Changeset 175 for trunk/kernel/mm/khm.c

Timestamp:

Jul 11, 2017, 12:23:33 PM (7 years ago)

Author:

max@…

Message:

detect use-after-frees

File:

• trunk/kernel/mm/khm.c (modified) (1 diff)

trunk/kernel/mm/khm.c

@@ -141 +141 @@
         spinlock_lock(&khm->lock);
 
+        assert( (current->busy == 1) , __FUNCTION__ , "page already freed" );
+
         // release block
         current->busy = 0;