kmemleak: Show more information for objects found by alias



There may be situations when an object is freed using a pointer inside
the memory block. Kmemleak should show more information to help with
debugging.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>

parent 9078370c

mm/kmemleak.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -398,7 +398,9 @@ static struct kmemleak_object *lookup_object(unsigned long ptr, int alias)
		object = prio_tree_entry(node, struct kmemleak_object,
		tree_node);
		if (!alias && object->pointer != ptr) {
		kmemleak_warn("Found object by alias");
		pr_warning("Found object by alias at 0x%08lx\n", ptr);
		dump_stack();
		dump_object_info(object);
		object = NULL;
		}
		} else