Date: Fri, 1 Dec 2000 18:19:49 +0200 (EET) From: bamby@marka.net.ua To: FreeBSD-gnats-submit@freebsd.org Subject: ports/23212: Timeout bug in Merit AAA server Message-ID: <200012011619.SAA88857@bamby.marka.net.ua>
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>Number: 23212
>Category: ports
>Synopsis: Timeout bug in Merit AAA server
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-ports
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Fri Dec 01 08:30:01 PST 2000
>Closed-Date:
>Last-Modified:
>Originator: Andriy I Pilipenko
>Release: FreeBSD 4.1-RELEASE i386
>Organization:
Marka Ltd
>Environment:
>Description:
There is serious bug in handling requests in AATV module of AA_FORK
and AA_FREPLAY types in Merit AAA server. If AATV module not
responding for a long time main server drops original request without
cleaning some critical information (process counter aatv->proc_cnt).
As a result after some definite number of timeouts server stops
responding.
Vendor notified of this problem and fix.
>How-To-Repeat:
Write AATV module that may sleep long enough to make timeout in main
server. Send to server aatv->proc_max requests (16 by default) and
wait for timeout to occure for all requests. Make the AATV module
to respond quickly (without restarting server of course :-) ).
Now you may see that server does not respond at all.
>Fix:
*** radiusd.c.orig Mon Jul 27 23:52:37 1998
--- radiusd.c Wed Nov 29 18:09:48 2000
***************
*** 4467,4473 ****
while ((event = authreq->event_q) != (EVENT_ENT *) NULL)
{
authreq->event_q = event->next;
! free_event_final (event);
}
while ((event = authreq->freed_events) != (EVENT_ENT *) NULL)
--- 4467,4473 ----
while ((event = authreq->event_q) != (EVENT_ENT *) NULL)
{
authreq->event_q = event->next;
! free_event (event);
}
while ((event = authreq->freed_events) != (EVENT_ENT *) NULL)
>Release-Note:
>Audit-Trail:
>Unformatted:
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