[Pkg-privacy-maintainers] Bug#818554: tails-installer: Fails unmounting the USB: Not authorized to perform operation

[Ilario Gelmetti]

Package: tails-installer
Version: 4.4.7+dfsg-1
Severity: normal

Dear Maintainer,
if I run tails-installer-launcher while my USB key is mounted, it fails
printing:

 tails-i386-2.2.iso selected
 Unmounting mounted filesystems on '/dev/sdb'
 GDBus.Error:org.freedesktop.UDisks2.Error.NotAuthorizedCanObtain: Not
authorized to perform operation
 Tails installation failed!
 udisks-error-quark:
GDBus.Error:org.freedesktop.UDisks2.Error.NotAuthorizedCanObtain: Not
authorized to perform operation (4)

In order to reproduce this I can do:

$ udisks --mount /dev/sdb1
 Mounted /org/freedesktop/UDisks/devices/sdb1 at /media/usb0
$ mount|grep sdb
 /dev/sdb1 on /media/usb0 type iso9660
(ro,nosuid,nodev,noexec,relatime,user=ilario)
$ tails-installer-launcher

And I can solve just manually unmounting the USB key:

$ udisks --unmount /dev/sdb1
$ tails-installer-launcher

Additional informations:

$ groups
 ilario cdrom floppy audio dip video plugdev netdev lpadmin scanner
bluetooth vboxusers fuse

running AwesomeWM

It is not a problem of removable bit:
$ cat /sys/block/sdb/removable
 1

$ dmesg
 usb 1-4: new high-speed USB device number 4 using ehci-pci
 usb 1-4: New USB device found, idVendor=0951, idProduct=1653
 usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
 usb 1-4: Product: DT 100 G2
 usb 1-4: Manufacturer: Kingston
 usb 1-4: SerialNumber: 001CC0EC33EEFB81F7082626
 usb-storage 1-4:1.0: USB Mass Storage device detected
 scsi host4: usb-storage 1-4:1.0
 scsi 4:0:0:0: Direct-Access     Kingston DT 100 G2 1.00 PQ: 0 ANSI: 0 CCS
 sd 4:0:0:0: [sdb] 7557704 512-byte logical blocks: (3.86 GB/3.60 GiB)
 sd 4:0:0:0: [sdb] Write Protect is off
 sd 4:0:0:0: [sdb] Mode Sense: 0b 00 00 08
 sd 4:0:0:0: [sdb] No Caching mode page found
 sd 4:0:0:0: [sdb] Assuming drive cache: write through
 sd 4:0:0:0: Attached scsi generic sg2 type 0
  sdb: sdb1
 sd 4:0:0:0: [sdb] Attached SCSI removable disk

Thanks,
Ilario

-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (980, 'testing'), (900, 'stable'), (200, 'unstable'),
(100, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 4.2.0-1-686-pae (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages tails-installer depends on:
ii  dosfstools         3.0.28-2
ii  gdisk              1.0.1-1
ii  genisoimage        9:1.1.11-3
ii  gir1.2-glib-2.0    1.46.0-4
ii  gir1.2-gtk-3.0     3.18.8-1
ii  gir1.2-udisks-2.0  2.1.7-1
ii  mtools             4.0.18-2
ii  p7zip-full         9.20.1~dfsg.1-5
ii  policykit-1        0.105-14.1
ii  python             2.7.11-1
ii  python-configobj   5.0.6-2
ii  python-gi          3.18.2-2+b1
ii  python-urlgrabber  3.9.1-4.2
ii  syslinux           3:6.03+dfsg-11

tails-installer recommends no packages.

tails-installer suggests no packages.

-- no debconf information

--1458254641-eximdsn-1804289383--

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