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Date: Thu, 15 Nov 2001 13:36:56 -0800 (PST)
From: David Hill <david@phobia.ms>
To: freebsd-gnats-submit@FreeBSD.org
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Subject: kern/32019: open() bpf crashes system
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>Number:         32019
>Category:       kern
>Synopsis:       open() bpf crashes system
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Nov 15 13:40:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     David Hill
>Release:        5.0-CURRENT
>Organization:
>Environment:
FreeBSD rain.hill.hom 5.0-CURRENT FreeBSD 5.0-CURRENT #0: Sat Nov 10 11:06:32 GMT 2001
     root@rain.hill.hom:/usr/src/sys/i386/compile/RAIN  i386

>Description:
The following code crashes the system.

/* code */
#include <err.h>
#include <fcntl.h>
#include <sys/types.h>
#include <unistd.h>

int main(void)
{
	int fd;
	char device[] = "/dev/bpf000000";
	
	if ((fd = open(device, O_RDONLY)) < 0)
		err(1, "open");

	close(fd);
	return 0;
}
>How-To-Repeat:
As root, compile the code and execute it.

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

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