D11807: AbstractModel: Check if index is valid in setData

[David Rosca]

drosca created this revision.
drosca added a reviewer: Plasma.
Restricted Application added a project: Plasma.
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drosca requested review of this revision.

REVISION SUMMARY
  It would crash in MapBase::objectAt if the index is not valid
  because it doesn't check the map bounds.

TEST PLAN
  Builds

REPOSITORY
  R115 Plasma Audio Volume Applet

BRANCH
  Plasma/5.12

REVISION DETAIL
  https://phabricator.kde.org/D11807

AFFECTED FILES
  src/pulseaudio.cpp

To: drosca, #plasma
Cc: plasma-devel, ragreen, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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