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Subject: missing aout shared libs -> panic
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>Number:         16574
>Category:       kern
>Synopsis:       missing aout shared libs -> panic
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Feb  7 16:10:00 PST 2000
>Closed-Date:    Thu Nov 8 02:32:05 PST 2001
>Last-Modified:  Thu Nov 08 02:32:29 PST 2001
>Originator:     Boris Staeblow
>Release:        FreeBSD 3.4-STABLE i386
>Organization:
>Environment:

FreeBSD-stable as of 6 Feb 2000,
aout-bins with missing shared libs

>Description:

The System panics when an aout bin with missing shared libs is executed.
Sorry, no further logs.
 
>How-To-Repeat:

execute or `ldd` the described binary.
The panic occurs within seconds.


>Fix:



>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: iedowse 
State-Changed-When: Sun Aug 12 14:18:36 PDT 2001 
State-Changed-Why:  

Does this still occur in more recent releases? 

http://www.FreeBSD.org/cgi/query-pr.cgi?pr=16574 

From: "Matthew Emmerton" <matt@gsicomp.on.ca>
To: <freebsd-gnats-submit@FreeBSD.org>, <root@dva.in-berlin.de>,
	<iedowse@FreeBSD.org>
Cc:  
Subject: Re: kern/16574: missing aout shared libs -> panic
Date: Wed, 7 Nov 2001 20:48:08 -0500

 I'm running 4.3-RELEASE-p15.  I grabbed the Zeus FreeBSD-aout search cgi
 (http://support.zeus.com/security/search/search.cgi.FreeBSD-aout.gz) and
 tried to run it on my ELF-only system (no compat22 or aout libs installed.)
 
 Doing a 'ldd' on it and trying to run it gave:
 gabby# ldd search.cgi.FreeBSD-aout
 search.cgi.FreeBSD-aout:
 Couldn't open /usr/libexec/ld.so.
 search.cgi.FreeBSD-aout: exit status 1
 gabby# ./search.cgi.FreeBSD-aout
 Couldn't open /usr/libexec/ld.so.
 gabby#
 
 After installing compat22 to get a.out compatibility:
 
 gabby# ldd search.cgi.FreeBSD-aout
 search.cgi.FreeBSD-aout:
         -lc.3 => /usr/lib/compat/aout/libc.so.3.1 (0x2002f000)
 gabby# ./search.cgi.FreeBSD-aout
 Content-Type: text/html
 
 <html>
 <head><title>Error</title></head>
 <body bgcolor=#ffffff>
 <font size=+5>Error:</font><br>Method not supported</body></html>
 gabby#
 
 And, then after removing /usr/lib/compat/aout/libc.so.3.1 (to force a
 "missing library" condition):
 
 gabby# ldd search.cgi.FreeBSD-aout
 search.cgi.FreeBSD-aout:
         -lc.3 => not found (0x0)
 gabby# ./search.cgi.FreeBSD-aout
 ld.so failed: Can't find shared library "libc.so.3.1"
 gabby#
 
 So to me, it looks like missing aout libraries are handled gracefully now.
 
 --
 Matt Emmerton
 

From: Boris Staeblow <balu@dva.in-berlin.de>
To: Matthew Emmerton <matt@gsicomp.on.ca>
Cc: freebsd-gnats-submit@FreeBSD.org, root@dva.in-berlin.de,
	iedowse@FreeBSD.org
Subject: Re: kern/16574: missing aout shared libs -> panic
Date: Thu, 8 Nov 2001 10:55:52 +0100

 On Wed, Nov 07, 2001 at 08:48:08PM -0500, Matthew Emmerton wrote:
 
 > So to me, it looks like missing aout libraries are handled gracefully now.
 
 I agree. This PR can be closed.
 
 B.Staeblow
 root@dva.in-berlin.de
 
 
State-Changed-From-To: feedback->closed 
State-Changed-By: billf 
State-Changed-When: Thu Nov 8 02:32:05 PST 2001 
State-Changed-Why:  
submitter reports that this problem has been fixed in 
recent release. 

http://www.FreeBSD.org/cgi/query-pr.cgi?pr=16574 
>Unformatted:
