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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D4B03C433EF for ; Sat, 25 Dec 2021 11:57:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231544AbhLYL5E (ORCPT ); Sat, 25 Dec 2021 06:57:04 -0500 Received: from szxga02-in.huawei.com ([45.249.212.188]:29287 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229734AbhLYL5D (ORCPT ); Sat, 25 Dec 2021 06:57:03 -0500 Received: from dggpemm500024.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4JLj834bjHzbjRx; Sat, 25 Dec 2021 19:56:35 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggpemm500024.china.huawei.com (7.185.36.203) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Sat, 25 Dec 2021 19:57:01 +0800 Received: from localhost.localdomain.localdomain (10.175.113.25) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Sat, 25 Dec 2021 19:57:00 +0800 From: Kefeng Wang To: Kees Cook , Laura Abbott , "Mark Rutland" , , Andrew Morton , , Michael Ellerman , Benjamin Herrenschmidt , "Paul Mackerras" , CC: Nicholas Piggin , Kefeng Wang Subject: [PATCH v2 0/2] mm: Fix kernel BUG in __check_heap_object() on PowerPC64 Date: Sat, 25 Dec 2021 20:06:19 +0800 Message-ID: <20211225120621.13908-1-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.113.25] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org v2: - Fix powerpc virt_addr_valid() instead of workaround in check_heap_object(), suggested by Christophe and Nicholas - Add WARN_ON in check_heap_object() incase of virt_addr_valid is insufficient on some archs Kefeng Wang (2): powerpc: Fix virt_addr_valid() check mm: usercopy: Warn vmalloc/module address in check_heap_object() arch/powerpc/include/asm/page.h | 5 ++++- mm/usercopy.c | 2 ++ 2 files changed, 6 insertions(+), 1 deletion(-) -- 2.26.2