After further investigation, have determined TrapReciever.xs is calling
Perl_newSVpv using the community name and community name length.
If the community name is empty, this is what seems to cause Perl_newSVpv
to crash.
Have worked around this by changing the line in TrapReciever.xs
That reads:
STOREPDU("community", newSVpv(pdu->community,
pdu->community_len));
To instead read:
if (pdu->community_len == 0) {
STOREPDU("community",
newSV(0));
} else {
STOREPDU("community",
newSVpv(pdu->community, pdu->community_len));
}
Then rebuilt and re-installed net-snmp.
Don't know if there is a better place to fix this but the above worked
for me.
-----Original Message-----
From: Neil Davidson
Sent: Thursday, December 29, 2005 5:00 PM
To: 'Wes Hardaker'
Cc: '[email protected]'
Subject: RE: snmptrapd crash on Fedora Core 4
Wes,
(My first attempt to respond, seemed to get bounced by your mail server
am trying again).
The following trap, triggered by removing and re-inserting a module in
our own media converter chassis, as seen in /var/log/messages, seems to
trigger the crash:
Dec 29 16:30:12 fedora1 snmptrapd[21910]: 2005-12-29 16:30:12 icc19
[172.16.4.75] (via UDP: [172.16.4.75]:2429) TRAP, SNMP v1, community
OMNITRON-MIB::omnitron Enterprise Specific Trap
(OMNITRON-MIB::icModcoldstrt) Uptime: 28 days, 13:28:08.26
OMNITRON-MIB::trapchassis.0 = INTEGER: 1 OMNITRON-MIB::trapslot.0
= INTEGER: 7 OMNITRON-MIB::trapcode.0 = INTEGER: 0
OMNITRON-MIB::trapip.0 = IpAddress: 172.16.4.75
OMNITRON-MIB::trapmoduledescription.0 = ""
-----Original Message-----
From: Wes Hardaker [mailto:[EMAIL PROTECTED]
Sent: Thursday, December 29, 2005 4:26 PM
To: Neil Davidson
Cc: [email protected]
Subject: Re: snmptrapd crash on Fedora Core 4
>>>>> On Thu, 29 Dec 2005 11:53:33 -0800, "Neil Davidson"
<[EMAIL PROTECTED]> said:
So are you sending it a trap? If so, how? What triggers the crash
exactly?
--
Wes Hardaker
Sparta, Inc.
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