[Bug 1152718] Re: udevadm seems to set incorrect permissions for /dev/fuse

[Launchpad Bug Tracker]

This bug was fixed in the package udev - 175-0ubuntu26

---------------
udev (175-0ubuntu26) raring; urgency=low

  * Drop the add ACTION condition for the fuse rule (LP: #1152718)
 -- Brian Murray <brian at ubuntu.com>   Wed, 17 Apr 2013 14:22:30 -0700

** Changed in: udev (Ubuntu)
       Status: In Progress => Fix Released

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Title:
  udevadm seems to set incorrect permissions for /dev/fuse

Status in “udev” package in Ubuntu:
  Fix Released

Bug description:
  Last night I installed the update qemu-kvm-1.2.0+noroms-
  0ubuntu2.12.10.3

  Afterwards, I discovered that I could no longer use FUSE, and from
  comparing time stamps, discovered that the permissions on my /dev/fuse
  had been changed to:

  crw------T 1 root root 10, 229 Mar  8 07:48 /dev/fuse

  at precisely the time that this update was running its postinst
  script. (/dev/fuse should have group fuse, not root, and group rw
  access.) The culprit appears to be udevadm:

  udevadm trigger --subsystem-match=misc --action=change

  This may be related to bug #1103022.

  The full list of devices which had their permissions changed then is:

  crw-------  1 root root       10,  58 Mar  8 07:48 alarm
  crw-------  1 root root       10,  59 Mar  8 07:48 ashmem
  crw-------  1 root root       10,  60 Mar  8 07:48 binder
  crw------T  1 root root       10, 234 Mar  8 07:48 btrfs-control
  crw-------  1 root root       10,  57 Mar  8 07:48 cpu_dma_latency
  crw-------  1 root root       10,  61 Mar  8 07:48 ecryptfs
  crw------T  1 root root       10, 229 Mar  8 07:48 fuse
  crw-------  1 root root       10, 228 Mar  8 07:48 hpet
  crw-rw----+ 1 root kvm        10, 232 Mar  8 07:48 kvm
  crw-------  1 root root       10, 237 Mar  8 07:48 loop-control
  crw-------  1 root root       10, 227 Mar  8 07:48 mcelog
  crw-------  1 root root       10,  54 Mar  8 07:48 mei
  crw-------  1 root root       10,  56 Mar  8 07:48 network_latency
  crw-------  1 root root       10,  55 Mar  8 07:48 network_throughput
  crw-------  1 root root       10,   1 Mar  8 07:48 psaux
  crw-rw-r--+ 1 root root       10,  62 Mar  8 07:48 rfkill
  crw-------  1 root root       10, 231 Mar  8 07:48 snapshot
  crw-r-----  1 root root       10, 223 Mar  8 07:48 uinput
  crw-------  1 root root       10,  53 Mar  8 07:48 vboxdrv
  crw-------  1 root root       10,  52 Mar  8 07:48 vboxnetctl
  crw-------  1 root root       10,  63 Mar  8 07:48 vga_arbiter

  I can't see any other device that has incorrect permissions now, but I
  can't tell for all of the above what the correct permissions are.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: udev 175-0ubuntu13
  ProcVersionSignature: Ubuntu 3.5.0-25.39-generic 3.5.7.4
  Uname: Linux 3.5.0-25-generic x86_64
  ApportVersion: 2.6.1-0ubuntu10
  Architecture: amd64
  CustomUdevRuleFiles: 10-vboxdrv.rules 99-lexscan.rules
  Date: Fri Mar  8 18:43:14 2013
  InstallationDate: Installed on 2011-05-24 (653 days ago)
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  MachineType: TranquilPC IXL
  MarkForUpload: True
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-25-generic root=UUID=b14299ce-70d0-4b10-ab62-aff152625f36 ro quiet splash vt.handoff=7
  SourcePackage: udev
  UpgradeStatus: Upgraded to quantal on 2012-10-19 (139 days ago)
  dmi.bios.date: 01/14/2011
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: BLH6710H.86A.0098.2011.0114.1739
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: DH67CF
  dmi.board.vendor: Intel Corporation
  dmi.board.version: AAG10215-203
  dmi.chassis.type: 3
  dmi.chassis.vendor: TranquilPC
  dmi.modalias: dmi:bvnIntelCorp.:bvrBLH6710H.86A.0098.2011.0114.1739:bd01/14/2011:svnTranquilPC:pnIXL:pvr:rvnIntelCorporation:rnDH67CF:rvrAAG10215-203:cvnTranquilPC:ct3:cvr:
  dmi.product.name: IXL
  dmi.sys.vendor: TranquilPC

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