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 739E729D289; Fri, 16 Jan 2026 00:52:15 +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=1768524735; cv=none; b=e06uz84KeawIzBXqj3k7z+4HlvsZ/vXV/p0v5zDGNZ+FNn0aLi39ZewhXF6qSVfAj2VTJS9lygLCTY17FDFkGAVfzo8lx1lvG0oJNli/fZZkRIwKmovpJrAoOcgYGlw1yxBKpdQlS4O+TSUkbcnCQ7yEjfxUtHSnieDOG1JWnPc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768524735; c=relaxed/simple; bh=K60EpeW1OnCTHNDlSQ02tOAQsYSCiDrib7sXMBvJMtE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=O0dVMJa/av9CyWIHpq/V0UK6qc3kA99deGZl//2431163v66GP4OpBDyP7JB9t6bRVG1iSTcRVOn1fk/CIk3xQWm5L6zTIo+A3EvMfs+K0Mg7H3eB4maJZNRpK3Jyw3WIMioFRDkVxOh4tP1DDrgqTqjdflyNwF5TzG7m/K4i2c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tS7E2Pw1; 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="tS7E2Pw1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 07D25C116D0; Fri, 16 Jan 2026 00:52:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768524735; bh=K60EpeW1OnCTHNDlSQ02tOAQsYSCiDrib7sXMBvJMtE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=tS7E2Pw164OqZKCU6eE4nwPSy/8EY2d+tsW2YoRuhLHQMN4zv9n0LyAQaSg665B42 n47GhZ2OKPqw8i9JnS9sVjGDunlaVK47TWkcMr+ZR+nVf1PWDB5KeraSD/GFU505KJ HqG9VM0kQLl/NebDxY/0/dyHW9rx/fN7ScGjWruZ/tE1A+kOwVYZk7+EIZeZU3mCFU ko4Tfcg6bbcZtnF9In/5k+zFkJWg9F/HDSJSX9S153zz5vJaRLz4IHxS5tirvKbdDq HWP+NgdwNYPebutLDfhB9+LFaAhYcgEhejUNAv8YGiT8PslNNj2I0taU5I0ArJgUv/ CzsYnjrrW8MXQ== Date: Thu, 15 Jan 2026 16:52:14 -0800 From: Kees Cook To: Ard Biesheuvel Cc: linux-kernel@vger.kernel.org, Ard Biesheuvel , Nathan Chancellor , Nicolas Schier , linux-kbuild@vger.kernel.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH] kallsyms: Get rid of kallsyms relative base Message-ID: <202601151651.C156DC5D7@keescook> References: <20260115145644.1749948-2-ardb+git@google.com> Precedence: bulk X-Mailing-List: linux-kbuild@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: <20260115145644.1749948-2-ardb+git@google.com> On Thu, Jan 15, 2026 at 03:56:45PM +0100, Ard Biesheuvel wrote: > This makes all entries in the kallsyms_offsets[] array visible as > place-relative references in the ELF metadata, which will be important > when implementing ELF-based fg-kaslr. This makes things a lot simpler. Reviewed-by: Kees Cook -- Kees Cook