Segmentation fault when processing SNMP

Geoffroy Arnoud garnoud at yahoo.co.uk
Mon Feb 5 16:10:08 CET 2007


Hi all,

I am experiencing FreeRADIUS SNMP with FreeRADIUS CVS
snapshot (20070201).
I use Net-SNMP.

FreeRADIUS makes a segmentation fault when processing
the following SNMP request:
snmpwalk -Cc -v 1 -m
/PATH-TO-MIBs/RADIUS-AUTH-SERVER-MIB.txt -c verysecret
172.26.233.2 radiusAuth

I use the configuration "out-of-the-box", except for
snmp.conf, that is:
smux_password = verysecret
snmp_write_access = yes

I run radiusd -X. Here is the output:

[garnoud at loo sbin]$ ./radiusd -X
Config:   including file:
/users/garnoud/freeradius/V2-20070201/etc/raddb/radiusd.conf
Config:   including file:
/users/garnoud/freeradius/V2-20070201/etc/raddb/proxy.conf
Config:   including file:
/users/garnoud/freeradius/V2-20070201/etc/raddb/clients.conf
Config:   including file:
/users/garnoud/freeradius/V2-20070201/etc/raddb/snmp.conf
Config:   including file:
/users/garnoud/freeradius/V2-20070201/etc/raddb/eap.conf
Config:   including file:
/users/garnoud/freeradius/V2-20070201/etc/raddb/sql.conf
Config:   including file:
/users/garnoud/freeradius/V2-20070201/etc/raddb/sql/mysql-dialup.conf
FreeRADIUS Version 2.0.0-pre0, for host
i686-pc-linux-gnu, built on Feb  5 2007 at 14:49:12
Starting - reading configuration files ...
read_config_files:  reading dictionary
 main: prefix =
"/users/garnoud/freeradius/V2-20070201"
 main: localstatedir =
"/users/garnoud/freeradius/V2-20070201/var"
 main: logdir =
"/users/garnoud/freeradius/V2-20070201/var/log/radius"
 main: libdir =
"/users/garnoud/freeradius/V2-20070201/lib"
 main: radacctdir =
"/users/garnoud/freeradius/V2-20070201/var/log/radius/radacct"
 main: hostname_lookups = no
 main: snmp = yes
 main: max_request_time = 30
 main: cleanup_delay = 5
 main: max_requests = 1024
 main: delete_blocked_requests = 0
 main: allow_core_dumps = no
 main: log_stripped_names = no
 main: log_file =
"/users/garnoud/freeradius/V2-20070201/var/log/radius/radius.log"
 main: log_auth = no
 main: log_auth_badpass = no
 main: log_auth_goodpass = no
 main: pidfile =
"/users/garnoud/freeradius/V2-20070201/var/run/radiusd/radiusd.pid"
 main: checkrad =
"/users/garnoud/freeradius/V2-20070201/sbin/checkrad"
 main: debug_level = 0
 main: proxy_requests = yes
 log: syslog_facility = "daemon"
 proxy: retry_delay = 5
 proxy: retry_count = 3
 proxy: default_fallback = yes
 proxy: dead_time = 120
 proxy: wake_all_if_all_dead = no
 security: max_attributes = 200
 security: reject_delay = 1
 security: status_server = no
read_config_files:  reading realms
 main: port = 1812
 listen: type = "auth"
 listen: ipaddr = *
 listen: port = 0
 listen: type = "acct"
 listen: ipaddr = *
 listen: port = 0
 client: secret = "testing123"
 client: shortname = "localhost"
 client: nastype = "other"
radiusd:  entering modules setup
Module: Library search path is
/users/garnoud/freeradius/V2-20070201/lib
Module: Loaded exec
 exec: wait = yes
 exec: input_pairs = "request"
 exec: shell_escape = yes
rlm_exec: wait=yes but no output defined. Did you mean
output=none?
Module: Instantiated exec (exec)
Module: Loaded expr
Module: Instantiated expr (expr)
Module: Loaded expiration
 expiration: reply-message = "Password Has Expired  "
Module: Instantiated expiration (expiration)
Module: Loaded logintime
 logintime: reply-message = "You are calling outside
your allowed timespan  "
 logintime: minimum-timeout = 60
Module: Instantiated logintime (logintime)
Module: Loaded PAP
 pap: encryption_scheme = "auto"
 pap: auto_header = no
Module: Instantiated pap (pap)
Module: Loaded CHAP
Module: Instantiated chap (chap)
Module: Loaded MS-CHAP
 mschap: use_mppe = yes
 mschap: require_encryption = no
 mschap: require_strong = no
 mschap: with_ntdomain_hack = no
Module: Instantiated mschap (mschap)
Module: Loaded System
 unix: radwtmp =
"/users/garnoud/freeradius/V2-20070201/var/log/radius/radwtmp"
Module: Instantiated unix (unix)
Module: Loaded eap
 eap: default_eap_type = "md5"
 eap: timer_expire = 60
 eap: ignore_unknown_eap_types = no
 eap: cisco_accounting_username_bug = no
rlm_eap: Loaded and initialized type md5
rlm_eap: Loaded and initialized type leap
 gtc: challenge = "Password: "
 gtc: auth_type = "PAP"
rlm_eap: Loaded and initialized type gtc
 mschapv2: with_ntdomain_hack = no
rlm_eap: Loaded and initialized type mschapv2
Module: Instantiated eap (eap)
Module: Loaded preprocess
 preprocess: huntgroups =
"/users/garnoud/freeradius/V2-20070201/etc/raddb/huntgroups"
 preprocess: hints =
"/users/garnoud/freeradius/V2-20070201/etc/raddb/hints"
 preprocess: with_ascend_hack = no
 preprocess: ascend_channels_per_line = 23
 preprocess: with_ntdomain_hack = no
 preprocess: with_specialix_jetstream_hack = no
 preprocess: with_cisco_vsa_hack = no
 preprocess: with_alvarion_vsa_hack = no
Module: Instantiated preprocess (preprocess)
Module: Loaded realm
 realm: format = "suffix"
 realm: delimiter = "@"
 realm: ignore_default = no
 realm: ignore_null = no
Module: Instantiated realm (suffix)
Module: Loaded files
 files: usersfile =
"/users/garnoud/freeradius/V2-20070201/etc/raddb/users"
 files: acctusersfile =
"/users/garnoud/freeradius/V2-20070201/etc/raddb/acct_users"
 files: preproxy_usersfile =
"/users/garnoud/freeradius/V2-20070201/etc/raddb/preproxy_users"
 files: compat = "no"
Module: Instantiated files (files)
Module: Loaded Acct-Unique-Session-Id
 acct_unique: key = "User-Name, Acct-Session-Id,
NAS-IP-Address, Client-IP-Address, NAS-Port"
Module: Instantiated acct_unique (acct_unique)
Module: Loaded detail
 detail: detailfile =
"/users/garnoud/freeradius/V2-20070201/var/log/radius/radacct/%{Client-IP-Address}/detail-%Y%m%d"
 detail: header = "%t"
 detail: detailperm = 384
 detail: dirperm = 493
 detail: locking = no
 detail: log_packet_header = no
Module: Instantiated detail (detail)
Module: Loaded radutmp
 radutmp: filename =
"/users/garnoud/freeradius/V2-20070201/var/log/radius/radutmp"
 radutmp: username = "%{User-Name}"
 radutmp: case_sensitive = yes
 radutmp: check_with_nas = yes
 radutmp: perm = 384
 radutmp: callerid = yes
Module: Instantiated radutmp (radutmp)
Module: Loaded attr_filter
 attr_filter: attrsfile =
"/users/garnoud/freeradius/V2-20070201/etc/raddb/attrs.accounting_response"
 attr_filter: key = "%{User-Name}"
Module: Instantiated attr_filter
(attr_filter.accounting_response)
 attr_filter: attrsfile =
"/users/garnoud/freeradius/V2-20070201/etc/raddb/attrs.access_reject"
 attr_filter: key = "%{User-Name}"
Module: Instantiated attr_filter
(attr_filter.access_reject)
 main: smux_password = "verysecret"
 main: snmp_write_access = yes
SMUX connect try 1
SMUX open oid: 1.3.6.1.4.1.3317.1.3.1
SMUX open progname: radiusd
SMUX open password: verysecret
SMUX register oid: 1.3.6.1.2.1.67.1.1.1.1
SMUX register priority: -1
SMUX register operation: 2
SMUX register oid: 1.3.6.1.2.1.67.2.1.1.1
SMUX register priority: -1
SMUX register operation: 2
Initializing the thread pool...
Listening on authentication address * port 1812
Listening on accounting address * port 1813
Listening on proxy address * port 1814
Ready to process requests.
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 12
SMUX message received type: 67 rest len: 4
SMUX_RRSP
SMUX_RRSP value: 0 errstat: 0
--- Walking the entire request list ---
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 32
SMUX message received type: 161 rest len: 28
SMUX_GETNEXT
SMUX GET message parse: len 28
SMUX GET reqid: 33 len: 25
SMUX GET errstat 0 len: 22
SMUX GET errindex 0 len: 19
SMUX var parse: len 19
SMUX var parse: type 48 len 15
SMUX var parse: type must be 48
Request OID: 1.3.6.1.2.1.67.1
SMUX val_type: 5
ASN_NULL
SMUX function call index is 1
SMUX GETRSP send
SMUX GETRSP reqid: 33
SMUX GETRSP errstat: 0
SMUX GETRSP errindex: 0
SMUX getresp send: 128
--- Walking the entire request list ---
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 37
SMUX message received type: 161 rest len: 33
SMUX_GETNEXT
SMUX GET message parse: len 33
SMUX GET reqid: 34 len: 30
SMUX GET errstat 0 len: 27
SMUX GET errindex 0 len: 24
SMUX var parse: len 24
SMUX var parse: type 48 len 20
SMUX var parse: type must be 48
Request OID: 1.3.6.1.2.1.67.1.1.1.1.1.0
SMUX val_type: 5
ASN_NULL
SMUX function call index is 1
SMUX function call index is 2
SMUX GETRSP send
SMUX GETRSP reqid: 34
SMUX GETRSP errstat: 0
SMUX GETRSP errindex: 0
SMUX getresp send: 39
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 37
SMUX message received type: 161 rest len: 33
SMUX_GETNEXT
SMUX GET message parse: len 33
SMUX GET reqid: 35 len: 30
SMUX GET errstat 0 len: 27
SMUX GET errindex 0 len: 24
SMUX var parse: len 24
SMUX var parse: type 48 len 20
SMUX var parse: type must be 48
Request OID: 1.3.6.1.2.1.67.1.1.1.1.2.0
SMUX val_type: 5
ASN_NULL
SMUX function call index is 2
SMUX function call index is 3
SMUX GETRSP send
SMUX GETRSP reqid: 35
SMUX GETRSP errstat: 0
SMUX GETRSP errindex: 0
SMUX getresp send: 39
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 37
SMUX message received type: 161 rest len: 33
SMUX_GETNEXT
SMUX GET message parse: len 33
SMUX GET reqid: 36 len: 30
SMUX GET errstat 0 len: 27
SMUX GET errindex 0 len: 24
SMUX var parse: len 24
SMUX var parse: type 48 len 20
SMUX var parse: type must be 48
Request OID: 1.3.6.1.2.1.67.1.1.1.1.3.0
SMUX val_type: 5
ASN_NULL
SMUX function call index is 3
SMUX function call index is 4
SMUX GETRSP send
SMUX GETRSP reqid: 36
SMUX GETRSP errstat: 0
SMUX GETRSP errindex: 0
SMUX getresp send: 38
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 37
SMUX message received type: 161 rest len: 33
SMUX_GETNEXT
SMUX GET message parse: len 33
SMUX GET reqid: 37 len: 30
SMUX GET errstat 0 len: 27
SMUX GET errindex 0 len: 24
SMUX var parse: len 24
SMUX var parse: type 48 len 20
SMUX var parse: type must be 48
Request OID: 1.3.6.1.2.1.67.1.1.1.1.4.0
SMUX val_type: 5
ASN_NULL
SMUX function call index is 4
SMUX function call index is 5
SMUX GETRSP send
SMUX GETRSP reqid: 37
SMUX GETRSP errstat: 0
SMUX GETRSP errindex: 0
SMUX getresp send: 38
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 37
SMUX message received type: 161 rest len: 33
SMUX_GETNEXT
SMUX GET message parse: len 33
SMUX GET reqid: 38 len: 30
SMUX GET errstat 0 len: 27
SMUX GET errindex 0 len: 24
SMUX var parse: len 24
SMUX var parse: type 48 len 20
SMUX var parse: type must be 48
Request OID: 1.3.6.1.2.1.67.1.1.1.1.5.0
SMUX val_type: 5
ASN_NULL
SMUX function call index is 5
SMUX function call index is 6
SMUX GETRSP send
SMUX GETRSP reqid: 38
SMUX GETRSP errstat: 0
SMUX GETRSP errindex: 0
SMUX getresp send: 38
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 37
SMUX message received type: 161 rest len: 33
SMUX_GETNEXT
SMUX GET message parse: len 33
SMUX GET reqid: 39 len: 30
SMUX GET errstat 0 len: 27
SMUX GET errindex 0 len: 24
SMUX var parse: len 24
SMUX var parse: type 48 len 20
SMUX var parse: type must be 48
Request OID: 1.3.6.1.2.1.67.1.1.1.1.6.0
SMUX val_type: 5
ASN_NULL
SMUX function call index is 6
SMUX function call index is 7
SMUX GETRSP send
SMUX GETRSP reqid: 39
SMUX GETRSP errstat: 0
SMUX GETRSP errindex: 0
SMUX getresp send: 38
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 37
SMUX message received type: 161 rest len: 33
SMUX_GETNEXT
SMUX GET message parse: len 33
SMUX GET reqid: 40 len: 30
SMUX GET errstat 0 len: 27
SMUX GET errindex 0 len: 24
SMUX var parse: len 24
SMUX var parse: type 48 len 20
SMUX var parse: type must be 48
Request OID: 1.3.6.1.2.1.67.1.1.1.1.7.0
SMUX val_type: 5
ASN_NULL
SMUX function call index is 7
SMUX function call index is 8
SMUX GETRSP send
SMUX GETRSP reqid: 40
SMUX GETRSP errstat: 0
SMUX GETRSP errindex: 0
SMUX getresp send: 38
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 37
SMUX message received type: 161 rest len: 33
SMUX_GETNEXT
SMUX GET message parse: len 33
SMUX GET reqid: 41 len: 30
SMUX GET errstat 0 len: 27
SMUX GET errindex 0 len: 24
SMUX var parse: len 24
SMUX var parse: type 48 len 20
SMUX var parse: type must be 48
Request OID: 1.3.6.1.2.1.67.1.1.1.1.8.0
SMUX val_type: 5
ASN_NULL
SMUX function call index is 8
SMUX function call index is 9
SMUX GETRSP send
SMUX GETRSP reqid: 41
SMUX GETRSP errstat: 0
SMUX GETRSP errindex: 0
SMUX getresp send: 38
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 37
SMUX message received type: 161 rest len: 33
SMUX_GETNEXT
SMUX GET message parse: len 33
SMUX GET reqid: 42 len: 30
SMUX GET errstat 0 len: 27
SMUX GET errindex 0 len: 24
SMUX var parse: len 24
SMUX var parse: type 48 len 20
SMUX var parse: type must be 48
Request OID: 1.3.6.1.2.1.67.1.1.1.1.9.0
SMUX val_type: 5
ASN_NULL
SMUX function call index is 9
SMUX function call index is 10
SMUX GETRSP send
SMUX GETRSP reqid: 42
SMUX GETRSP errstat: 0
SMUX GETRSP errindex: 0
SMUX getresp send: 38
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 37
SMUX message received type: 161 rest len: 33
SMUX_GETNEXT
SMUX GET message parse: len 33
SMUX GET reqid: 43 len: 30
SMUX GET errstat 0 len: 27
SMUX GET errindex 0 len: 24
SMUX var parse: len 24
SMUX var parse: type 48 len 20
SMUX var parse: type must be 48
Request OID: 1.3.6.1.2.1.67.1.1.1.1.10.0
SMUX val_type: 5
ASN_NULL
SMUX function call index is 10
SMUX function call index is 11
SMUX GETRSP send
SMUX GETRSP reqid: 43
SMUX GETRSP errstat: 0
SMUX GETRSP errindex: 0
SMUX getresp send: 38
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 37
SMUX message received type: 161 rest len: 33
SMUX_GETNEXT
SMUX GET message parse: len 33
SMUX GET reqid: 44 len: 30
SMUX GET errstat 0 len: 27
SMUX GET errindex 0 len: 24
SMUX var parse: len 24
SMUX var parse: type 48 len 20
SMUX var parse: type must be 48
Request OID: 1.3.6.1.2.1.67.1.1.1.1.11.0
SMUX val_type: 5
ASN_NULL
SMUX function call index is 11
SMUX function call index is 12
SMUX GETRSP send
SMUX GETRSP reqid: 44
SMUX GETRSP errstat: 0
SMUX GETRSP errindex: 0
SMUX getresp send: 38
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 37
SMUX message received type: 161 rest len: 33
SMUX_GETNEXT
SMUX GET message parse: len 33
SMUX GET reqid: 45 len: 30
SMUX GET errstat 0 len: 27
SMUX GET errindex 0 len: 24
SMUX var parse: len 24
SMUX var parse: type 48 len 20
SMUX var parse: type must be 48
Request OID: 1.3.6.1.2.1.67.1.1.1.1.12.0
SMUX val_type: 5
ASN_NULL
SMUX function call index is 12
SMUX function call index is 13
SMUX GETRSP send
SMUX GETRSP reqid: 45
SMUX GETRSP errstat: 0
SMUX GETRSP errindex: 0
SMUX getresp send: 38
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 37
SMUX message received type: 161 rest len: 33
SMUX_GETNEXT
SMUX GET message parse: len 33
SMUX GET reqid: 46 len: 30
SMUX GET errstat 0 len: 27
SMUX GET errindex 0 len: 24
SMUX var parse: len 24
SMUX var parse: type 48 len 20
SMUX var parse: type must be 48
Request OID: 1.3.6.1.2.1.67.1.1.1.1.13.0
SMUX val_type: 5
ASN_NULL
SMUX function call index is 13
SMUX function call index is 14
SMUX GETRSP send
SMUX GETRSP reqid: 46
SMUX GETRSP errstat: 0
SMUX GETRSP errindex: 0
SMUX getresp send: 38
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 37
SMUX message received type: 161 rest len: 33
SMUX_GETNEXT
SMUX GET message parse: len 33
SMUX GET reqid: 47 len: 30
SMUX GET errstat 0 len: 27
SMUX GET errindex 0 len: 24
SMUX var parse: len 24
SMUX var parse: type 48 len 20
SMUX var parse: type must be 48
Request OID: 1.3.6.1.2.1.67.1.1.1.1.14.0
SMUX val_type: 5
ASN_NULL
SMUX function call index is 14
SMUX function call index is 2
SMUX GETRSP send
SMUX GETRSP reqid: 47
SMUX GETRSP errstat: 0
SMUX GETRSP errindex: 0
SMUX getresp send: 59
Nothing to do.  Sleeping until we see a request.
SMUX read start
SMUX read len: 39
SMUX message received type: 161 rest len: 35
SMUX_GETNEXT
SMUX GET message parse: len 35
SMUX GET reqid: 48 len: 32
SMUX GET errstat 0 len: 29
SMUX GET errindex 0 len: 26
SMUX var parse: len 26
SMUX var parse: type 48 len 22
SMUX var parse: type must be 48
Request OID: 1.3.6.1.2.1.67.1.1.1.1.15.1.2.1
SMUX val_type: 5
ASN_NULL
SMUX function call index is 2
SMUX function call index is 3
Segmentation fault

Has anyone already encountered this issue?

Best regards,
Geoff.


	

	
		
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