Results: i=1; imf03.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=mUxxF3Rw; spf=pass (imf03.hostedemail.com: domain of bugbot@kernel.org designates 147.75.193.91 as permitted sender) smtp.mailfrom=bugbot@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1726175333; a=rsa-sha256; cv=none; b=y05S5lNIDh/esttL3gyxJscmhcOczrSpeKBbF/RK4NOFNxMBCArjPKJuar9Hvfl1Z0cTcB //A2Le4l0Nj3HqRaVjI2RbwNba9Q/uin+IJG1xeMUE0ZQmLVQ6MWeOkau5PyrsGRtV4+yO cggF5kc3KiTW+0JXOSGaiK2IUlsz7WY= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id AD843A45864; Thu, 12 Sep 2024 21:11:05 +0000 (UTC) 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 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 X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: F380920012 X-Stat-Signature: niasyjf61eciidkj65a1ey5qebq48roa X-Rspam-User: X-HE-Tag: 1726175473-139317 X-HE-Meta: U2FsdGVkX19EzB5IMHo+4MA6UhGy/HkWkh17YYC3jhvPibM/RbwOVBaGqv19u4Si/XcU9GQ4sBSF88Qn4BpfGKsYdRFnjHCyV5/NOGrP5m6GQMwomhW53U1Z6FO4+GOs1dutKacdJnN/8azb1tM2ThoCn+4dhI+1KyYT42SBKBhD7aFjvOBJ4lUOa/YSPkbZM19BwpjQ01GVv8G3U2vGu7ur+r0aY64gcvYspmB+k670AYI4U38OSkIIHqvcf37Wxk/1d5/8vueWtI1/YVHpWiVTdSjXW43jWKCn6nXSA5yjGpPsBpiOfZjvwAJICbdO+et8RPyZhI8XDZHEwt1IYl+ruc3UEn8d8/Z6i7jMwY6epdF76PEHZnL3U/WMGcMvj80ZrlfW1y3Z7QmI9zHSdosrURO/PYfML+NO5RamcMe/yvTZAX0iMYaNsMmIDd5qeCk98LcU3+JALLOEaccxnfdy8rRdX8XTZVg/5qxo6sZh1aeqCK/eCHiBWytqfeBTPtV9/beVI2sTEUO+Iuo+ESx5aFhG1uzLC5TwKRYAiLoGa+WhdZaQbIGd8o6vekuFVqfSivtZ4rez53oP57UOA8VODGjPuQelg0IxUuAGauLh2XysQi3rQegINakFN2yFd6U6T2YmOcj2PXJ/E+i1amFrqiX0xDXPQnEw9tvYSuf/WYKqqW8Q4TEhcdjO+caiFG9OLB55o5aGz6RVqCbalYxfzZ52Piy1Fr3kl2wPUQIv3rTDVc1kfl+UopmzqnUYfpb2tJlCW+/Ft7K0c6vN0zJ7Xesquhb3t7NJJpBAK+ZDK1ezmSHqfev7QSQxZGCIGO2fI6/xGgoVe0eI3lSCrvrP2y/t6/kXA4AtMYldoydHKIbSYL+IBeJIYUrUpBHOZOocd7LUON1lBeUTzFUUEjGf1XnwQVwJU5Q7490TSKZ0LhPchalSMNrBvx5k7Wz9/KKHBR1VMwscFLWh/ea r2kZ/NIV 0K48y0p/LIZ15SvSj/z1gchYcmA+ukh0qeMTXvKhF4YoafQ22wfDv3evRMnhz8AHj+1NShCC+bViSCVULkPO5Z7B05VxVvTvWKlNeIC1t427dp4cLBxbohsUwK5Z8sTS4RDTuzdDfT3kfhuqv8x9sdoy2Y+as5G2y4Zqa0h1Gd/NdiWSjZEs93gExRFPB/Z8xV1W9zTw8E3QHYK4khOZCvCjPpHadKbQ/cGMrqTv1/D+Ragv304Ec9xajkVSGTy9J5G8O8Uo0oQzYpMomH8Ss9dsPqfObO8IYL8+vjQwhOYuBFWU2/Kbg+NX9GAyOSZYVsnYRb54gE6vfKlo= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000006, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: 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)