Date: Sun, 30 Dec 2001 05:59:50 -0800 (PST) From: David Xu <davidx@viasoft.com.cn> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/33344: memory leak in device resource config load Message-ID: <200112301359.fBUDxoI89069@freefall.freebsd.org>
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>Number: 33344
>Category: kern
>Synopsis: memory leak in device resource config load
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sun Dec 30 06:00:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator: David Xu
>Release: FreeBSD 4.5 prerelease
>Organization:
viasoft.com.cn
>Environment:
FreeBSD slim.viasoft.com.cn 4.5-PRERELEASE FreeBSD 4.5-PRERELEASE #2:
Sun Dec 30 21:00:32 CST 2001 root@slim.viasoft.com.cn:/p3/src/sys/compile/xu i386
>Description:
in file /sys/kern/subr_bus.c, there are memory leak when kernel initializes config_devtab resources. the bug is in resource_new_name().
>How-To-Repeat:
>Fix:
--- subr_bus.c.orig Sun Dec 30 20:49:12 2001
+++ subr_bus.c Sun Dec 30 20:59:43 2001
@@ -1381,6 +1381,8 @@
new[devtab_count].unit = unit;
new[devtab_count].resource_count = 0;
new[devtab_count].resources = NULL;
+ if (devtab && devtab != config_devtab)
+ free(devtab, M_TEMP);
devtab = new;
return devtab_count++;
}
>Release-Note:
>Audit-Trail:
>Unformatted:
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