[Bug 1877844] Re: [SRU] borgbackup version 1.1.15 and 1.0.13

[Timo Aaltonen]

Hello Steve, or anyone else affected,

Accepted borgbackup into xenial-proposed. The package will build now and
be available at
https://launchpad.net/ubuntu/+source/borgbackup/1.0.13-0ubuntu1.16.04.1
in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
xenial to verification-done-xenial. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-xenial. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: borgbackup (Ubuntu Xenial)
       Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-xenial

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https://bugs.launchpad.net/bugs/1877844

Title:
  [SRU] borgbackup version 1.1.15 and 1.0.13

Status in borgbackup package in Ubuntu:
  Fix Released
Status in xxhash package in Ubuntu:
  Fix Released
Status in borgbackup source package in Xenial:
  Fix Committed
Status in borgbackup source package in Bionic:
  In Progress
Status in xxhash source package in Bionic:
  In Progress
Status in borgbackup source package in Focal:
  In Progress
Status in borgbackup source package in Groovy:
  Fix Released
Status in xxhash source package in Groovy:
  Fix Released
Status in borgbackup package in Debian:
  Fix Released

Bug description:
  [ Impact ]
  * Data is corrupted on some specific conditions, upstream asked to backport 1.1.15 that fixes some high ram usage and this corruption bug (not for focal, already fixed)

  [ Regression Potential ]
  * Really low, the package has an autopkgtestsuite that runs thousand of tests, and the fix is since one year part of upstream code

  [ Test Case ]
  * Backup some TB of data, and try to read the index, it should be not corrupted

  [ Other info ]
  Per the "important notes" section of the borg docs:

  https://borgbackup.readthedocs.io/en/stable/changes.html

  "Pre-1.1.11 potential index corruption / data loss issue
  A bug was discovered in our hashtable code, see issue #4829. The code is used for the client-side chunks cache and the server-side repo index.

  Although borg uses the hashtables very heavily, the index corruption
  did not happen too frequently, because it needed specific conditions
  to happen.

  Data loss required even more specific conditions, so it should be rare
  (and also detectable via borg check). [..]"

  Theoretically affects all Ubuntu releases before 20.04 (focal.)

  I know this is a universe package, but if anyone was up for an SRU
  that would be fantastic..

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