Re: sshd dies with compression

From: Dan Million (lio_at_ornl.gov)
Date: 06/23/03 

Date: Mon, 23 Jun 2003 07:12:44 -0400

Darren Tucker wrote:
> In article <bcs3me$d91$1@sws1.ctd.ornl.gov>, Dan Million <lio@ornl.gov> wrote:
>
>>Greetings. We're using OpenSSH 3.6.1p1, mostly on AIX,
>
> [snip]
>
>>buffer_append_space: alloc 10506240 not supported
>>debug1: Calling cleanup 0x200349f8(0x0)
>
> [snip]
>
>>Anyone got any suggestions on why this happens on AIX 5.1 but
>>not 4.3?
>
>
> There have been reports of this type caused by a problem with zlib which
> were cured by compiling and installing the current zlib (1.1.4, I think).
>
> Perhaps your boxes have different zlibs?

Thank you. I'm using zlib 1.1.4, statically linked to OpenSSH.

> Also, I've seen the gcc shipped with AIX 5.1 (gcc-2.9something)
> miscompile openssl which cause problems with DH authentication. If
> you're using that I suggest upgrading it and recompiling openssl, zlib
> and openssh (or if upgrading is not possible, recompiling without
> optimization).

I use the AIX VAC compiler. I will look into recompiling, however.

Dan

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