https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212562

Jilles Tjoelker <jil...@freebsd.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jil...@freebsd.org
             Status|New                         |Open

--- Comment #5 from Jilles Tjoelker <jil...@freebsd.org> ---
I can reproduce this bug on head r305285M, also in bhyve. Attaching gdb shows
the parent to be stuck in the waitpid() on line 215 and the child in the
select() on line 172.

The bug seems to be in the test. Sometimes the child takes very long to reach
the select() call and the signal has already happened before that, and the
child blocks indefinitely.

A possible fix would be to block SIGINT instead of installing an empty handler
and using sigwait() to wait for the signal.

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