[Bug 1716633] Re: Installed, popular and featured snaps are loaded in parallel threads can crash

[Launchpad Bug Tracker]

This bug was fixed in the package gnome-software -
3.20.5-0ubuntu0.16.04.7

---
gnome-software (3.20.5-0ubuntu0.16.04.7) xenial; urgency=medium

  * debian/patches/0016-Add-a-dpkg-plugin.patch:
  * debian/patches/0017-Add-an-APT-plugin.patch:
- Fix overflow showing installed size (LP: #1713586)
  * 
debian/patches/0047-Use-the-developer-name-if-set-in-preference-to-the-p.patch:
- Backport support for showing developer name
  * debian/patches/0018-Add-a-Snap-plugin.patch:
- Show snap developer (LP: #1715054)
- Set correct store name (LP: #1706500)
- Show license field
- Send Polkit interactive header (LP: #1736232)
- Fix crash due to multiple threads accessing a cache (LP: #1716633)
  * debian/patches/0001-ubuntu-reviews-Fix-Wilson-score-calculation.patch:
- Fix average rating calculation (LP: #1721419)

 -- Robert Ancell   Wed, 06 Dec 2017
10:36:16 +1300

** Changed in: gnome-software (Ubuntu Xenial)
   Status: Fix Committed => Fix Released

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Title:
  Installed, popular and featured snaps are loaded in parallel threads
  can crash

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[Bug 1716633] Re: Installed, popular and featured snaps are loaded in parallel threads can crash

[Launchpad Bug Tracker]

This bug was fixed in the package gnome-software -
3.22.7-0ubuntu3.17.04.8

---
gnome-software (3.22.7-0ubuntu3.17.04.8) zesty; urgency=medium

  * debian/patches/0001-snap-Protect-store-cache-with-a-lock.patch:
- Fix crash due to multiple threads accessing a cache (LP: #1716633)
  * 
debian/patches/0001-snap-Don-t-attempt-to-refine-snaps-without-a-valid-n.patch:
- Fix potential crash from invalid snaps
  * debian/patches/0001-snap-Fix-leak-of-GsApp.patch:
- Fix small memory leak
  * 
debian/patches/0001-snap-Only-show-snaps-as-sandboxed-if-snapd-supports-.patch:
- Simple patch added to make above patches apply cleanly
  * 
debian/patches/0001-snap-Cancel-snapd-transaction-when-install-remove-ca.patch:
  * 
debian/patches/0001-snap-Generate-correct-error-for-cancelled-operations.patch:
- Abort change in snapd when install/remove cancelled (LP: #1721762)
  * debian/patches/0022-snap-Use-new-Polkit-API.patch:
- Send Polkit interactive header (LP: #1736232)
  * debian/patches/0023-snap-Support-new-snapd-license-field.patch
- Show license field (not yet supported by Ubuntu Store / snaps)
  * 
debian/patches/0024-Use-the-developer-name-if-set-in-preference-to-the-p.patch:
  * debian/patches/0025-snap-Use-developer-field.patch
- Show snap developer (LP: #1715054)
  * debian/patches/0026-snap-Correct-the-app-origin.patch:
- Set correct store name (LP: #1706500)

 -- Robert Ancell   Wed, 06 Dec 2017
10:37:25 +1300

** Changed in: gnome-software (Ubuntu Zesty)
   Status: Fix Committed => Fix Released

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Title:
  Installed, popular and featured snaps are loaded in parallel threads
  can crash

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[Bug 1716633] Re: Installed, popular and featured snaps are loaded in parallel threads can crash

[Jean-Baptiste Lallement]

SRU verification for xenial and zesty.

After 10 days in proposed there are no crash specific to the versions of
gnome-software in -proposed for xenial and zesty reported to errors.u.c.

Marking as verification-done

** Tags removed: verification-needed verification-needed-xenial 
verification-needed-zesty
** Tags added: verification-done verification-done-xenial 
verification-done-zesty

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Title:
  Installed, popular and featured snaps are loaded in parallel threads
  can crash

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[Bug 1716633] Re: Installed, popular and featured snaps are loaded in parallel threads can crash

[Brian Murray]

Hello errors.ubuntu.com, or anyone else affected,

Accepted gnome-software into xenial-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/gnome-
software/3.20.5-0ubuntu0.16.04.7 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 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!

** Changed in: gnome-software (Ubuntu Xenial)
   Status: Triaged => Fix Committed

** Tags added: verification-needed-xenial

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Title:
  Installed, popular and featured snaps are loaded in parallel threads
  can crash

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[Bug 1716633] Re: Installed, popular and featured snaps are loaded in parallel threads can crash

[Brian Murray]

Hello errors.ubuntu.com, or anyone else affected,

Accepted gnome-software into zesty-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/gnome-
software/3.22.7-0ubuntu3.17.04.8 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 and change the tag from
verification-needed-zesty to verification-done-zesty. If it does not fix
the bug for you, please add a comment stating that, and change the tag
to verification-failed-zesty. 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!

** Changed in: gnome-software (Ubuntu Zesty)
   Status: Triaged => Fix Committed

** Tags removed: verification-done
** Tags added: verification-needed verification-needed-zesty

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Title:
  Installed, popular and featured snaps are loaded in parallel threads
  can crash

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[Bug 1716633] Re: Installed, popular and featured snaps are loaded in parallel threads can crash

[Launchpad Bug Tracker]

This bug was fixed in the package gnome-software -
3.26.1-0ubuntu2.17.10.1

---
gnome-software (3.26.1-0ubuntu2.17.10.1) artful; urgency=medium

  [ Robert Ancell ]
  * debian/patches/0001-snap-Don-t-crash-on-unknown-snap-types.patch:
- Fix crash when broken snaps installed (LP: #1720442)
  * debian/patches/0001-snap-Protect-store-cache-with-a-lock.patch:
- Fix crash due to multiple threads accessing a cache (LP: #1716633)
  * 
debian/patches/0001-snap-Don-t-attempt-to-refine-snaps-without-a-valid-n.patch:
- Fix potential crash from invalid snaps
  * debian/patches/0001-snap-Remove-unused-variables.patch:
- Trivial patch added to make above patches apply cleanly
  * debian/patches/0001-Add-a-cancellable-to-GsApp-objects.patch:
  * 
debian/patches/0001-Allow-to-cancel-app-ops-in-the-details-view-that-wer.patch:
- Fix cancelling with multiple installs (LP: #1722183)
  * debian/control:
- Add Vcs-Bzr link

  [ Jeremy Bicha ]
  * Cherry-pick 0001-Don-t-error-out-for-over-500-results.patch:
- Fix empty Addons > Shell Extensions category (LP: #1722809)

 -- Robert Ancell   Wed, 15 Nov 2017
11:58:57 +1300

** Changed in: gnome-software (Ubuntu Artful)
   Status: Fix Committed => Fix Released

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Title:
  Installed, popular and featured snaps are loaded in parallel threads
  can crash

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[Bug 1716633] Re: Installed, popular and featured snaps are loaded in parallel threads can crash

[Jean-Baptiste Lallement]

Marking as verification-done per Robert's comment. Also I cannot
reproduce the crash and there is no other occurrence of it.

** Tags removed: verification-needed verification-needed-artful
** Tags added: verification-done verification-done-artful

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Title:
  Installed, popular and featured snaps are loaded in parallel threads
  can crash

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[Bug 1716633] Re: Installed, popular and featured snaps are loaded in parallel threads can crash

[Robert Ancell]

The crashes that failed to retrace all seem to have the following stacktrace:
?? ()
g_io_channel_shutdown () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
?? () from /usr/lib/x86_64-linux-gnu/libpackagekit-glib2.so.18
g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 

Which suggests they are a bug in PackageKit. A quick look at the
PackageKit source shows this is done in a callback that may still be
running after an object has been unreferenced. So I don't think they're
related to the Snap changes.

The crash with the backtrace seems to be related to the network monitor
changing state (network disconnected/connected?). So I don't think it's
related to the Snap plugin.

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Title:
  Installed, popular and featured snaps are loaded in parallel threads
  can crash

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[Bug 1716633] Re: Installed, popular and featured snaps are loaded in parallel threads can crash

[Jean-Baptiste Lallement]

SRU Verification

>From errors.u.c [1] new crashes specific to version 3.26.1-0ubuntu2.17.10.1 
>all but one failed to retrace and could not be bucketed. Hence it is not 
>possible to take a decision based on these new crash reports. The crashes that 
>failed to retrace are:
https://errors.ubuntu.com/problem/169c8b88552a2231004318e45da0c61d14238d17
https://errors.ubuntu.com/problem/897b37ad31b25c3c042535a5f2fcb051a38c5e2a
https://errors.ubuntu.com/problem/e6a6f59139de19a51e1d9b6a546c4222cf0a8d5d
https://errors.ubuntu.com/problem/34980d512593c1800342e6bf5cb60ac988be5902
https://errors.ubuntu.com/problem/a3d20a0452b8d20985a14a66046b66dd94549055

The following crash report is new with the version in artful-proposed and has 
been reported as bug 1734630
https://errors.ubuntu.com/problem/627675f12f5f22a3d6b6ee73271c007681d1d0db

@Robert, could you have a look and tell if it has been introduced by the
new code in this SRU and could you give your opinion on the crashes that
failed to retrace?


Thanks.

[1] https://errors.ubuntu.com/?release=Ubuntu%2017.10=gnome-
software=week=3.26.1-0ubuntu2.17.10.1

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Title:
  Installed, popular and featured snaps are loaded in parallel threads
  can crash

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[Bug 1716633] Re: Installed, popular and featured snaps are loaded in parallel threads can crash

[Brian Murray]

Hello errors.ubuntu.com, or anyone else affected,

Accepted gnome-software into artful-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/gnome-
software/3.26.1-0ubuntu2.17.10.1 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 and change the tag from
verification-needed-artful to verification-done-artful. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-artful. In either case, details of your
testing will help us make a better decision.

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

** Changed in: gnome-software (Ubuntu Artful)
   Status: Triaged => Fix Committed

** Tags added: verification-needed verification-needed-artful

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Title:
  Installed, popular and featured snaps are loaded in parallel threads
  can crash

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[Bug 1716633] Re: Installed, popular and featured snaps are loaded in parallel threads can crash

[Robert Ancell]

I'm awaiting QA confirmation of the proposed release in ppa:ubuntu-
desktop/gnome-software and the packaging branches.

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Title:
  Installed, popular and featured snaps are loaded in parallel threads
  can crash

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[Bug 1716633] Re: Installed, popular and featured snaps are loaded in parallel threads can crash

[Sebastien Bacher]

Robert, when do you plan to SRU to 17.10?

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Title:
  Installed, popular and featured snaps are loaded in parallel threads
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