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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, 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 B3953C2BA19 for ; Wed, 15 Apr 2020 13:18:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 92FD021556 for ; Wed, 15 Apr 2020 13:18:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586956739; bh=avnEW3DG7eIxlR0GDD8gaUMBb0lQVPswNjkgJeMyMOI=; h=Subject:To:Cc:From:Date:List-ID:From; b=fzfiv26ZM/oOyOyQk3cabU/pzBPw6cEJ4WbUFdjMuIYUu0ZJysnzgxmMmV8C/1kJY eDA3mWabIEBed7hsjEMyr75IZN6WOcib4M31gDpUKAkm/X5Gyi/XnLPndvoU6Ay+sW ySVpakCp3Rb/fdALLz0youJIC+5kdkEtvH73I3sI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S370789AbgDONSr (ORCPT ); Wed, 15 Apr 2020 09:18:47 -0400 Received: from out1-smtp.messagingengine.com ([66.111.4.25]:48265 "EHLO out1-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S370777AbgDONS3 (ORCPT ); Wed, 15 Apr 2020 09:18:29 -0400 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id 2D12A5C0148; Wed, 15 Apr 2020 09:18:28 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute1.internal (MEProxy); Wed, 15 Apr 2020 09:18:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:message-id:mime-version:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=ss8qC0 UWsq9GJZJ+o/+9s62IncDY2t7igUL9RddQwzY=; b=xSy7mGSpKrsWFERMM8h3Q/ wmL22XdianL7CauTcsZOHT/9BSvSV0yToR69TSyZaQjiRbh6pDCPdwtijrL/k1zi VEdGD5anYC6NkEGHKcOkRSFbEVQ833DAQR8etyrzQ5id/SOhW+88AOYG9rn21IKc eEsisLG/frM7GRe7gaqAvpwRHE6K5Y45CWKTuRlPUH6f/Or3bz1AUR94vftENZiM ZCoUSJ0bTofKk/1+2Twr51/KVbUFcGTA4KayowChi9my8Hr9kuSdFeoohSqGbSQc DBirjfo3fZ9fp4ufVOilzIK/ObOqEAY9eBQXflKkQ9wAEjkT8GkWnKBGgOqevK0w == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduhedrfeefgdehudcutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecunecujfgurhepuffvhfffkfggtgfgsehtkeertddttd flnecuhfhrohhmpeeoghhrvghgkhhhsehlihhnuhigfhhouhhnuggrthhiohhnrdhorhhg qeenucffohhmrghinhepkhgvrhhnvghlrdhorhhgnecukfhppeekfedrkeeirdekledrud dtjeenucevlhhushhtvghrufhiiigvpedvnecurfgrrhgrmhepmhgrihhlfhhrohhmpehg rhgvgheskhhrohgrhhdrtghomh X-ME-Proxy: Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) by mail.messagingengine.com (Postfix) with ESMTPA id BDF70328005A; Wed, 15 Apr 2020 09:18:27 -0400 (EDT) Subject: FAILED: patch "[PATCH] powerpc/kasan: Fix kasan_remap_early_shadow_ro()" failed to apply to 5.4-stable tree To: christophe.leroy@c-s.fr, mpe@ellerman.id.au Cc: From: Date: Wed, 15 Apr 2020 15:18:25 +0200 Message-ID: <1586956705226232@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From af92bad615be75c6c0d1b1c5b48178360250a187 Mon Sep 17 00:00:00 2001 From: Christophe Leroy Date: Fri, 6 Mar 2020 15:09:40 +0000 Subject: [PATCH] powerpc/kasan: Fix kasan_remap_early_shadow_ro() 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 Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/4e7b56865e01569058914c991143f5961b5d4719.1583507333.git.christophe.leroy@c-s.fr diff --git a/arch/powerpc/mm/kasan/kasan_init_32.c b/arch/powerpc/mm/kasan/kasan_init_32.c index f19526e7d3dc..1a29cf469903 100644 --- a/arch/powerpc/mm/kasan/kasan_init_32.c +++ b/arch/powerpc/mm/kasan/kasan_init_32.c @@ -101,7 +101,7 @@ static void __init kasan_remap_early_shadow_ro(void) kasan_populate_pte(kasan_early_shadow_pte, prot); - for (k_cur = k_start & PAGE_MASK; k_cur < k_end; k_cur += PAGE_SIZE) { + for (k_cur = k_start & PAGE_MASK; k_cur != k_end; k_cur += PAGE_SIZE) { pmd_t *pmd = pmd_ptr_k(k_cur); pte_t *ptep = pte_offset_kernel(pmd, k_cur);