*** This bug is a duplicate of bug 1616650 ***
    https://bugs.launchpad.net/bugs/1616650

It appears that the snap was updated while chromium was running, which
messed up with the profile directory (revision 1040 mentioned in the
logs is for version 80.0.3987.122). This is a known problem (bug
#1616650), so I'm marking as a duplicate.

I strongly suggest you enable app refresh awareness¹ to avoid this in
the future:

    snap set core experimental.refresh-app-awareness=true


¹ https://forum.snapcraft.io/t/wip-refresh-app-awareness/10736

** This bug has been marked a duplicate of bug 1616650
   snap refresh while command is running may cause issues

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https://bugs.launchpad.net/bugs/1866369

Title:
  [snap] 80.0.3987.132 require new apparmor rules

Status in chromium-browser package in Ubuntu:
  New

Bug description:
  Since the snap upgrade to 80.0.3987.132, chromium keeps complaining
  about I/O errors that are apparently due to missing Apparmor rules.
  Here is what gets logged by "journalctl -f -o cat" when starting and
  closing chromium:

  AVC apparmor="DENIED" operation="unlink" profile="snap.chromium.chromium" 
name=2F686F6D652F7364657A69656C2F736E61702F6368726F6D69756D2F313034302F2E636F6E6669672F6368726F6D69756D2F44656661756C742F4C6173742053657373696F6E
 pid=6794 comm="ThreadPoolForeg" requested_mask="d" denied_mask="d" fsuid=1000 
ouid=1000
  AVC apparmor="DENIED" operation="rename_src" profile="snap.chromium.chromium" 
name=2F686F6D652F7364657A69656C2F736E61702F6368726F6D69756D2F313034302F2E636F6E6669672F6368726F6D69756D2F44656661756C742F43757272656E742053657373696F6E
 pid=6794 comm="ThreadPoolForeg" requested_mask="wd" denied_mask="wd" 
fsuid=1000 ouid=1000
  audit: type=1400 audit(1583509664.429:3450): apparmor="DENIED" 
operation="unlink" profile="snap.chromium.chromium" 
name=2F686F6D652F7364657A69656C2F736E61702F6368726F6D69756D2F313034302F2E636F6E6669672F6368726F6D69756D2F44656661756C742F4C6173742053657373696F6E
 pid=6794 comm="ThreadPoolForeg" requested_mask="d" denied_mask="d" fsuid=1000 
ouid=1000
  audit: type=1400 audit(1583509664.429:3451): apparmor="DENIED" 
operation="rename_src" profile="snap.chromium.chromium" 
name=2F686F6D652F7364657A69656C2F736E61702F6368726F6D69756D2F313034302F2E636F6E6669672F6368726F6D69756D2F44656661756C742F43757272656E742053657373696F6E
 pid=6794 comm="ThreadPoolForeg" requested_mask="wd" denied_mask="wd" 
fsuid=1000 ouid=1000
  AVC apparmor="DENIED" operation="open" profile="snap.chromium.chromium" 
name=2F686F6D652F7364657A69656C2F736E61702F6368726F6D69756D2F313034302F2E636F6E6669672F6368726F6D69756D2F44656661756C742F4C6173742053657373696F6E
 pid=6794 comm="ThreadPoolForeg" requested_mask="wc" denied_mask="wc" 
fsuid=1000 ouid=1000
  AVC apparmor="DENIED" operation="unlink" profile="snap.chromium.chromium" 
name=2F686F6D652F7364657A69656C2F736E61702F6368726F6D69756D2F313034302F2E636F6E6669672F6368726F6D69756D2F44656661756C742F43757272656E742053657373696F6E
 pid=6794 comm="ThreadPoolForeg" requested_mask="d" denied_mask="d" fsuid=1000 
ouid=1000
  AVC apparmor="DENIED" operation="open" profile="snap.chromium.chromium" 
name=2F686F6D652F7364657A69656C2F736E61702F6368726F6D69756D2F313034302F2E636F6E6669672F6368726F6D69756D2F44656661756C742F43757272656E742053657373696F6E
 pid=6794 comm="ThreadPoolForeg" requested_mask="wc" denied_mask="wc" 
fsuid=1000 ouid=1000
  audit: type=1400 audit(1583509664.433:3452): apparmor="DENIED" 
operation="open" profile="snap.chromium.chromium" 
name=2F686F6D652F7364657A69656C2F736E61702F6368726F6D69756D2F313034302F2E636F6E6669672F6368726F6D69756D2F44656661756C742F4C6173742053657373696F6E
 pid=6794 comm="ThreadPoolForeg" requested_mask="wc" denied_mask="wc" 
fsuid=1000 ouid=1000
  audit: type=1400 audit(1583509664.433:3453): apparmor="DENIED" 
operation="unlink" profile="snap.chromium.chromium" 
name=2F686F6D652F7364657A69656C2F736E61702F6368726F6D69756D2F313034302F2E636F6E6669672F6368726F6D69756D2F44656661756C742F43757272656E742053657373696F6E
 pid=6794 comm="ThreadPoolForeg" requested_mask="d" denied_mask="d" fsuid=1000 
ouid=1000
  audit: type=1400 audit(1583509664.433:3454): apparmor="DENIED" 
operation="open" profile="snap.chromium.chromium" 
name=2F686F6D652F7364657A69656C2F736E61702F6368726F6D69756D2F313034302F2E636F6E6669672F6368726F6D69756D2F44656661756C742F43757272656E742053657373696F6E
 pid=6794 comm="ThreadPoolForeg" requested_mask="wc" denied_mask="wc" 
fsuid=1000 ouid=1000
  [6794:6794:0306/104744.442966:ERROR:browser_main_loop.cc(277)] Gtk: 
gtk_icon_info_load_symbolic_for_context: assertion 'icon_info != NULL' failed
  gdk_pixbuf_get_width: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  gdk_pixbuf_get_height: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  [6794:6794:0306/104744.443908:ERROR:browser_main_loop.cc(277)] Gtk: 
gtk_icon_info_load_symbolic_for_context: assertion 'icon_info != NULL' failed
  gdk_pixbuf_get_width: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  gdk_pixbuf_get_height: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  [6794:6794:0306/104744.444452:ERROR:browser_main_loop.cc(277)] Gtk: 
gtk_icon_info_load_symbolic_for_context: assertion 'icon_info != NULL' failed
  gdk_pixbuf_get_width: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  gdk_pixbuf_get_height: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  Opening in existing browser session.
  AVC apparmor="DENIED" operation="truncate" profile="snap.chromium.chromium" 
name="/home/sdeziel/snap/chromium/1040/.config/chromium/Default/History-journal"
 pid=6794 comm="Chrome_HistoryT" requested_mask="w" denied_mask="w" fsuid=1000 
ouid=1000
  [6794:6937:0306/104744.470760:ERROR:database.cc(1584)] History sqlite error 
1546, errno 0: disk I/O error, sql: SELECT segment_id, time_slot, visit_count 
FROM segment_usage WHERE time_slot >= ? ORDER BY segment_id
  audit: type=1400 audit(1583509664.465:3455): apparmor="DENIED" 
operation="truncate" profile="snap.chromium.chromium" 
name="/home/sdeziel/snap/chromium/1040/.config/chromium/Default/History-journal"
 pid=6794 comm="Chrome_HistoryT" requested_mask="w" denied_mask="w" fsuid=1000 
ouid=1000
  [6794:6794:0306/104744.492608:ERROR:browser_main_loop.cc(277)] Gtk: 
gtk_icon_info_load_symbolic_for_context: assertion 'icon_info != NULL' failed
  gdk_pixbuf_get_width: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  gdk_pixbuf_get_height: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  [6794:6794:0306/104744.493281:ERROR:browser_main_loop.cc(277)] Gtk: 
gtk_icon_info_load_symbolic_for_context: assertion 'icon_info != NULL' failed
  gdk_pixbuf_get_width: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  gdk_pixbuf_get_height: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  [6794:6794:0306/104744.494319:ERROR:browser_main_loop.cc(277)] Gtk: 
gtk_icon_info_load_symbolic_for_context: assertion 'icon_info != NULL' failed
  gdk_pixbuf_get_width: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  gdk_pixbuf_get_height: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  [6794:6794:0306/104744.553178:ERROR:browser_main_loop.cc(277)] Gtk: 
gtk_icon_info_load_symbolic_for_context: assertion 'icon_info != NULL' failed
  gdk_pixbuf_get_width: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  gdk_pixbuf_get_height: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  [6794:6794:0306/104744.553388:ERROR:browser_main_loop.cc(277)] Gtk: 
gtk_icon_info_load_symbolic_for_context: assertion 'icon_info != NULL' failed
  gdk_pixbuf_get_width: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  gdk_pixbuf_get_height: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  gdk_pixbuf_get_width: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  [6794:6794:0306/104744.553578:ERROR:browser_main_loop.cc(277)] Gtk: 
gtk_icon_info_load_symbolic_for_context: assertion 'icon_info != NULL' failed
  gdk_pixbuf_get_height: assertion 'GDK_IS_PIXBUF (pixbuf)' failed
  [6794:6937:0306/104744.808572:ERROR:database.cc(1584)] Thumbnail sqlite error 
778, errno 0: disk I/O error, sql: UPDATE favicon_bitmaps SET last_updated=?, 
last_requested=? WHERE id=?
  [6794:6937:0306/104744.810129:ERROR:database.cc(1584)] Thumbnail sqlite error 
778, errno 0: disk I/O error, sql: UPDATE favicon_bitmaps SET last_updated=?, 
last_requested=? WHERE id=?
  AVC apparmor="DENIED" operation="open" profile="snap.chromium.chromium" 
name=2F686F6D652F7364657A69656C2F736E61702F6368726F6D69756D2F313034302F2E636F6E6669672F6368726F6D69756D2F44656661756C742F43757272656E742053657373696F6E
 pid=6794 comm="ThreadPoolForeg" requested_mask="wc" denied_mask="wc" 
fsuid=1000 ouid=1000
  audit: type=1400 audit(1583509666.945:3456): apparmor="DENIED" 
operation="open" profile="snap.chromium.chromium" 
name=2F686F6D652F7364657A69656C2F736E61702F6368726F6D69756D2F313034302F2E636F6E6669672F6368726F6D69756D2F44656661756C742F43757272656E742053657373696F6E
 pid=6794 comm="ThreadPoolForeg" requested_mask="wc" denied_mask="wc" 
fsuid=1000 ouid=1000
  AVC apparmor="DENIED" operation="truncate" profile="snap.chromium.chromium" 
name="/home/sdeziel/snap/chromium/1040/.config/chromium/Default/History-journal"
 pid=6794 comm="Chrome_HistoryT" requested_mask="w" denied_mask="w" fsuid=1000 
ouid=1000
  [6794:6937:0306/104753.555124:ERROR:database.cc(1584)] History sqlite error 
1546, errno 0: disk I/O error, sql: SELECT 
id,url,visit_time,from_visit,transition,segment_id,visit_duration,incremented_omnibox_typed_score
 FROM visits WHERE id=?
  audit: type=1400 audit(1583509673.549:3457): apparmor="DENIED" 
operation="truncate" profile="snap.chromium.chromium" 
name="/home/sdeziel/snap/chromium/1040/.config/chromium/Default/History-journal"
 pid=6794 comm="Chrome_HistoryT" requested_mask="w" denied_mask="w" fsuid=1000 
ouid=1000
  AVC apparmor="DENIED" operation="mknod" profile="snap.chromium.chromium" 
name="/home/sdeziel/snap/chromium/1040/.config/chromium/.org.chromium.Chromium.GhH4aA"
 pid=6794 comm="ThreadPoolForeg" requested_mask="c" denied_mask="c" fsuid=1000 
ouid=1000
  audit: type=1400 audit(1583509674.441:3458): apparmor="DENIED" 
operation="mknod" profile="snap.chromium.chromium" 
name="/home/sdeziel/snap/chromium/1040/.config/chromium/.org.chromium.Chromium.GhH4aA"
 pid=6794 comm="ThreadPoolForeg" requested_mask="c" denied_mask="c" fsuid=1000 
ouid=1000
  AVC apparmor="DENIED" operation="mknod" profile="snap.chromium.chromium" 
name="/home/sdeziel/snap/chromium/1040/.config/chromium/Default/.org.chromium.Chromium.x7rVyj"
 pid=6794 comm="ThreadPoolForeg" requested_mask="c" denied_mask="c" fsuid=1000 
ouid=1000
  AVC apparmor="DENIED" operation="mknod" profile="snap.chromium.chromium" 
name="/home/sdeziel/snap/chromium/1040/.config/chromium/Default/.org.chromium.Chromium.vaqYEJ"
 pid=6941 comm="ThreadPoolForeg" requested_mask="c" denied_mask="c" fsuid=1000 
ouid=1000
  audit: type=1400 audit(1583509674.521:3459): apparmor="DENIED" 
operation="mknod" profile="snap.chromium.chromium" 
name="/home/sdeziel/snap/chromium/1040/.config/chromium/Default/.org.chromium.Chromium.x7rVyj"
 pid=6794 comm="ThreadPoolForeg" requested_mask="c" denied_mask="c" fsuid=1000 
ouid=1000
  audit: type=1400 audit(1583509674.521:3460): apparmor="DENIED" 
operation="mknod" profile="snap.chromium.chromium" 
name="/home/sdeziel/snap/chromium/1040/.config/chromium/Default/.org.chromium.Chromium.vaqYEJ"
 pid=6941 comm="ThreadPoolForeg" requested_mask="c" denied_mask="c" fsuid=1000 
ouid=1000
  [6794:6937:0306/104754.810597:ERROR:database.cc(1584)] History sqlite error 
1, errno 0: cannot commit - no transaction is active, sql: COMMIT
  [6794:6937:0306/104754.811356:ERROR:database.cc(1584)] Thumbnail sqlite error 
1, errno 0: cannot commit - no transaction is active, sql: COMMIT
  AVC apparmor="DENIED" operation="open" profile="snap.chromium.chromium" 
name=2F686F6D652F7364657A69656C2F736E61702F6368726F6D69756D2F313034302F2E636F6E6669672F6368726F6D69756D2F44656661756C742F43757272656E742053657373696F6E
 pid=6794 comm="ThreadPoolForeg" requested_mask="wc" denied_mask="wc" 
fsuid=1000 ouid=1000
  audit: type=1400 audit(1583509675.021:3461): apparmor="DENIED" 
operation="open" profile="snap.chromium.chromium" 
name=2F686F6D652F7364657A69656C2F736E61702F6368726F6D69756D2F313034302F2E636F6E6669672F6368726F6D69756D2F44656661756C742F43757272656E742053657373696F6E
 pid=6794 comm="ThreadPoolForeg" requested_mask="wc" denied_mask="wc" 
fsuid=1000 ouid=1000


  Additional information:

  $ lsb_release -rd
  Description:  Ubuntu 18.04.4 LTS
  Release:      18.04

  $ uname -a
  Linux simon-lemur 5.3.0-40-generic #32~18.04.1-Ubuntu SMP Mon Feb 3 14:05:59 
UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

  $ snap info chromium
  name:      chromium
  summary:   Chromium web browser, open-source version of Chrome
  publisher: Canonical✓
  store-url: https://snapcraft.io/chromium
  contact:   
https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bugs?field.tag=snap
  license:   unset
  description: |
    An open-source browser project that aims to build a safer, faster, and more 
stable way for all
    Internet users to experience the web.
  commands:
    - chromium.chromedriver
    - chromium
  snap-id:      XKEcBqPM06H1Z7zGOdG5fbICuf8NWK5R
  tracking:     latest/stable
  refresh-date: yesterday at 15:55 EST
  channels:
    stable:    80.0.3987.132 2020-03-05 (1043) 160MB -
    candidate: 80.0.3987.132 2020-03-04 (1043) 160MB -
    beta:      81.0.4044.43  2020-03-05 (1045) 161MB -
    edge:      81.0.4044.17  2020-02-14 (1028) 161MB -
  installed:   80.0.3987.132            (1043) 160MB -

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