group.of.nepali.translators team mailing list archive

[Marcelo Cerri <1821378@xxxxxxxxxxxxxxxxxx>]

** Also affects: linux-azure (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: linux-azure (Ubuntu Cosmic)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1821378

Title:
  [linux-azure] Include mainline commits fc96df16a1ce and ba50bf1ce9a5
  in Azure kernel

Status in linux-azure package in Ubuntu:
  New
Status in linux-azure source package in Xenial:
  New
Status in linux-azure source package in Cosmic:
  New

Bug description:
  This is a request to include the following two commits in 16.04 and
  18.04 linux-azure:

  fc96df16a1ce ("Drivers: hv: vmbus: Return -EINVAL for the sys files for unopened channels")
  ba50bf1ce9a5 ("Drivers: hv: vmbus: Check for ring when getting debug info")

  Both commits are fixes to prior commits and have been cc'd to upstream
  stable.

  Commit fc96df16a1ce is in mainline as of v4.20
  Commit ba50bf1ce9a5 is in mainline as of v5.0-rc4

  The problem these commits fix is that some of the code for displaying
  values for entries in /sys/bus/vmbus don't have appropriate locking to
  prevent reading an entry while it is being created or being freed.
  The result is accessing a bogus memory address.

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