This bug was fixed in the package qtdeclarative-opensource-src -
5.4.1-1ubuntu5
---------------
qtdeclarative-opensource-src (5.4.1-1ubuntu5) vivid; urgency=medium
* debian/patches/Protect-the-RegExp-against-early-garbage-collection.patch
- Fix a potential random crasher with a fix from upstream (LP: #1443981)
-- Timo Jyrinki <timo-jyri...@ubuntu.com> Wed, 15 Apr 2015 07:19:34 +0000
** Changed in: qtdeclarative-opensource-src (Ubuntu Vivid)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1443981
Title:
Protect the RegExp against early garbage collection
Status in qtdeclarative-opensource-src package in Ubuntu:
Fix Released
Status in qtdeclarative-opensource-src source package in Vivid:
Fix Released
Bug description:
RegExp is not properly protected against garbage collection and can
cause a crash depending on when the garbage collection kicks in.
To reproduce the problem save http://paste.ubuntu.com/10821832/ to file.qml
and run
QV4_MM_AGGRESSIVE_GC=1 qmlscene file.qml
The fix is accepted upstream at https://codereview.qt-
project.org/#/c/110411/
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