@@ -12,6 +12,7 @@
#include <linux/debugfs.h>
#include <linux/kcsan-checks.h>
#include <linux/kfence.h>
+#include <linux/kmemleak.h>
#include <linux/list.h>
#include <linux/lockdep.h>
#include <linux/memblock.h>
@@ -480,6 +481,14 @@ static bool __init kfence_init_pool(void
addr += 2 * PAGE_SIZE;
}
+ /*
+ * The pool is live and will never be deallocated from this point on.
+ * Remove the pool object from the kmemleak object tree, as it would
+ * otherwise overlap with allocations returned by kfence_alloc(), which
+ * are registered with kmemleak through the slab post-alloc hook.
+ */
+ kmemleak_free(__kfence_pool);
+
return true;
err:
@@ -97,6 +97,7 @@
#include <linux/atomic.h>
#include <linux/kasan.h>
+#include <linux/kfence.h>
#include <linux/kmemleak.h>
#include <linux/memory_hotplug.h>
@@ -589,7 +590,7 @@ static struct kmemleak_object *create_ob
atomic_set(&object->use_count, 1);
object->flags = OBJECT_ALLOCATED;
object->pointer = ptr;
- object->size = size;
+ object->size = kfence_ksize((void *)ptr) ?: size;
object->excess_ref = 0;
object->min_count = min_count;
object->count = 0; /* white color initially */