Re: kern/49846: fdescfs behavior changed between 6.1.5 and 7.0_BETA - bug?

[christos%zoulas.com@localhost (Christos Zoulas)]

On Apr 20,  8:15pm, riz%NetBSD.org@localhost (riz%NetBSD.org@localhost) wrote:
-- Subject: kern/49846: fdescfs behavior changed between 6.1.5 and 7.0_BETA -

| >Number:         49846
| >Category:       kern
| >Synopsis:       fdescfs behavior changed between 6.1.5 and 7.0_BETA - bug?
| >Confidential:   no
| >Severity:       serious
| >Priority:       medium
| >Responsible:    kern-bug-people
| >State:          open
| >Class:          sw-bug
| >Submitter-Id:   net
| >Arrival-Date:   Mon Apr 20 20:15:00 +0000 2015
| >Originator:     Jeff Rizzo
| >Release:        7.0_BETA
| >Organization:
| >Environment:
| NetBSD vagrant 7.0_BETA NetBSD 7.0_BETA (GENERIC.201504181110Z) amd64
| >Description:
| On a freshly-installed 7.0_BETA virtual machine, having fdesc mounted over /dev causes "su" to fail:
| 
| vagrant% grep fdesc /etc/fstab
| fdesc /dev fdesc ro,-o=union 0 0
| vagrant% ls -l /dev/tty
| crw-rw-rw-  1 root  wheel  1, 0 Apr 20 20:07 /dev/tty
| vagrant% df -h |grep fdesc
| fdesc                                            1.0K       1.0K         0B 100% /dev
| vagrant% su -
|  Inappropriate ioctl for device
| su: Sorry: conversation failure
| vagrant% uname -a
| NetBSD vagrant 7.0_BETA NetBSD 7.0_BETA (GENERIC.201504181110Z) amd64
| 
| >How-To-Repeat:
| - install 7.0_BETA
| mount fdesc with:
| fdesc /dev fdesc ro,-o=union 0 0
| 

I fixed that in:

1.125        (christos 05-Sep-14):      if (error == 0 && ix == FD_CTTY)
1.125        (christos 05-Sep-14):              (*vpp)->v_type = VCHR;


christos