--- /dev/null
+From 78ebe6c1dab648e3190363cb38ad5be356884494 Mon Sep 17 00:00:00 2001
+From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
+Date: Tue, 5 Jan 2016 21:37:35 +0100
+Subject: [PATCH] don't attempt to open per_user_dir if it is NULL
+
+This addresses a crash in certain libc's.
+---
+ src/config.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/src/config.c b/src/config.c
+index 827a7a0..50db655 100644
+--- a/src/config.c
++++ b/src/config.c
+@@ -617,6 +617,9 @@ static void load_iroutes(struct cfg_st *config)
+ struct dirent *r;
+ char path[_POSIX_PATH_MAX];
+
++ if (config->per_user_dir == NULL)
++ return;
++
+ dir = opendir(config->per_user_dir);
+ if (dir != NULL) {
+ do {
+@@ -626,8 +629,8 @@ static void load_iroutes(struct cfg_st *config)
+ append_iroutes_from_file(config, path);
+ }
+ } while(r != NULL);
++ closedir(dir);
+ }
+- closedir(dir);
+ }
+
+ static void parse_cfg_file(void *pool, const char* file, struct perm_cfg_st *perm_config, unsigned reload)
+--
+2.5.1
+