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=-20.4 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL 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 07295C2D0A3 for ; Thu, 5 Nov 2020 00:02:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8B60A206F4 for ; Thu, 5 Nov 2020 00:02:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="QP+KU7EF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732531AbgKEACo (ORCPT ); Wed, 4 Nov 2020 19:02:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50960 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728323AbgKEACm (ORCPT ); Wed, 4 Nov 2020 19:02:42 -0500 Received: from mail-qv1-xf49.google.com (mail-qv1-xf49.google.com [IPv6:2607:f8b0:4864:20::f49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1A2C3C0613CF for ; Wed, 4 Nov 2020 16:02:41 -0800 (PST) Received: by mail-qv1-xf49.google.com with SMTP id r11so57310qvn.1 for ; Wed, 04 Nov 2020 16:02:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=XrlC+aEcWbd3aE57QC+9E5FwHOZXpbQu57tR6JwJ5+c=; b=QP+KU7EF4Sooeu0hjMOHvPUzQF5nQTLtWDZRHBDFWo88qNIpvOh07JBtE2fO5pXWaa R2nTiR6er0b98Pvy+W+XlgRLf7zR1sLuN2//KVj6b9PXc+/aOMRBigj8v/7QVPoiL9Ju b6m8aQKraSwfZVHEyK2pDWQmH7p0DsDzXA1VjjlXo1z1H+JkXjMnD36++hDR3wGQj5KR ytFLM4fhOYCgVsdpyorwZk9kuclI6166ICSVqKPWb3/ae2h4dablms2ZyUMkE+6e6LDQ L+5MmUM+ILWRfLpr4UWDqPvyPANmq8PiziVXC4DHIVZ/e2nd1cOvIXLV1P39AQpQ1ZiN dJEg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=XrlC+aEcWbd3aE57QC+9E5FwHOZXpbQu57tR6JwJ5+c=; b=ESizDwY2nARn4fYFX1Jq7VczeC//bp6dWuxH3EWeh+J8daP9hM7ZwtkMAlFtQxfiiL DRouHkYUf+Q5E2qLK79mC2kyXHVjWtlLnBoNu19luZmabNblcxBvlHjVpAoaLhN3M1mO p+t12G9MWZxJkUoUoEHieo0RN9kPZeH6dBNY/eFBwgBvZ5YxZpSDi22uCrSZHRW1rS+Z +LPp0h5bTvCvcu3FUH62+g2kM3zV9IHQ9Iko85P8xAZk+YWyd5N2/BOrxsqwSE2a6dXJ EKmvkv2u7z8Rt7A3KEAbx/D1J496JuxLqc0Uz9Rr5GLnF3BhDOQ4FG5ZQnrQ+Mmkjpiq 7Rvw== X-Gm-Message-State: AOAM5300c5qLROGA58IwZo2U7UcYkudgElynnQlTAlye285neBSBJLwo UbkniplV5JAYh3d+FJFjhc85giy3r6uoUSsu X-Google-Smtp-Source: ABdhPJxFHKaDtHayh34H7x/LU75rTQ4Ma+mGckmHaWDT2iy4/BgEE9wclXaglhHGlAM5BH0Ftdvx8GrFbsQPy5MT Sender: "andreyknvl via sendgmr" X-Received: from andreyknvl3.muc.corp.google.com ([2a00:79e0:15:13:7220:84ff:fe09:7e9d]) (user=andreyknvl job=sendgmr) by 2002:a0c:ecc8:: with SMTP id o8mr293863qvq.54.1604534560168; Wed, 04 Nov 2020 16:02:40 -0800 (PST) Date: Thu, 5 Nov 2020 01:02:12 +0100 In-Reply-To: Message-Id: <7fb01c82767f6ec2ef804ec4689b7a9620b5bb4d.1604534322.git.andreyknvl@google.com> Mime-Version: 1.0 References: X-Mailer: git-send-email 2.29.1.341.ge80a0c044ae-goog Subject: [PATCH 02/20] kasan: rename get_alloc/free_info From: Andrey Konovalov To: Catalin Marinas , Will Deacon , Vincenzo Frascino , Dmitry Vyukov , Alexander Potapenko , Marco Elver Cc: Evgenii Stepanov , Andrey Ryabinin , Branislav Rankov , Kevin Brodsky , Andrew Morton , kasan-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rename get_alloc_info() and get_free_info() to kasan_get_alloc_meta() and kasan_get_free_meta() to better reflect what those do and avoid confusion with kasan_set_free_info(). No functional changes. Signed-off-by: Andrey Konovalov Reviewed-by: Dmitry Vyukov Link: https://linux-review.googlesource.com/id/Ib6e4ba61c8b12112b403d3479a9799ac8fff8de1 --- mm/kasan/common.c | 16 ++++++++-------- mm/kasan/generic.c | 12 ++++++------ mm/kasan/hw_tags.c | 4 ++-- mm/kasan/kasan.h | 8 ++++---- mm/kasan/quarantine.c | 4 ++-- mm/kasan/report.c | 12 ++++++------ mm/kasan/report_sw_tags.c | 2 +- mm/kasan/sw_tags.c | 4 ++-- 8 files changed, 31 insertions(+), 31 deletions(-) diff --git a/mm/kasan/common.c b/mm/kasan/common.c index 5712c66c11c1..8fd04415d8f4 100644 --- a/mm/kasan/common.c +++ b/mm/kasan/common.c @@ -175,14 +175,14 @@ size_t kasan_metadata_size(struct kmem_cache *cache) sizeof(struct kasan_free_meta) : 0); } -struct kasan_alloc_meta *get_alloc_info(struct kmem_cache *cache, - const void *object) +struct kasan_alloc_meta *kasan_get_alloc_meta(struct kmem_cache *cache, + const void *object) { return (void *)reset_tag(object) + cache->kasan_info.alloc_meta_offset; } -struct kasan_free_meta *get_free_info(struct kmem_cache *cache, - const void *object) +struct kasan_free_meta *kasan_get_free_meta(struct kmem_cache *cache, + const void *object) { BUILD_BUG_ON(sizeof(struct kasan_free_meta) > 32); return (void *)reset_tag(object) + cache->kasan_info.free_meta_offset; @@ -259,13 +259,13 @@ static u8 assign_tag(struct kmem_cache *cache, const void *object, void * __must_check kasan_init_slab_obj(struct kmem_cache *cache, const void *object) { - struct kasan_alloc_meta *alloc_info; + struct kasan_alloc_meta *alloc_meta; if (!(cache->flags & SLAB_KASAN)) return (void *)object; - alloc_info = get_alloc_info(cache, object); - __memset(alloc_info, 0, sizeof(*alloc_info)); + alloc_meta = kasan_get_alloc_meta(cache, object); + __memset(alloc_meta, 0, sizeof(*alloc_meta)); if (IS_ENABLED(CONFIG_KASAN_SW_TAGS) || IS_ENABLED(CONFIG_KASAN_HW_TAGS)) object = set_tag(object, assign_tag(cache, object, true, false)); @@ -345,7 +345,7 @@ static void *__kasan_kmalloc(struct kmem_cache *cache, const void *object, KASAN_KMALLOC_REDZONE); if (cache->flags & SLAB_KASAN) - kasan_set_track(&get_alloc_info(cache, object)->alloc_track, flags); + kasan_set_track(&kasan_get_alloc_meta(cache, object)->alloc_track, flags); return set_tag(object, tag); } diff --git a/mm/kasan/generic.c b/mm/kasan/generic.c index adb254df1b1d..d259e4c3aefd 100644 --- a/mm/kasan/generic.c +++ b/mm/kasan/generic.c @@ -329,7 +329,7 @@ void kasan_record_aux_stack(void *addr) { struct page *page = kasan_addr_to_page(addr); struct kmem_cache *cache; - struct kasan_alloc_meta *alloc_info; + struct kasan_alloc_meta *alloc_meta; void *object; if (!(page && PageSlab(page))) @@ -337,13 +337,13 @@ void kasan_record_aux_stack(void *addr) cache = page->slab_cache; object = nearest_obj(cache, page, addr); - alloc_info = get_alloc_info(cache, object); + alloc_meta = kasan_get_alloc_meta(cache, object); /* * record the last two call_rcu() call stacks. */ - alloc_info->aux_stack[1] = alloc_info->aux_stack[0]; - alloc_info->aux_stack[0] = kasan_save_stack(GFP_NOWAIT); + alloc_meta->aux_stack[1] = alloc_meta->aux_stack[0]; + alloc_meta->aux_stack[0] = kasan_save_stack(GFP_NOWAIT); } void kasan_set_free_info(struct kmem_cache *cache, @@ -351,7 +351,7 @@ void kasan_set_free_info(struct kmem_cache *cache, { struct kasan_free_meta *free_meta; - free_meta = get_free_info(cache, object); + free_meta = kasan_get_free_meta(cache, object); kasan_set_track(&free_meta->free_track, GFP_NOWAIT); /* @@ -365,5 +365,5 @@ struct kasan_track *kasan_get_free_track(struct kmem_cache *cache, { if (*(u8 *)kasan_mem_to_shadow(object) != KASAN_KMALLOC_FREETRACK) return NULL; - return &get_free_info(cache, object)->free_track; + return &kasan_get_free_meta(cache, object)->free_track; } diff --git a/mm/kasan/hw_tags.c b/mm/kasan/hw_tags.c index 25ae7b43db87..d858aeb7387f 100644 --- a/mm/kasan/hw_tags.c +++ b/mm/kasan/hw_tags.c @@ -62,7 +62,7 @@ void kasan_set_free_info(struct kmem_cache *cache, { struct kasan_alloc_meta *alloc_meta; - alloc_meta = get_alloc_info(cache, object); + alloc_meta = kasan_get_alloc_meta(cache, object); kasan_set_track(&alloc_meta->free_track[0], GFP_NOWAIT); } @@ -71,6 +71,6 @@ struct kasan_track *kasan_get_free_track(struct kmem_cache *cache, { struct kasan_alloc_meta *alloc_meta; - alloc_meta = get_alloc_info(cache, object); + alloc_meta = kasan_get_alloc_meta(cache, object); return &alloc_meta->free_track[0]; } diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index 994be9979ffd..5513b4685007 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -148,10 +148,10 @@ struct kasan_free_meta { #endif }; -struct kasan_alloc_meta *get_alloc_info(struct kmem_cache *cache, - const void *object); -struct kasan_free_meta *get_free_info(struct kmem_cache *cache, - const void *object); +struct kasan_alloc_meta *kasan_get_alloc_meta(struct kmem_cache *cache, + const void *object); +struct kasan_free_meta *kasan_get_free_meta(struct kmem_cache *cache, + const void *object); void kasan_poison_memory(const void *address, size_t size, u8 value); diff --git a/mm/kasan/quarantine.c b/mm/kasan/quarantine.c index a0792f0d6d0f..0da3d37e1589 100644 --- a/mm/kasan/quarantine.c +++ b/mm/kasan/quarantine.c @@ -166,7 +166,7 @@ void quarantine_put(struct kmem_cache *cache, void *object) unsigned long flags; struct qlist_head *q; struct qlist_head temp = QLIST_INIT; - struct kasan_free_meta *info = get_free_info(cache, object); + struct kasan_free_meta *meta = kasan_get_free_meta(cache, object); /* * Note: irq must be disabled until after we move the batch to the @@ -179,7 +179,7 @@ void quarantine_put(struct kmem_cache *cache, void *object) local_irq_save(flags); q = this_cpu_ptr(&cpu_quarantine); - qlist_put(q, &info->quarantine_link, cache->size); + qlist_put(q, &meta->quarantine_link, cache->size); if (unlikely(q->bytes > QUARANTINE_PERCPU_SIZE)) { qlist_move_all(q, &temp); diff --git a/mm/kasan/report.c b/mm/kasan/report.c index ce06005d4052..0cac53a57c14 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -164,12 +164,12 @@ static void describe_object_addr(struct kmem_cache *cache, void *object, static void describe_object(struct kmem_cache *cache, void *object, const void *addr, u8 tag) { - struct kasan_alloc_meta *alloc_info = get_alloc_info(cache, object); + struct kasan_alloc_meta *alloc_meta = kasan_get_alloc_meta(cache, object); if (cache->flags & SLAB_KASAN) { struct kasan_track *free_track; - print_track(&alloc_info->alloc_track, "Allocated"); + print_track(&alloc_meta->alloc_track, "Allocated"); pr_err("\n"); free_track = kasan_get_free_track(cache, object, tag); if (free_track) { @@ -178,14 +178,14 @@ static void describe_object(struct kmem_cache *cache, void *object, } #ifdef CONFIG_KASAN_GENERIC - if (alloc_info->aux_stack[0]) { + if (alloc_meta->aux_stack[0]) { pr_err("Last call_rcu():\n"); - print_stack(alloc_info->aux_stack[0]); + print_stack(alloc_meta->aux_stack[0]); pr_err("\n"); } - if (alloc_info->aux_stack[1]) { + if (alloc_meta->aux_stack[1]) { pr_err("Second to last call_rcu():\n"); - print_stack(alloc_info->aux_stack[1]); + print_stack(alloc_meta->aux_stack[1]); pr_err("\n"); } #endif diff --git a/mm/kasan/report_sw_tags.c b/mm/kasan/report_sw_tags.c index aebc44a29e83..317100fd95b9 100644 --- a/mm/kasan/report_sw_tags.c +++ b/mm/kasan/report_sw_tags.c @@ -46,7 +46,7 @@ const char *get_bug_type(struct kasan_access_info *info) if (page && PageSlab(page)) { cache = page->slab_cache; object = nearest_obj(cache, page, (void *)addr); - alloc_meta = get_alloc_info(cache, object); + alloc_meta = kasan_get_alloc_meta(cache, object); for (i = 0; i < KASAN_NR_FREE_STACKS; i++) if (alloc_meta->free_pointer_tag[i] == tag) diff --git a/mm/kasan/sw_tags.c b/mm/kasan/sw_tags.c index dfe707dd8d0d..3bffb489b144 100644 --- a/mm/kasan/sw_tags.c +++ b/mm/kasan/sw_tags.c @@ -174,7 +174,7 @@ void kasan_set_free_info(struct kmem_cache *cache, struct kasan_alloc_meta *alloc_meta; u8 idx = 0; - alloc_meta = get_alloc_info(cache, object); + alloc_meta = kasan_get_alloc_meta(cache, object); #ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY idx = alloc_meta->free_track_idx; @@ -191,7 +191,7 @@ struct kasan_track *kasan_get_free_track(struct kmem_cache *cache, struct kasan_alloc_meta *alloc_meta; int i = 0; - alloc_meta = get_alloc_info(cache, object); + alloc_meta = kasan_get_alloc_meta(cache, object); #ifdef CONFIG_KASAN_SW_TAGS_IDENTIFY for (i = 0; i < KASAN_NR_FREE_STACKS; i++) { -- 2.29.1.341.ge80a0c044ae-goog