segfault when checking parser error (using SSL) about libevhtp HOT 7 CLOSED

~/Code/libevhtp/build$ openssl genrsa -out pkey 2048
Generating RSA private key, 2048 bit long modulus
.....+++
........+++
e is 65537 (0x10001)

~/Code/libevhtp/build$ openssl req -new -key pkey -out cert.req
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
-----
Country Name (2 letter code) [AU]:
State or Province Name (full name) [Some-State]:
Locality Name (eg, city) []:
Organization Name (eg, company) [Internet Widgits Pty Ltd]:
Organizational Unit Name (eg, section) []:
Common Name (e.g. server FQDN or YOUR name) []:
Email Address []:

Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:
An optional company name []:

~/Code/libevhtp/build$ openssl x509 -req -days 365 -in cert.req -signkey pkey -out cert
Signature ok
subject=/C=AU/ST=Some-State/O=Internet Widgits Pty Ltd
Getting Private key

~/Code/libevhtp/build$ cat pkey cert > test_cert
~/Code/libevhtp/build$ ./examples/test_extensive -s ./test_cert 

ab -k -n 100 -c 50 https://localhost:8081/ 
This is ApacheBench, Version 2.3 <$Revision: 1757674 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient).....done


Server Software:        
Server Hostname:        localhost
Server Port:            8081
SSL/TLS Protocol:       TLSv1.2,AES256-GCM-SHA384,2048,256
TLS Server Name:        localhost

Document Path:          /
Document Length:        594 bytes

Concurrency Level:      50
Time taken for tests:   0.127 seconds
Complete requests:      100
Failed requests:        0
Keep-Alive requests:    100
Total transferred:      68400 bytes
HTML transferred:       59400 bytes
Requests per second:    784.52 [#/sec] (mean)
Time per request:       63.733 [ms] (mean)
Time per request:       1.275 [ms] (mean, across all concurrent requests)
Transfer rate:          524.04 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0   11  13.1      5      38
Processing:    43   52  10.5     45      75
Waiting:        0    9  11.0      1      32
Total:         44   63  18.7     77      83

Percentage of the requests served within a certain time (ms)
  50%     77
  66%     82
  75%     82
  80%     82
  90%     82
  95%     82
  98%     83
  99%     83
 100%     83 (longest request)