diff mbox series

[mm,v3,20/34] kasan: move kasan_get_alloc/free_track definitions

Message ID 0cb15423956889b3905a0174b58782633bbbd72e.1662411799.git.andreyknvl@google.com (mailing list archive)
State New
Headers show
Series kasan: switch tag-based modes to stack ring from per-object metadata | expand

Commit Message

andrey.konovalov@linux.dev Sept. 5, 2022, 9:05 p.m. UTC 
From: Andrey Konovalov <andreyknvl@google.com>

Move the definitions of kasan_get_alloc/free_track() to report_*.c, as
they belong with other the reporting code.

Reviewed-by: Marco Elver <elver@google.com>
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
---
 mm/kasan/generic.c        | 21 ---------------------
 mm/kasan/report_generic.c | 21 +++++++++++++++++++++
 mm/kasan/report_tags.c    | 12 ++++++++++++
 mm/kasan/tags.c           | 12 ------------
 4 files changed, 33 insertions(+), 33 deletions(-)
diff mbox series

Patch

diff --git a/mm/kasan/generic.c b/mm/kasan/generic.c
index aff39af3c532..d8b5590f9484 100644
--- a/mm/kasan/generic.c
+++ b/mm/kasan/generic.c
@@ -512,24 +512,3 @@  void kasan_save_free_info(struct kmem_cache *cache, void *object)
 	/* The object was freed and has free track set. */
 	*(u8 *)kasan_mem_to_shadow(object) = KASAN_SLAB_FREETRACK;
 }
-
-struct kasan_track *kasan_get_alloc_track(struct kmem_cache *cache,
-						void *object)
-{
-	struct kasan_alloc_meta *alloc_meta;
-
-	alloc_meta = kasan_get_alloc_meta(cache, object);
-	if (!alloc_meta)
-		return NULL;
-
-	return &alloc_meta->alloc_track;
-}
-
-struct kasan_track *kasan_get_free_track(struct kmem_cache *cache,
-						void *object, u8 tag)
-{
-	if (*(u8 *)kasan_mem_to_shadow(object) != KASAN_SLAB_FREETRACK)
-		return NULL;
-	/* Free meta must be present with KASAN_SLAB_FREETRACK. */
-	return &kasan_get_free_meta(cache, object)->free_track;
-}
diff --git a/mm/kasan/report_generic.c b/mm/kasan/report_generic.c
index 348dc207d462..74d21786ef09 100644
--- a/mm/kasan/report_generic.c
+++ b/mm/kasan/report_generic.c
@@ -127,6 +127,27 @@  const char *kasan_get_bug_type(struct kasan_report_info *info)
 	return get_wild_bug_type(info);
 }
 
+struct kasan_track *kasan_get_alloc_track(struct kmem_cache *cache,
+						void *object)
+{
+	struct kasan_alloc_meta *alloc_meta;
+
+	alloc_meta = kasan_get_alloc_meta(cache, object);
+	if (!alloc_meta)
+		return NULL;
+
+	return &alloc_meta->alloc_track;
+}
+
+struct kasan_track *kasan_get_free_track(struct kmem_cache *cache,
+						void *object, u8 tag)
+{
+	if (*(u8 *)kasan_mem_to_shadow(object) != KASAN_SLAB_FREETRACK)
+		return NULL;
+	/* Free meta must be present with KASAN_SLAB_FREETRACK. */
+	return &kasan_get_free_meta(cache, object)->free_track;
+}
+
 void kasan_metadata_fetch_row(char *buffer, void *row)
 {
 	memcpy(buffer, kasan_mem_to_shadow(row), META_BYTES_PER_ROW);
diff --git a/mm/kasan/report_tags.c b/mm/kasan/report_tags.c
index 35cf3cae4aa4..79b6497d8a81 100644
--- a/mm/kasan/report_tags.c
+++ b/mm/kasan/report_tags.c
@@ -21,3 +21,15 @@  const char *kasan_get_bug_type(struct kasan_report_info *info)
 
 	return "invalid-access";
 }
+
+struct kasan_track *kasan_get_alloc_track(struct kmem_cache *cache,
+						void *object)
+{
+	return NULL;
+}
+
+struct kasan_track *kasan_get_free_track(struct kmem_cache *cache,
+						void *object, u8 tag)
+{
+	return NULL;
+}
diff --git a/mm/kasan/tags.c b/mm/kasan/tags.c
index fd11d10a4ffc..39a0481e5228 100644
--- a/mm/kasan/tags.c
+++ b/mm/kasan/tags.c
@@ -24,15 +24,3 @@  void kasan_save_alloc_info(struct kmem_cache *cache, void *object, gfp_t flags)
 void kasan_save_free_info(struct kmem_cache *cache, void *object)
 {
 }
-
-struct kasan_track *kasan_get_alloc_track(struct kmem_cache *cache,
-						void *object)
-{
-	return NULL;
-}
-
-struct kasan_track *kasan_get_free_track(struct kmem_cache *cache,
-						void *object, u8 tag)
-{
-	return NULL;
-}