| Index: net/tools/cert_verify_tool/verify_using_cert_verify_proc.cc | 
| diff --git a/net/tools/cert_verify_tool/verify_using_cert_verify_proc.cc b/net/tools/cert_verify_tool/verify_using_cert_verify_proc.cc | 
| index 99cffc25914103387c9eed653601d68aaf81fa44..ba449fd326c73b0f0e54c604720cf453bbd2db0f 100644 | 
| --- a/net/tools/cert_verify_tool/verify_using_cert_verify_proc.cc | 
| +++ b/net/tools/cert_verify_tool/verify_using_cert_verify_proc.cc | 
| @@ -62,6 +62,8 @@ std::string SubjectFromOSCertHandle( | 
| scoped_refptr<net::X509Certificate> cert = | 
| net::X509Certificate::CreateFromHandle( | 
| cert_handle, net::X509Certificate::OSCertHandles()); | 
| +  if (!cert) | 
| +    return std::string(); | 
| return SubjectFromX509Certificate(cert.get()); | 
| } | 
|  | 
|  |