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nullptr when dmp-client thinks server is still playing, but isn't #30

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NickNick opened this issue Nov 26, 2014 · 2 comments
Open

nullptr when dmp-client thinks server is still playing, but isn't #30

NickNick opened this issue Nov 26, 2014 · 2 comments

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@NickNick
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Reproduce

  • Setup client
  • Create a radio
  • Queue a song on that radio
  • Tunein on that radio
  • Tuneout
  • Wait for the song to finish
  • Tunein, client will think is still playing
  • Press play/pause twice.

Stacktrace

ASAN:SIGSEGV
=================================================================
==29063==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x000000abb4e7 bp 0x7fffe9848810 sp 0x7fffe98486e0 T0)
    #0 0xabb4e6 in DmpClientGui::PlayPauseToggled(bool) /tmp/../qt-client/dmp_client_gui.cpp:206:3
    #1 0xb9c066 in DmpClientGui::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) /tmp/qt-client/moc_dmp_client_gui.cpp:96:17
    #2 0x7f4054be240c in QMetaObject::activate(QObject*, int, int, void**) (/usr/lib/libQt5Core.so.5+0x2b840c)
    #3 0x7f4055863711 in QAction::triggered(bool) (/usr/lib/libQt5Widgets.so.5+0x137711)
    #4 0x7f4055865d97 in QAction::activate(QAction::ActionEvent) (/usr/lib/libQt5Widgets.so.5+0x139d97)
    #5 0x7f405596646c (/usr/lib/libQt5Widgets.so.5+0x23a46c)
    #6 0x7f4055966683 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) (/usr/lib/libQt5Widgets.so.5+0x23a683)
    #7 0x7f4055a2e8c9 in QToolButton::mouseReleaseEvent(QMouseEvent*) (/usr/lib/libQt5Widgets.so.5+0x3028c9)
    #8 0x7f40558a8fa7 in QWidget::event(QEvent*) (/usr/lib/libQt5Widgets.so.5+0x17cfa7)
    #9 0x7f4055a2e9a8 in QToolButton::event(QEvent*) (/usr/lib/libQt5Widgets.so.5+0x3029a8)
    #10 0x7f405586af4b in QApplicationPrivate::notify_helper(QObject*, QEvent*) (/usr/lib/libQt5Widgets.so.5+0x13ef4b)
    #11 0x7f4055870be5 in QApplication::notify(QObject*, QEvent*) (/usr/lib/libQt5Widgets.so.5+0x144be5)
    #12 0x7f4054bb370a in QCoreApplication::notifyInternal(QObject*, QEvent*) (/usr/lib/libQt5Core.so.5+0x28970a)
    #13 0x7f405586f0d2 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) (/usr/lib/libQt5Widgets.so.5+0x1430d2)
    #14 0x7f40558c785c (/usr/lib/libQt5Widgets.so.5+0x19b85c)
    #15 0x7f40558c9c72 (/usr/lib/libQt5Widgets.so.5+0x19dc72)
    #16 0x7f405586af4b in QApplicationPrivate::notify_helper(QObject*, QEvent*) (/usr/lib/libQt5Widgets.so.5+0x13ef4b)
    #17 0x7f405587036d in QApplication::notify(QObject*, QEvent*) (/usr/lib/libQt5Widgets.so.5+0x14436d)
    #18 0x7f4054bb370a in QCoreApplication::notifyInternal(QObject*, QEvent*) (/usr/lib/libQt5Core.so.5+0x28970a)
    #19 0x7f40550dc635 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) (/usr/lib/libQt5Gui.so.5+0xe4635)
    #20 0x7f40550dde74 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) (/usr/lib/libQt5Gui.so.5+0xe5e74)
    #21 0x7f40550c358e in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (/usr/lib/libQt5Gui.so.5+0xcb58e)
    #22 0x7f404a1757ff (/usr/lib/qt/plugins/platforms/libqxcb.so+0x557ff)
    #23 0x7f4052ec4a0c in g_main_context_dispatch (/usr/lib/libglib-2.0.so.0+0x49a0c)
    #24 0x7f4052ec4cf7 (/usr/lib/libglib-2.0.so.0+0x49cf7)
    #25 0x7f4052ec4dab in g_main_context_iteration (/usr/lib/libglib-2.0.so.0+0x49dab)
    #26 0x7f4054c0b136 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (/usr/lib/libQt5Core.so.5+0x2e1136)
    #27 0x7f4054bb1131 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (/usr/lib/libQt5Core.so.5+0x287131)
    #28 0x7f4054bb8aeb in QCoreApplication::exec() (/usr/lib/libQt5Core.so.5+0x28eaeb)
    #29 0x9cd8e8 in main /tmp/../qt-client/main.cpp:78:12
    #30 0x7f40517a603f in __libc_start_main (/usr/lib/libc.so.6+0x2003f)
    #31 0x9cbf5c in _start (/home/nick/code/dmp/build-clang-Release/qt-client/qt-client+0x9cbf5c)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /tmp/../qt-client/dmp_client_gui.cpp:206 DmpClientGui::PlayPauseToggled(bool)
==29063==ABORTING
@NickNick
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After this, another bug: exception thrown "map::at"

  • Restart client, reconnect to server (don't restart the server)
  • Tunein to the 'broken' ? radio
  • Hit play/pause

@NickNick
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Maybe related stacktrace, while client was reporting error, server was shut down, but still able to press buttons. Pressing play/pause

ASAN:SIGSEGV
=================================================================
==29209==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x000000abb568 bp 0x7fff318cfb30 sp 0x7fff318cfa00 T0)
    #0 0xabb567 in DmpClientGui::PlayPauseToggled(bool) /tmp/../qt-client/dmp_client_gui.cpp:208:3
    #1 0xb9c066 in DmpClientGui::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) /tmp/qt-client/moc_dmp_client_gui.cpp:96:17
    #2 0x7fc52d4a940c in QMetaObject::activate(QObject*, int, int, void**) (/usr/lib/libQt5Core.so.5+0x2b840c)
    #3 0x7fc52e12a711 in QAction::triggered(bool) (/usr/lib/libQt5Widgets.so.5+0x137711)
    #4 0x7fc52e12cd97 in QAction::activate(QAction::ActionEvent) (/usr/lib/libQt5Widgets.so.5+0x139d97)
    #5 0x7fc52e22d46c (/usr/lib/libQt5Widgets.so.5+0x23a46c)
    #6 0x7fc52e22d683 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) (/usr/lib/libQt5Widgets.so.5+0x23a683)
    #7 0x7fc52e2f58c9 in QToolButton::mouseReleaseEvent(QMouseEvent*) (/usr/lib/libQt5Widgets.so.5+0x3028c9)
    #8 0x7fc52e16ffa7 in QWidget::event(QEvent*) (/usr/lib/libQt5Widgets.so.5+0x17cfa7)
    #9 0x7fc52e2f59a8 in QToolButton::event(QEvent*) (/usr/lib/libQt5Widgets.so.5+0x3029a8)
    #10 0x7fc52e131f4b in QApplicationPrivate::notify_helper(QObject*, QEvent*) (/usr/lib/libQt5Widgets.so.5+0x13ef4b)
    #11 0x7fc52e137be5 in QApplication::notify(QObject*, QEvent*) (/usr/lib/libQt5Widgets.so.5+0x144be5)
    #12 0x7fc52d47a70a in QCoreApplication::notifyInternal(QObject*, QEvent*) (/usr/lib/libQt5Core.so.5+0x28970a)
    #13 0x7fc52e1360d2 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) (/usr/lib/libQt5Widgets.so.5+0x1430d2)
    #14 0x7fc52e18e85c (/usr/lib/libQt5Widgets.so.5+0x19b85c)
    #15 0x7fc52e190c72 (/usr/lib/libQt5Widgets.so.5+0x19dc72)
    #16 0x7fc52e131f4b in QApplicationPrivate::notify_helper(QObject*, QEvent*) (/usr/lib/libQt5Widgets.so.5+0x13ef4b)
    #17 0x7fc52e13736d in QApplication::notify(QObject*, QEvent*) (/usr/lib/libQt5Widgets.so.5+0x14436d)
    #18 0x7fc52d47a70a in QCoreApplication::notifyInternal(QObject*, QEvent*) (/usr/lib/libQt5Core.so.5+0x28970a)
    #19 0x7fc52d9a3635 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) (/usr/lib/libQt5Gui.so.5+0xe4635)
    #20 0x7fc52d9a4e74 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) (/usr/lib/libQt5Gui.so.5+0xe5e74)
    #21 0x7fc52d98a58e in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (/usr/lib/libQt5Gui.so.5+0xcb58e)
    #22 0x7fc522a3c7ff (/usr/lib/qt/plugins/platforms/libqxcb.so+0x557ff)
    #23 0x7fc52b78ba0c in g_main_context_dispatch (/usr/lib/libglib-2.0.so.0+0x49a0c)
    #24 0x7fc52b78bcf7 (/usr/lib/libglib-2.0.so.0+0x49cf7)
    #25 0x7fc52b78bdab in g_main_context_iteration (/usr/lib/libglib-2.0.so.0+0x49dab)
    #26 0x7fc52d4d2136 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (/usr/lib/libQt5Core.so.5+0x2e1136)
    #27 0x7fc52d478131 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (/usr/lib/libQt5Core.so.5+0x287131)
    #28 0x7fc52d47faeb in QCoreApplication::exec() (/usr/lib/libQt5Core.so.5+0x28eaeb)
    #29 0x9cd8e8 in main /tmp/../qt-client/main.cpp:78:12
    #30 0x7fc52a06d03f in __libc_start_main (/usr/lib/libc.so.6+0x2003f)
    #31 0x9cbf5c in _start (/home/nick/code/dmp/build-clang-Release/qt-client/qt-client+0x9cbf5c)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /tmp/../qt-client/dmp_client_gui.cpp:208 DmpClientGui::PlayPauseToggled(bool)
==29209==ABORTING

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@NickNick