diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 1be0ed5befa1..dcde82a4434c 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -7,6 +7,7 @@
  *
  * (C) 2007 SGI, Christoph Lameter
  */
+#include <linux/kfence.h>
 #include <linux/kobject.h>
 #include <linux/reciprocal_div.h>
 
@@ -185,6 +186,8 @@ static inline unsigned int __obj_to_index(const struct kmem_cache *cache,
 static inline unsigned int obj_to_index(const struct kmem_cache *cache,
 					const struct page *page, void *obj)
 {
+	if (is_kfence_address(obj))
+		return 0;
 	return __obj_to_index(cache, page_address(page), obj);
 }
 
diff --git a/mm/slub.c b/mm/slub.c
index b30be2385d1c..95d9e2a45707 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -27,6 +27,7 @@
 #include <linux/ctype.h>
 #include <linux/debugobjects.h>
 #include <linux/kallsyms.h>
+#include <linux/kfence.h>
 #include <linux/memory.h>
 #include <linux/math64.h>
 #include <linux/fault-inject.h>
@@ -1553,6 +1554,11 @@ static inline bool slab_free_freelist_hook(struct kmem_cache *s,
 	void *old_tail = *tail ? *tail : *head;
 	int rsize;
 
+	if (is_kfence_address(next)) {
+		slab_free_hook(s, next);
+		return true;
+	}
+
 	/* Head and tail of the reconstructed freelist */
 	*head = NULL;
 	*tail = NULL;
@@ -2658,7 +2664,8 @@ static inline void *get_freelist(struct kmem_cache *s, struct page *page)
  * already disabled (which is the case for bulk allocation).
  */
 static void *___slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node,
-			  unsigned long addr, struct kmem_cache_cpu *c)
+			  unsigned long addr, struct kmem_cache_cpu *c,
+			  size_t orig_size)
 {
 	void *freelist;
 	struct page *page;
@@ -2763,7 +2770,8 @@ static void *___slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node,
  * cpu changes by refetching the per cpu area pointer.
  */
 static void *__slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node,
-			  unsigned long addr, struct kmem_cache_cpu *c)
+			  unsigned long addr, struct kmem_cache_cpu *c,
+			  size_t orig_size)
 {
 	void *p;
 	unsigned long flags;
@@ -2778,7 +2786,7 @@ static void *__slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node,
 	c = this_cpu_ptr(s->cpu_slab);
 #endif
 
-	p = ___slab_alloc(s, gfpflags, node, addr, c);
+	p = ___slab_alloc(s, gfpflags, node, addr, c, orig_size);
 	local_irq_restore(flags);
 	return p;
 }
@@ -2805,7 +2813,7 @@ static __always_inline void maybe_wipe_obj_freeptr(struct kmem_cache *s,
  * Otherwise we can simply pick the next object from the lockless free list.
  */
 static __always_inline void *slab_alloc_node(struct kmem_cache *s,
-		gfp_t gfpflags, int node, unsigned long addr)
+		gfp_t gfpflags, int node, unsigned long addr, size_t orig_size)
 {
 	void *object;
 	struct kmem_cache_cpu *c;
@@ -2816,6 +2824,11 @@ static __always_inline void *slab_alloc_node(struct kmem_cache *s,
 	s = slab_pre_alloc_hook(s, &objcg, 1, gfpflags);
 	if (!s)
 		return NULL;
+
+	object = kfence_alloc(s, orig_size, gfpflags);
+	if (unlikely(object))
+		goto out;
+
 redo:
 	/*
 	 * Must read kmem_cache cpu data via this cpu ptr. Preemption is
@@ -2853,7 +2866,7 @@ static __always_inline void *slab_alloc_node(struct kmem_cache *s,
 	object = c->freelist;
 	page = c->page;
 	if (unlikely(!object || !node_match(page, node))) {
-		object = __slab_alloc(s, gfpflags, node, addr, c);
+		object = __slab_alloc(s, gfpflags, node, addr, c, orig_size);
 	} else {
 		void *next_object = get_freepointer_safe(s, object);
 
@@ -2888,20 +2901,21 @@ static __always_inline void *slab_alloc_node(struct kmem_cache *s,
 	if (unlikely(slab_want_init_on_alloc(gfpflags, s)) && object)
 		memset(object, 0, s->object_size);
 
+out:
 	slab_post_alloc_hook(s, objcg, gfpflags, 1, &object);
 
 	return object;
 }
 
 static __always_inline void *slab_alloc(struct kmem_cache *s,
-		gfp_t gfpflags, unsigned long addr)
+		gfp_t gfpflags, unsigned long addr, size_t orig_size)
 {
-	return slab_alloc_node(s, gfpflags, NUMA_NO_NODE, addr);
+	return slab_alloc_node(s, gfpflags, NUMA_NO_NODE, addr, orig_size);
 }
 
 void *kmem_cache_alloc(struct kmem_cache *s, gfp_t gfpflags)
 {
-	void *ret = slab_alloc(s, gfpflags, _RET_IP_);
+	void *ret = slab_alloc(s, gfpflags, _RET_IP_, s->object_size);
 
 	trace_kmem_cache_alloc(_RET_IP_, ret, s->object_size,
 				s->size, gfpflags);
@@ -2913,7 +2927,7 @@ EXPORT_SYMBOL(kmem_cache_alloc);
 #ifdef CONFIG_TRACING
 void *kmem_cache_alloc_trace(struct kmem_cache *s, gfp_t gfpflags, size_t size)
 {
-	void *ret = slab_alloc(s, gfpflags, _RET_IP_);
+	void *ret = slab_alloc(s, gfpflags, _RET_IP_, size);
 	trace_kmalloc(_RET_IP_, ret, size, s->size, gfpflags);
 	ret = kasan_kmalloc(s, ret, size, gfpflags);
 	return ret;
@@ -2924,7 +2938,7 @@ EXPORT_SYMBOL(kmem_cache_alloc_trace);
 #ifdef CONFIG_NUMA
 void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t gfpflags, int node)
 {
-	void *ret = slab_alloc_node(s, gfpflags, node, _RET_IP_);
+	void *ret = slab_alloc_node(s, gfpflags, node, _RET_IP_, s->object_size);
 
 	trace_kmem_cache_alloc_node(_RET_IP_, ret,
 				    s->object_size, s->size, gfpflags, node);
@@ -2938,7 +2952,7 @@ void *kmem_cache_alloc_node_trace(struct kmem_cache *s,
 				    gfp_t gfpflags,
 				    int node, size_t size)
 {
-	void *ret = slab_alloc_node(s, gfpflags, node, _RET_IP_);
+	void *ret = slab_alloc_node(s, gfpflags, node, _RET_IP_, size);
 
 	trace_kmalloc_node(_RET_IP_, ret,
 			   size, s->size, gfpflags, node);
@@ -2972,6 +2986,9 @@ static void __slab_free(struct kmem_cache *s, struct page *page,
 
 	stat(s, FREE_SLOWPATH);
 
+	if (kfence_free(head))
+		return;
+
 	if (kmem_cache_debug(s) &&
 	    !free_debug_processing(s, page, head, tail, cnt, addr))
 		return;
@@ -3216,6 +3233,13 @@ int build_detached_freelist(struct kmem_cache *s, size_t size,
 		df->s = cache_from_obj(s, object); /* Support for memcg */
 	}
 
+	if (is_kfence_address(object)) {
+		slab_free_hook(df->s, object);
+		WARN_ON(!kfence_free(object));
+		p[size] = NULL; /* mark object processed */
+		return size;
+	}
+
 	/* Start new detached freelist */
 	df->page = page;
 	set_freepointer(df->s, object, NULL);
@@ -3291,8 +3315,14 @@ int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size,
 	c = this_cpu_ptr(s->cpu_slab);
 
 	for (i = 0; i < size; i++) {
-		void *object = c->freelist;
+		void *object = kfence_alloc(s, s->object_size, flags);
 
+		if (unlikely(object)) {
+			p[i] = object;
+			continue;
+		}
+
+		object = c->freelist;
 		if (unlikely(!object)) {
 			/*
 			 * We may have removed an object from c->freelist using
@@ -3308,7 +3338,7 @@ int kmem_cache_alloc_bulk(struct kmem_cache *s, gfp_t flags, size_t size,
 			 * of re-populating per CPU c->freelist
 			 */
 			p[i] = ___slab_alloc(s, flags, NUMA_NO_NODE,
-					    _RET_IP_, c);
+					    _RET_IP_, c, size);
 			if (unlikely(!p[i]))
 				goto error;
 
@@ -3963,7 +3993,7 @@ void *__kmalloc(size_t size, gfp_t flags)
 	if (unlikely(ZERO_OR_NULL_PTR(s)))
 		return s;
 
-	ret = slab_alloc(s, flags, _RET_IP_);
+	ret = slab_alloc(s, flags, _RET_IP_, size);
 
 	trace_kmalloc(_RET_IP_, ret, size, s->size, flags);
 
@@ -4011,7 +4041,7 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node)
 	if (unlikely(ZERO_OR_NULL_PTR(s)))
 		return s;
 
-	ret = slab_alloc_node(s, flags, node, _RET_IP_);
+	ret = slab_alloc_node(s, flags, node, _RET_IP_, size);
 
 	trace_kmalloc_node(_RET_IP_, ret, size, s->size, flags, node);
 
@@ -4037,6 +4067,7 @@ void __check_heap_object(const void *ptr, unsigned long n, struct page *page,
 	struct kmem_cache *s;
 	unsigned int offset;
 	size_t object_size;
+	bool is_kfence = is_kfence_address(ptr);
 
 	ptr = kasan_reset_tag(ptr);
 
@@ -4049,10 +4080,13 @@ void __check_heap_object(const void *ptr, unsigned long n, struct page *page,
 			       to_user, 0, n);
 
 	/* Find offset within object. */
-	offset = (ptr - page_address(page)) % s->size;
+	if (is_kfence)
+		offset = ptr - kfence_object_start(ptr);
+	else
+		offset = (ptr - page_address(page)) % s->size;
 
 	/* Adjust for redzone and reject if within the redzone. */
-	if (kmem_cache_debug_flags(s, SLAB_RED_ZONE)) {
+	if (!is_kfence && kmem_cache_debug_flags(s, SLAB_RED_ZONE)) {
 		if (offset < s->red_left_pad)
 			usercopy_abort("SLUB object in left red zone",
 				       s->name, to_user, offset, n);
@@ -4461,7 +4495,7 @@ void *__kmalloc_track_caller(size_t size, gfp_t gfpflags, unsigned long caller)
 	if (unlikely(ZERO_OR_NULL_PTR(s)))
 		return s;
 
-	ret = slab_alloc(s, gfpflags, caller);
+	ret = slab_alloc(s, gfpflags, caller, size);
 
 	/* Honor the call site pointer we received. */
 	trace_kmalloc(caller, ret, size, s->size, gfpflags);
@@ -4492,7 +4526,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
 	if (unlikely(ZERO_OR_NULL_PTR(s)))
 		return s;
 
-	ret = slab_alloc_node(s, gfpflags, node, caller);
+	ret = slab_alloc_node(s, gfpflags, node, caller, size);
 
 	/* Honor the call site pointer we received. */
 	trace_kmalloc_node(caller, ret, size, s->size, gfpflags, node);
