openssh bugs - Sep 2003 - [Bug 679] fatal: buffer_append_space with compression enabled in putty

http://bugzilla.mindrot.org/show_bug.cgi?id=679

           Summary: fatal: buffer_append_space with compression enabled in
                    putty
           Product: Portable OpenSSH
           Version: 3.7.1p1
          Platform: Sparc
        OS/Version: Solaris
            Status: NEW
          Severity: normal
          Priority: P3
         Component: sshd
        AssignedTo: openssh-bugs at mindrot.org
        ReportedBy: chopin+sshzilla at sgh.waw.pl


When compression is enabled in Putty (0.53b), sshd accepts the keys, username, 
password and then exits, leaving in logs:
fatal: buffer_append_space: alloc 10506240 not supported
Turning off compression in Putty allows to login normally.

It used to work at least with 3.1p1



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------- Additional Comments From dtucker at zip.com.au  2003-09-19 07:41 -------
I have seen similar issue resolved by upgrading zlib to 1.1.4.
What version are you using?



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------- Additional Comments From chopin+sshzilla at sgh.waw.pl  2003-09-19 08:21
-------
Interesting tip. After upgrading zlib to 1.1.4 (and recompiling openssh) it 
works again. Thanks.

Perhaps it's better to document that zlib 1.1.4 is required?



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dtucker at zip.com.au changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |enhancement



------- Additional Comments From dtucker at zip.com.au  2003-09-19 08:35 -------
Good idea, I think we should do that.  Please leave the bug open for now,
we'll
close it when we update the docs.



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------- Additional Comments From dtucker at zip.com.au  2003-09-19 13:27 -------
Should we have configure enforce a minimum level of zlib?   Versions previous to
1.1.4 have security problems anyway.



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dtucker at zip.com.au changed:

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



------- Additional Comments From dtucker at zip.com.au  2003-09-22 13:30 -------
Thanks, have updated INSTALL to require 1.1.4.  Configure does not enforce it,
though.



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