bugutil-vserver - Bugs: bug #29493, ro option is ignored for bind...

 
 

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bug #29493: ro option is ignored for bind mounts in fstab

Submitter:  Tefnet Developers <tefnet>
Submitted:  Fri 09 Apr 2010 10:47:15 AM UTC
   
 
Category:  None Severity:  3 - Normal
Item Group:  None Status:  None
Privacy:  Public Assigned to:  None
Open/Closed:  Open Component Version:  alpha
Release:  0.30.216-pre2883

Fri 09 Apr 2010 10:47:15 AM UTC, original submission:  

root@tefnet:~# file /etc/vservers/devel/vdir

/etc/vservers/devel/vdir: symbolic link to `/home/vms/vservers/devel'

root@tefnet:~# ls /home/vms/vservers/devel

root@tefnet:~# cat /etc/vservers/devel/fstab

/home/vms/vservers/devel-orig           /       none    bind,ro 0 0

none    /proc           proc    defaults                0 0

none    /dev/pts        devpts  gid=5,mode=620          0 0

/home/vms/vservers/devel-orig/home      /home   none    bind,noexec     0 0

/home/vms/vservers/devel-orig/var       /var    none    bind,noexec     0 0

root@tefnet:~# ls /home/vms/vservers/devel-orig

bin  boot  dev  etc  fastboot  home  lib  lib64  media  mnt  nonexistent  opt  proc  root  sbin  selinux  srv  sys  tmp  usr  var

root@tefnet:~# vserver devel start

secure-mount: mount(): Invalid argument

/etc/vservers/devel/fstab:1:1: failed to mount fstab-entry

chroot-sh: open("/etc/mtab"): Read-only file system

root@tefnet:~# vserver devel status

Vserver 'devel' is running at context '40044'

Number of processes:  14

Uptime:               00:00

root@tefnet:~# vserver devel exec ls /

bin  boot  dev  etc  fastboot  home  lib  lib64  media  mnt  nonexistent  opt  proc  root  sbin  selinux  srv  sys  tmp  usr  var

root@tefnet:~# vserver devel exec touch /test

root@tefnet:~# echo $?

0

root@tefnet:~#


So vserver devel start mounts / despite reporting failure, yet / is still writable.

Tefnet Developers <tefnet>

 

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Attached Files
file #20183:  util-vserver-root-ro.diff added by tefnet (650B - text/x-patch - Patch which causes rootfs to be "remounted" in mountVserver() with a proper ro/rw option.)

 

Depends on the following items: None found

Items that depend on this one: None found

 

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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2010-04-10 tefnet Attached File- Added util-vserver-root-ro.diff, #20183

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