From: Derrick Brashear <shadow@dementia.org>
Date: Fri, 9 Feb 2007 00:20:28 +0000 (+0000)
Subject: STABLE14-getcbi-limit-addresses-20070208
X-Git-Tag: openafs-stable-1_4_3rc2~16
X-Git-Url: https://git.michaelhowe.org/gitweb/?a=commitdiff_plain;h=693f1c6a2336357ec14cd3b56a49905bd88bed6c;p=packages%2Fo%2Fopenafs.git

STABLE14-getcbi-limit-addresses-20070208

FIXES 36643

don't write addresses (if we have too many) over random memory


(cherry picked from commit 8ecad072df8f6cfa63e1ef4d862611a0f2a75e7b)
---

diff --git a/src/rx/rx_kcommon.c b/src/rx/rx_kcommon.c
index f2e4b25b8..f7572d7da 100644
--- a/src/rx/rx_kcommon.c
+++ b/src/rx/rx_kcommon.c
@@ -524,7 +524,7 @@ shutdown_rxkernel(void)
 int
 rxi_GetcbiInfo(void)
 {
-    int i, j, different = 0;
+    int i, j, different = 0, num = ADDRSPERSITE;
     int rxmtu, maxmtu;
     afs_uint32 ifinaddr;
     afs_uint32 addrs[ADDRSPERSITE];
@@ -533,7 +533,9 @@ rxi_GetcbiInfo(void)
     memset((void *)addrs, 0, sizeof(addrs));
     memset((void *)mtus, 0, sizeof(mtus));
 
-    for (i = 0; i < afs_cb_interface.numberOfInterfaces; i++) {
+    if (afs_cb_interface.numberOfInterfaces < num)
+	num = afs_cb_interface.numberOfInterfaces;
+    for (i = 0; i < num; i++) {
 	if (!afs_cb_interface.mtu[i])
 	    afs_cb_interface.mtu[i] = htonl(1500);
 	rxmtu = (ntohl(afs_cb_interface.mtu[i]) - RX_IPUDP_SIZE);