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  1. Qt
  2. QTBUG-102703

tst_QPointer::threadSafety() crashes

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Details

    • Bug
    • Resolution: Fixed
    • P2: Important
    • None
    • 6.4
    • Core: Containers and Algorithms
    • 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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          blocks

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-102334 QSettings / QDateTime incompatible when switching from Qt6 -> Qt5

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
          duplicates

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-101681 tst_QPointer::threadSafety() is flaky (probably race condition)

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed
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              fabiankosmale Fabian Kosmale
              Eddy Edward Welbourne
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              Dates

                Created:
                Updated:
                Resolved:

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