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Date: Tue, 15 Nov 2005 16:08:22 -0600 (CST)
From: Alan Amesbury <amesbury@umn.edu>
Reply-To: Alan Amesbury <amesbury@umn.edu>
To: FreeBSD-gnats-submit@freebsd.org
Cc:
Subject: du reports negative numbers
X-Send-Pr-Version: 3.113
X-GNATS-Notify:

>Number:         89090
>Category:       bin
>Synopsis:       [patch] du(1) reports negative numbers
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Nov 15 22:10:19 GMT 2005
>Closed-Date:    Thu Feb 16 09:25:24 GMT 2006
>Last-Modified:  Thu Feb 16 09:25:24 GMT 2006
>Originator:     Alan Amesbury
>Release:        FreeBSD 5.3-RELEASE-p20 i386
>Organization:
University of Minnesota
>Environment:
System: FreeBSD [REDACTED] 5.3-RELEASE-p20 FreeBSD 5.3-RELEASE-p20 #5: Wed Jul 27 14:19:58 CDT 2005 root@[REDACTED]:/usr/obj/usr/src/sys/OITSEC-5_3-F i386


>Description:
When using 'du' to calculate disk usage for various directories, it will
report negative values for directories with large usage.  For example:

	% cd /somedir/topdir
	% df -m .
	Filesystem 1M-blocks    Used  Avail Capacity  Mounted on
	/dev/da2a    1844272 1405664 291066    83%    /somedir
	% du -sk topdir topdir/*
	-1048261423     topdir
	38612   topdir/subdir1
	1100786 topdir/subdir2
	43098   topdir/subdir3
	117342  topdir/subdir4
	4258406 topdir/subdir5
	598392  topdir/subdir6
	566349622       topdir/subdir7
	526684962       topdir/subdir8
	41498   topdir/subdir9

>How-To-Repeat:
Run 'du' on a directory with sufficient space being used.
>Fix:
The patch below *APPEARS* to fix the problem.  However, I have
NOT done any sort of regression testing, so there may be some
side effects to this patch of which I am not aware.  Caveat
emptor.

--- usr.bin/du/du.c.ORIG        Tue Nov 15 15:28:17 2005
+++ usr.bin/du/du.c     Tue Nov 15 15:46:48 2005
@@ -82,7 +82,7 @@
 {
        FTS             *fts;
        FTSENT          *p;
-       long            blocksize, savednumber = 0;
+       unsigned long           blocksize, savednumber = 0;
        int             ftsoptions;
        int             listall;
        int             depth;

>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-i386->freebsd-bugs 
Responsible-Changed-By: linimon 
Responsible-Changed-When: Mon Nov 21 19:21:18 GMT 2005 
Responsible-Changed-Why:  
This is not i386-specific. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=89090 

From: Alan Amesbury <amesbury@oitsec.umn.edu>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: bin/89090: [patch] du(1) reports negative numbers
Date: Wed, 15 Feb 2006 15:38:46 -0600

 This bug appears to be fixed in 5.4-RELEASE and later.  The problem is
 no longer present on the original system following its upgrade to
 5.4-RELEASE.
 
 Thanks!
 
 
 --
 Alan Amesbury
 University of Minnesota
State-Changed-From-To: open->closed 
State-Changed-By: linimon 
State-Changed-When: Thu Feb 16 09:25:03 UTC 2006 
State-Changed-Why:  
Submitter reports that this problem is fixed in 5.4 and beyond. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=89090 
>Unformatted:
