thr3ads.net - openssh unix dev - [Bug 502] New: sshd fails when "Compression yes" set on HPUX [Feb 2003]

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bugzilla-daemon at mindrot.org

2003-Feb-24 22:16 UTC

[Bug 502] New: sshd fails when "Compression yes" set on HPUX

http://bugzilla.mindrot.org/show_bug.cgi?id=502

           Summary: sshd fails when "Compression yes" set on HPUX
           Product: Portable OpenSSH
           Version: 3.5p1
          Platform: HPPA
        OS/Version: HP-UX
            Status: NEW
          Severity: normal
          Priority: P2
         Component: sshd
        AssignedTo: openssh-unix-dev at mindrot.org
        ReportedBy: dbrownell at dynix.com


sshd fails each time when I set "Compression yes" in
/usr/local/etc/sshd_config
on an HPUX 10.20.
OpenSSH version is OpenSSH_3.5p1
zlib version is 1.1.4
OpenSSL version is OpenSSL 0.9.6g 9 Aug 2002
The compiler is the HP C/ANSI C B.10.20.03

syslog on the sshd systems reports:
Feb 24 12:46:32 als3 sshd[15645]: fatal: buffer_append_space: alloc 10506240 not
supported

I've tried recompiling zlib and openssh with different options to no effect.
sshd -ddd shows:
debug3: Seeding PRNG from /usr/local/libexec/ssh-rand-helper
debug1: sshd version OpenSSH_3.5p1
debug1: private host key: #0 type 0 RSA1
debug3: Not a RSA1 key file /usr/local/etc/ssh_host_rsa_key.
debug1: read PEM private key done: type RSA
debug1: private host key: #1 type 1 RSA
debug3: Not a RSA1 key file /usr/local/etc/ssh_host_dsa_key.
debug1: read PEM private key done: type DSA
debug1: private host key: #2 type 2 DSA
debug1: Bind to port 22 on 0.0.0.0.
Server listening on 0.0.0.0 port 22.
Generating 768 bit RSA key.
RSA key generation complete.
debug1: Server will not fork when running in debugging mode.
Connection from 12.168.109.200 port 35213
debug1: Client protocol version 2.0; client software version OpenSSH_3.4p1
debug1: match: OpenSSH_3.4p1 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-1.99-OpenSSH_3.5p1
debug2: Network child is on pid 22200
debug3: preauth child monitor started
debug3:  entering
debug3: privsep user:group 74:74
debug1: permanently_set_uid: 74/74
debug1: list_hostkey_types: ssh-rsa,ssh-dss
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug2: kex_parse_kexinit:
diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1
debug2: kex_parse_kexinit: ssh-rsa,ssh-dss
debug2: kex_parse_kexinit:
aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc
at lysator.liu.se
debug2: kex_parse_kexinit:
aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc
at lysator.liu.se
debug2: kex_parse_kexinit:
hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160 at
openssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit:
hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160 at
openssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: none,zlib
debug2: kex_parse_kexinit: none,zlib
debug2: kex_parse_kexinit:
debug2: kex_parse_kexinit:
debug2: kex_parse_kexinit: first_kex_follows 0
debug2: kex_parse_kexinit: reserved 0
debug2: kex_parse_kexinit:
diffie-hellman-group-exchange-sha1,diffie-hellman-group1-sha1
debug2: kex_parse_kexinit: ssh-rsa,ssh-dss
debug2: kex_parse_kexinit:
aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc
at lysator.liu.se
debug2: kex_parse_kexinit:
aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc
at lysator.liu.se
debug2: kex_parse_kexinit:
hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160 at
openssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit:
hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160 at
openssh.com,hmac-sha1-96,hmac-md5-96
debug2: kex_parse_kexinit: zlib
debug2: kex_parse_kexinit: zlib
debug2: kex_parse_kexinit:
debug2: kex_parse_kexinit:
debug2: kex_parse_kexinit: first_kex_follows 0
debug2: kex_parse_kexinit: reserved 0
debug2: mac_init: found hmac-md5
debug1: kex: client->server aes128-cbc hmac-md5 zlib
debug2: mac_init: found hmac-md5
debug1: kex: server->client aes128-cbc hmac-md5 zlib
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST received
debug3:  entering: type 0
debug3: : waiting for MONITOR_ANS_MODULI
debug3: : checking request 0debug3:  entering: type 1

debug3:  entering
debug3: : got parameters: 1024 2048 8192
debug3:  entering: type 1
debug2: : 0 used once, disabling now
debug3: : remaining 0
debug3:  entering
debug1: SSH2_MSG_KEX_DH_GEX_GROUP sent
debug1: dh_gen_key: priv key bits set: 128/256
debug1: bits set: 1575/3191
debug1: expecting SSH2_MSG_KEX_DH_GEX_INIT
debug1: bits set: 1553/3191
debug3:  entering
debug3:  entering: type 4
debug3: : waiting for MONITOR_ANS_SIGN
debug3:  entering: type 5
debug3:  entering
debug3: : checking request 4
debug3:
debug3: : signature 4002f878(143)
debug3:  entering: type 5
debug2: : 4 used once, disabling now
debug1: SSH2_MSG_KEX_DH_GEX_REPLY sentdebug3:  entering

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: KEX done
debug1: userauth-request for user root service ssh-connection method none
debug1: attempt 0 failures 0
debug3:  entering
debug3:  entering: type 6
debug3: : waiting for MONITOR_ANS_PWNAM
debug3: : checking request 6debug3:  entering: type 7

debug3:  entering
debug3:
debug3: : sending MONITOR_ANS_PWNAM: 1
debug3:  entering: type 7
debug2: : 6 used once, disabling nowdebug2: input_userauth_request: setting up
authctxt for root

debug3:  entering
debug3:  entering
debug3:  entering: type 3
debug2: input_userauth_request: try method nonedebug3: : checking request 3

debug3: : service=ssh-connection, styledebug3:  entering
debug2: : 3 used once, disabling now
debug3:  entering: type 10
debug3:  entering
debug3: : waiting for MONITOR_ANS_AUTHPASSWORD
debug3:  entering: type 11
debug3: : checking request 10
debug3:  enteringdebug3: : sending result 0

debug3:  entering: type 11
debug3: : user not authenticatedFailed none for root from 12.168.109.200 port
35213 ssh2

debug3:  entering
Failed none for root from 12.168.109.200 port 35213 ssh2
debug1: userauth-request for user root service ssh-connection method publickey
debug1: attempt 1 failures 1
debug2: input_userauth_request: try method publickey
debug1: test whether pkalg/pkblob are acceptable
debug3:  entering
debug3:  entering: type 20
debug3: : waiting for MONITOR_ANS_KEYALLOWED
debug3: : checking request 20debug3:  entering: type 21

debug3:  entering
debug3:  entering
debug3: : key_from_blob: 4002f8a0
debug1: temporarily_use_uid: 0/3 (e=0/3)
debug1: trying public key file //.ssh/authorized_keys
debug1: restore_uid: 0/3
debug1: temporarily_use_uid: 0/3 (e=0/3)
debug1: trying public key file //.ssh/authorized_keys2
debug3: secure_filename: checking '/.ssh'
debug3: secure_filename: checking '/'
debug3: secure_filename: terminating check at '/'
debug1: matching key found: file //.ssh/authorized_keys2, line 1
Found matching DSA key: be:ca:c4:c5:ad:b3:4a:7c:42:c1:2d:3e:7e:30:91:e5
debug1: restore_uid: 0/3
debug3: : key 4002f8a0 is allowed
debug3:  entering: type 21
debug3:  entering
debug2: userauth_pubkey: authenticated 0 pkalg ssh-dss
Postponed publickey for root from 12.168.109.200 port 35213 ssh2
debug1: userauth-request for user root service ssh-connection method publickey
debug1: attempt 2 failures 1
debug2: input_userauth_request: try method publickey
debug3:  entering
debug3:  entering: type 20
debug3: : waiting for MONITOR_ANS_KEYALLOWED
debug3:  entering: type 21
debug3: : checking request 20debug3:  entering

debug3:  entering
debug3: : key_from_blob: 4002f8c0
debug1: temporarily_use_uid: 0/3 (e=0/3)
debug1: trying public key file //.ssh/authorized_keys
debug1: restore_uid: 0/3
debug1: temporarily_use_uid: 0/3 (e=0/3)
debug1: trying public key file //.ssh/authorized_keys2
debug3: secure_filename: checking '/.ssh'
debug3: secure_filename: checking '/'
debug3: secure_filename: terminating check at '/'
debug1: matching key found: file //.ssh/authorized_keys2, line 1
Found matching DSA key: be:ca:c4:c5:ad:b3:4a:7c:42:c1:2d:3e:7e:30:91:e5
debug1: restore_uid: 0/3
debug3: : key 4002f8c0 is allowed
debug3:  entering: type 21
debug3:  entering
debug3:  entering
debug3:  entering: type 22
debug3: : waiting for MONITOR_ANS_KEYVERIFY
debug3: : checking request 22debug3:  entering: type 23

debug3:  entering
debug1: ssh_dss_verify: signature correct
debug3: : key 4002f8f0 signature verified
debug3:  entering: type 23
debug2: userauth_pubkey: authenticated 1 pkalg ssh-dss
Accepted publickey for root from 12.168.109.200 port 35213 ssh2
debug3: : Sending new keys: 40030e08 40030d88
debug3: : converting 40030e08
debug3: : converting 40030d88
debug3: : New keys have been sent
debug3: : Sending compression state
debug3:  entering: type 24
debug3: : Finished sending state
Accepted publickey for root from 12.168.109.200 port 35213 ssh2
debug1: : root has been authenticated by privileged process
debug3: : Waiting for new keys
debug3:  entering: type 24
debug3:  entering
debug3: : 4002fba0(118)
debug2: mac_init: found hmac-md5
debug3: : Waiting for second key
debug3: : 4002fba0(118)
debug2: mac_init: found hmac-md5
debug3: : Getting compression state
debug3: : Getting Network I/O buffers
debug3: : Share sync
debug3: : Share sync end
debug1: newkeys: mode 0
debug1: newkeys: mode 1
debug1: Entering interactive session for SSH2.
debug1: fd 3 setting O_NONBLOCK
debug1: fd 7 setting O_NONBLOCK
debug1: server_init_dispatch_20
buffer_append_space: alloc 10506240 not supported
debug1: Calling cleanup 0x4001f72a(0x0)


David Brownell



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Mark Janssen

2003-Feb-24 23:59 UTC

head link

[Bug 502] New: sshd fails when "Compression yes" set on HPUX

On Mon, 2003-02-24 at 23:16, bugzilla-daemon at mindrot.org
wrote:> http://bugzilla.mindrot.org/show_bug.cgi?id=502
> 
>            Summary: sshd fails when "Compression yes" set on HPUX
[snip]> debug1: newkeys: mode 1
> debug1: Entering interactive session for SSH2.
> debug1: fd 3 setting O_NONBLOCK
> debug1: fd 7 setting O_NONBLOCK
> debug1: server_init_dispatch_20
> buffer_append_space: alloc 10506240 not supported
> debug1: Calling cleanup 0x4001f72a(0x0)
Try getting a new zlib and recompiling openssh against that... that
worked for me with this error.

-- 
Mark Janssen -- maniac(at)maniac.nl -- GnuPG Key Id: 357D2178
Unix / Linux, Open-Source and Internet Consultant @ SyConOS IT
Maniac.nl Unix-God.Net|Org MarkJanssen.org|nl SyConOS.com|nl

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