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[PULL 31/59] object: add extra sanity checks


From: Paolo Bonzini
Subject: [PULL 31/59] object: add extra sanity checks
Date: Thu, 23 Jan 2020 14:50:21 +0100

From: Marc-André Lureau <address@hidden>

Type system checked that children class_size >= parent class_size, but
not instances. Fix that.

Signed-off-by: Marc-André Lureau <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
 qom/object.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/qom/object.c b/qom/object.c
index 90155fa..dcb6863 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -307,6 +307,7 @@ static void type_initialize(TypeImpl *ti)
         int i;
 
         g_assert(parent->class_size <= ti->class_size);
+        g_assert(parent->instance_size <= ti->instance_size);
         memcpy(ti->class, parent->class, parent->class_size);
         ti->class->interfaces = NULL;
         ti->class->properties = g_hash_table_new_full(
-- 
1.8.3.1





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