[Bug 1723378] Re: gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels() from _st_create_shadow_pipeline() from _st_create_shadow_pipeline_from_actor() from st_icon_update_shadow_pipeline(

[Launchpad Bug Tracker]

This bug was fixed in the package gnome-shell - 3.28.1-0ubuntu1

---
gnome-shell (3.28.1-0ubuntu1) bionic; urgency=medium

  [ Jeremy Bicha ]
  * New upstream release
  * Drop obsolete patches:
- 27-nm-libexec-path.patch
- fix-wayland-vbox-crash.patch

  [ Marco Trevisan (Treviño) ]
  Cherry-pick patches applied to upstream git master:
  * ui-Theme-lookup-should-respect-XDG_DATA_DIRS.patch:
- Renamed from ubuntu_theme_lookup_xdg.patch and cherry-picked from
  upstream
  * workspaceThumbnail-only-update-_porthole-if-the-overview-.patch:
workspaceThumbnail-rebuild-thumbnails-if-workareas-size-c.patch:
workspaceThumbnail-initialize-porthole-based-on-workArea.patch:
- Cherry-picks from upstream, avoid unneeded computations in activities
  * popupMenu-Fix-wrong-call-to-clutter_actor_add_child.patch:
- Cherry-pick from upstream
  * volume-Add-back-sound-feedback-on-scroll.patch:
- Fix regression causing missing feedback on volume slider scroll

  Add patches proposed upstream:
  * shell-ignore-invalid-window-monitor-index.patch:
- Fix crash on accessing on invalid monitor windows (LP: #1724439)
  * StIcon-only-compute-shadow-pipeline-when-the-texture-is-p.patch:
- Don't try to compute shadows on not allocated icons (LP: #1723378)
  * js-fix-invalid-access-errors.patch:
- Fix javascript errors (LP: #1747566)
  * workspace-fix-repositioned-windows-in-activities.patch:
- Ensure windows thumbnails coordinates are correct (LP: #1653153)
  * st-texture-cache-Cancel-sliced-image-loading-on-target-ac.patch:
- Fix possible crash on cache loading
  * st-texture-cache-Don-t-add-NULL-textures-to-cache.patch:
- Fix crash when deleting NULL textures from cache (LP: #1754445)

 -- Marco Trevisan (Treviño)   Tue, 17 Apr 2018
14:40:17 -0400

** Changed in: gnome-shell (Ubuntu)
   Status: In Progress => Fix Released

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Title:
  gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels()
  from _st_create_shadow_pipeline() from
  _st_create_shadow_pipeline_from_actor() from
  st_icon_update_shadow_pipeline()

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[Bug 1723378] Re: gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels() from _st_create_shadow_pipeline() from _st_create_shadow_pipeline_from_actor() from st_icon_update_shadow_pipeline(

[Bug Watch Updater]

** Changed in: gnome-shell
   Status: Confirmed => Fix Released

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Title:
  gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels()
  from _st_create_shadow_pipeline() from
  _st_create_shadow_pipeline_from_actor() from
  st_icon_update_shadow_pipeline()

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[Bug 1723378] Re: gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels() from _st_create_shadow_pipeline() from _st_create_shadow_pipeline_from_actor() from st_icon_update_shadow_pipeline(

[Bug Watch Updater]

** Changed in: gnome-shell
   Status: Invalid => Confirmed

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Title:
  gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels()
  from _st_create_shadow_pipeline() from
  _st_create_shadow_pipeline_from_actor() from
  st_icon_update_shadow_pipeline()

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[Bug 1723378] Re: gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels() from _st_create_shadow_pipeline() from _st_create_shadow_pipeline_from_actor() from st_icon_update_shadow_pipeline(

[Bug Watch Updater]

** Changed in: gnome-shell
   Status: Confirmed => Invalid

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Title:
  gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels()
  from _st_create_shadow_pipeline() from
  _st_create_shadow_pipeline_from_actor() from
  st_icon_update_shadow_pipeline()

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[Bug 1723378] Re: gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels() from _st_create_shadow_pipeline() from _st_create_shadow_pipeline_from_actor() from st_icon_update_shadow_pipeline(

[Treviño]

Right... But only because the code path changed there... And it's *very
likely* due to commit 7015bb2 (but event the apparently right 7f381dd
could have something related), however the code there was just wrong
anyway... So better to fix that uncommit something that could still
crash in other cases.

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Title:
  gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels()
  from _st_create_shadow_pipeline() from
  _st_create_shadow_pipeline_from_actor() from
  st_icon_update_shadow_pipeline()

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[Bug 1723378] Re: gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels() from _st_create_shadow_pipeline() from _st_create_shadow_pipeline_from_actor() from st_icon_update_shadow_pipeline(

[Daniel van Vugt]

Worth noting this crash is new in 3.26.1 ...

https://errors.ubuntu.com/problem/39ad471656564025f5de8136fcb05bccd9c3e8c7

There are no reports of it prior to 3.26.1

** Tags added: regression-release

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Title:
  gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels()
  from _st_create_shadow_pipeline() from
  _st_create_shadow_pipeline_from_actor() from
  st_icon_update_shadow_pipeline()

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[Bug 1723378] Re: gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels() from _st_create_shadow_pipeline() from _st_create_shadow_pipeline_from_actor() from st_icon_update_shadow_pipeline(

[Daniel van Vugt]

hackel, I agree Launchpad could be made more intelligent. If you like
you can log an enhancement request here:
https://bugs.launchpad.net/launchpad/+filebug

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Title:
  gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels()
  from _st_create_shadow_pipeline() from
  _st_create_shadow_pipeline_from_actor() from
  st_icon_update_shadow_pipeline()

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[Bug 1723378] Re: gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels() from _st_create_shadow_pipeline() from _st_create_shadow_pipeline_from_actor() from st_icon_update_shadow_pipeline(

[Treviño]

The fix is ongoing, thanks

For future cases, in order to provide debug infos, just read this
https://wiki.gnome.org/Community/GettingInTouch/Bugzilla/GettingTraces/Details
#Obtaining_a_stack_and_JS_trace_using_GDB_for_an_already_running_gnome-
shell

Thanks

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Title:
  gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels()
  from _st_create_shadow_pipeline() from
  _st_create_shadow_pipeline_from_actor() from
  st_icon_update_shadow_pipeline()

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[Bug 1723378] Re: gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels() from _st_create_shadow_pipeline() from _st_create_shadow_pipeline_from_actor() from st_icon_update_shadow_pipeline(

[hackel]

I just want to point out that when following the apport bug reporting
process, it initially pulls up a list of existing bugs by searching for
the subject "gnome-shell crashed with signal 5 in g_malloc0()", and this
bug does not show up in that list.  In fact, the most recent bug in that
list is from 2012.  As a result, people (or at least me, until now)
aren't finding this to report issues as a duplicate, and they are
commenting on these really old, unrelated bug reports.  It might be a
good idea to close out all of those old bugs so as to elevate issues
arising now that gnome-shell is the default.

I get hit with this bug multiple times a day, so I'm going to just stop
reporting it as I'm sure there are plenty of reports here by now, but
please let me know if there's anything I can do to assist with debugging
this issue.

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Title:
  gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels()
  from _st_create_shadow_pipeline() from
  _st_create_shadow_pipeline_from_actor() from
  st_icon_update_shadow_pipeline()

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[Bug 1723378] Re: gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels() from _st_create_shadow_pipeline() from _st_create_shadow_pipeline_from_actor() from st_icon_update_shadow_pipeline(

[Bug Watch Updater]

** Changed in: gnome-shell
   Status: Unknown => Confirmed

** Changed in: gnome-shell
   Importance: Unknown => High

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Title:
  gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels()
  from _st_create_shadow_pipeline() from
  _st_create_shadow_pipeline_from_actor() from
  st_icon_update_shadow_pipeline()

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[Bug 1723378] Re: gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels() from _st_create_shadow_pipeline() from _st_create_shadow_pipeline_from_actor() from st_icon_update_shadow_pipeline(

[Treviño]

Similar upstream bug is also
https://bugzilla.gnome.org/show_bug.cgi?id=788908 (could be the same
root cause)

** Bug watch added: GNOME Bug Tracker #788627
   https://bugzilla.gnome.org/show_bug.cgi?id=788627

** Also affects: gnome-shell via
   https://bugzilla.gnome.org/show_bug.cgi?id=788627
   Importance: Unknown
   Status: Unknown

** Bug watch added: GNOME Bug Tracker #788908
   https://bugzilla.gnome.org/show_bug.cgi?id=788908

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Title:
  gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels()
  from _st_create_shadow_pipeline() from
  _st_create_shadow_pipeline_from_actor() from
  st_icon_update_shadow_pipeline()

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[Bug 1723378] Re: gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels() from _st_create_shadow_pipeline() from _st_create_shadow_pipeline_from_actor() from st_icon_update_shadow_pipeline(

[Daniel van Vugt]

** Summary changed:

- 
/usr/bin/gnome-shell:5:g_malloc0:blur_pixels:_st_create_shadow_pipeline:_st_create_shadow_pipeline_from_actor:st_icon_update_shadow_pipeline
+ gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels() from 
_st_create_shadow_pipeline() from _st_create_shadow_pipeline_from_actor() from 
st_icon_update_shadow_pipeline()

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Title:
  gnome-shell crashed with SIGTRAP in g_malloc0() from blur_pixels()
  from _st_create_shadow_pipeline() from
  _st_create_shadow_pipeline_from_actor() from
  st_icon_update_shadow_pipeline()

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