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[Launchpad Bug Tracker <1728908@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux-firmware - 1.170

---------------
linux-firmware (1.170) bionic; urgency=medium

  * Rebase against git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
    bf04291309d3169c0ad3b8db52564235bbd08e30
    - cxgb4: update firmware to revision 1.16.63.0
    - ath10k: QCA6174 hw3.0: update firmware-6.bin to WLAN.RM.4.4.1-00051-QCARMSWP-1
    - ath10k: QCA6174 hw3.0: update board-2.bin
    - Revert "ath10k: QCA988X hw2.0: update firmware to 10.2.4.70.63-2"
    - WHENCE: Fix syntax error for iwlwifi-8265-31.ucode entry
    - WHENCE: Add new radeon firmware
    - WHENCE: Add new qed firmware

  * CVE-2017-13080 and CVE-2017-13081 (LP: #1728762)
    - iwlwifi: update firmwares for 3160, 3168, 7265D, 8000C and 8265
    - iwlwifi: update firmwares for 3160, 3168, 7260, 7265 and 7265D

  * a300_[pfp|pm4].fw clashes when installing linux-firmware (LP: #1728908)
    - Add linux-firmware-snapdragon to Breaks: and Replaces:

 -- Seth Forshee <seth.forshee@xxxxxxxxxxxxx>  Wed, 15 Nov 2017 15:04:50
-0600

** Changed in: linux-firmware (Ubuntu)
       Status: In Progress => Fix Released

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2017-13080

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2017-13081

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https://bugs.launchpad.net/bugs/1728908

Title:
  a300_[pfp|pm4].fw clashes when installing linux-firmware

Status in linux-firmware package in Ubuntu:
  Fix Released
Status in linux-firmware-snapdragon package in Ubuntu:
  Fix Released
Status in linux-firmware source package in Xenial:
  In Progress
Status in linux-firmware-snapdragon source package in Xenial:
  In Progress
Status in linux-firmware source package in Artful:
  In Progress
Status in linux-firmware-snapdragon source package in Artful:
  In Progress

Bug description:
  [Impact]

  Starting with linux-firmware 1.157.13, two files (a300_[pfp|pm4].fw)
  that were previously part of linux-firmware-snapdragon 1.2-0ubuntu1,
  are now integrated in the linux-firmware package itself, resulting in
  a file clash when these two packages are installed together:

  ..
  Selecting previously unselected package linux-firmware-snapdragon.
  Preparing to unpack .../linux-firmware-snapdragon_1.2-0ubuntu1_arm64.deb ...
  Unpacking linux-firmware-snapdragon (1.2-0ubuntu1) ...
  dpkg: error processing archive
  /var/cache/apt/archives/linux-firmware-snapdragon_1.2-0ubuntu1_arm64.deb
  (--unpack):
   trying to overwrite '/lib/firmware/a300_pm4.fw', which is also in
  package linux-firmware 1.157.13
  dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
  Selecting previously unselected package linux-image-snapdragon.
  Preparing to unpack .../linux-image-snapdragon_4.4.0.1077.69_arm64.deb ...
  Unpacking linux-image-snapdragon (4.4.0.1077.69) ...
  Errors were encountered while processing:
   /var/cache/apt/archives/linux-firmware-snapdragon_1.2-0ubuntu1_arm64.deb
  E: Sub-process /usr/bin/dpkg returned an error code (1)
  make: *** [all] Error 100
  ...

  This problem is particularly evident when a new snapdragon kernel snap
  is assembled, since the the building process breaks (and no kernel
  snap is generated):

  https://launchpadlibrarian.net/343287945
  /buildlog_snap_ubuntu_xenial_arm64_snapdragon-kernel-
  test_BUILDING.txt.gz

  To fix the problem i removed the two files from linux-firmware-
  snapdragon 1.3-0ubuntu1 and pushed this new version to my ppa:

  https://launchpad.net/~p-pisati/+archive/ubuntu/embedded/+packages
  linux-firmware-snapdragon - 1.3-0ubuntu1

  [Test case]

  Try to build a snapdragon kernel snap using Xenial/updates - with
  linux-firmware 1.157.13 and linux-firmware-snapdragon 1.2-0ubuntu1 it
  won't complete, while with linux-firmware-snapdragon 1.3-0ubuntu1 it
  will successfully complete.

  [Regression risk]

  The files imported in linux-firmware are the same files we
  shipped in linux-firmware-snapdragon:

  $ md5sum /lib/firmware/qcom/a300_pfp.fw
  25aa81977303142bdc4490efad16138b  /lib/firmware/qcom/a300_pfp.fw
  $ md5sum /lib/firmware/qcom/a300_pm4.fw
  d657cacd951742d9bbbe74224347cffe  /lib/firmware/qcom/a300_pm4.fw

  $ md5sum dragon410c-firmware.orig/lib/a300_pfp.fw
  25aa81977303142bdc4490efad16138b  dragon410c-firmware.orig/lib/a300_pfp.fw
  $ md5sum dragon410c-firmware.orig/lib/a300_pm4.fw
  d657cacd951742d9bbbe74224347cffe  dragon410c-firmware.orig/lib/a300_pm4.fw

  so the regression risk is very low.

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