Public bug reported:
KUBUNTU 25.04 Plucky
plasma-desktop 4:6.3.4-0ubuntu1
apparmor 4.1.0~beta5-0ubuntu14
Using KDE Plasma widget "Web Browser" kill Plasma desktop due to QtWebEngine
and AppArmor restrictions
Add an empty panel and click on "+ Add Widgets"
Search with browser -> click on "Web Browser" -> widget is add to panel ->
click on "Exit Edit Mode"
Click on icon "Web Browser" or logout/login.
After few seconds, Plasma desktop restart several time and finaly become a
black screen and never comeback !!
Logging :
plasmashell[6762]: LaunchProcess: failed to execvp:
plasmashell[6762]: /usr/lib/qt6/libexec/QtWebEngineProcess
kernel: audit: type=1400 audit(1745144377.735:211): apparmor="DENIED"
operation="exec" class="file" info="no new privs" error=-1
profile="plasmashell" name="/usr/lib/qt6/libexec/QtWebEngineProcess" pid=6762
comm="plasmashell" requested_mask="x" denied_mask="x" fsuid=1000 ouid=0
target="unconfined"
** Affects: apparmor (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2107723
Title:
Using KDE Plasma widget "Web Browser" kill Plasma desktop due to
QtWebEngine and AppArmor restrictions
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