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The console output:
$ twinkle
QApplication: invalid style override passed, ignoring it.
Language name: "en"
mprotect failed in ExecutableAllocator::makeExecutable: Permission denied
*** stack smashing detected ***: <unknown> terminated
Aborted (core dumped)
$
I've attached a strace output file.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: twinkle 1:1.10.1+dfsg-3
ProcVersionSignature: Ubuntu 4.15.0-47.50-generic 4.15.18
Uname: Linux 4.15.0-47-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
CurrentDesktop: LXDE
Date: Tue Apr 16 15:29:30 2019
EcryptfsInUse: Yes
InstallationDate: Installed on 2018-06-11 (309 days ago)
InstallationMedia: Lubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
SourcePackage: twinkle
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: qtdeclarative-opensource-src (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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twinkle doesn't start (stack smashing detected) (Lubuntu 18.04)
https://bugs.launchpad.net/bugs/1824986
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