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=-8.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 93456C43331 for ; Thu, 26 Mar 2020 12:06:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 72EB320714 for ; Thu, 26 Mar 2020 12:06:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728263AbgCZMGl (ORCPT ); Thu, 26 Mar 2020 08:06:41 -0400 Received: from bilbo.ozlabs.org ([203.11.71.1]:42785 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727948AbgCZMGl (ORCPT ); Thu, 26 Mar 2020 08:06:41 -0400 Received: by ozlabs.org (Postfix, from userid 1034) id 48p3cb04HBz9sSV; Thu, 26 Mar 2020 23:06:38 +1100 (AEDT) X-powerpc-patch-notification: thanks X-powerpc-patch-commit: af92bad615be75c6c0d1b1c5b48178360250a187 In-Reply-To: <4e7b56865e01569058914c991143f5961b5d4719.1583507333.git.christophe.leroy@c-s.fr> To: Christophe Leroy , Benjamin Herrenschmidt , Paul Mackerras From: Michael Ellerman Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] powerpc/kasan: Fix kasan_remap_early_shadow_ro() Message-Id: <48p3cb04HBz9sSV@ozlabs.org> Date: Thu, 26 Mar 2020 23:06:38 +1100 (AEDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2020-03-06 at 15:09:40 UTC, Christophe Leroy wrote: > At the moment kasan_remap_early_shadow_ro() does nothing, because > k_end is 0 and k_cur < 0 is always true. > > Change the test to k_cur != k_end, as done in > kasan_init_shadow_page_tables() > > Signed-off-by: Christophe Leroy > Fixes: cbd18991e24f ("powerpc/mm: Fix an Oops in kasan_mmu_init()") > Cc: stable@vger.kernel.org Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/af92bad615be75c6c0d1b1c5b48178360250a187 cheers