Segfaults while debugging hang system

Executable: /home/mitch/dev/qt5-dev-debug/qtquickcontrols2/tests/auto/controls/default/tst_default
Command line arguments: -input .<FIXME>/qt5-dev/qtquickcontrols2/tests/auto/controls/data/tst_tumbler.qml Tumbler::test_currentIndexAtCreation
Working directory: /home/mitch/dev/qt5-dev-debug/qtquickcontrols2/tests/auto/controls/default

sStarting debugger "GdbEngine" for ABI "x86-linux-generic-elf-64bit"...
dStart parameters: 'default' mode: 1
dABI: x86-linux-generic-elf-64bit
dLanguages: c++ 
dExecutable: /home/mitch/dev/qt5-dev-debug/qtquickcontrols2/tests/auto/controls/default/tst_default -input /home/mitch/dev/qt5-dev/qtquickcontrols2/tests/auto/controls/data/tst_tumbler.qml Tumbler::test_currentIndexAtCreation
dDirectory: /home/mitch/dev/qt5-dev-debug/qtquickcontrols2/tests/auto/controls/default
dDebugger: /usr/bin/gdb
dProject: /home/mitch/dev/qt5-dev/qtquickcontrols2Addtional Search Directories:
dRemote: :0
dSysroot: 
dDebug Source Location: 
dDebugger settings: 
dAutoQuit: false  (default: false)
dLogTimeStamps: false  (default: false)
dUseAlternatingRowColours: false  (default: false)
dFontSizeFollowsEditor: false  (default: false)
dUseMessageBoxForSignals: true  (default: true)
dAllPluginBreakpoints: true  (default: true)
dSelectedPluginBreakpoints: false  (default: false)
dAdjustBreakpointLocations: true  (default: true)
dMaximalStringLength: 10000  (default: 10000)
dDisplayStringLimit: 100  (default: 100)
dSkipKnownFrames: false  (default: false)
dEnableReverseDebugging: false  (default: false)
dShowQtNamespace: true  (default: true)
dShowQObjectNames: false  (default: false)
dSortStructMembers: true  (default: true)
dAutoDerefPointers: true  (default: true)
dMaximalStackDepth: 20  (default: 20)
dShowStandardNamespace: true  (default: true)
dWarnOnReleaseBuilds: true  (default: true)
dMultiInferior: false  (default: false)
dIntelFlavor: false  (default: false)
dIdentifyDebugInfoPackages: false  (default: false)
dWatchdogTimeout: 20  (default: 20)
dAutoEnrichParameters: true  (default: true)
dUseDynamicType: true  (default: true)
dTargetAsync: false  (default: false)
dLoadGdbDumpers2: false  (default: false)
dAttemptQuickStart: false  (default: false)
dGdbStartupCommands:   (default: )
dGdbPostAttachCommands:   (default: )
dCDB_Console: false  (default: false)
dBreakpointCorrection: true  (default: true)
dIgnoreFirstChanceAccessViolation: false  (default: false)
dLoadGdbInit: true  (default: true)
dQmlInspector.ShowAppOnTop: false  (default: false)
dBreakOnWarning: false  (default: false)
dBreakOnFatal: false  (default: false)
dBreakOnAbort: false  (default: false)
dShowQmlObjectTree: true  (default: true)
dNoPluginBreakpoints: false  (default: false)
dSelectedPluginBreakpointsPattern: .*  (default: .*)
dBreakOnThrow: false  (default: false)
dBreakOnCatch: false  (default: false)
dSymbolPaths:   (default: )
dSourcePaths:   (default: )
dBreakEvent:   (default: )
dBreakOnCrtDbgReport: false  (default: false)
dAlwaysAdjustColumnWidths: true  (default: true)
dExtraDumperFile:   (default: )
dGdbCustomDumperCommands:   (default: )
dAdditionalArguments:   (default: )
dUseToolTipsInBreakpointsView: false  (default: true)  ***
dUseAddressInBreakpointsView: false  (default: false)
dUseAddressInStackView: false  (default: false)
dShowThreadNames: false  (default: false)
dUseToolTips: false  (default: true)  ***
dUseToolTipsInLocalsView: false  (default: false)
dUseToolTipsInBreakpointsView: false  (default: false)
dRaiseOnInterrupt: true  (default: true)
dStationaryEditorWhileStepping: false  (default: false)
dUseDebuggingHelper: true  (default: true)
dUseCodeModel: true  (default: true)
dCloseBuffersOnExit: false  (default: false)
dCloseMemoryBuffersOnExit: true  (default: true)
dSwitchModeOnExit: false  (default: false)
dBreakpointsFullPath: false  (default: false)
dState changed from DebuggerNotReady(0) to EngineSetupRequested(1) [master]
dQUEUE: SETUP ENGINE
dCALL: SETUP ENGINE
dEXAMINING /home/mitch/dev/qt5-dev-debug/qtquickcontrols2/tests/auto/controls/default/tst_default
dELF SECTIONS:  .interp .note.ABI-tag .note.gnu.build-id .dynsym .dynstr .gnu.hash .gnu.version .gnu.version_r .rela.dyn .rela.plt .init .plt .text .fini .rodata .qtversion .gcc_except_table .eh_frame .eh_frame_hdr .data.rel.ro.local .jcr .fini_array .init_array .dynamic .got .got.plt .data .tm_clone_table .bss .comment .debug_info .debug_abbrev .debug_aranges .debug_ranges .debug_line .debug_str .note.gnu.gold-version .symtab .strtab .shstrtab 
dTRYING TO START ADAPTER
dENABLING TEST CASE: 0
dSTARTING /usr/bin/gdb -i mi --tty=/tmp/QtCreator.EH2520
dGDB STARTED, INITIALIZING IT
<1show version
<2show debug-file-directory
<3set print object on
<4set breakpoint pending on
<5set print elements 10000
<6handle SIGSEGV nopass stop print
<7set unwindonsignal on
<8set width 0
<9set height 0
sSetting up inferior...
<10set substitute-path /var/tmp/qt-src /home/mitch/dev/qt5-dev-debug/qtbase
<11-interpreter-exec console "set auto-solib-add on"
<12python sys.path.insert(1, '/home/mitch/dev/qt-enterprise/Tools/QtCreator/share/qtcreator/debugger/')
<13python sys.path.append('/usr/bin/data-directory/python')
<14python from gdbbridge import *
<15python theDumper.loadDumpers({"token":15})
>=thread-group-added,id="i1"
>~"GNU gdb (Ubuntu 7.11-0ubuntu1) 7.11\n"
>~"Copyright (C) 2016 Free Software Foundation, Inc.\n"
>~"License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law.  Type \"show copying\"\nand \"show warranty\" for details.\n"
>~"This GDB was configured as \"x86_64-linux-gnu\".\nType \"show configuration\" for configuration details."
>~"\nFor bug reporting instructions, please see:\n"
>~"<http://www.gnu.org/software/gdb/bugs/>.\n"
>~"Find the GDB manual and other documentation resources online at:\n<http://www.gnu.org/software/gdb/documentation/>.\n"
>~"For help, type \"help\".\n"
>~"Type \"apropos word\" to search for commands related to \"word\".\n"

>&"show version\n"
>~"GNU gdb (Ubuntu 7.11-0ubuntu1) 7.11\n"
>~"Copyright (C) 2016 Free Software Foundation, Inc.\n"
>~"License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law.  Type \"show copying\"\nand \"show warranty\" for details.\n"
>~"This GDB was configured as \"x86_64-linux-gnu\".\nType \"show configuration\" for configuration details."
>~"\nFor bug reporting instructions, please see:\n"
>~"<http://www.gnu.org/software/gdb/bugs/>.\n"
>~"Find the GDB manual and other documentation resources online at:\n<http://www.gnu.org/software/gdb/documentation/>.\n"
>~"For help, type \"help\".\n"
>~"Type \"apropos word\" to search for commands related to \"word\".\n"
>1^done
dPARSING VERSION: 1^done
dSUPPORTED GDB VERSION GNU gdb (Ubuntu 7.11-0ubuntu1) 7.11
dCopyright (C) 2016 Free Software Foundation, Inc.
dLicense GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
dThis is free software: you are free to change and redistribute it.
dThere is NO WARRANTY, to the extent permitted by law.  Type "show copying"
dand "show warranty" for details.
dThis GDB was configured as "x86_64-linux-gnu".
dType "show configuration" for configuration details.
dFor bug reporting instructions, please see:
d<http://www.gnu.org/software/gdb/bugs/>.
dFind the GDB manual and other documentation resources online at:
d<http://www.gnu.org/software/gdb/documentation/>.
dFor help, type "help".
dType "apropos word" to search for commands related to "word".
dGNU gdb (Ubuntu 7.11-0ubuntu1) 7.11
dCopyright (C) 2016 Free Software Foundation, Inc.
dLicense GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
dThis is free software: you are free to change and redistribute it.
dThere is NO WARRANTY, to the extent permitted by law.  Type "show copying"
dand "show warranty" for details.
dThis GDB was configured as "x86_64-linux-gnu".
dType "show configuration" for configuration details.
dFor bug reporting instructions, please see:
d<http://www.gnu.org/software/gdb/bugs/>.
dFind the GDB manual and other documentation resources online at:
d<http://www.gnu.org/software/gdb/documentation/>.
dFor help, type "help".
dType "apropos word" to search for commands related to "word".
dUSING GDB VERSION: 71100, BUILD: 0
<16-interpreter-exec console "set target-async off"

>&"show debug-file-directory\n"
>~"The directory where separate debug symbols are searched for is \"/usr/lib/debug\".\n"
>2^done

>&"set print object on\n"
>=cmd-param-changed,param="print object",value="on"
>3^done

>&"set breakpoint pending on\n"
>=cmd-param-changed,param="breakpoint pending",value="on"
>4^done

>&"set print elements 10000\n"
>=cmd-param-changed,param="print elements",value="10000"
>5^done

>&"handle SIGSEGV nopass stop print\n"
>~"Signal        Stop\tPrint\tPass to program\tDescription\n"
>~"SIGSEGV       Yes\tYes\tNo\t\tSegmentation fault\n"
>6^done

>&"set unwindonsignal on\n"
>=cmd-param-changed,param="unwindonsignal",value="on"
>7^done

>&"set width 0\n"
>=cmd-param-changed,param="width",value="4294967295"
>8^done

>&"set height 0\n"
>9^done

>&"set substitute-path /var/tmp/qt-src /home/mitch/dev/qt5-dev-debug/qtbase\n"
>10^done

>11^done

>&"python sys.path.insert(1, '/home/mitch/dev/qt-enterprise/Tools/QtCreator/share/qtcreator/debugger/')\n"
>12^done

>&"python sys.path.append('/usr/bin/data-directory/python')\n"
>13^done

>&"python from gdbbridge import *\n"
>&"No symbol table is loaded.  Use the \"file\" command.\n"
>14^done

>&"python theDumper.loadDumpers({\"token\":15})\n"
>~"dumpers=[{type=\"CPlusPlus__TemplateNameId\"},{type=\"std____debug__list\"},{type=\"QV4__CallData\"},{type=\"QStandardItem\"},{type=\"std____1__vector\"},{type=\"QDate\"},{type=\"__m128d\"},{type=\"std____1__wstring\"},{type=\"QLinkedList\"},{type=\"QTimeZone\"},{type=\"QBitArray\"},{type=\"QSharedDataPointer\"},{type=\"wstring\"},{type=\"QJsonPrivate__q_littleendian\"},{type=\"QSize\"},{type=\"std____debug__set\"},{type=\"Debugger__Internal__WatchItem\"},{type=\"std__unordered_map\",formats=\"17\"},{type=\"std__stack\"},{type=\"Debugger__Internal__WatchData\"},{type=\"Core__GeneratedFile\"},{type=\"QSharedData\"},{type=\"QXmlStreamAttribute\"},{type=\"CPlusPlus__StringLiteral\"},{type=\"QMapNode\"},{type=\"CPlusPlus__Symbol\"},{type=\"QMetaObject\"},{type=\"std__stringHelper1__QNX\"},{type=\"QHashNode\",formats=\"17\"},{type=\"QXmlAttributes\"},{type=\"std__valarray\",formats=\"16\"},{type=\"std____cxx1998__map\"},{type=\"QString\",editable=\"true\",formats=\"2, 4\"},{type=\"std__map__iterator\"},{type=\"QV4__String\"},{type=\"int8_t\"},{type=\"QRegExp\"},{type=\"std____1__multimap\",formats=\"17\"},{type=\"CPlusPlus__QualifiedNameId\"},{type=\"QV4__CompilationUnit\"},{type=\"QHostAddress\"},{type=\"QTemporaryFile\"},{type=\"QTextCursor\"},{type=\"std__wstring\",formats=\"2, 4\"},{type=\"std____1__map\",formats=\"17\"},{type=\"std__stringHelper1\"},{type=\"QTextDocument\"},{type=\"QV4__TypedValue\"},{type=\"QHash__const_iterator\"},{type=\"__gnu_debug___Safe_iterator\"},{type=\"ProString\"},{type=\"QPixmap\"},{type=\"QRect\"},{type=\"QAtomicInt\"},{type=\"QIPv6Address\"},{type=\"QUuid\"},{type=\"QJsonArray\"},{type=\"QByteArray\",formats=\"5, 6, 7, 8\"},{type=\"QRectF\"},{type=\"QVariant\"},{type=\"Debugger__Internal__DisassemblerLine\"},{type=\"QStack\",formats=\"16\"},{type=\"__gnu_cxx__hash_set\"},{type=\"CPlusPlus__Internal__Value\"},{type=\"QHashedString\"},{type=\"QSharedPointer\"},{type=\"std__deque\"},{type=\"QVector\",editable=\"true\",formats=\"16\"},{type=\"__m512\"},{type=\"std__unique_ptr\"},{type=\"Core__Id\"},{type=\"QMetaObjectPrivate\"},{type=\"std__set__iterator\"},{type=\"__m256\"},{type=\"CPlusPlus__Token\"},{type=\"std__set__const_iterator\"},{type=\"QMap\",formats=\"17\"},{type=\"std____cxx11__basic_string\"},{type=\"QJsonPrivate__qle_signedbitfield\"},{type=\"std__set\"},{type=\"__m512i\"},{type=\"std____1__unordered_map\",formats=\"17\"},{type=\"std__list\"},{type=\"QMultiMap\",formats=\"17\"},{type=\"Debugger__Internal__ThreadId\"},{type=\"std__unordered_set\"},{type=\"QV4__ScriptFunction\"},{type=\"__m128\"},{type=\"std____1__basic_string\"},{type=\"CPlusPlus__Internal__PPToken\"},{type=\"std__multimap\",formats=\"17\"},{type=\"QLocale\"},{type=\"__m512d\"},{type=\"std____1__unique_ptr\"},{type=\"QQmlAccessorProperties__Properties\"},{type=\"CPlusPlus__ByteArrayRef\"},{type=\"boost__unordered__unordered_set\"},{type=\"std____cxx11__wstring\",formats=\"2, 4\"},{type=\"std___Rb_tree_const_iterator\"},{type=\"std__deque__QNX\"},{type=\"QV4__ExecutionContext\"},{type=\"std__string\",editable=\"true\",formats=\"5, 6, 7, 8\"},{type=\"std__basic_string\"},{type=\"std____debug__unordered_set\"},{type=\"QByteArrayData\"},{type=\"KDSoapValue\"},{type=\"CPlusPlus__Identifier\"},{type=\"boost__container__list\"},{type=\"QVariant (QVariantMap)\",formats=\"17\"},{type=\"Debugger__Internal__GdbMi\"},{type=\"uint8_t\"},{type=\"QVariantMap\",formats=\"17\"},{type=\"QVarLengthArray\"},{type=\"QXmlStreamStringRef\"},{type=\"QArrayData\"},{type=\"QDir\"},{type=\"QV4__FunctionObject\"},{type=\"__m128i\"},{type=\"std____cxx11__string\",formats=\"5, 6, 7, 8\"},{type=\"CPlusPlus__Class\"},{type=\"std____debug__deque\"},{type=\"std____1__shared_ptr\"},{type=\"Utils__ElfSection\"},{type=\"QPointF\"},{type=\"QTime\"},{type=\"__m256d\"},{type=\"QFileInfo\"},{type=\"QScriptValue\"},{type=\"QPoint\"},{type=\"std____1__string\"},{type=\"std__vector__QNX\"},{type=\"CPlusPlus__Literal\"},{type=\"QTextCodec\"},{type=\"CPlusPlus__PointerType\"},{type=\"QV4__Value\"},{type=\"std____1__set\"},{type=\"QJsonValue\"},{type=\"std__shared_ptr\"},{type=\"boost__posix_time__ptime\"},{type=\"std__set__QNX\"},{type=\"QHash\",formats=\"17\"},{type=\"QList\",formats=\"18, 19\"},{type=\"QBasicAtomicInt\"},{type=\"QImage\",formats=\"2, 4\"},{type=\"std____1__unordered_set\"},{type=\"Utils__FileName\"},{type=\"QStringList\"},{type=\"QDateTime\"},{type=\"std__map__const_iterator\"},{type=\"std____debug__stack\"},{type=\"QHash__iterator\"},{type=\"QFlags\"},{type=\"QV4__CallContext\"},{type=\"QStringData\"},{type=\"std__map\",formats=\"17\"},{type=\"QFile\"},{type=\"std__map__QNX\"},{type=\"std____debug__unordered_map\",formats=\"17\"},{type=\"QWeakPointer\"},{type=\"std____debug__map\"},{type=\"std____cxx11__list\"},{type=\"boost__posix_time__time_duration\"},{type=\"KDSoapValue1\"},{type=\"QJsonObject\"},{type=\"QGraphicsPolygonItem\"},{type=\"std____1__array\",formats=\"16\"},{type=\"std___Rb_tree_iterator\"},{type=\"CPlusPlus__FullySpecifiedType\"},{type=\"std____cxx1998__set\"},{type=\"string\",editable=\"true\"},{type=\"std__list__QNX\"},{type=\"QSet\"},{type=\"boost__optional\"},{type=\"QJsonPrivate__qle_bitfield\"},{type=\"Debugger__Internal__BreakpointModelId\"},{type=\"QV4__Object\"},{type=\"QFiniteStack\",formats=\"16\"},{type=\"__m256i\"},{type=\"QV4__SimpleScriptFunction\"},{type=\"std__array\",formats=\"16\"},{type=\"QFixed\"},{type=\"std__vector\",editable=\"true\",formats=\"16\"},{type=\"std__complex\"},{type=\"QTJSC__JSValue\"},{type=\"CPlusPlus__IntegerType\"},{type=\"QPolygonF\"},{type=\"QStringRef\"},{type=\"QPolygon\"},{type=\"QRegion\"},{type=\"QSizeF\"},{type=\"QAtomicPointer\"},{type=\"boost__bimaps__bimap\"},{type=\"std____debug__vector\",formats=\"16\"},{type=\"CPlusPlus__NamedType\"},{type=\"Eigen__Matrix\"},{type=\"std__multiset\"},{type=\"boost__gregorian__date\"},{type=\"QQmlRefCount\"},{type=\"boost__shared_ptr\"},{type=\"QUrl\",formats=\"2, 4\"},{type=\"QScopedPointer\"},{type=\"QChar\"},],python=\"30501\"\n"
>15^done
dENGINE SUCCESSFULLY STARTED
dNOTE: ENGINE SETUP OK
dState changed from EngineSetupRequested(1) to EngineSetupOk(3) [master]
dQUEUE: SETUP INFERIOR
dState changed from EngineSetupOk(3) to InferiorSetupRequested(4) [master]
dQUEUE: SETUP INFERIOR

dCALL: SETUP INFERIOR
<17-gdb-set environment LD_LIBRARY_PATH=/home/mitch/dev/qt5-dev-debug/qtbase/lib:/home/mitch/dev/qt5-dev-debug/qtbase/lib
<18-gdb-set environment PATH=/home/mitch/dev/qt5-dev-debug/qtbase/bin:/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin
<19-gdb-set environment QTDIR=/home/mitch/dev/qt5-dev-debug/qtbase
<20-gdb-set environment QT_LOGGING_RULES=qt.quick.itemview.lifecycle=true
<21-gdb-set environment QT_MESSAGE_PATTERN=%{time ss:zzz} %{function}: %{message}
<22-exec-arguments -input /home/mitch/dev/qt5-dev/qtquickcontrols2/tests/auto/controls/data/tst_tumbler.qml Tumbler::test_currentIndexAtCreation
<23-file-exec-and-symbols "/home/mitch/dev/qt5-dev-debug/qtquickcontrols2/tests/auto/controls/default/tst_default"
>16^done

>17^done

>18^done

>19^done

>20^done

>21^done

>22^done

>23^done
sSetting breakpoints...
dSetting breakpoints...