Zero pointers in sudo_user struct after freeing, just in case.

diff --git a/plugins/sudoers/sudoers.c b/plugins/sudoers/sudoers.c
index 3d697837cba27d21ea03fa0b0cf9fbcee20bffc2..c639e2080258852f1d78d322927f4e692ee79fd7 100644 (file)
--- a/plugins/sudoers/sudoers.c
+++ b/plugins/sudoers/sudoers.c
@@ -269,12 +269,19 @@ sudoers_policy_close(int exit_status, int error_code)
 
     /* Free remaining references to password and group entries. */
     sudo_pw_delref(sudo_user.pw);
+    sudo_user.pw = NULL;
     sudo_pw_delref(runas_pw);
-    if (runas_gr != NULL)
+    runas_pw = NULL;
+    if (runas_gr != NULL) {
        sudo_gr_delref(runas_gr);
-    if (user_group_list != NULL)
+       runas_gr = NULL;
+    }
+    if (user_group_list != NULL) {
        sudo_grlist_delref(user_group_list);
+       user_group_list = NULL;
+    }
     efree(user_gids);
+    user_gids = NULL;
 
     debug_return;
 }