Afternoon,

Until recently we'd disabled `make test` because of certificate problems - we've re-enabled it (using `make check`) but are getting intermittent failures (around 50% of CI runs). Below is the output from the logs - I can't see what's gone wrong, can anyone shed any light?

2018.07.04 09:59:36 LOG7[ui]: Clients allowed=14648 2018.07.04 09:59:36 LOG7[ui]: errno: (*__errno_location ()) 2018.07.04 09:59:36 LOG7[ui]: Compression disabled 2018.07.04 09:59:36 LOG7[ui]: No PRNG seeding was required 2018.07.04 09:59:36 LOG7[ui]: Ciphers: HIGH:!aNULL:!SSLv2:!DH:!kDHEPSK 2018.07.04 09:59:36 LOG7[ui]: TLS options: 0x02004004 (+0x00004000, -0x00000000) 2018.07.04 09:59:36 LOG7[ui]: Private key check succeeded 2018.07.04 09:59:36 LOG7[ui]: ECDH initialization 2018.07.04 09:59:36 LOG7[ui]: ECDH initialized with curve prime256v1 2018.07.04 09:59:36 LOG7[ui]: Binding service [server] 2018.07.04 09:59:36 LOG7[ui]: Listening file descriptor created (FD=6) 2018.07.04 09:59:36 LOG7[ui]: Setting accept socket options (FD=6) 2018.07.04 09:59:36 LOG7[ui]: Option SO_REUSEADDR set on accept socket 2018.07.04 09:59:36 LOG7[main]: Created pid file /opt/stunnel/stunnel-5.48/tests/logs/stunnel.pid 2018.07.04 09:59:36 LOG7[cron]: Cron thread initialized 2018.07.04 09:59:36 LOG7[main]: Found 1 ready file descriptor(s) 2018.07.04 09:59:36 LOG7[main]: FD=4 events=0x2001 revents=0x0 2018.07.04 09:59:36 LOG7[main]: FD=6 events=0x2001 revents=0x1 2018.07.04 09:59:36 LOG7[main]: Service [server] accepted (FD=3) from 127.0.0.1:58890 2018.07.04 09:59:36 LOG7[0]: Service [server] started 2018.07.04 09:59:36 LOG7[0]: Setting local socket options (FD=3) 2018.07.04 09:59:36 LOG7[0]: Option TCP_NODELAY set on local socket 2018.07.04 09:59:36 LOG7[0]: TLS state (accept): before SSL initialization 2018.07.04 09:59:36 LOG7[0]: TLS state (accept): before SSL initialization 2018.07.04 09:59:36 LOG7[0]: SNI: no virtual services defined 2018.07.04 09:59:36 LOG7[0]: TLS state (accept): SSLv3/TLS read client hello 2018.07.04 09:59:36 LOG7[0]: TLS state (accept): SSLv3/TLS write server hello 2018.07.04 09:59:36 LOG7[0]: TLS state (accept): SSLv3/TLS write certificate 2018.07.04 09:59:36 LOG7[0]: TLS state (accept): SSLv3/TLS write key exchange 2018.07.04 09:59:36 LOG7[0]: TLS state (accept): SSLv3/TLS write server done 2018.07.04 09:59:36 LOG7[0]: TLS state (accept): SSLv3/TLS write server done 2018.07.04 09:59:36 LOG7[0]: TLS state (accept): SSLv3/TLS read client key exchange 2018.07.04 09:59:36 LOG7[0]: TLS state (accept): SSLv3/TLS read change cipher spec 2018.07.04 09:59:36 LOG7[0]: TLS state (accept): SSLv3/TLS read finished 2018.07.04 09:59:36 LOG7[0]: TLS state (accept): SSLv3/TLS write change cipher spec 2018.07.04 09:59:36 LOG7[0]: TLS state (accept): SSLv3/TLS write finished 2018.07.04 09:59:36 LOG7[0]: New session callback 2018.07.04 09:59:36 LOG7[0]: 1 server accept(s) requested 2018.07.04 09:59:36 LOG7[0]: 1 server accept(s) succeeded 2018.07.04 09:59:36 LOG7[0]: 0 server renegotiation(s) requested 2018.07.04 09:59:36 LOG7[0]: 0 session reuse(s) 2018.07.04 09:59:36 LOG7[0]: 1 internal session cache item(s) 2018.07.04 09:59:36 LOG7[0]: 0 internal session cache fill-up(s) 2018.07.04 09:59:36 LOG7[0]: 0 internal session cache miss(es) 2018.07.04 09:59:36 LOG7[0]: 0 external session cache hit(s) 2018.07.04 09:59:36 LOG7[0]: 0 expired session(s) retrieved 2018.07.04 09:59:36 LOG7[0]: Compression: null, expansion: null 2018.07.04 09:59:36 LOG7[0]: Setting remote socket options (FD=10) 2018.07.04 09:59:36 LOG7[0]: Option TCP_NODELAY set on remote socket 2018.07.04 09:59:36 LOG7[0]: Remote descriptor (FD=10) initialized 2018.07.04 09:59:36 LOG7[0]: TLS alert (read): warning: close notify 2018.07.04 09:59:36 LOG7[0]: Sent socket write shutdown 2018.07.04 09:59:36 LOG7[0]: Remote descriptor (FD=10) closed 2018.07.04 09:59:36 LOG7[0]: Local descriptor (FD=3) closed 2018.07.04 09:59:36 LOG7[0]: Service [server] finished (0 left) 2018.07.04 09:59:36 LOG7[main]: Found 1 ready file descriptor(s) 2018.07.04 09:59:36 LOG7[main]: FD=4 events=0x2001 revents=0x1 2018.07.04 09:59:36 LOG7[main]: FD=6 events=0x2001 revents=0x0 2018.07.04 09:59:36 LOG7[main]: Dispatching a signal from the signal pipe 2018.07.04 09:59:36 LOG7[main]: Processing SIGCHLD 2018.07.04 09:59:36 LOG7[main]: Retrieving pid statuses with waitpid() 2018.07.04 09:59:36 LOG7[ui]: Clients allowed=14648 2018.07.04 09:59:36 LOG7[ui]: errno: (*__errno_location ()) 2018.07.04 09:59:36 LOG7[ui]: Compression disabled 2018.07.04 09:59:36 LOG7[ui]: No PRNG seeding was required 2018.07.04 09:59:36 LOG7[ui]: Ciphers: HIGH:!aNULL:!SSLv2:!DH:!kDHEPSK 2018.07.04 09:59:36 LOG7[ui]: TLS options: 0x02000004 (+0x00000000, -0x00000000) 2018.07.04 09:59:36 LOG7[ui]: No certificate or private key specified 2018.07.04 09:59:36 LOG7[0]: Service [inetd client] started 2018.07.04 09:59:36 LOG7[0]: s_connect: s_poll_wait 127.0.0.1:4433: waiting 10 seconds 2018.07.04 09:59:36 LOG7[0]: Setting remote socket options (FD=3) 2018.07.04 09:59:36 LOG7[0]: Option TCP_NODELAY set on remote socket 2018.07.04 09:59:36 LOG7[0]: Remote descriptor (FD=3) initialized 2018.07.04 09:59:36 LOG7[0]: TLS state (connect): before SSL initialization 2018.07.04 09:59:36 LOG7[0]: TLS state (connect): SSLv3/TLS write client hello 2018.07.04 09:59:36 LOG7[0]: TLS state (connect): SSLv3/TLS write client hello 2018.07.04 09:59:36 LOG7[0]: TLS state (connect): SSLv3/TLS read server hello 2018.07.04 09:59:36 LOG7[0]: TLS state (connect): SSLv3/TLS read server certificate 2018.07.04 09:59:36 LOG7[0]: TLS state (connect): SSLv3/TLS read server key exchange 2018.07.04 09:59:36 LOG7[0]: TLS state (connect): SSLv3/TLS read server done 2018.07.04 09:59:36 LOG7[0]: TLS state (connect): SSLv3/TLS write client key exchange 2018.07.04 09:59:36 LOG7[0]: TLS state (connect): SSLv3/TLS write change cipher spec 2018.07.04 09:59:36 LOG7[0]: TLS state (connect): SSLv3/TLS write finished 2018.07.04 09:59:36 LOG7[0]: TLS state (connect): SSLv3/TLS write finished 2018.07.04 09:59:36 LOG7[0]: TLS state (connect): SSLv3/TLS read change cipher spec 2018.07.04 09:59:36 LOG7[0]: TLS state (connect): SSLv3/TLS read finished 2018.07.04 09:59:36 LOG7[0]: New session callback 2018.07.04 09:59:36 LOG7[0]: Peer certificate was cached (1241 bytes) 2018.07.04 09:59:36 LOG7[0]: 1 client connect(s) requested 2018.07.04 09:59:36 LOG7[0]: 1 client connect(s) succeeded 2018.07.04 09:59:36 LOG7[0]: 0 client renegotiation(s) requested 2018.07.04 09:59:36 LOG7[0]: 0 session reuse(s) 2018.07.04 09:59:36 LOG7[0]: Compression: null, expansion: null 2018.07.04 09:59:36 LOG7[0]: Sending close_notify alert 2018.07.04 09:59:36 LOG7[0]: TLS alert (write): warning: close notify 2018.07.04 09:59:36 LOG7[0]: Remote descriptor (FD=3) closed 2018.07.04 09:59:36 LOG7[0]: Service [inetd client] finished (0 left) 2018.07.04 09:59:36 LOG7[0]: Deallocating section defaults 2018.07.04 09:59:36 LOG7[main]: Found 1 ready file descriptor(s) 2018.07.04 09:59:36 LOG7[main]: FD=4 events=0x2001 revents=0x1 2018.07.04 09:59:36 LOG7[main]: FD=6 events=0x2001 revents=0x0 2018.07.04 09:59:36 LOG7[main]: Dispatching a signal from the signal pipe 2018.07.04 09:59:36 LOG7[main]: Processing SIGNAL_TERMINATE 2018.07.04 09:59:36 LOG7[main]: Leak detection table utilization: 86/997, 8.63% 2018.07.04 09:59:36 LOG7[main]: Removed pid file /opt/stunnel/stunnel-5.48/tests/logs/stunnel.pid 2018.07.04 09:59:36 LOG7[main]: Deallocating section defaults

Regards,

Ian Bamforth Senior Software Engineer Operations & Planning Systems Division

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