TLS error callback called twice

[neroux]

• Version: v10.12.0 (issue appeared with 10.0.0, 9.11.2 was fine)
• Platform: Linux 4.9.0-8-amd64 SMP Debian 4.9.110-3+deb9u6 (2018-10-08) x86_64 GNU/Linux
• Subsystem: TLS

Running

./node -e "require('tls').connect({ host: '104.27.165.195', port: 443 }).on('error', error => { console.log(error); });"

on Debian 9 emits twice an error

{ Error: Client network socket disconnected before secure TLS connection was established
    at TLSSocket.onConnectEnd (_tls_wrap.js:1086:19)
    at Object.onceWrapper (events.js:273:13)
    at TLSSocket.emit (events.js:187:15)
    at endReadableNT (_stream_readable.js:1094:12)
    at process._tickCallback (internal/process/next_tick.js:63:19)
  code: 'ECONNRESET',
  path: undefined,
  host: '104.27.165.195',
  port: 443,
  localAddress: undefined }

followed immediately by

[Error: 139716102896512:error:14094410:SSL routines:ssl3_read_bytes:sslv3 alert handshake failure:../deps/openssl/openssl/ssl/record/rec_layer_s3.c:1407:SSL alert number 40
]

It might be an issue with this server's particular TLS configuration, however it still shouldnt emit the error twice, and neither did so before 10.0.

[neroux]

This fix is not yet in 11.0, correct?

[cjihrig]

According to https://nodejs.org/en/blog/release/v11.0.0/, it's in 11.0.0

[neroux]

True, I found it under its PR number. I was looking for the issue. Thanks.