kern/135412: zfs(v13)+nfs and open(..., O_WRONLY|O_CREAT|O_EXCL,

>Number:         135412
>Category:       kern
>Synopsis:       zfs(v13)+nfs and open(..., O_WRONLY|O_CREAT|O_EXCL, ...) returns io error
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Jun 09 10:20:03 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator:     Danny Braniss
>Release:        FreeBSD 7.2-STABLE amd64
>Organization:
>Environment:
System: FreeBSD store-01 7.2-STABLE FreeBSD 7.2-STABLE #24: Mon Jun 1 12:17:54 IDT 2009 danny@sunfire:/r+d/obj/sunfire/r+d/7/sys/HUJI amd64


	
>Description:
	a file system(zfs-v13) NFS mounted now fails
	       fd = open(..., O_WRONLY|O_CREAT|O_EXCL, 0666);
	file is created with mode 0, and errno=Input/output errno(5).

>How-To-Repeat:
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>

main(int cc, char **vv)
{
     int	fd;
     char	*fn;

     if(cc > 1)
	  fn = vv[1];
     else
	  fn = "lock";
     fd = open(fn, O_WRONLY|O_CREAT|O_EXCL, 0666);
     if(fd < 0) {
	  int err = errno;
	  fprintf(stderr, "%d - %s\n", err, strerror(err));
     }
     exit(0);
}

>Fix:

	


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