Changeset 838

Timestamp:

03/25/2012 04:24:14 AM (14 months ago)

Author:

moo

Message:

avoid overflow in memsetptr

Files:

• trunk/processor/head.m4 (modified) (1 diff)

trunk/processor/head.m4

@@ -107 +107 @@
     void **p = (void **) mem;
     void **end = (char *) mem + n;
-    while (p < end) {
+    while (p < end - sizeof(content)) {
         *p = content;
         p += sizeof(content);
+    }
+    if (p < end) {
+        memset(p, -1, end - p);
     }
     return mem;