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 D071CC43217 for ; Fri, 25 Mar 2022 22:42:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233962AbiCYWoS (ORCPT ); Fri, 25 Mar 2022 18:44:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233960AbiCYWn4 (ORCPT ); Fri, 25 Mar 2022 18:43:56 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1627E20A95B for ; Fri, 25 Mar 2022 15:42:12 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id A5BB561502 for ; Fri, 25 Mar 2022 22:42:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0844FC004DD; Fri, 25 Mar 2022 22:42:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1648248131; bh=q6M25KvP0iDyb+w677Gn4UhndVpAm/LrEFJ6KJ0FfVE=; h=Date:To:From:Subject:From; b=l1OqkdTUrGEpMhSx4lGrAv1WK8itPOTf1LHI1jYluTnVu7XyvNIfPLdtTezaL54yk PZude8GvwNFShfUppUh8mVeYglNJK5pG1Q8NyomHsRKiVe1KhHdL9fIZcOdkJpekB0 TlmtPS9zaEeoDVIC51rcNaSARW59BuefWDBmKC6M= Date: Fri, 25 Mar 2022 15:42:10 -0700 To: mm-commits@vger.kernel.org, will@kernel.org, vincenzo.frascino@arm.com, ryabinin.a.a@gmail.com, pcc@google.com, mark.rutland@arm.com, glider@google.com, eugenis@google.com, elver@google.com, dvyukov@google.com, catalin.marinas@arm.com, andreyknvl@google.com, akpm@linux-foundation.org From: Andrew Morton Subject: [merged] kasan-define-kasan_vmalloc_invalid-for-sw_tags.patch removed from -mm tree Message-Id: <20220325224211.0844FC004DD@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: kasan: define KASAN_VMALLOC_INVALID for SW_TAGS has been removed from the -mm tree. Its filename was kasan-define-kasan_vmalloc_invalid-for-sw_tags.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ From: Andrey Konovalov Subject: kasan: define KASAN_VMALLOC_INVALID for SW_TAGS In preparation for adding vmalloc support to SW_TAGS KASAN, provide a KASAN_VMALLOC_INVALID definition for it. HW_TAGS KASAN won't be using this value, as it falls back onto page_alloc for poisoning freed vmalloc() memory. Link: https://lkml.kernel.org/r/1daaaafeb148a7ae8285265edc97d7ca07b6a07d.1643047180.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov Reviewed-by: Alexander Potapenko Acked-by: Marco Elver Cc: Andrey Ryabinin Cc: Catalin Marinas Cc: Dmitry Vyukov Cc: Evgenii Stepanov Cc: Mark Rutland Cc: Peter Collingbourne Cc: Vincenzo Frascino Cc: Will Deacon Signed-off-by: Andrew Morton --- mm/kasan/kasan.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/mm/kasan/kasan.h~kasan-define-kasan_vmalloc_invalid-for-sw_tags +++ a/mm/kasan/kasan.h @@ -71,18 +71,19 @@ static inline bool kasan_sync_fault_poss #define KASAN_PAGE_REDZONE 0xFE /* redzone for kmalloc_large allocations */ #define KASAN_KMALLOC_REDZONE 0xFC /* redzone inside slub object */ #define KASAN_KMALLOC_FREE 0xFB /* object was freed (kmem_cache_free/kfree) */ +#define KASAN_VMALLOC_INVALID 0xF8 /* unallocated space in vmapped page */ #else #define KASAN_FREE_PAGE KASAN_TAG_INVALID #define KASAN_PAGE_REDZONE KASAN_TAG_INVALID #define KASAN_KMALLOC_REDZONE KASAN_TAG_INVALID #define KASAN_KMALLOC_FREE KASAN_TAG_INVALID +#define KASAN_VMALLOC_INVALID KASAN_TAG_INVALID /* only for SW_TAGS */ #endif #ifdef CONFIG_KASAN_GENERIC #define KASAN_KMALLOC_FREETRACK 0xFA /* object was freed and has free track set */ #define KASAN_GLOBAL_REDZONE 0xF9 /* redzone for global variable */ -#define KASAN_VMALLOC_INVALID 0xF8 /* unallocated space in vmapped page */ /* * Stack redzone shadow values _ Patches currently in -mm which might be from andreyknvl@google.com are stacktrace-add-interface-based-on-shadow-call-stack.patch arm64-scs-save-scs_sp-values-per-cpu-when-switching-stacks.patch arm64-implement-stack_trace_save_shadow.patch kasan-use-stack_trace_save_shadow.patch