From: Andrey Konovalov <andreyknvl@google.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
Dmitry Vyukov <dvyukov@google.com>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Alexander Potapenko <glider@google.com>,
Marco Elver <elver@google.com>,
Evgenii Stepanov <eugenis@google.com>,
Branislav Rankov <Branislav.Rankov@arm.com>,
Kevin Brodsky <kevin.brodsky@arm.com>,
kasan-dev@googlegroups.com,
linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org,
Andrey Konovalov <andreyknvl@google.com>
Subject: [PATCH mm v4 03/19] kasan: introduce set_alloc_info
Date: Mon, 23 Nov 2020 21:14:33 +0100 [thread overview]
Message-ID: <b2393e8f1e311a70fc3aaa2196461b6acdee7d21.1606162397.git.andreyknvl@google.com> (raw)
In-Reply-To: <cover.1606162397.git.andreyknvl@google.com>
Add set_alloc_info() helper and move kasan_set_track() into it. This will
simplify the code for one of the upcoming changes.
No functional changes.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Link: https://linux-review.googlesource.com/id/I0316193cbb4ecc9b87b7c2eee0dd79f8ec908c1a
---
mm/kasan/common.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index 8197399b0a1f..0a420f1dbc54 100644
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -327,6 +327,11 @@ bool kasan_slab_free(struct kmem_cache *cache, void *object, unsigned long ip)
return __kasan_slab_free(cache, object, ip, true);
}
+static void set_alloc_info(struct kmem_cache *cache, void *object, gfp_t flags)
+{
+ kasan_set_track(&kasan_get_alloc_meta(cache, object)->alloc_track, flags);
+}
+
static void *__kasan_kmalloc(struct kmem_cache *cache, const void *object,
size_t size, gfp_t flags, bool keep_tag)
{
@@ -357,7 +362,7 @@ static void *__kasan_kmalloc(struct kmem_cache *cache, const void *object,
KASAN_KMALLOC_REDZONE);
if (cache->flags & SLAB_KASAN)
- kasan_set_track(&kasan_get_alloc_meta(cache, object)->alloc_track, flags);
+ set_alloc_info(cache, (void *)object, flags);
return set_tag(object, tag);
}
--
2.29.2.454.gaff20da3a2-goog
next prev parent reply other threads:[~2020-11-23 20:15 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-23 20:14 [PATCH mm v4 00/19] kasan: boot parameters for hardware tag-based mode Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 01/19] kasan: simplify quarantine_put call site Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 02/19] kasan: rename get_alloc/free_info Andrey Konovalov
2020-11-23 20:14 ` Andrey Konovalov [this message]
2020-11-23 20:14 ` [PATCH mm v4 04/19] kasan, arm64: unpoison stack only with CONFIG_KASAN_STACK Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 05/19] kasan: allow VMAP_STACK for HW_TAGS mode Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 06/19] kasan: remove __kasan_unpoison_stack Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 07/19] kasan: inline kasan_reset_tag for tag-based modes Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 08/19] kasan: inline random_tag for HW_TAGS Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 09/19] kasan: open-code kasan_unpoison_slab Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 10/19] kasan: inline (un)poison_range and check_invalid_free Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 11/19] kasan: add and integrate kasan boot parameters Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 12/19] kasan, mm: check kasan_enabled in annotations Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 13/19] kasan, mm: rename kasan_poison_kfree Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 14/19] kasan: don't round_up too much Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 15/19] kasan: simplify assign_tag and set_tag calls Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 16/19] kasan: clarify comment in __kasan_kfree_large Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 17/19] kasan: sanitize objects when metadata doesn't fit Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 18/19] kasan, mm: allow cache merging with no metadata Andrey Konovalov
2020-11-23 20:14 ` [PATCH mm v4 19/19] kasan: update documentation Andrey Konovalov
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