Bugzilla – Attachment 629 Details for
Bug 864
sshd segfaults on connect on SunOS
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gdb log
debuglog2 (text/plain), 8.13 KB, created by
Jay S. Rouman
on 2004-05-08 12:00:27 AEST
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Description:
gdb log
Filename:
MIME Type:
Creator:
Jay S. Rouman
Created:
2004-05-08 12:00:27 AEST
Size:
8.13 KB
patch
obsolete
>remcen[root]:/home/u/jsr/development/exper/openssh-3.8.1p1(6)# gdb ./sshd >GDB is free software and you are welcome to 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. >GDB 4.16 (sparc-sun-sunos4.1.3_U1), >Copyright 1996 Free Software Foundation, Inc... >(gdb) set args -ddd >(gdb) run >Starting program: /home/u/jsr/development/exper/openssh-3.8.1p1/./sshd -ddd >debug3: Seeding PRNG from /usr/local/libexec/ssh-rand-helper >debug2: read_server_config: filename /usr/local/etc/sshd_config >debug1: sshd version OpenSSH_3.8.1p1 >debug1: private host key: #0 type 0 RSA1 >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: #1 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 207.74.88.2 port 47836 >debug1: Client protocol version 2.0; client software version OpenSSH_3.8.1p1 >debug1: match: OpenSSH_3.8.1p1 pat OpenSSH* >debug1: Enabling compatibility mode for protocol 2.0 >debug1: Local version string SSH-1.99-OpenSSH_3.8.1p1 >debug2: Network child is on pid 270 >debug3: preauth child monitor started >debug3: mm_request_receive entering >debug3: privsep user:group 30:35 >debug1: permanently_set_uid: 30/35 >debug1: list_hostkey_types: 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-dss >debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,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,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 >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,aes128-ctr,aes192-ctr,aes256-ctr >debug2: kex_parse_kexinit: aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,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 >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: 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_choose_dh: waiting for MONITOR_ANS_MODULI >debug3: mm_answer_moduli: got parameters: 1024 1024 8192 >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 >debug2: monitor_read: 0 used once, disabling now >debug1: SSH2_MSG_KEX_DH_GEX_GROUP sent >debug3: mm_request_receive entering >debug2: dh_gen_key: priv key bits set: 140/256 >debug2: bits set: 539/1026 >debug1: expecting SSH2_MSG_KEX_DH_GEX_INIT >debug2: bits set: 520/1026 >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_answer_sign: signature f6658(55) >debug3: mm_request_receive entering >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 >debug1: userauth-request for user jsr 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_getpwnamallow: waiting for MONITOR_ANS_PWNAM >debug3: mm_answer_pwnamallow >debug3: mm_request_receive_expect entering: type 7 >debug3: mm_request_receive entering >debug3: Trying to reverse map address 207.74.88.2. >debug3: mm_answer_pwnamallow: sending MONITOR_ANS_PWNAM: 1 >debug3: mm_request_send entering: type 7 >debug2: input_userauth_request: setting up authctxt for jsr >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 3 >debug3: mm_answer_authserv: service=ssh-connection, style= >debug2: monitor_read: 3 used once, disabling now >debug3: mm_request_receive entering >debug2: input_userauth_request: try method none >debug3: mm_auth_password entering >debug3: mm_request_send entering: type 10 >debug3: monitor_read: checking request 10 >debug3: mm_auth_password: waiting for MONITOR_ANS_AUTHPASSWORD >debug3: mm_request_receive_expect entering: type 11 >debug3: mm_request_receive entering >debug3: mm_answer_authpassword: sending result 0 >debug3: mm_request_send entering: type 11 >debug3: mm_auth_password: user not authenticated >Failed none for jsr from 207.74.88.2 port 47836 ssh2 >Failed none for jsr from 207.74.88.2 port 47836 ssh2 >debug3: mm_request_receive entering >debug1: userauth-request for user jsr 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: mm_key_allowed entering >debug3: mm_request_send entering: type 20 >debug3: monitor_read: checking request 20 >debug3: mm_key_allowed: waiting for MONITOR_ANS_KEYALLOWED >debug3: mm_answer_keyallowed entering >debug3: mm_request_receive_expect entering: type 21 >debug3: mm_answer_keyallowed: key_from_blob: f9278 >debug3: mm_request_receive entering >debug1: temporarily_use_uid: 101/50 (e=0/1) >debug1: trying public key file /home/u/jsr/.ssh/authorized_keys >debug3: secure_filename: checking '/home/u/jsr/.ssh' >debug3: secure_filename: checking '/home/u/jsr' >debug3: secure_filename: terminating check at '/home/u/jsr' > >Program received signal SIGBUS, Bus error. >0x8bc60 in getrn () >(gdb) bt >#0 0x8bc60 in getrn () >#1 0x8babc in lh_retrieve () >#2 0x68a9c in def_get_class () >#3 0x68c04 in int_new_ex_data () >#4 0x69314 in CRYPTO_new_ex_data () >#5 0x47bb8 in RSA_new_method () >#6 0x48080 in RSA_new () >#7 0x323cc in key_new (type=1) at key.c:61 >#8 0x33b58 in key_from_blob (blob=0xf9268 "ssh-rsa", blen=149) at key.c:696 >#9 0x331c8 in key_read (ret=0xf9378, cpp=0xefffd504) at key.c:443 >#10 0x17388 in user_key_allowed2 (pw=0xf8a08, key=0xf9278, > file=0x100038 "/home/u/jsr/.ssh/authorized_keys") at auth2-pubkey.c:216 >#11 0x17590 in user_key_allowed (pw=0xf8a08, key=0xf9278) at auth2-pubkey.c:264 >#12 0x19aa8 in mm_answer_keyallowed (socket=7, m=0xeffff688) at monitor.c:956 >#13 0x18f44 in monitor_read (pmonitor=0xf64d0, ent=0xe0c2c, pent=0xeffff704) > at monitor.c:420 >#14 0x18b98 in monitor_child_preauth (_authctxt=0x0, pmonitor=0xf64d0) > at monitor.c:308 >#15 0x32e8 in privsep_preauth (authctxt=0xf6498) at sshd.c:599 >#16 0x5508 in main (ac=1008680, av=0xedf90) at sshd.c:1474 >(gdb)
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