https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264563

Hans Petter Selasky <hsela...@freebsd.org> changed:

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--- Comment #1 from Hans Petter Selasky <hsela...@freebsd.org> ---
Is this perhaps a control pipe?

Can you ktrace the application a figure out who creates the FD?

Returning 0 bytes might be a race condition, that the other end has written
data, but not flushed it before closing the pipe!?

--HPS

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