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Date: Mon, 2 Oct 2000 18:50:57 -0400 (EDT)
From: pjp@click2net.com
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To: FreeBSD-gnats-submit@freebsd.org
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Subject: docs/21712: core(5) manpage fails to mention kern.sugid_coredump 
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>Number:         21712
>Category:       docs
>Synopsis:       core(5) manpage fails to mention kern.sugid_coredump
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-doc
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Oct 02 15:50:01 PDT 2000
>Closed-Date:
>Last-Modified:
>Originator:     Peter Philipp
>Release:        
>Organization:
Click2Net Inc.
>Environment:
>Description:
	It takes too long for someone not familiar with coredump operations
	to figure out how to make a process dump core when that file
	is setugid or a process changes credentials with setuid(), seteuid(),
	setgid() ...  A mention in the manpage would be helpful, patch below.

>How-To-Repeat:
>Fix:
unified patch below for /usr/src/share/man/man5/core.5

--- core.5.orig	Mon Oct  2 18:20:20 2000
+++ core.5	Mon Oct  2 18:30:23 2000
@@ -76,6 +76,14 @@
 .Em \&%N.core ,
 yielding the traditional FreeBSD behaviour.
 .Pp
+By default, a user or group process that changes its real or effective id
+credential will not create a corefile.  This behaviour can be changed by 
+setting the
+.Xr sysctl 8 
+variable
+.Va kern.sugid_coredump
+to a true value.
+.Pp
 The core file consists of the
 .Fa u .
 area, whose size (in pages) is

>Release-Note:
>Audit-Trail:
>Unformatted:


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