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Message-Id: <200303110624.h2B6OsXP056404@gw2.svzserv.kemerovo.su>
Date: Tue, 11 Mar 2003 13:24:54 +0700 (KRAT)
From: Eugene Grosbein <eugen@grosbein.pp.ru>
To: FreeBSD-gnats-submit@FreeBSD.org
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Subject: bin/49096: cron(8) may segfault when system open file table is full
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>Number:         49096
>Category:       bin
>Synopsis:       cron(8) may segfault when system open file table is full
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Mar 10 22:30:04 PST 2003
>Closed-Date:
>Last-Modified:
>Originator:     Eugene Grosbein
>Release:        FreeBSD 4.8-RC i386
>Organization:
Svyaz Service JSC
>Environment:
System: FreeBSD gw2.svzserv.kemerovo.su 4.8-RC FreeBSD 4.8-RC #12: Tue Mar 4 02:15:40 KRAT 2003 sa@gw2.svzserv.kemerovo.su:/usr/obj/usr/src/sys/GW2 i386

>Description:
	I've found that cron(8) can segfault easily when a system
	table of open files is full or nearly full. I tried to rebuild
	cron with -O0 -g to analyze core dump, reproduced the problem
	but stack seems to be corrupted completely and gdb does not help.

>How-To-Repeat:
	Run 'sysctl -a | grep files'. Make kern.maxfilesfiles and
	kern.maxfilesperproc so small that kernel table would be nearly full.
	Wait for cron to segfault.

>Fix:

	Unknown for me.

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

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