Date: Sun, 1 Jun 1997 23:00:30 -0700 (PDT) From: phils@pixelogix.com To: FreeBSD-gnats-submit@FreeBSD.ORG Subject: ports/3754: tcptrace-3.2.5 Message-ID: <199706020600.XAA09361@casa.plan.pixelogix.com> Resent-Message-ID: <199706020610.XAA29438@hub.freebsd.org>
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>Number: 3754
>Category: ports
>Synopsis: tcptrace long format causes segmentation fault
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-ports
>State: open
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sun Jun 1 23:10:00 PDT 1997
>Last-Modified:
>Originator: Phil Staub
>Organization:
Audio Precision, Inc.
>Release: FreeBSD 2.2.1-RELEASE i386
>Environment:
Local ethernet network consisting of multiple 486/Pentium class
machines connected via NE2000 clone ethernet boards.
Captured tcpdump file.
>Description:
When invoked with -l command line switch, tcptrace will segmentation
fault in the middle of printing analysis summary.
>How-To-Repeat:
Using a file written with tcpdump with the -w option, invoke tcptrace
with the -l option. Segmentation fault will occur following printing of
the SYN/FIN pkts sent line.
>Fix:
Apply the following patch to the file output.c in the source distribution:
*** output.c.orig Sun Jun 1 22:24:28 1997
--- output.c Sun Jun 1 22:21:23 1997
***************
*** 261,270 ****
pba->syn_count, pba->fin_count),(int)bufr));
if (pab->f1323_ws || pba->f1323_ws || pab->f1323_ts || pba->f1323_ts) {
StatlineI("req 1323 ws/ts","","%s",
! sprintf(bufl,"%c/%c",
! pab->f1323_ws?'Y':'N',pab->f1323_ts?'Y':'N'),
! sprintf(bufl,"%c/%c",
! pba->f1323_ws?'Y':'N',pba->f1323_ts?'Y':'N'));
}
if (pab->f1323_ws || pba->f1323_ws) {
StatlineI("adv wind scale","","%d",
--- 261,270 ----
pba->syn_count, pba->fin_count),(int)bufr));
if (pab->f1323_ws || pba->f1323_ws || pab->f1323_ts || pba->f1323_ts) {
StatlineI("req 1323 ws/ts","","%s",
! (sprintf(bufl,"%c/%c",
! pab->f1323_ws?'Y':'N',pab->f1323_ts?'Y':'N'),(int)bufl),
! (sprintf(bufr,"%c/%c",
! pba->f1323_ws?'Y':'N',pba->f1323_ts?'Y':'N'),(int)bufr));
}
if (pab->f1323_ws || pba->f1323_ws) {
StatlineI("adv wind scale","","%d",
>Audit-Trail:
>Unformatted:
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