[Bug 1903516] [NEW] aborted (core dumped) when using ConnectTimeout > 2147483

[Bert Hekman]

Public bug reported:

The ssh client fails with the message "Aborted (core dumped)" when
setting the ConnectTimeout to 2147484 or higher.

lsb_release: Linux Mint 20 (but also tested this on latest ubuntu:20.04 docker container)
openssh-client version: 1:8.2p1-4ubuntu0.1

I expected that either the connect timeout would be used correctly, or
that it would fail with a proper error message saying the connect
timeout can't be higher than 2147483.

What happened:

$ ssh -o "ConnectTimeout=2147484" localhost
Aborted (core dumped)

** Affects: openssh (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1903516

Title:
  aborted (core dumped) when using ConnectTimeout > 2147483

Status in openssh package in Ubuntu:
  New

Bug description:
  The ssh client fails with the message "Aborted (core dumped)" when
  setting the ConnectTimeout to 2147484 or higher.

  lsb_release: Linux Mint 20 (but also tested this on latest ubuntu:20.04 docker container)
  openssh-client version: 1:8.2p1-4ubuntu0.1

  I expected that either the connect timeout would be used correctly, or
  that it would fail with a proper error message saying the connect
  timeout can't be higher than 2147483.

  What happened:

  $ ssh -o "ConnectTimeout=2147484" localhost
  Aborted (core dumped)

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