From a7686a45c07462b78df5ac15fc696a86e57ccf91 Mon Sep 17 00:00:00 2001 From: Catalin Marinas Date: Mon, 19 Jul 2010 11:54:16 +0100 Subject: [PATCH] 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 Acked-by: Pekka Enberg --- mm/kmemleak.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/mm/kmemleak.c b/mm/kmemleak.c index 2c0d032ac898..c2c9feb3097f 100644 --- 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