From mboxrd@z Thu Jan 1 00:00:00 1970 From: Borislav Petkov Subject: Re: [PATCH 28/29] x86/mm: Report actual image regions in /proc/iomem Date: Thu, 10 Oct 2019 20:00:08 +0200 Message-ID: <20191010180008.GH7658@zn.tnic> References: <20190926175602.33098-1-keescook@chromium.org> <20190926175602.33098-29-keescook@chromium.org> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1570730415; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=Xe1SX//dDoWeX+ij/nDraOaVSkSMgvg4F8+xxebszBM=; b=ho8GObx8x8ogaRx5uJLjl31cqJAZGDuZNy/gKli2vkRXyewbGzasCVSSCyhDoQQwLUSAdB 6Ch+ilhWD9WU/Q44lP40VOutBHAqCxDcNCYXoLlw0x0BYwbf3EhUuehrKk4qWbR8joF/Uh MKxwSv/3EwfqYFCfTb6K2+9UEj5t1ns= Content-Disposition: inline In-Reply-To: <20190926175602.33098-29-keescook@chromium.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Kees Cook Cc: Thomas Gleixner , Rick Edgecombe , Ingo Molnar , "H. Peter Anvin" , Dave Hansen , Andy Lutomirski , Arnd Bergmann , linux-arch@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-s390@vger.kernel.org, linux-c6x-dev@linux-c6x.org, Yoshinori Sato , Michal Simek , linux-parisc@vger.kernel.org, linux-xtensa@linux-xtensa.org, x86@kernel.org, linux-kernel@vger.kernel.org On Thu, Sep 26, 2019 at 10:56:01AM -0700, Kees Cook wrote: > The resource reservations in made for the kernel image did not reflect ^ /proc/iomem > the gaps between text, rodata, and data. This adds the rodata resource s/This adds/Add/ > and updates the start/end calculations to match the respective calls to s/updates/update/ > free_kernel_image_pages(). > > Before (booted with "nokaslr" for easier comparison): ... -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette