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 <[email protected]> Acked-by: Pekka Enberg <[email protected]>
RyanHsu · Jul 19, 2010 · a7686a4 · a7686a4
1 parent 9078370
commit a7686a4
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/mm/kmemleak.c b/mm/kmemleak.c
@@ -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