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kmemleak: Show more information for objects found by alias

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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>
This commit is contained in:
Catalin Marinas 2010-07-19 11:54:16 +01:00
parent 9078370c0d
commit a7686a45c0
1 changed files with 3 additions and 1 deletions
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4
mm/kmemleak.c
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@ -398,7 +398,9 @@ static struct kmemleak_object *lookup_object(unsigned long ptr, int alias)
object = prio_tree_entry(node, struct kmemleak_object, object = prio_tree_entry(node, struct kmemleak_object,
tree_node); tree_node);
if (!alias && object->pointer != ptr) { 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; object = NULL;
} }
} else } else