Date: Mon, 1 Feb 2010 17:34:50 +0700 (ICT) From: Olivier Nicole <Olivier.Nicole@cs.ait.ac.th> To: on@cs.ait.ac.th Cc: freebsd-questions@freebsd.org Subject: Re: ssh/sshd cores dump Message-ID: <201002011034.o11AYori032894@banyan.cs.ait.ac.th> In-Reply-To: <201001291055.o0TAtiwd091062@banyan.cs.ait.ac.th> (message from Olivier Nicole on Fri, 29 Jan 2010 17:55:44 %2B0700 (ICT)) References: <201001291055.o0TAtiwd091062@banyan.cs.ait.ac.th>
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Hi again, > I have this weird error since yesterday, one a system that used to be > working nicely, suddenly: > > ssh cores dump when run as non priviledged user, works fine for root > sshd aborts on signal 11 > > I tried to reinstall world, but it is the same. > > There is openssl installed from the ports on that machine (what port > needed it?) as well as ldap/nss_ldap/open_ldap. > > It seems that the problem started when I tried to upgrade openldap > libbrary (openldap-client port). > > I did a little bit more diging: ssh cores dump on a strcmp, from > /lib/libc.so.6; I checked with a working machine, the library are the > same; I checked ssh, they are the same. > > This is very puzzeling. > > Any clue? > > The machine is running 6.4-RELEASE-p9 Some information: ufo2<on>65: uname -a FreeBSD ufo2.cs.ait.ac.th 6.4-RELEASE-p9 FreeBSD 6.4-RELEASE-p9 #0: Fri Jan 29 16:53:47 ICT 2010 root@ufo2.cs.ait.ac.th:/usr/obj/usr/src/sys/SMP amd64 On the server side, for a username that does not exist: ufo2<on>66: sudo sshd -ddd -e sshd re-exec requires execution with an absolute path ufo2<on>67: sudo /usr/sbin/sshd -ddd -e debug2: load_server_config: filename /etc/ssh/sshd_config debug2: load_server_config: done config len = 157 debug2: parse_server_config: config /etc/ssh/sshd_config len 157 debug3: /etc/ssh/sshd_config:111 setting Subsystem sftp /usr/libexec/sftp-server debug1: sshd version OpenSSH_4.5p1 FreeBSD-20061110 debug3: Not a RSA1 key file /etc/ssh/ssh_host_dsa_key. debug1: read PEM private key done: type DSA debug1: private host key: #0 type 2 DSA debug1: rexec_argv[0]='/usr/sbin/sshd' debug1: rexec_argv[1]='-ddd' debug1: rexec_argv[2]='-e' debug2: fd 3 setting O_NONBLOCK debug1: Bind to port 22 on ::. Server listening on :: port 22. debug2: fd 4 setting O_NONBLOCK debug1: Bind to port 22 on 0.0.0.0. Server listening on 0.0.0.0 port 22. >>> Waiting for a connection >>> Connection with a username that does not exist debug1: fd 5 clearing O_NONBLOCK debug1: Server will not fork when running in debugging mode. debug3: send_rexec_state: entering fd = 8 config len 157 debug3: ssh_msg_send: type 0 debug3: send_rexec_state: done debug1: rexec start in 5 out 5 newsock 5 pipe -1 sock 8 debug3: recv_rexec_state: entering fd = 5 debug3: ssh_msg_recv entering debug3: recv_rexec_state: done debug2: parse_server_config: config rexec len 157 debug3: rexec:111 setting Subsystem sftp /usr/libexec/sftp-server debug1: sshd version OpenSSH_4.5p1 FreeBSD-20061110 debug3: Not a RSA1 key file /etc/ssh/ssh_host_dsa_key. debug1: read PEM private key done: type DSA debug1: private host key: #0 type 2 DSA debug1: inetd sockets after dupping: 3, 3 debug1: res_init() Connection from 192.41.170.5 port 63398 debug1: Client protocol version 2.0; client software version OpenSSH_4.5p1 FreeB SD-20061110 debug1: match: OpenSSH_4.5p1 FreeBSD-20061110 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_4.5p1 FreeBSD-20061110 debug2: fd 3 setting O_NONBLOCK debug2: Network child is on pid 16235 debug3: preauth child monitor started debug3: mm_request_receive entering debug3: privsep user:group 22:22 debug1: permanently_set_uid: 22/22 debug1: list_hostkey_types: ssh-dss debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman-g roup-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-dss debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour1 28,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-c tr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour1 28,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-c tr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@open ssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@open ssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,zlib@openssh.com debug2: kex_parse_kexinit: none,zlib@openssh.com 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-sha256,diffie-hellman-g roup-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-dss,ssh-rsa debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour1 28,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-c tr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour1 28,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-c tr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@open ssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@open ssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,zlib@openssh.com,zlib debug2: kex_parse_kexinit: none,zlib@openssh.com,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 none debug2: mac_init: found hmac-md5 debug1: kex: server->client aes128-cbc hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST received debug3: mm_request_send entering: type 0 debug3: monitor_read: checking request 0 debug3: mm_answer_moduli: got parameters: 1024 1024 8192 debug3: mm_choose_dh: waiting for MONITOR_ANS_MODULI debug3: mm_request_receive_expect entering: type 1 debug3: mm_request_receive entering debug3: mm_request_send entering: type 1 debug3: mm_choose_dh: remaining 0 debug1: SSH2_MSG_KEX_DH_GEX_GROUP sent debug2: monitor_read: 0 used once, disabling now debug3: mm_request_receive entering debug2: dh_gen_key: priv key bits set: 117/256 debug2: bits set: 524/1024 debug1: expecting SSH2_MSG_KEX_DH_GEX_INIT debug2: bits set: 495/1024 debug3: mm_key_sign entering debug3: mm_request_send entering: type 4 debug3: monitor_read: checking request 4 debug3: mm_answer_sign debug3: mm_key_sign: waiting for MONITOR_ANS_SIGN debug3: mm_request_receive_expect entering: type 5 debug3: mm_request_receive entering debug3: mm_answer_sign: signature 0x53b380(55) debug3: mm_request_send entering: type 5 debug1: SSH2_MSG_KEX_DH_GEX_REPLY sent debug2: kex_derive_keys debug2: set_newkeys: mode 1 debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug2: monitor_read: 4 used once, disabling now debug3: mm_request_receive entering debug2: set_newkeys: mode 0 debug1: SSH2_MSG_NEWKEYS received debug1: KEX done debug3: Trying to reverse map address 192.41.170.5. debug1: userauth-request for user toto service ssh-connection method none debug1: attempt 0 failures 0 debug3: mm_getpwnamallow entering debug3: mm_request_send entering: type 6 debug3: monitor_read: checking request 6 debug3: mm_answer_pwnamallow debug3: mm_getpwnamallow: waiting for MONITOR_ANS_PWNAM debug3: mm_request_receive_expect entering: type 7 debug3: Trying to reverse map address 192.41.170.5. debug3: mm_request_receive entering debug2: parse_server_config: config reprocess config len 157 debug1: do_cleanup Segmentation fault ufo2<on>68: On the client side: banyan<on>67: ssh -vvv toto@ufo2 OpenSSH_4.5p1 FreeBSD-20061110, OpenSSL 0.9.7e-p1 25 Oct 2004 debug1: Reading configuration data /etc/ssh/ssh_config debug2: ssh_connect: needpriv 0 debug1: Connecting to ufo2.cs.ait.ac.th [192.41.170.61] port 22. debug1: Connection established. debug1: identity file /home/java/on/.ssh/identity type -1 debug1: identity file /home/java/on/.ssh/id_rsa type -1 debug1: identity file /home/java/on/.ssh/id_dsa type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_4.5p1 FreeB SD-20061110 debug1: match: OpenSSH_4.5p1 FreeBSD-20061110 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_4.5p1 FreeBSD-20061110 debug2: fd 4 setting O_NONBLOCK debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman-g roup-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-dss,ssh-rsa debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour1 28,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-c tr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour1 28,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-c tr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@open ssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@open ssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,zlib@openssh.com,zlib debug2: kex_parse_kexinit: none,zlib@openssh.com,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-sha256,diffie-hellman-g roup-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-dss debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour1 28,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-c tr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour1 28,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-c tr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@open ssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@open ssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,zlib@openssh.com debug2: kex_parse_kexinit: none,zlib@openssh.com 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: server->client aes128-cbc hmac-md5 none debug2: mac_init: found hmac-md5 debug1: kex: client->server aes128-cbc hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug2: dh_gen_key: priv key bits set: 131/256 debug2: bits set: 520/1024 debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug3: check_host_in_hostfile: filename /home/java/on/.ssh/known_hosts debug3: check_host_in_hostfile: match line 27 debug1: Host 'ufo2.cs.ait.ac.th' is known and matches the DSA host key. debug1: Found key in /home/java/on/.ssh/known_hosts:27 debug2: bits set: 522/1024 debug1: ssh_dss_verify: signature correct debug2: kex_derive_keys debug2: set_newkeys: mode 1 debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug2: set_newkeys: mode 0 debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug2: service_accept: ssh-userauth debug1: SSH2_MSG_SERVICE_ACCEPT received debug2: key: /home/java/on/.ssh/identity (0x0) debug2: key: /home/java/on/.ssh/id_rsa (0x0) debug2: key: /home/java/on/.ssh/id_dsa (0x0) Connection closed by 192.41.170.61 ---------------- Now the same with a client that exists: ufo2<on>69: sudo /usr/sbin/sshd -ddd -e debug2: load_server_config: filename /etc/ssh/sshd_config debug2: load_server_config: done config len = 157 debug2: parse_server_config: config /etc/ssh/sshd_config len 157 debug3: /etc/ssh/sshd_config:111 setting Subsystem sftp /usr/libexec/sftp-server debug1: sshd version OpenSSH_4.5p1 FreeBSD-20061110 debug3: Not a RSA1 key file /etc/ssh/ssh_host_dsa_key. debug1: read PEM private key done: type DSA debug1: private host key: #0 type 2 DSA debug1: rexec_argv[0]='/usr/sbin/sshd' debug1: rexec_argv[1]='-ddd' debug1: rexec_argv[2]='-e' debug2: fd 3 setting O_NONBLOCK debug1: Bind to port 22 on ::. Server listening on :: port 22. debug2: fd 4 setting O_NONBLOCK debug1: Bind to port 22 on 0.0.0.0. Server listening on 0.0.0.0 port 22. >>> Waiting for connection debug1: Server will not fork when running in debugging mode. debug3: send_rexec_state: entering fd = 8 config len 157 debug3: ssh_msg_send: type 0 debug3: send_rexec_state: done debug1: rexec start in 5 out 5 newsock 5 pipe -1 sock 8 debug3: recv_rexec_state: entering fd = 5 debug3: ssh_msg_recv entering debug3: recv_rexec_state: done debug2: parse_server_config: config rexec len 157 debug3: rexec:111 setting Subsystem sftp /usr/libexec/sftp-server debug1: sshd version OpenSSH_4.5p1 FreeBSD-20061110 debug3: Not a RSA1 key file /etc/ssh/ssh_host_dsa_key. debug1: read PEM private key done: type DSA debug1: private host key: #0 type 2 DSA debug1: inetd sockets after dupping: 3, 3 debug1: res_init() Connection from 192.41.170.5 port 56556 debug1: Client protocol version 2.0; client software version OpenSSH_4.5p1 FreeBSD-20061110 debug1: match: OpenSSH_4.5p1 FreeBSD-20061110 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_4.5p1 FreeBSD-20061110 debug2: fd 3 setting O_NONBLOCK debug2: Network child is on pid 16242 debug3: preauth child monitor started debug3: mm_request_receive entering debug3: privsep user:group 22:22 debug1: permanently_set_uid: 22/22 debug1: list_hostkey_types: ssh-dss debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-dss debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,zlib@openssh.com debug2: kex_parse_kexinit: none,zlib@openssh.com 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-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-dss,ssh-rsa debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,zlib@openssh.com,zlib debug2: kex_parse_kexinit: none,zlib@openssh.com,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 none debug2: mac_init: found hmac-md5 debug1: kex: server->client aes128-cbc hmac-md5 none 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 1024 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 debug2: dh_gen_key: priv key bits set: 124/256 debug2: bits set: 495/1024 debug1: expecting SSH2_MSG_KEX_DH_GEX_INIT debug2: bits set: 512/1024 debug3: mm_key_sign entering debug3: mm_request_send entering: type 4 debug3: mm_key_sign: waiting for MONITOR_ANS_SIGN debug3: monitor_read: checking request 4 debug3: mm_request_receive_expect entering: type 5 debug3: mm_answer_sign debug3: mm_request_receive entering debug3: mm_answer_sign: signature 0x53b380(55) debug3: mm_request_send entering: type 5 debug1: SSH2_MSG_KEX_DH_GEX_REPLY sent debug2: monitor_read: 4 used once, disabling now debug2: kex_derive_keys debug3: mm_request_receive entering debug2: set_newkeys: mode 1 debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug2: set_newkeys: mode 0 debug1: SSH2_MSG_NEWKEYS received debug1: KEX done debug3: Trying to reverse map address 192.41.170.5. debug1: userauth-request for user toor service ssh-connection method none debug1: attempt 0 failures 0 debug3: mm_getpwnamallow entering debug3: mm_request_send entering: type 6 debug3: monitor_read: checking request 6 debug3: mm_answer_pwnamallow debug3: mm_getpwnamallow: waiting for MONITOR_ANS_PWNAM debug3: mm_request_receive_expect entering: type 7 debug3: mm_request_receive entering debug3: Trying to reverse map address 192.41.170.5. debug2: parse_server_config: config reprocess config len 157 debug3: mm_answer_pwnamallow: sending MONITOR_ANS_PWNAM: 1 debug3: mm_request_send entering: type 7 debug2: input_userauth_request: setting up authctxt for toor debug3: mm_start_pam entering debug3: mm_request_send entering: type 45 debug3: mm_inform_authserv entering debug3: mm_request_send entering: type 3 debug2: monitor_read: 6 used once, disabling now debug3: mm_request_receive entering debug3: monitor_read: checking request 45 debug1: PAM: initializing for "toor" debug2: input_userauth_request: try method none debug1: userauth-request for user toor service ssh-connection method keyboard-interactive debug1: attempt 1 failures 1 debug2: input_userauth_request: try method keyboard-interactive debug1: keyboard-interactive devs debug1: auth2_challenge: user=toor devs= debug1: kbdint_alloc: devices 'pam' debug2: auth2_challenge_start: devices pam debug2: kbdint_next_device: devices <empty> debug1: PAM: setting PAM_RHOST to "banyan.cs.ait.ac.th" debug1: auth2_challenge_start: trying authentication method 'pam' debug3: mm_sshpam_init_ctx debug2: monitor_read: 45 used once, disabling now debug3: mm_request_send entering: type 48 debug3: mm_request_receive entering debug3: mm_sshpam_init_ctx: waiting for MONITOR_ANS_PAM_INIT_CTX debug3: monitor_read: checking request 3 debug3: mm_request_receive_expect entering: type 49 debug3: mm_answer_authserv: service=ssh-connection, style= debug3: mm_request_receive entering debug2: monitor_read: 3 used once, disabling now debug3: mm_request_receive entering debug3: monitor_read: checking request 48 debug3: mm_answer_pam_init_ctx debug3: PAM: sshpam_init_ctx entering debug3: mm_request_send entering: type 49 debug3: mm_sshpam_query debug3: mm_request_send entering: type 50 debug3: mm_sshpam_query: waiting for MONITOR_ANS_PAM_QUERY debug3: mm_request_receive_expect entering: type 51 debug3: mm_request_receive entering debug3: mm_request_receive entering debug3: monitor_read: checking request 50 debug3: mm_answer_pam_query debug3: PAM: sshpam_query entering debug3: ssh_msg_recv entering debug3: PAM: sshpam_thread_conv entering, 1 messages debug3: ssh_msg_send: type 1 debug3: ssh_msg_recv entering debug3: mm_request_send entering: type 51 debug3: mm_request_receive entering debug3: mm_sshpam_query: pam_query returned 0 Postponed keyboard-interactive for toor from 192.41.170.5 port 56556 ssh2 >>> Waiting for password debug3: mm_sshpam_respond debug3: mm_request_send entering: type 52 debug3: monitor_read: checking request 52 debug3: mm_answer_pam_respond debug2: PAM: sshpam_respond entering, 0 responses debug3: mm_request_send entering: type 53 debug3: mm_request_receive entering debug3: mm_sshpam_respond: waiting for MONITOR_ANS_PAM_RESPOND debug3: mm_request_receive_expect entering: type 53 debug3: mm_request_receive entering debug3: mm_sshpam_respond: pam_respond returned 0 debug3: mm_sshpam_free_ctx debug3: mm_request_send entering: type 54 debug3: mm_sshpam_free_ctx: waiting for MONITOR_ANS_PAM_FREE_CTX debug3: mm_request_receive_expect entering: type 55 debug3: mm_request_receive entering debug3: monitor_read: checking request 54 debug3: mm_answer_pam_free_ctx debug3: PAM: sshpam_free_ctx entering debug3: PAM: sshpam_thread_cleanup entering debug3: mm_request_send entering: type 55 debug2: monitor_read: 54 used once, disabling now debug3: mm_request_receive_expect entering: type 46 debug3: mm_request_receive entering debug3: mm_do_pam_account entering debug3: mm_request_send entering: type 46 debug3: mm_request_receive_expect entering: type 47 debug3: mm_request_receive entering debug1: do_pam_account: called debug3: mm_request_send entering: type 47 Accepted keyboard-interactive/pam for toor from 192.41.170.5 port 56556 ssh2 debug1: monitor_child_preauth: toor 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_do_pam_account returning 1 debug3: mm_send_keystate: Sending new keys: 0x53f980 0x53f900 debug3: mm_newkeys_to_blob: converting 0x53f980 debug3: mm_newkeys_to_blob: converting 0x53f900 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 debug3: mm_newkeys_from_blob: 0x53f600(122) debug2: mac_init: found hmac-md5 debug3: mm_get_keystate: Waiting for second key debug3: mm_newkeys_from_blob: 0x53f600(122) 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 16244 debug3: mm_request_receive entering debug3: PAM: opening session debug1: PAM: reinitializing credentials debug1: do_cleanup debug1: PAM: cleanup debug3: PAM: sshpam_thread_cleanup entering On the client side: banyan<on>68: ssh -vvv toor@ufo2 OpenSSH_4.5p1 FreeBSD-20061110, OpenSSL 0.9.7e-p1 25 Oct 2004 debug1: Reading configuration data /etc/ssh/ssh_config debug2: ssh_connect: needpriv 0 debug1: Connecting to ufo2.cs.ait.ac.th [192.41.170.61] port 22. debug1: Connection established. debug1: identity file /home/java/on/.ssh/identity type -1 debug1: identity file /home/java/on/.ssh/id_rsa type -1 debug1: identity file /home/java/on/.ssh/id_dsa type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_4.5p1 FreeBSD-20061110 debug1: match: OpenSSH_4.5p1 FreeBSD-20061110 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_4.5p1 FreeBSD-20061110 debug2: fd 4 setting O_NONBLOCK debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug2: kex_parse_kexinit: diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-dss,ssh-rsa debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,zlib@openssh.com,zlib debug2: kex_parse_kexinit: none,zlib@openssh.com,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-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1 debug2: kex_parse_kexinit: ssh-dss debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: hmac-md5,hmac-sha1,hmac-ripemd160,hmac-ripemd160@openssh.com,hmac-sha1-96,hmac-md5-96 debug2: kex_parse_kexinit: none,zlib@openssh.com debug2: kex_parse_kexinit: none,zlib@openssh.com 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: server->client aes128-cbc hmac-md5 none debug2: mac_init: found hmac-md5 debug1: kex: client->server aes128-cbc hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug2: dh_gen_key: priv key bits set: 133/256 debug2: bits set: 512/1024 debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug3: check_host_in_hostfile: filename /home/java/on/.ssh/known_hosts debug3: check_host_in_hostfile: match line 27 debug1: Host 'ufo2.cs.ait.ac.th' is known and matches the DSA host key. debug1: Found key in /home/java/on/.ssh/known_hosts:27 debug2: bits set: 495/1024 debug1: ssh_dss_verify: signature correct debug2: kex_derive_keys debug2: set_newkeys: mode 1 debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug2: set_newkeys: mode 0 debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug2: service_accept: ssh-userauth debug1: SSH2_MSG_SERVICE_ACCEPT received debug2: key: /home/java/on/.ssh/identity (0x0) debug2: key: /home/java/on/.ssh/id_rsa (0x0) debug2: key: /home/java/on/.ssh/id_dsa (0x0) debug1: Authentications that can continue: publickey,keyboard-interactive debug3: start over, passed a different list publickey,keyboard-interactive debug3: preferred publickey,keyboard-interactive,password debug3: authmethod_lookup publickey debug3: remaining preferred: keyboard-interactive,password debug3: authmethod_is_enabled publickey debug1: Next authentication method: publickey debug1: Trying private key: /home/java/on/.ssh/identity debug3: no such identity: /home/java/on/.ssh/identity debug1: Trying private key: /home/java/on/.ssh/id_rsa debug3: no such identity: /home/java/on/.ssh/id_rsa debug1: Trying private key: /home/java/on/.ssh/id_dsa debug3: no such identity: /home/java/on/.ssh/id_dsa debug2: we did not send a packet, disable method debug3: authmethod_lookup keyboard-interactive debug3: remaining preferred: password debug3: authmethod_is_enabled keyboard-interactive debug1: Next authentication method: keyboard-interactive debug2: userauth_kbdint debug2: we sent a keyboard-interactive packet, wait for reply debug2: input_userauth_info_req debug2: input_userauth_info_req: num_prompts 1 Password: >>> Providing the correct password... debug3: packet_send2: adding 32 (len 20 padlen 12 extra_pad 64) debug2: input_userauth_info_req debug2: input_userauth_info_req: num_prompts 0 debug3: packet_send2: adding 48 (len 10 padlen 6 extra_pad 64) debug1: Authentication succeeded (keyboard-interactive). debug1: channel 0: new [client-session] debug3: ssh_session2_open: channel_new: 0 debug2: channel 0: send open debug1: Entering interactive session. debug1: channel 0: free: client-session, nchannels 1 debug3: channel 0: status: The following connections are open: #0 client-session (t3 r-1 i0/0 o0/0 fd 5/6 cfd -1) debug3: channel 0: close_fds r 5 w 6 e 7 c -1 Connection to ufo2.cs.ait.ac.th closed by remote host. Connection to ufo2.cs.ait.ac.th closed. debug1: Transferred: stdin 0, stdout 0, stderr 97 bytes in 0.2 seconds debug1: Bytes per second: stdin 0.0, stdout 0.0, stderr 544.4 debug1: Exit status -1 Best regards, Olivier
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