From fe8e8f349a553ef4c567acd418aac769a82b7729 Mon Sep 17 00:00:00 2001
From: Damien Miller <djm@mindrot.org>
Date: Thu, 11 Oct 2018 11:03:15 +1100
Subject: [PATCH] check for NULL return from shadow_pw()

probably unreachable on this platform; pointed out by
coolbugcheckers AT gmail.com
---
 openbsd-compat/port-uw.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/openbsd-compat/port-uw.c b/openbsd-compat/port-uw.c
index 9edb1b481..132213131 100644
--- a/openbsd-compat/port-uw.c
+++ b/openbsd-compat/port-uw.c
@@ -60,6 +60,9 @@ sys_auth_passwd(struct ssh *ssh, const char *password)
 	/* Just use the supplied fake password if authctxt is invalid */
 	char *pw_password = authctxt->valid ? shadow_pw(pw) : pw->pw_passwd;
 
+	if (pw_password == NULL)
+		return 0;
+
 	/* Check for users with no password. */
 	if (strcmp(pw_password, "") == 0 && strcmp(password, "") == 0)
 		return (1);