https://bugs.kde.org/show_bug.cgi?id=389132
Bug ID: 389132
Summary: plasmashell's notification history seems to have no
upper limit
Product: plasmashell
Version: 5.11.5
Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: Notifications
Assignee: k...@privat.broulik.de
Reporter: kdeb...@fratti.ch
CC: plasma-b...@kde.org
Target Milestone: 1.0
It appears that plasmashell's notification history does not have an upper
limit, which means that buggy applications may accidentally OOM the system
through plasmashell by creating a lot of notifications.
In my case, qBittorrent spams a notification for every IOError it encounters
(happens quite often when you accidentally disconnect the external drive),
which quickly leads to plasmashell's memory usage ballooning in size to several
gigabytes.
plasmashell could enforce a per-PID maximum number of notifications that it
keeps in its history to prevent this from happening, discarding old
notifications as new ones come in if the limit is reached.
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