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 X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 33E70C10F0E for ; Thu, 18 Apr 2019 18:00:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 06E6A218A1 for ; Thu, 18 Apr 2019 18:00:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1555610435; bh=E5zyGvqahnmuaohR2tOaMT2eIQuD0k3FyTgVBYP/nFw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=gqdCuGWm/DNWttpeKLwmgCN+IlbhLjpQUq2uCNoJaRYTLZrH5IzRN+m0cazLMFLo8 E8/LsZ1TJHlEUvAush7r9h3zuSFMbW3BTnogCMlnRAD4J4p2/AtrdTozt+x+qoPcFp rA37Zi4pX9V9U6BbvOOBi7B/Gs2429u0EULAHUek= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390386AbfDRSAd (ORCPT ); Thu, 18 Apr 2019 14:00:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:55808 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390357AbfDRSAa (ORCPT ); Thu, 18 Apr 2019 14:00:30 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7706F2186A; Thu, 18 Apr 2019 18:00:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1555610429; bh=E5zyGvqahnmuaohR2tOaMT2eIQuD0k3FyTgVBYP/nFw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=iVlKLl8ebJOvZSawOASV+bt2Dd8q7dDC5JAZS2IpJZWGZ69t0U7VnMQZPRAWuCP62 1NNE+fHL6SqvswnIAbwFu59yb+7qdkefW7hBVL6mOYk1AthyBUqPGdYrJyS/sYMV9I xpzOvD9lIKUVGg5NYin4wav+8RDKmWzYuol2t5GI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Matteo Croce , Borislav Petkov , Linus Torvalds , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Sasha Levin Subject: [PATCH 4.19 026/110] x86/mm: Dont leak kernel addresses Date: Thu, 18 Apr 2019 19:56:15 +0200 Message-Id: <20190418160440.472553519@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190418160437.484158340@linuxfoundation.org> References: <20190418160437.484158340@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [ Upstream commit a3151724437f54076cc10bc02b1c4f0003ae36cd ] Since commit: ad67b74d2469d9b8 ("printk: hash addresses printed with %p") at boot "____ptrval____" is printed instead of actual addresses: found SMP MP-table at [mem 0x000f5cc0-0x000f5ccf] mapped at [(____ptrval____)] Instead of changing the print to "%px", and leaking a kernel addresses, just remove the print completely, like in: 071929dbdd865f77 ("arm64: Stop printing the virtual memory layout"). Signed-off-by: Matteo Croce Cc: Borislav Petkov Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Signed-off-by: Ingo Molnar Signed-off-by: Sasha Levin --- arch/x86/kernel/mpparse.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index f1c5eb99d445..ddb1ca6923b1 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -599,8 +599,8 @@ static int __init smp_scan_config(unsigned long base, unsigned long length) mpf_base = base; mpf_found = true; - pr_info("found SMP MP-table at [mem %#010lx-%#010lx] mapped at [%p]\n", - base, base + sizeof(*mpf) - 1, mpf); + pr_info("found SMP MP-table at [mem %#010lx-%#010lx]\n", + base, base + sizeof(*mpf) - 1); memblock_reserve(base, sizeof(*mpf)); if (mpf->physptr) -- 2.19.1