3.4p1: 'buffer_append_space: alloc 10506240 not supported'

[Thomas Quinot]

Le 2002-07-02, Markus Friedl écrivait :

> can you provide sshd -ddd output, too?

See below. Additionnally, disabling compression seems to work around the
problem (this is a bit strange -- I thought I had tried that...),
at least in the UnixWare case.

Thomas.

debug3: Seeding PRNG from /usr/local/libexec/ssh-rand-helper
debug1: sshd version OpenSSH_3.4p1
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
debug1: Bind to port 2222 on 0.0.0.0.
Server listening on 0.0.0.0 port 2222.
Generating 768 bit RSA key.
RSA key generation complete.
debug1: Server will not fork when running in debugging mode.
Connection from 10.10.0.140 port 3349
debug1: Client protocol version 2.0; client software version OpenSSH_3.4p1 Debian 1:3.4p1-0.0woody1
debug1: match: OpenSSH_3.4p1 Debian 1:3.4p1-0.0woody1 pat OpenSSH*
Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-1.99-OpenSSH_3.4p1
debug2: Network child is on pid 22482
debug3: preauth child monitor started
debug3: mm_request_receive entering
debug3: privsep user:group 102:60001
debug1: list_hostkey_types: ssh-rsa
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
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: mm_request_send entering: type 0
debug3: mm_choose_dh: waiting for MONITOR_ANS_MODULI
debug3: mm_request_receive_expect entering: type 1
debug3: mm_request_receive entering
debug3: monitor_read: checking request 0
debug3: mm_answer_moduli: got parameters: 1024 2048 8192
debug3: mm_request_send entering: type 1
debug2: monitor_read: 0 used once, disabling now
debug3: mm_request_receive entering
debug3: mm_choose_dh: remaining 0
debug1: SSH2_MSG_KEX_DH_GEX_GROUP sent
debug1: dh_gen_key: priv key bits set: 118/256
debug1: bits set: 1589/3191
debug1: expecting SSH2_MSG_KEX_DH_GEX_INIT
debug1: bits set: 1575/3191
debug3: mm_key_sign entering
debug3: mm_request_send entering: type 4
debug3: monitor_read: checking request 4
debug3: mm_answer_sign
debug3: mm_answer_sign: signature 811e360(143)
debug3: mm_request_send entering: type 5
debug2: monitor_read: 4 used once, disabling now
debug3: mm_request_receive entering
debug3: mm_key_sign: waiting for MONITOR_ANS_SIGN
debug3: mm_request_receive_expect entering: type 5
debug3: mm_request_receive entering
debug1: SSH2_MSG_KEX_DH_GEX_REPLY sent
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 quinot service ssh-connection method none
debug1: attempt 0 failures 0
debug3: mm_getpwnamallow entering
debug3: mm_request_send entering: type 6
debug3: mm_getpwnamallow: waiting for MONITOR_ANS_PWNAM
debug3: mm_request_receive_expect entering: type 7
debug3: mm_request_receive entering
debug3: monitor_read: checking request 6
debug3: mm_answer_pwnamallow
debug3: mm_answer_pwnamallow: sending MONITOR_ANS_PWNAM: 1
debug3: mm_request_send entering: type 7
debug2: monitor_read: 6 used once, disabling now
debug3: mm_request_receive entering
debug2: input_userauth_request: setting up authctxt for quinot
debug3: mm_inform_authserv entering
debug3: mm_request_send entering: type 3
debug2: input_userauth_request: try method none
debug3: mm_auth_password entering
debug3: mm_request_send entering: type 10
debug3: mm_auth_password: waiting for MONITOR_ANS_AUTHPASSWORD
debug3: mm_request_receive_expect entering: type 11
debug3: mm_request_receive entering
debug3: monitor_read: checking request 3
debug3: mm_answer_authserv: service=ssh-connection, style=
debug2: monitor_read: 3 used once, disabling now
debug3: mm_request_receive entering
debug3: monitor_read: checking request 10
debug3: mm_answer_authpassword: sending result 0
debug3: mm_request_send entering: type 11
debug3: mm_auth_password: user not authenticated
Failed none for quinot from 10.10.0.140 port 3349 ssh2
Failed none for quinot from 10.10.0.140 port 3349 ssh2
debug3: mm_request_receive entering
debug1: userauth-request for user quinot service ssh-connection method hostbased
debug1: attempt 1 failures 1
debug2: input_userauth_request: try method hostbased
debug1: userauth_hostbased: cuser quinot chost paris.int.domain.com. pkalg ssh-dss slen 55
debug3: mm_key_allowed entering
debug3: mm_request_send entering: type 20
debug3: mm_key_allowed: waiting for MONITOR_ANS_KEYALLOWED
debug3: mm_request_receive_expect entering: type 21
debug3: mm_request_receive entering
debug3: monitor_read: checking request 20
debug3: mm_answer_keyallowed entering
debug3: mm_answer_keyallowed: key_from_blob: 8120be0
debug3: Trying to reverse map address 10.10.0.140.
debug2: userauth_hostbased: chost paris.int.domain.com. resolvedname paris.int.domain.com ipaddr 10.10.0.140
debug2: stripping trailing dot from chost paris.int.domain.com.
debug2: auth_rhosts2: clientuser quinot hostname paris.int.domain.com ipaddr 10.10.0.140
debug1: temporarily_use_uid: 529/101 (e=0)
debug1: restore_uid
debug1: temporarily_use_uid: 529/101 (e=0)
debug1: restore_uid
debug2: userauth_hostbased: access allowed by auth_rhosts2
debug3: check_host_in_hostfile: filename /usr/local/etc/ssh_known_hosts
debug1: temporarily_use_uid: 529/101 (e=0)
debug3: check_host_in_hostfile: filename /paris.a/quinot/.ssh/known_hosts
debug3: key_read: type mismatch
debug1: restore_uid
debug2: check_key_in_hostfiles: key not found for paris.int.domain.com
debug3: check_host_in_hostfile: filename /usr/local/etc/ssh_known_hosts2
debug1: temporarily_use_uid: 529/101 (e=0)
debug3: check_host_in_hostfile: filename /paris.a/quinot/.ssh/known_hosts2
debug3: key_read: type mismatch
debug1: restore_uid
debug2: check_key_in_hostfiles: key not found for paris.int.domain.com
debug3: mm_answer_keyallowed: key 8120be0 is disallowed
debug3: mm_append_debug: Appending debug messages for child
debug3: mm_request_send entering: type 21
debug3: mm_request_receive entering
debug3: mm_send_debug: Sending debug: Accepted by .shosts.
debug3: mm_send_debug: Sending debug: Accepted host paris.int.domain.com ip 10.10.0.140 client_user quinot server_user quinot
debug2: userauth_hostbased: authenticated 0
Failed hostbased for quinot from 10.10.0.140 port 3349 ssh2
debug1: userauth-request for user quinot service ssh-connection method hostbased
debug1: attempt 2 failures 2
debug2: input_userauth_request: try method hostbased
debug1: userauth_hostbased: cuser quinot chost paris.int.domain.com. pkalg ssh-rsa slen 143
debug3: mm_key_allowed entering
debug3: mm_request_send entering: type 20
debug3: mm_key_allowed: waiting for MONITOR_ANS_KEYALLOWED
debug3: mm_request_receive_expect entering: type 21
debug3: mm_request_receive entering
debug3: monitor_read: checking request 20
debug3: mm_answer_keyallowed entering
debug3: mm_answer_keyallowed: key_from_blob: 8120be0
debug2: userauth_hostbased: chost paris.int.domain.com. resolvedname paris.int.domain.com ipaddr 10.10.0.140
debug2: stripping trailing dot from chost paris.int.domain.com.
debug2: auth_rhosts2: clientuser quinot hostname paris.int.domain.com ipaddr 10.10.0.140
debug1: temporarily_use_uid: 529/101 (e=0)
debug1: restore_uid
debug1: temporarily_use_uid: 529/101 (e=0)
debug1: restore_uid
debug2: userauth_hostbased: access allowed by auth_rhosts2
debug3: check_host_in_hostfile: filename /usr/local/etc/ssh_known_hosts
debug1: temporarily_use_uid: 529/101 (e=0)
debug3: check_host_in_hostfile: filename /paris.a/quinot/.ssh/known_hosts
debug3: check_host_in_hostfile: match line 146
debug1: restore_uid
debug2: check_key_in_hostfiles: key ok for paris.int.domain.com
debug3: mm_answer_keyallowed: key 8120be0 is allowed
debug3: mm_append_debug: Appending debug messages for child
debug3: mm_request_send entering: type 21
debug3: mm_request_receive entering
debug3: mm_send_debug: Sending debug: Accepted by .shosts.
debug3: mm_send_debug: Sending debug: Accepted host paris.int.domain.com ip 10.10.0.140 client_user quinot server_user quinot
debug3: mm_key_verify entering
debug3: mm_request_send entering: type 22
debug3: mm_key_verify: waiting for MONITOR_ANS_KEYVERIFY
debug3: mm_request_receive_expect entering: type 23
debug3: mm_request_receive entering
debug3: monitor_read: checking request 22
debug1: ssh_rsa_verify: signature correct
debug3: mm_answer_keyverify: key 8120be0 signature verified
debug3: mm_request_send entering: type 23
debug2: userauth_hostbased: authenticated 1
Accepted hostbased for quinot from 10.10.0.140 port 3349 ssh2
debug3: mm_send_keystate: Sending new keys: 81211f8 8121240
debug3: mm_newkeys_to_blob: converting 81211f8
debug3: mm_newkeys_to_blob: converting 8121240
debug3: mm_send_keystate: New keys have been sent
debug3: mm_send_keystate: Sending compression state
debug3: mm_request_send entering: type 24
debug3: mm_send_keystate: Finished sending state
Accepted hostbased for quinot from 10.10.0.140 port 3349 ssh2
debug1: monitor_child_preauth: quinot has been authenticated by privileged process
debug3: mm_get_keystate: Waiting for new keys
debug3: mm_request_receive_expect entering: type 24
debug3: mm_request_receive entering
debug3: mm_newkeys_from_blob: 8120de0(118)
debug2: mac_init: found hmac-md5
debug3: mm_get_keystate: Waiting for second key
debug3: mm_newkeys_from_blob: 8120de0(118)
debug2: mac_init: found hmac-md5
debug3: mm_get_keystate: Getting compression state
debug3: mm_get_keystate: Getting Network I/O buffers
debug3: mm_share_sync: Share sync
debug3: mm_share_sync: Share sync end
debug2: User child is on pid 22483
debug3: mm_request_receive entering
debug1: newkeys: mode 0
debug1: newkeys: mode 1
debug1: Entering interactive session for SSH2.
debug1: fd 8 setting O_NONBLOCK
debug1: fd 10 setting O_NONBLOCK
debug1: server_init_dispatch_20
buffer_append_space: alloc 10506240 not supported
debug1: Calling cleanup 0x807e3ec(0x0)
debug1: Calling cleanup 0x807e3ec(0x0)

-- 
    Thomas.Quinot at Cuivre.FR.EU.ORG