I've observed the leak with GET and v3 AuthNoPriv. I believe
that GET-NEXT and GET-BULK would show the problem also.
I am running an agent session that receives these requests.
-SEan
On Jul 8, 2014, at 11:10 AM, Bill Fenner wrote:
On Tue, Jun 24, 2014 at 3:47 AM, Sean Burke <sean.bu...@pacbell.net>
wrote:
Hi All,
I am writing to ask about this code in 5.7.2.1 snmp_api.c at line
5423.
I am specifically concerned with the constraint pdu->command ==
SNMP_MSG_TRAP2,
which appears to interfere with freeing the securityStateRef for
request command
types, e.g. GET, SET, GET-NEXT, GET-BULK.
Testing with valgrind indicates that removing the pdu-command
constraint fixes a leak.
Is this an error, or is there a rationale that I do not understand?
Thanks,
-SEan
/*
* Call USM to free any securityStateRef supplied with the message.
*/
if (pdu != NULL && pdu->securityStateRef &&
pdu->command == SNMP_MSG_TRAP2) {
sptr = find_sec_mod(pdu->securityModel);
if (sptr) {
if (sptr->pdu_free_state_ref) {
(*sptr->pdu_free_state_ref) (pdu->securityStateRef);
} else {
snmp_log(LOG_ERR,
"Security Model %d can't free state references\n",
pdu->securityModel);
}
} else {
snmp_log(LOG_ERR,
"Can't find security model to free ptr: %d\n",
pdu->securityModel);
}
pdu->securityStateRef = NULL;
}
Can you say what operation you perform to cause this leak? (E.g.,
authPriv SNMPv3 GET?)
Bill
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