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Ladner, Eric (CLAD)

2001-May-25 19:04 UTC

Upgraded to 2.9p1 with no luck..

Howdy,

After upgrading to 2.9 (OpenSSH_2.9p1, SSH protocols 1.5/2.0, OpenSSL
0x0090600f) 
I'm unable to ssh between two systems any more (the two that I've
upgraded).


I've recompiled from the original source several times, each time with no
errors, 
regenerated host keys, regenerated client keys (using rsa), etc., to no
avail.

Below are some relevant snippets of debugging output around where the error
occurs.  
Feel free to contact me regarding any additional information required.  

Output from "ssh -v -v -v pgppt" executed on a HP C240 workstation
(HP-UX
11.0, 
PA-RISC 1.1):

...(lines above here deleted)...
debug1: Host 'pgppt.pasms.chevron.com' is known and matches the RSA host
key.
debug1: Found key in /users/clad/.ssh/known_hosts2:3
debug1: bits set: 981/2049
debug1: ssh_rsa_verify: signature correct
debug1: kex_derive_keys
debug1: newkeys: mode 1
debug1: Enabling compression at level 6.
debug1: SSH2_MSG_NEWKEYS sent
debug1: waiting for SSH2_MSG_NEWKEYS
debug1: newkeys: mode 0
debug1: SSH2_MSG_NEWKEYS received
debug1: done: ssh_kex2.
debug1: send SSH2_MSG_SERVICE_REQUEST
debug1: service_accept: ssh-userauth
debug1: got SSH2_MSG_SERVICE_ACCEPT
debug1: authentications that can continue:
publickey,password,keyboard-interactive
debug3: start over, passed a different list
publickey,password,keyboard-interactive
debug3: preferred publickey,password,keyboard-interactive
debug3: authmethod_lookup publickey
debug3: remaining preferred: password,keyboard-interactive
debug3: authmethod_is_enabled publickey
debug1: next auth method to try is publickey
debug1: try pubkey: /users/clad/.ssh/id_rsa
debug3: send_pubkey_test
debug2: we sent a publickey packet, wait for reply
debug1: input_userauth_pk_ok: pkalg ssh-rsa blen 149 lastkey 4001df30 hint 1
debug2: input_userauth_pk_ok: fp
0f:95:05:08:b7:47:eb:dd:37:ae:71:c1:5a:24:4b:20
debug3: sign_and_send_pubkey
debug1: PEM_read_PrivateKey failed
debug1: read PEM private key done: type <unknown>
Enter passphrase for key '/users/clad/.ssh/id_rsa':
debug1: read PEM private key done: type RSA
debug2: ssh_rsa_sign: done
debug1: ssh-userauth2 successful: method publickey
debug3: clear hostkey 0
debug3: clear hostkey 1
debug3: clear hostkey 2
debug1: channel 0: new [client-session]
debug1: channel_new: 0
debug1: send channel open 0
Memory fault

Output from /usr/local/sbin/sshd -ddd -D on server side (HP K460, HP-UX
11.0, 
PA-RISC 1.1):

debug1: Enabling compression at level 6.
debug1: SSH2_MSG_NEWKEYS sent
debug1: waiting for SSH2_MSG_NEWKEYS
debug1: newkeys: mode 0
debug1: SSH2_MSG_NEWKEYS received
debug1: KEX done
debug1: userauth-request for user clad service ssh-connection method none
debug1: attempt 0 failures 0
debug2: input_userauth_request: setting up authctxt for clad
debug2: input_userauth_request: try method none
Failed none for clad from 26.25.12.170 port 49998 ssh2
debug1: userauth-request for user clad service ssh-connection method
publickey
debug1: attempt 1 failures 1
debug2: input_userauth_request: try method publickey
debug1: test whether pkalg/pkblob are acceptable
debug1: temporarily_use_uid: 101/20 (e=0)
debug1: matching key found: file /home/clad/.ssh/authorized_keys2, line 1
debug1: restore_uid
debug2: userauth_pubkey: authenticated 0 pkalg ssh-rsa
Postponed publickey for clad from 26.25.12.170 port 49998 ssh2
debug1: userauth-request for user clad service ssh-connection method
publickey
debug1: attempt 2 failures 1
debug2: input_userauth_request: try method publickey
debug1: temporarily_use_uid: 101/20 (e=0)
debug1: matching key found: file /home/clad/.ssh/authorized_keys2, line 1
debug1: restore_uid
debug1: ssh_rsa_verify: signature correct
debug2: userauth_pubkey: authenticated 1 pkalg ssh-rsa
Accepted publickey for clad from 26.25.12.170 port 49998 ssh2
debug1: Entering interactive session for SSH2.
debug1: server_init_dispatch_20
Connection closed by remote host.
Closing connection to 26.25.12.170
debug1: compress outgoing: raw data 228, compressed 226, factor 0.99
debug1: compress incoming: raw data 609, compressed 372, factor 0.61
debug1: writing PRNG seed to file /root/.ssh/prng_seed

Lutz Jaenicke

2001-May-25 19:26 UTC

head link

Upgraded to 2.9p1 with no luck..

On Fri, May 25, 2001 at 12:04:57PM -0700, Ladner, Eric (CLAD)
wrote:> After upgrading to 2.9 (OpenSSH_2.9p1, SSH protocols 1.5/2.0, OpenSSL
> 0x0090600f) 
> I'm unable to ssh between two systems any more (the two that I've
upgraded).
> Below are some relevant snippets of debugging output around where the error
> occurs.  
> Feel free to contact me regarding any additional information required.  
> 
> Output from "ssh -v -v -v pgppt" executed on a HP C240
workstation (HP-UX
> 11.0, 
> PA-RISC 1.1):
I am running 2.9p1 on HP-UX 10.20 (platforms are from 710 to C200), so there
is certain probability that we can get it to run :-)
> debug1: channel 0: new [client-session]
> debug1: channel_new: 0
> debug1: send channel open 0
> Memory faultThis is the point to step into debugging. From a Memory fault you should
either get a core dump (but ssh is suid root, so you probably won't get
one) or you can run it under a debugger and will end up at the location
causing the memory fault. You must perform this as root, since ssh is
suid root.

Best regards,
	Lutz
-- 
Lutz Jaenicke                             Lutz.Jaenicke at aet.TU-Cottbus.DE
BTU Cottbus               http://www.aet.TU-Cottbus.DE/personen/jaenicke/
Lehrstuhl Allgemeine Elektrotechnik                  Tel. +49 355 69-4129
Universitaetsplatz 3-4, D-03044 Cottbus              Fax. +49 355 69-4153

Ladner, Eric (CLAD)

2001-May-25 19:50 UTC

head link

Upgraded to 2.9p1 with no luck..

Hmm.. Oddly enough, if I run this as root, connecting to the same user on
the other machine with "ssh -l clad pgppt", it works.  Also used this,
"ssh -2 -l clad -i /home/clad/.ssh/id_rsa pgppt" to force V2 and
authenticate
aginst my own key.  It still works.  Kinda throws a wrinkle into me running
this under root and debugging it.

I'm going to scratch my head on this a bit..

Thanks,

Eric 

-----Original Message-----
From: Lutz Jaenicke [mailto:Lutz.Jaenicke at aet.TU-Cottbus.DE]
Sent: Friday, May 25, 2001 2:27 PM
To: 'openssh-unix-dev at mindrot.org'
Subject: Re: Upgraded to 2.9p1 with no luck..


On Fri, May 25, 2001 at 12:04:57PM -0700, Ladner, Eric (CLAD)
wrote:> After upgrading to 2.9 (OpenSSH_2.9p1, SSH protocols 1.5/2.0, OpenSSL
> 0x0090600f) 
> I'm unable to ssh between two systems any more (the two that I'veupgraded).
> Below are some relevant snippets of debugging output around where the
error> occurs.  
> Feel free to contact me regarding any additional information required.  
> 
> Output from "ssh -v -v -v pgppt" executed on a HP C240
workstation (HP-UX
> 11.0, 
> PA-RISC 1.1):
I am running 2.9p1 on HP-UX 10.20 (platforms are from 710 to C200), so there
is certain probability that we can get it to run :-)
> debug1: channel 0: new [client-session]
> debug1: channel_new: 0
> debug1: send channel open 0
> Memory faultThis is the point to step into debugging. From a Memory fault you should
either get a core dump (but ssh is suid root, so you probably won't get
one) or you can run it under a debugger and will end up at the location
causing the memory fault. You must perform this as root, since ssh is
suid root.

Best regards,
	Lutz
-- 
Lutz Jaenicke                             Lutz.Jaenicke at aet.TU-Cottbus.DE
BTU Cottbus               http://www.aet.TU-Cottbus.DE/personen/jaenicke/
Lehrstuhl Allgemeine Elektrotechnik                  Tel. +49 355 69-4129
Universitaetsplatz 3-4, D-03044 Cottbus              Fax. +49 355 69-4153

Ladner, Eric (CLAD)

2001-May-31 14:20 UTC

head link

Upgraded to 2.9p1 with no luck..

The weird thing is it seems to be dying in the deflate fuction of the 
zlib directory.  I've been running the same zlib library for well over 
a year (zlib 1.1.3, compiled from pristine source).  I recompiled the 
library but that didn't seem to help.  I turned on packet debugging 
and put some extra debug messages in, but it definitly dies in the 
compress routine calling the deflate() function.

Thoughts?

-----Original Message-----
From: Lutz Jaenicke [mailto:Lutz.Jaenicke at aet.TU-Cottbus.DE]
Sent: Friday, May 25, 2001 2:27 PM
To: 'openssh-unix-dev at mindrot.org'
Subject: Re: Upgraded to 2.9p1 with no luck..


On Fri, May 25, 2001 at 12:04:57PM -0700, Ladner, Eric (CLAD)
wrote:> After upgrading to 2.9 (OpenSSH_2.9p1, SSH protocols 1.5/2.0, OpenSSL
> 0x0090600f) 
> I'm unable to ssh between two systems any more (the two that I'veupgraded).
> Below are some relevant snippets of debugging output around where the
error> occurs.  
> Feel free to contact me regarding any additional information required.  
> 
> Output from "ssh -v -v -v pgppt" executed on a HP C240
workstation (HP-UX
> 11.0, 
> PA-RISC 1.1):
I am running 2.9p1 on HP-UX 10.20 (platforms are from 710 to C200), so there
is certain probability that we can get it to run :-)
> debug1: channel 0: new [client-session]
> debug1: channel_new: 0
> debug1: send channel open 0
> Memory faultThis is the point to step into debugging. From a Memory fault you should
either get a core dump (but ssh is suid root, so you probably won't get
one) or you can run it under a debugger and will end up at the location
causing the memory fault. You must perform this as root, since ssh is
suid root.

Best regards,
	Lutz
-- 
Lutz Jaenicke                             Lutz.Jaenicke at aet.TU-Cottbus.DE
BTU Cottbus               http://www.aet.TU-Cottbus.DE/personen/jaenicke/
Lehrstuhl Allgemeine Elektrotechnik                  Tel. +49 355 69-4129
Universitaetsplatz 3-4, D-03044 Cottbus              Fax. +49 355 69-4153

Ladner, Eric (CLAD)

2001-May-31 18:24 UTC

head link

Upgraded to 2.9p1 with no luck..

The only one I have that will compile ANSI-C is gcc 2.95.2.  I used 
whatever default compile optinos that configure devined..

E

-----Original Message-----
From: Lutz Jaenicke [mailto:Lutz.Jaenicke at aet.TU-Cottbus.DE]
Sent: Thursday, May 31, 2001 11:14 AM
To: 'openssh-unix-dev at mindrot.org'
Subject: Re: Upgraded to 2.9p1 with no luck..


On Thu, May 31, 2001 at 07:20:33AM -0700, Ladner, Eric (CLAD)
wrote:> The weird thing is it seems to be dying in the deflate fuction of the 
> zlib directory.  I've been running the same zlib library for well over 
> a year (zlib 1.1.3, compiled from pristine source).  I recompiled the 
> library but that didn't seem to help.  I turned on packet debugging 
> and put some extra debug messages in, but it definitly dies in the 
> compress routine calling the deflate() function.
The deflate() routine will deflate the data into preallocated memory,
so zlib may still be innocent...
> > Output from "ssh -v -v -v pgppt" executed on a HP C240
workstation
(HP-UX> > 11.0, 
> > PA-RISC 1.1):
What compilers did you use? (Wild guesses, because I am running out of
ideas :-)

Best regards,
	Lutz
-- 
Lutz Jaenicke                             Lutz.Jaenicke at aet.TU-Cottbus.DE
BTU Cottbus               http://www.aet.TU-Cottbus.DE/personen/jaenicke/
Lehrstuhl Allgemeine Elektrotechnik                  Tel. +49 355 69-4129
Universitaetsplatz 3-4, D-03044 Cottbus              Fax. +49 355 69-4153

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