openssh unix dev - Oct 2001 - [Bug 3] sshd fails to close open file descriptors when forking

http://bugzilla.mindrot.org/show_bug.cgi?id=3

markus at openbsd.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID



------- Additional Comments From markus at openbsd.org  2001-10-23 05:18 -------
daemon() works fine. the hang-on-exit is about fd 0,1,2



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http://bugzilla.mindrot.org/show_bug.cgi?id=3

ralston at pobox.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|INVALID                     |



------- Additional Comments From ralston at pobox.com  2001-10-23 05:48 -------
It doesn't matter whether or not daemon() or some other helper function does
it,
but sshd MUST close all fds from 3 to sysconf(_SC_OPEN_MAX) after forking.

If the hang-on-exit bug is with fds 0/1/2, then indeed, this bug isn't
related
to the hang-on-exit bug.  But it's still a bug.




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markus at openbsd.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|                            |WONTFIX



------- Additional Comments From markus at openbsd.org  2001-10-23 06:34 -------
daemons call daemon(), they do not care about filedescriptors > 3.
btw, i was just told that cat(1) does not close extra filedescriptors,
and i don't think there are more important issues.



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