Date: Wed, 17 Nov 1999 15:52:44 -0500 (EST) From: lab@gta.com To: FreeBSD-gnats-submit@freebsd.org Subject: kern/14958: memory leak in UDP blackhole processing in udp_usrreq.c for current Message-ID: <199911172052.PAA06285@sec.gta.com>
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>Number: 14958
>Category: kern
>Synopsis: memory leak in UDP blackhole processing in udp_usrreq.c
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Nov 17 12:50:00 PST 1999
>Closed-Date:
>Last-Modified:
>Originator: Larry Baird
>Release: FreeBSD 4.0
>Organization:
Global Technology Associates
>Environment:
FreeBSD 4.0 source code for udp_usreq.c
>Description:
The logic for blackhole processing does not free mbufs if the
blackhole flag is set.
>How-To-Repeat:
Send some UDP packets to unopened ports on a FreeBSD 4.0 box with
UDP blackhole turned on.
>Fix:
*** udp_usrreq.c Wed Nov 10 11:58:47 1999
--- /tmp/udp_usrreq.c Wed Nov 17 15:50:58 1999
***************
*** 307,312 ****
--- 307,314 ----
#endif
if (!blackhole)
icmp_error(m, ICMP_UNREACH, ICMP_UNREACH_PORT, 0, 0);
+ else
+ goto bad;
return;
}
>Release-Note:
>Audit-Trail:
>Unformatted:
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