LU-9245 utils: fix string copy handling within lgss_sk

[fs/lustre-release.git] / lustre / utils / gss / lgss_sk.c

diff --git a/lustre/utils/gss/lgss_sk.c b/lustre/utils/gss/lgss_sk.c
index f7254d2..15ff3fc 100644 (file)
--- a/lustre/utils/gss/lgss_sk.c
+++ b/lustre/utils/gss/lgss_sk.c
@@ -550,7 +550,7 @@ int main(int argc, char **argv)
                generate_prime = type & SK_TYPE_CLIENT;
 
                strncpy(config->skc_nodemap, SK_DEFAULT_NODEMAP,
-                       strlen(SK_DEFAULT_NODEMAP));
+                       sizeof(config->skc_nodemap) - 1);
 
                if (!datafile)
                        datafile = "/dev/random";
@@ -567,9 +567,11 @@ int main(int argc, char **argv)
        if (prime_bits != -1)
                config->skc_prime_bits = prime_bits;
        if (fsname)
-               strncpy(config->skc_fsname, fsname, strlen(fsname));
+               strncpy(config->skc_fsname, fsname,
+                       sizeof(config->skc_fsname) - 1);
        if (nodemap)
-               strncpy(config->skc_nodemap, nodemap, strlen(nodemap));
+               strncpy(config->skc_nodemap, nodemap,
+                       sizeof(config->skc_nodemap) - 1);
        if (mgsnids && parse_mgsnids(mgsnids, config))
                goto error;
        if (sk_validate_config(config)) {