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  1. Qt
  2. QTBUG-102703

tst_QPointer::threadSafety() crashes

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Details

    • Bug
    • Status: Closed
    • P2: Important
    • Resolution: Fixed
    • 6.4
    • None
    • None
    • Coin Precheck run, see URL of crash-log for details.
    • Windows

    Description

      While trying to fix QTBUG-102334 I've tripped over a crash in tst_QPointer::threadSafety().

      My proposed fix for QTBUG-102334, that I was testing when this showed up, has (according to QTBUG-102334's reporter, testing my patch) some thread-safety issues, but (given how small my change is, this problem is probably pre-existing and merely brought to light by my change, and) I see no sign of QSettings (the only code changed by my proposed fix) in the tst_QPointer crash-log:

      Stack:
      #  1: QTest::toString() - 0x00007FF99D777B40
      #  2: UnhandledExceptionFilter() - 0x00007FF9BD412090
      #  3: memset() - 0x00007FF9BFC0A000
      #  4: _C_specific_handler() - 0x00007FF9BFBF3500
      #  5: _chkstk() - 0x00007FF9BFC08140
      #  6: RtlRestoreContext() - 0x00007FF9BFB95120
      #  7: KiUserExceptionDispatcher() - 0x00007FF9BFC07250
      #  8: QBindingStorage::reinitAfterThreadMove() - 0x00007FF984C105C0
      #  9: QObjectPrivate::reinitBindingStorageAfterThreadMove() - 0x00007FF984C0C540
      # 10: QThread::exec() - 0x00007FF984CA7BD0
      # 11: QThread::start() - 0x00007FF984D268E0
      # 12: BaseThreadInitThunk() - 0x00007FF9BEBB54D0
      # 13: RtlUserThreadStart() - 0x00007FF9BFB64830
      

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              fabiankosmale Fabian Kosmale
              Eddy Edward Welbourne
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                Resolved:

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