Date: Sun, 12 Nov 2000 12:40:35 +0100 (CET) From: mavetju@chello.nl To: FreeBSD-gnats-submit@freebsd.org Subject: bin/22787: [PATCH] telnet dumps core after connecting to host with long name Message-ID: <20001112114035.605C337A@d9168.dtk.chello.nl>
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>Number: 22787
>Category: bin
>Synopsis: telnet dumps core after connecting to a host with a long name
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sun Nov 12 03:50:00 PST 2000
>Closed-Date:
>Last-Modified:
>Originator: Edwin Groothuis
>Release: FreeBSD 4.0-RELEASE i386
>Organization:
-
>Environment:
standard freebsd system
>Description:
As described in freebsd-questions last week:
telnet dumps core when trying to connect to
www.llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch.co.uk
>How-To-Repeat:
[~] edwin@p6>telnet www.llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch.co.uk 80
Trying 194.42.244.17...
Illegal instruction (core dumped)
>Fix:
Note: it will *still* crash now on systems which don't have
MAXHOSTNAMELEN defined in sys/params.h.
--- /usr/src/usr.bin/telnet/commands.c Fri Mar 3 12:13:09 2000
+++ commands.c Sun Nov 12 12:35:13 2000
@@ -2723,7 +2723,7 @@
int gotmachine = 0;
int l1 = strlen(m1);
int l2 = strlen(m2);
- char m1save[64];
+ char m1save[MAXHOSTNAMELEN];
if (skiprc)
return;
>Release-Note:
>Audit-Trail:
>Unformatted:
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