[Bug 1131] buffer_append_space: alloc not supported Error with V 4.2p1

Fri Mar 17 09:06:06 EST 2006

http://bugzilla.mindrot.org/show_bug.cgi?id=1131

------- Comment #18 from cove at wildpackets.com  2006-03-17 09:06 -------
It could be a bug in cryptlib, but I had the same problem with libssh and the
first comment in this bug report is with a 3rd implementation.

debug2: load_server_config: filename /usr/local/etc/sshd_config
debug2: load_server_config: done config len = 292
debug2: parse_server_config: config /usr/local/etc/sshd_config len 292
debug1: sshd version OpenSSH_4.3p2
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
debug2: fd 3 setting O_NONBLOCK
debug1: Bind to port 2200 on ::.
Server listening on :: port 2200.
debug2: fd 4 setting O_NONBLOCK
debug1: Bind to port 2200 on 0.0.0.0.
Bind to port 2200 on 0.0.0.0 failed: Address already in use.
Generating 768 bit RSA key.
RSA key generation complete.
debug3: fd 4 is not O_NONBLOCK
debug1: Server will not fork when running in debugging mode.
debug3: Normalising mapped IPv4 in IPv6 address
Connection from 10.4.58.3 port 41973
debug1: Client protocol version 2.0; client software version cryptlib
debug1: no match: cryptlib
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-1.99-OpenSSH_4.3
debug2: fd 4 setting O_NONBLOCK
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-group14-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,arcfour128,arcfour256,arcfour,aes192-cbc,aes256-cbc,rijndael-cbc at 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 at lysator.liu.se,aes128-ctr,aes192-ctr,aes256-ctr
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 at openssh.com
debug2: kex_parse_kexinit: none,zlib at 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-sha1
debug2: kex_parse_kexinit: ssh-rsa
debug2: kex_parse_kexinit: 3des-cbc
debug2: kex_parse_kexinit: 3des-cbc
debug2: kex_parse_kexinit: hmac-sha1
debug2: kex_parse_kexinit: hmac-sha1
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-sha1
debug1: kex: client->server 3des-cbc hmac-sha1 none
debug2: mac_init: found hmac-sha1
debug1: kex: server->client 3des-cbc hmac-sha1 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST_OLD received
debug1: SSH2_MSG_KEX_DH_GEX_GROUP sent
debug2: dh_gen_key: priv key bits set: 206/384
debug2: bits set: 495/1024
debug1: expecting SSH2_MSG_KEX_DH_GEX_INIT
debug2: bits set: 522/1024
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: set_newkeys: mode 0
debug1: SSH2_MSG_NEWKEYS received
debug1: KEX done
debug1: userauth-request for user cove service ssh-connection method password
debug1: attempt 0 failures 0
debug2: input_userauth_request: setting up authctxt for cove
debug1: PAM: initializing for "cove"
debug3: Normalising mapped IPv4 in IPv6 address
debug3: Trying to reverse map address 10.4.58.3.
debug1: PAM: setting PAM_RHOST to "xo.wildpackets.com"
debug1: PAM: setting PAM_TTY to "ssh"
debug2: input_userauth_request: try method password
debug3: PAM: sshpam_passwd_conv called with 1 messages
debug1: PAM: password authentication accepted for cove
debug1: do_pam_account: called
debug3: PAM: do_pam_account pam_acct_mgmt = 0 (Success)
debug3: Normalising mapped IPv4 in IPv6 address
Accepted password for cove from 10.4.58.3 port 41973 ssh2
debug1: Entering interactive session for SSH2.
debug2: fd 6 setting O_NONBLOCK
debug2: fd 7 setting O_NONBLOCK
debug1: server_init_dispatch_20
debug1: server_input_channel_open: ctype session rchan 0 win 2147483647 max
16384
debug1: input_session_request
debug1: channel 0: new [server-session]
debug1: session_new: init
debug1: session_new: session 0
debug1: session_open: channel 0
debug1: session_open: session 0: link with channel 0
debug1: server_input_channel_open: confirm session
debug1: server_input_channel_req: channel 0 request shell reply 0
debug1: session_by_channel: session 0 channel 0
debug1: session_input_channel_req: session 0 req shell
debug1: PAM: establishing credentials
debug2: fd 9 setting O_NONBLOCK
debug3: fd 9 is O_NONBLOCK
debug2: fd 11 setting O_NONBLOCK
debug2: channel 0: read 30 from efd 11
debug2: channel 0: rwin 2147483647 elen 30 euse 1
debug2: channel 0: sent ext data 30
debug2: channel 0: read 41 from efd 11
debug2: channel 0: rwin 2147483617 elen 41 euse 1
debug2: channel 0: sent ext data 41
debug2: channel 0: read 40 from efd 11
debug2: channel 0: rwin 2147483576 elen 40 euse 1
debug2: channel 0: sent ext data 40
debug2: channel 0: read 49 from efd 11
debug2: channel 0: rwin 2147483536 elen 49 euse 1
debug2: channel 0: sent ext data 49
debug2: channel 0: read 13 from efd 11
debug2: channel 0: rwin 2147483487 elen 13 euse 1
debug2: channel 0: sent ext data 13
debug2: channel 0: read 295 from efd 11
debug2: channel 0: rwin 2147483474 elen 295 euse 1
debug2: channel 0: sent ext data 295
 buffer_append_space: alloc 10522112 not supported
zsh: 8776 abort (core dumped)  `pwd`/sshd -p 2200 -ddder

Heres the stack trace:
#0  0x008337a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
(gdb) bt
#0  0x008337a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
#1  0x008737d5 in raise () from /lib/tls/libc.so.6
#2  0x00875149 in abort () from /lib/tls/libc.so.6
#3  0x0806b6f4 in buffer_append_space (buffer=0x93825c0, len=16384)
    at buffer.c:115
#4  0x0806b5a9 in buffer_append (buffer=0x93825c0, data=0xbfeccdf0, len=16384)
    at buffer.c:65
#5  0x0806f1c0 in channel_handle_rfd (c=0x9382580, readset=0x92e1e88,
    writeset=0x92e07b8) at channels.c:1449
#6  0x0806f9bf in channel_post_open (c=0x9382580, readset=0x92e1e88,
    writeset=0x92e07b8) at channels.c:1636
#7  0x0806fe30 in channel_handler (ftab=0x809a480, readset=0x92e1e88,
    writeset=0x92e07b8) at channels.c:1778
#8  0x0806ff41 in channel_after_select (readset=0x92e1e88, writeset=0x92e07b8)
    at channels.c:1817
#9  0x0805536d in server_loop2 (authctxt=0x92d7750) at serverloop.c:805
#10 0x0805cacd in do_authenticated2 (authctxt=0x92d7750) at session.c:2420
#11 0x08058c81 in do_authenticated (authctxt=0x92d7750) at session.c:217
#12 0x0804f928 in main (ac=4, av=0x92d5018) at sshd.c:1755

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