[Bug 3872] Interactive input excessively buffered when using a mux socket if ControlPersist is set
    bugzilla-daemon at mindrot.org 
    bugzilla-daemon at mindrot.org
       
    Tue Oct  7 16:33:26 AEDT 2025
    
    
  
https://bugzilla.mindrot.org/show_bug.cgi?id=3872
--- Comment #9 from Damien Miller <djm at mindrot.org> ---
I think the problem is that reads from the client tty are blocking in
channels.c:channel_handle_rfd()
I'd expect reads from the TTY to be non-blocking, but that doesn't seem
to be happening. No idea why yet and I don't understand how
289239046b2c could cause this.
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