Check initgroups() return value.

--HG--
branch : 1.7

diff --git a/sudo_nss.c b/sudo_nss.c
index e21aaae495681dc3612092b4470ed06c2ed26913..fc6989edb6898e545a4b300c259d5f0302722813 100644 (file)
--- a/sudo_nss.c
+++ b/sudo_nss.c
@@ -214,7 +214,8 @@ reset_groups(pw)
 # ifdef HAVE_SETAUTHDB
         aix_setauthdb(pw->pw_name);
 # endif
-       (void) initgroups(pw->pw_name, pw->pw_gid);
+       if (initgroups(pw->pw_name, pw->pw_gid) == -1)
+           log_error(USE_ERRNO|MSG_ONLY, "can't reset group vector");
        efree(user_groups);
        user_groups = NULL;
        if ((user_ngroups = getgroups(0, NULL)) > 0) {