Changeset 52008 in vbox for trunk

Timestamp:

Jul 13, 2014 1:50:00 AM (10 years ago)

Author:

vboxsync

Message:

NAT/Net: Fix corner case of incorrect wraparound in ring buffer logic
that may lead to loss of data.

File:

• trunk/src/VBox/NetworkServices/NAT/pxtcp.c (modified) (1 diff)

trunk/src/VBox/NetworkServices/NAT/pxtcp.c

@@ -1763 +1763 @@
         lim = sz - 1;           /* empty slot at the end */
     }
-    else if (lim == 1) {
+    else if (lim == 1 && beg != 0) {
         lim = sz;               /* empty slot at the beginning */
     }