Date: Sat, 28 Apr 2001 18:05:02 -0700 (PDT) From: davidx@viasoft.com.cn To: freebsd-gnats-submit@FreeBSD.org Subject: kern/26938: 4.3-stable is a broken kernel Message-ID: <200104290105.f3T152r90267@freefall.freebsd.org>
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>Number: 26938
>Category: kern
>Synopsis: 4.3-stable is a broken kernel
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sat Apr 28 18:10:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator: David Xu
>Release: FreeBSD 4.3-STABLE
>Organization:
Viasoft
>Environment:
FreeBSD davidbsd.viasoft.com.cn 4.3-STABLE FreeBSD 4.3-STABLE #0: Thu Apr 26 11:22
:51 CST 2001 root@davidbsd.viasoft.com.cn:/usr/obj/usr/src/sys/xu i386
>Description:
a fork bomb can reboot machine, kernel prints:
vm_map_entry_creat: kernel_resources exhausted
I have never seen this problem in 4.2-release
>How-To-Repeat:
a small example program:
#include<unistd.h>
int main()
{
while(1)
{
if (fork() == 0)
break;
}
return 0;
}
try to compile and run it, kernel crashed.
>Fix:
diff 4.2-RELEASE.vm 4.3-STABLE.vm
< no bug
> has bug
>Release-Note:
>Audit-Trail:
>Unformatted:
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