Mailing List Archive: [Bug 679] fatal: buffer_append_space with compression enabled in putty

[Bug 679] fatal: buffer_append_space with compression enabled in putty

bugzilla-daemon at mindrot

Sep 18, 2003, 7:47 AM

Post #1 of 6 (1197 views)

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@mindrot.org
ReportedBy: chopin+sshzilla@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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[Bug 679] fatal: buffer_append_space with compression enabled in putty [ In reply to ]

bugzilla-daemon at mindrot

Sep 18, 2003, 1:41 PM

Post #2 of 6 (1148 views)

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

------- Additional Comments From dtucker@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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[Bug 679] fatal: buffer_append_space with compression enabled in putty [ In reply to ]

bugzilla-daemon at mindrot

Sep 18, 2003, 2:21 PM

Post #3 of 6 (1147 views)

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

------- Additional Comments From chopin+sshzilla@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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[Bug 679] fatal: buffer_append_space with compression enabled in putty [ In reply to ]

bugzilla-daemon at mindrot

Sep 18, 2003, 2:35 PM

Post #4 of 6 (1141 views)

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

dtucker@zip.com.au changed:

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

------- Additional Comments From dtucker@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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[Bug 679] fatal: buffer_append_space with compression enabled in putty [ In reply to ]

bugzilla-daemon at mindrot

Sep 18, 2003, 7:27 PM

Post #5 of 6 (1144 views)

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

------- Additional Comments From dtucker@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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[Bug 679] fatal: buffer_append_space with compression enabled in putty [ In reply to ]

bugzilla-daemon at mindrot

Sep 21, 2003, 7:30 PM

Post #6 of 6 (1145 views)

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

dtucker@zip.com.au changed:

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

------- Additional Comments From dtucker@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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