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authorThiago Macieira <thiago.macieira@intel.com>2013-01-18 14:39:00 +0800
committerThe Qt Project <gerrit-noreply@qt-project.org>2013-03-05 20:58:00 +0100
commit950b35cf97ad398f97883efd2a18ee97994a8a9c (patch)
tree9ceee609b71455fb9e719ed9240e2c64a9bf3172 /src/plugins/platforminputcontexts/ibus
parent0666975d6c276139788001cdd4cb686c7073f50c (diff)
Clear the current thread data for the main thread
This avoids crashes accessing deleted memory when creating a QObject after the last QObject had been deleted, like a qDebug() in global destructors. ==41000== Invalid read of size 4 ==41000== at 0x5F01ED5: bool QBasicAtomicOps<4>::ref<int>(int&) (qatomic_x86.h:208) ==41000== by 0x5F01309: QBasicAtomicInteger<int>::ref() (qbasicatomic.h:147) ==41000== by 0x5F24051: QThreadData::ref() (qthread.cpp:100) ==41000== by 0x614A984: QObject::QObject(QObject*) (qobject.cpp:681) ==41000== Address 0x6ee73f0 is 0 bytes inside a block of size 152 free'd ==41000== at 0x4A0736C: operator delete(void*) (vg_replace_malloc.c:480) ==41000== by 0x5F240BF: QThreadData::deref() (qthread.cpp:109) ==41000== by 0x6113F6B: QCoreApplicationData::~QCoreApplicationData() (qcoreapplication.cpp:268) The comment right above the change in qthread.cpp looks eerily similar to the problem I'm trying to fix. However, the actual change that introduced the change is not in the Qt public history, so we can't know for sure what the problem was then. Change-Id: I0dba895b041fe6cf81e6f8939ca85035cd00aad1 Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Diffstat (limited to 'src/plugins/platforminputcontexts/ibus')
0 files changed, 0 insertions, 0 deletions