From patchwork Fri Feb 8 17:35:15 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Will Deacon X-Patchwork-Id: 10803587 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8CA2113BF for ; Fri, 8 Feb 2019 17:52:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7CB112EA69 for ; Fri, 8 Feb 2019 17:52:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 715BE2ECE1; Fri, 8 Feb 2019 17:52:50 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E0DC02ECBD for ; Fri, 8 Feb 2019 17:52:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Subject:To:From :Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=BRcU7PDAauBg9ieyIWu+xs6fiiYoZlxQHkxQVU+Ziig=; b=n4nneqPu3HYEMg 7uSXhqLm1Yryb1QUuk92MQWFTCjA42ssxgK4k4EVlg5Ngg1EqhH2ruYTS43a0L9q/zhXOsNu2fxOn hbtbbZSc3WSY6sG3pqkGse9vTM/QxPdPbX62g6SoCKGu3a/WKmSg8cVKsFHu8Ua8YP9EVi0+kl5ax vEZ1y7zeiaAmY8iwz6dPDImoRrFOI9fNuZqkDhQTKfdEqKI9oYYp7hs6pLrKF9Qfpz2KcfOfmm9Lt eNJLlvdMnhZVRZzw+aNFV+PZzdIvfflUa3eIRhcI8xPzgseXP80BsIKouHfXGMaLEhA79ZwQjlcHA cIFuCMs3wguzUQyPlrPg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gsAKU-0005gn-1a; Fri, 08 Feb 2019 17:52:46 +0000 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70] helo=foss.arm.com) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gsA3i-0007Bn-2x for linux-arm-kernel@lists.infradead.org; Fri, 08 Feb 2019 17:35:49 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 23AF880D; Fri, 8 Feb 2019 09:35:19 -0800 (PST) Received: from fuggles.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 37D793F719; Fri, 8 Feb 2019 09:35:18 -0800 (PST) Date: Fri, 8 Feb 2019 17:35:15 +0000 From: Will Deacon To: torvalds@linux-foundation.org Subject: [GIT PULL] arm64: fixes for -rc6 Message-ID: <20190208173515.GC24375@fuggles.cambridge.arm.com> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.11.1+86 (6f28e57d73f2) () X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190208_093527_103643_31A0A748 X-CRM114-Status: GOOD ( 12.26 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: catalin.marinas@arm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Hi Linus, Please pull these two arm64 fixes for -rc6. They resolve a kernel NULL dereference in kexec and bogus kernel page table dumping when userspace is configured for 52-bit virtual addressing. Cheers, Will --->8 The following changes since commit 8834f5600cf3c8db365e18a3d5cac2c2780c81e5: Linux 5.0-rc5 (2019-02-03 13:48:04 -0800) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git tags/arm64-fixes for you to fetch changes up to ea5736805190e912903c27c9f17c7a4341a405e9: arm64: kexec_file: handle empty command-line (2019-02-05 09:34:49 +0000) ---------------------------------------------------------------- arm64 fixes for -rc6 - Fix kernel oops when attemping kexec_file() with a NULL cmdline - Fix page table output in debugfs when CONFIG_ARM64_USER_VA_BITS_52=y ---------------------------------------------------------------- Jean-Philippe Brucker (1): arm64: kexec_file: handle empty command-line Will Deacon (1): arm64: ptdump: Don't iterate kernel page tables using PTRS_PER_PXX arch/arm64/kernel/machine_kexec_file.c | 4 ++- arch/arm64/mm/dump.c | 59 +++++++++++++++++----------------- 2 files changed, 32 insertions(+), 31 deletions(-)