Date: Wed, 8 Dec 1999 23:06:22 +0100 (CET) From: oliver.fromme@heim3.tu-clausthal.de To: FreeBSD-gnats-submit@freebsd.org Subject: kern/15363: Memory leak in syscons (fix included) Message-ID: <199912082206.XAA00447@baryt.rz.tu-clausthal.de>
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>Number: 15363
>Category: kern
>Synopsis: Memory leak in syscons (fix included)
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Dec 8 14:10:01 PST 1999
>Closed-Date:
>Last-Modified:
>Originator: Oliver Fromme
>Release: FreeBSD 4.0-19991204-CURRENT i386
>Organization:
Clausthal University of Technology
>Environment:
4.0-current
>Description:
There's a memory leak in the history buffer management of
syscons (in 4.0-current). For example, each time the screen
mode of a virtual terminal is changed, the memory of its old
history buffer stays around.
>How-To-Repeat:
>Fix:
This patch is against this file:
src/sys/dev/syscons/schistory.c,v 1.5 1999/09/19 08:58:53
--- src/sys/dev/syscons.orig/schistory.c Sun Sep 19 10:58:53 1999
+++ src/sys/dev/syscons/schistory.c Wed Dec 8 09:53:33 1999
@@ -135,6 +135,7 @@
if (prev_history != NULL) {
extra_history_size += delta;
sc_vtb_destroy(prev_history);
+ free(prev_history, M_DEVBUF);
}
scp->history = history;
>Release-Note:
>Audit-Trail:
>Unformatted:
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