From b5db04003da54badc86fd279b9c7f6f8d613af39 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Fri, 26 Aug 2011 09:00:39 +0200
Subject: auth: Fix a segfault in ssh_userauth_kbdint_init().

---
 src/auth.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/auth.c b/src/auth.c
index 41ca13a..19a0b2e 100644
--- a/src/auth.c
+++ b/src/auth.c
@@ -1521,6 +1521,10 @@ static int ssh_userauth_kbdint_init(ssh_session session,
     }
 
     /* submethods */
+    if (submethods == NULL) {
+        submethods = "";
+    }
+
     str = ssh_string_from_char(submethods);
     if (rc < 0) {
         goto fail;
-- 
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