The patch titled
Subject: kasan-catch-invalid-free-before-slub-reinitializes-the-object-fix
has been added to the -mm mm-unstable branch. Its filename is
kasan-catch-invalid-free-before-slub-reinitializes-the-object-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/kasan-catch-invalid-free-before-slub-reinitializes-the-object-fix.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: kasan-catch-invalid-free-before-slub-reinitializes-the-object-fix
Date: Wed Jul 24 02:11:59 PM PDT 2024
fix CONFIG_KASAN=n build
Cc: Alexander Potapenko <glider@xxxxxxxxxx>
Cc: Andrey Konovalov <andreyknvl@xxxxxxxxx>
Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Cc: Hyeonggon Yoo <42.hyeyoo@xxxxxxxxx>
Cc: Jann Horn <jannh@xxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Marco Elver <elver@xxxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Cc: Roman Gushchin <roman.gushchin@xxxxxxxxx>
Cc: Vincenzo Frascino <vincenzo.frascino@xxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/kasan.h | 6 ++++++
1 file changed, 6 insertions(+)
--- a/include/linux/kasan.h~kasan-catch-invalid-free-before-slub-reinitializes-the-object-fix
+++ a/include/linux/kasan.h
@@ -381,6 +381,12 @@ static inline void *kasan_init_slab_obj(
{
return (void *)object;
}
+
+static inline bool kasan_slab_pre_free(struct kmem_cache *s, void *object)
+{
+ return false;
+}
+
static inline bool kasan_slab_free(struct kmem_cache *s, void *object, bool init)
{
return false;
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
kasan-catch-invalid-free-before-slub-reinitializes-the-object-fix.patch
