LU-4629 libcfs: fix buffer overflow of string buffer

[fs/lustre-release.git] / lnet / klnds / socklnd / socklnd.c

diff --git a/lnet/klnds/socklnd/socklnd.c b/lnet/klnds/socklnd/socklnd.c
index e798cf8..36d4322 100644 (file)
--- a/lnet/klnds/socklnd/socklnd.c
+++ b/lnet/klnds/socklnd/socklnd.c
@@ -2649,8 +2649,8 @@ ksocknal_enumerate_interfaces(ksock_net_t *net)
 
                 net->ksnn_interfaces[j].ksni_ipaddr = ip;
                 net->ksnn_interfaces[j].ksni_netmask = mask;
-               strncpy(&net->ksnn_interfaces[j].ksni_name[0],
-                       names[i], IFNAMSIZ);
+               strlcpy(net->ksnn_interfaces[j].ksni_name,
+                       names[i], sizeof(net->ksnn_interfaces[j].ksni_name));
                 j++;
         }
 
@@ -2833,8 +2833,9 @@ ksocknal_startup (lnet_ni_t *ni)
                                 goto fail_1;
                         }
 
-                       strncpy(&net->ksnn_interfaces[i].ksni_name[0],
-                               ni->ni_interfaces[i], IFNAMSIZ);
+                       strlcpy(net->ksnn_interfaces[i].ksni_name,
+                               ni->ni_interfaces[i],
+                               sizeof(net->ksnn_interfaces[i].ksni_name));
                }
                net->ksnn_ninterfaces = i;
        }