Attachment 93465 Details for Bug 101800 – GDB output for sshd (Red Hat Linux 8, openssh-server-3.4p1-4)

GDB output for sshd (Red Hat Linux 8, openssh-server-3.4p1-4)

GDB output for sshd (Red Hat Linux 8, openssh-server-3.4p1-4).txt (text/plain), 8.09 KB, created by Economou, Matthew on 2003-08-06 23:33:35 UTC

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Creator: Economou, Matthew

Created: 2003-08-06 23:33:35 UTC

Size: 8.09 KB

patch

obsolete

># gdb `which sshd`
>GNU gdb Red Hat Linux (5.2.1-4)
>Copyright 2002 Free Software Foundation, Inc.
>GDB is free software, covered by the GNU General Public License, and you are
>welcome to change it and/or distribute copies of it under certain conditions.
>Type "show copying" to see the conditions.
>There is absolutely no warranty for GDB.  Type "show warranty" for details.
>This GDB was configured as "i386-redhat-linux"...(no debugging symbols found)...
>(gdb) run -ddd -p 2022
>Starting program: /usr/sbin/sshd -ddd -p 2022
>debug1: sshd version OpenSSH_3.4p1
>debug3: Not a RSA1 key file /etc/ssh/ssh_host_rsa_key.
>debug1: read PEM private key done: type RSA
>debug1: private host key: #0 type 1 RSA
>debug3: Not a RSA1 key file /etc/ssh/ssh_host_dsa_key.
>debug1: read PEM private key done: type DSA
>debug1: private host key: #1 type 2 DSA
>socket: Address family not supported by protocol
>debug1: Bind to port 2022 on 0.0.0.0.
>Server listening on 0.0.0.0 port 2022.
>debug1: Server will not fork when running in debugging mode.
>Connection from 127.0.0.1 port 1055
>debug1: Client protocol version 2.0; client software version OpenSSH_3.4p1
>debug1: match: OpenSSH_3.4p1 pat OpenSSH*
>Enabling compatibility mode for protocol 2.0
>debug1: Local version string SSH-2.0-OpenSSH_3.4p1
>debug2: Network child is on pid 1225
>debug3: preauth child monitor started
>debug3: mm_request_receive entering
>debug3: privsep user:group 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@lysator.liu.se
>debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se
>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
>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@lysator.liu.se
>debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc@lysator.liu.se
>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
>debug2: kex_parse_kexinit: none
>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 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: 145/256
>debug1: bits set: 1564/3191
>debug1: expecting SSH2_MSG_KEX_DH_GEX_INIT
>debug1: bits set: 1608/3191
>debug3: mm_key_sign entering
>debug3: mm_request_send entering: type 4
>debug3: monitor_read: checking request 4
>debug3: mm_answer_sign
>debug3: mm_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 0x80a4e68(143)
>debug3: mm_request_send entering: type 5
>debug1: SSH2_MSG_KEX_DH_GEX_REPLY sent
>debug1: kex_derive_keys
>debug1: newkeys: mode 1
>debug1: SSH2_MSG_NEWKEYS sent
>debug1: waiting for SSH2_MSG_NEWKEYS
>debug2: monitor_read: 4 used once, disabling now
>debug3: mm_request_receive entering
>debug1: newkeys: mode 0
>debug1: SSH2_MSG_NEWKEYS received
>debug1: KEX done
>debug1: userauth-request for user xenophon 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 xenophon
>debug3: mm_start_pam entering
>debug3: mm_request_send entering: type 37
>debug3: mm_inform_authserv entering
>debug3: mm_request_send entering: type 3
>debug2: input_userauth_request: try method none
>debug3: mm_auth2_read_banner entering
>debug3: mm_request_send entering: type 8
>debug3: mm_request_receive_expect entering: type 9
>debug3: mm_request_receive entering
>debug3: monitor_read: checking request 37
>debug1: Starting up PAM with username "xenophon"
>debug3: Trying to reverse map address 127.0.0.1.
>debug1: PAM setting rhost to "localhost.localdomain"
>debug2: monitor_read: 37 used once, disabling now
>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 8
>debug3: mm_request_send entering: type 9
>debug2: monitor_read: 8 used once, disabling now
>debug3: mm_request_receive entering
>debug1: userauth_banner: sent
>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 10
>
>Program received signal SIGSEGV, Segmentation fault.
>0x40210618 in malloc_consolidate () from /lib/libc.so.6
>(gdb) backtrace
>#0  0x40210618 in malloc_consolidate () from /lib/libc.so.6
>#1  0x4020fd85 in _int_malloc () from /lib/libc.so.6
>#2  0x4020f484 in malloc () from /lib/libc.so.6
>#3  0x40183442 in krb5_sendto_kdc () from /usr/kerberos/lib/libkrb5.so.3
>#4  0x4016c043 in send_as_request () from /usr/kerberos/lib/libkrb5.so.3
>#5  0x4016d260 in krb5_get_init_creds () from /usr/kerberos/lib/libkrb5.so.3
>#6  0x4016e6a4 in krb5_get_init_creds_password () from /usr/kerberos/lib/libkrb5.so.3
>#7  0x404ba36b in pam_sm_authenticate () from /lib/security/pam_krb5.so
>#8  0x4001bba9 in _pam_dispatch_aux () from /lib/libpam.so.0
>#9  0x4001bd33 in _pam_dispatch () from /lib/libpam.so.0
>#10 0x400158df in pam_sm_chauthtok () from /lib/security/pam_stack.so
>#11 0x40014c4e in pam_sm_authenticate () from /lib/security/pam_stack.so
>#12 0x4001bba9 in _pam_dispatch_aux () from /lib/libpam.so.0
>#13 0x4001bd33 in _pam_dispatch () from /lib/libpam.so.0
>#14 0x4001d828 in pam_authenticate () from /lib/libpam.so.0
>#15 0x0805487a in strcpy ()
>#16 0x08054bbc in strcpy ()
>#17 0x08055619 in strcpy ()
>#18 0x0805f8b1 in strcpy ()
>#19 0x0805f090 in strcpy ()
>#20 0x0805ed55 in strcpy ()
>#21 0x0804d651 in strcpy ()
>#22 0x0804e750 in strcpy ()
>#23 0x401b74ed in __libc_start_main () from /lib/libc.so.6
>(gdb) quit
>The program is running.  Exit anyway? (y or n) y
>debug1: Calling cleanup 0x8071320(0x0)

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Attachments on bug 101800: 93465