Date: Tue, 11 Aug 1998 11:42:41 -0700 From: Cy Schubert <cschuber@passer.osg.gov.bc.ca> To: Blaz Zupan <blaz@gold.amis.net> Cc: Scott <scott@SchematiX.net>, FreeBSD-stable@FreeBSD.ORG Subject: Re: Huge Bug in FreeBSD not fixed? Message-ID: <199808111843.LAA03484@passer.osg.gov.bc.ca> In-Reply-To: Your message of "Tue, 11 Aug 1998 17:53:49 %2B0200." <Pine.BSF.4.02.9808111752560.2151-100000@gold.amis.net>
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Regards, Phone: (250)387-8437
Cy Schubert Fax: (250)387-5766
Open Systems Group Internet: cschuber@uumail.gov.bc.ca
ITSD Cy.Schubert@gems8.gov.bc.ca
Government of BC
> > I am running FreeBSD 2.2.7-STABLE (Last compiled on August 5th early in
> > the morning). The system is running on a PII233 with 64MB RAM. This bug
> > REALLY needs to be fixed ASAP.
>
> I ran the attached program on my box, it printed a big bunch of numbers
> and then finished with:
>
> 27 processes finished
>
> I'm writing this mail on the same machine, without any panic or reboot.
I ran two tests. The first test had the following limits set (bash
ulimit -a output) and panicked the system.
core file size (blocks) 0
data seg size (kbytes) 22528
file size (blocks) unlimited
max locked memory (kbytes) 10240
max memory size (kbytes) 30720
open files 128
pipe size (512 bytes) 1
stack size (kbytes) 8192
cpu time (seconds) unlimited
max user processes 128
virtual memory (kbytes) 30720
The second test I used the following:
max user processes 32
It exploit application printed "30 processes finished".
I am running a 2.2.6-STABLE (980617) system with CAM SCSI patches. I
have maxusers set to 10. Following is what I consider relevant sysctl
output.
kern.maxproc: 180
kern.maxprocperuid: 179
This system is used as my desktop X station, which explains the goofy
maxprocperuid value.
Regards, Phone: (250)387-8437
Cy Schubert Fax: (250)387-5766
Open Systems Group Internet: cschuber@uumail.gov.bc.ca
ITSD Cy.Schubert@gems8.gov.bc.ca
Government of BC
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