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 EDFF839FD9; Wed, 5 Mar 2025 03:29:11 +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=1741145352; cv=none; b=oA3cDj8ChplXRf0Mkh7sC1zHeMSkDPgPJSP7LIWRTXPwXjlBjVMOZWXIB2itCrcLvSG94kSQESfKarqBgEV/Bhnc/25ihnwZiAtDwWfVs05KLS0n1fyYmuZQL1oo4Q7H9ol+abBlBYlqHESyxlXiLbAVcQuHdv8O/NsygUsLePw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741145352; c=relaxed/simple; bh=+S4iuBOJYh55augYKatEX6mo1z6YwMs35a2/LOsxfbc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=B96Wy+WI0bwGclZ4+88Cik5nMHx1RK/jIhh/vuJvJ5g0oXVqclxR5vC58QV09w59JUs6G4ltFkJHTBQt5HdPi0hfhYfUlDK9Si/uc5yZ+YIlMBJM2iYGmGBrtCFysk1z2hRZEkZCENUlXil6wsd9eAU1JTv7TRN17DKjWdtRlxc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NsN9q9aH; 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="NsN9q9aH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4EA73C4CEE5; Wed, 5 Mar 2025 03:29:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741145351; bh=+S4iuBOJYh55augYKatEX6mo1z6YwMs35a2/LOsxfbc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NsN9q9aHJUoia2MQpP6sRCtEIu27csfGtxtvg+9vHeDYuT7wu29R13dmPW/BNfzEr 787j84T0lJAUVbtkRg2KD7ZGXW5q89cdxxvYXHQNJsM6mB+WuWV7z5umifd7mLxtSC NZ0QRSKmvUzCPy2rOmf9L0fr05tm+WZt/Dp8A0pDn9R12oU7hKBDg6ZJCCfEtdnAiO Lb3ufkBy1JcnQiF91HZw8FLGDpq6hVWQkZn1x6RlGCCo3mdKiVbsaNoUgMGCpTyqQA tcXmwIX9YzitvHKgx00sQIR8fTTu9gIHY/RtbMx4iMsBObsE+aCLuuypztdAU7ZdOc agv2j0PZXtoQw== Date: Tue, 4 Mar 2025 19:29:07 -0800 From: Kees Cook To: jeffxu@chromium.org Cc: akpm@linux-foundation.org, jannh@google.com, torvalds@linux-foundation.org, vbabka@suse.cz, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, adhemerval.zanella@linaro.org, oleg@redhat.com, avagin@gmail.com, benjamin@sipsolutions.net, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, jorgelo@chromium.org, sroettger@google.com, hch@lst.de, ojeda@kernel.org, thomas.weissschuh@linutronix.de, adobriyan@gmail.com, johannes@sipsolutions.net, pedro.falcato@gmail.com, hca@linux.ibm.com, willy@infradead.org, anna-maria@linutronix.de, mark.rutland@arm.com, linus.walleij@linaro.org, Jason@zx2c4.com, deller@gmx.de, rdunlap@infradead.org, davem@davemloft.net, peterx@redhat.com, f.fainelli@gmail.com, gerg@kernel.org, dave.hansen@linux.intel.com, mingo@kernel.org, ardb@kernel.org, mhocko@suse.com, 42.hyeyoo@gmail.com, peterz@infradead.org, ardb@google.com, enh@google.com, rientjes@google.com, groeck@chromium.org, mpe@ellerman.id.au, aleksandr.mikhalitsyn@canonical.com, mike.rapoport@gmail.com Subject: Re: [PATCH v9 7/7] selftest: test system mappings are sealed. Message-ID: <202503041928.777F92024E@keescook> References: <20250305021711.3867874-1-jeffxu@google.com> <20250305021711.3867874-8-jeffxu@google.com> Precedence: bulk X-Mailing-List: linux-kselftest@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: <20250305021711.3867874-8-jeffxu@google.com> On Wed, Mar 05, 2025 at 02:17:11AM +0000, jeffxu@chromium.org wrote: > From: Jeff Xu > > Add sysmap_is_sealed.c to test system mappings are sealed. > > Note: CONFIG_MSEAL_SYSTEM_MAPPINGS must be set, as indicated in > config file. > > Signed-off-by: Jeff Xu Great! Thanks for the negative test addition. :) Reviewed-by: Kees Cook -- Kees Cook