check pw_passwd != NULL here too

Again, for systems with broken NIS implementations.

Prompted by coolbugcheckers AT gmail.com

1 files changed, 3 insertions, 0 deletions

diff --git a/auth-passwd.c b/auth-passwd.c
index 65f525184..24fcb67b2 100644
--- a/auth-passwd.c
+++ b/auth-passwd.c
@@ -198,6 +198,9 @@ 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);