[Bug 1522] New: MaxSessions=0 causes client to hang

[bugzilla-daemon at bugzilla.mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=1522

           Summary: MaxSessions=0 causes client to hang
           Product: Portable OpenSSH
           Version: 5.1p1
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: sshd
        AssignedTo: unassigned-bugs at mindrot.org
        ReportedBy: imorgan at nas.nasa.gov


When MaxSessions=0 is set in the sshd_config, client connections hang.
Port forwardings requested on the ssh command-line still work, assuming
the server allows them, but the client is unresponsive to any keyborad
input. Neither ~. nor ^C will close the session.

Based on comments from Damien, the solution may be to to replace a call
to channel_free() with chan_mark_dead() in channels.c.

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