The quilt patch titled
Subject: kasan: only define metadata structs for Generic mode
has been removed from the -mm tree. Its filename was
kasan-only-define-metadata-structs-for-generic-mode.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Subject: kasan: only define metadata structs for Generic mode
Date: Mon, 5 Sep 2022 23:05:32 +0200
Hide the definitions of kasan_alloc_meta and kasan_free_meta under an
ifdef CONFIG_KASAN_GENERIC check, as these structures are now only used
when the Generic mode is enabled.
Link: https://lkml.kernel.org/r/8d2aabff8c227c444a3f62edf87d5630beb77640.1662411799.git.andreyknvl@xxxxxxxxxx
Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Reviewed-by: Marco Elver <elver@xxxxxxxxxx>
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Evgenii Stepanov <eugenis@xxxxxxxxxx>
Cc: Peter Collingbourne <pcc@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/kasan/kasan.h | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
--- a/mm/kasan/kasan.h~kasan-only-define-metadata-structs-for-generic-mode
+++ a/mm/kasan/kasan.h
@@ -193,14 +193,12 @@ struct kasan_track {
depot_stack_handle_t stack;
};
+#ifdef CONFIG_KASAN_GENERIC
+
struct kasan_alloc_meta {
struct kasan_track alloc_track;
- /* Generic mode stores free track in kasan_free_meta. */
-#ifdef CONFIG_KASAN_GENERIC
+ /* Free track is stored in kasan_free_meta. */
depot_stack_handle_t aux_stack[2];
-#else
- struct kasan_track free_track;
-#endif
};
struct qlist_node {
@@ -219,12 +217,12 @@ struct qlist_node {
* After that, slab allocator stores the freelist pointer in the object.
*/
struct kasan_free_meta {
-#ifdef CONFIG_KASAN_GENERIC
struct qlist_node quarantine_link;
struct kasan_track free_track;
-#endif
};
+#endif /* CONFIG_KASAN_GENERIC */
+
#if IS_ENABLED(CONFIG_KASAN_KUNIT_TEST)
/* Used in KUnit-compatible KASAN tests. */
struct kunit_kasan_status {
_
Patches currently in -mm which might be from andreyknvl@xxxxxxxxxx are
kasan-fix-array-bounds-warnings-in-tests.patch
