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[Bug 1506897] Re: Crash when deleting WebView in some circumstances

To: ubuntu-webapps-bugs@xxxxxxxxxxxxxxxxxxx
From: Chris Coulson <chris.coulson@xxxxxxxxxxxxx>
Date: Fri, 16 Oct 2015 21:36:44 -0000
Reply-to: Bug 1506897 <1506897@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
For some reason, this requires a debug build to crash

** Changed in: oxide
       Status: Triaged => Fix Released

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https://bugs.launchpad.net/bugs/1506897

Title:
  Crash when deleting WebView in some circumstances

Status in Oxide:
  Fix Released

Bug description:
  I guess this was introduced by http://bazaar.launchpad.net/~oxide-
  developers/oxide/oxide.trunk/revision/1210

  #0  0x00007ffff58c0267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
  #1  0x00007ffff58c1eca in __GI_abort () at abort.c:89
  #2  0x00007ffff61d406d in __gnu_cxx::__verbose_terminate_handler() () at /usr/lib/x86_64-linux-gnu/libstdc++.so.6
  #3  0x00007ffff61d1ee6 in  () at /usr/lib/x86_64-linux-gnu/libstdc++.so.6
  #4  0x00007ffff61d1f31 in  () at /usr/lib/x86_64-linux-gnu/libstdc++.so.6
  #5  0x00007ffff61d2a7f in  () at /usr/lib/x86_64-linux-gnu/libstdc++.so.6
  #6  0x00007fffb8d35c40 in oxide::qt::WebView::FrameDeleted(oxide::WebFrame*) (this=0x5555564e0fd0, frame=0x5555589886d0)
      at ../../../../qt/core/browser/oxide_qt_web_view.cc:1091
  #7  0x00007fffb8de5803 in oxide::WebFrameTree::WebFrameRemoved(oxide::WebFrame*) (this=0x555558988650, frame=0x5555589886d0)
      at ../../../../shared/browser/oxide_web_frame_tree.cc:36
  #8  0x00007fffb8dde7c0 in oxide::WebFrame::~WebFrame() (this=0x5555589886d0, __in_chrg=<optimised out>) at ../../../../shared/browser/oxide_web_frame.cc:102
  #9  0x00007fffb8dde942 in oxide::WebFrame::~WebFrame() (this=0x5555589886d0, __in_chrg=<optimised out>) at ../../../../shared/browser/oxide_web_frame.cc:120
  #10 0x00007fffb8ce8e9a in base::DefaultDeleter<oxide::MessagePump>::operator()(oxide::MessagePump*) const (this=0x5555589886b8, ptr=0x5555589886d0)
      at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:128
  #11 0x00007fffb8de77c3 in base::internal::scoped_ptr_impl<oxide::WebFrame, base::DefaultDeleter<oxide::WebFrame> >::reset(oxide::WebFrame*) (this=0x5555589886b8, p=0x0)
      at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:238
  #12 0x00007fffb8de6a3f in scoped_ptr<oxide::WebFrame, base::DefaultDeleter<oxide::WebFrame> >::reset(oxide::WebFrame*) (this=0x5555589886b8, p=0x0)
      at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:366
  #13 0x00007fffb8de5f3e in oxide::WebFrameTree::FrameDeleted(content::RenderFrameHost*) (this=0x555558988650, render_frame_host=0x555558971920)
      at ../../../../shared/browser/oxide_web_frame_tree.cc:102
  #14 0x00007fffb998b249 in content::WebContentsImpl::~WebContentsImpl() (this=0x55555896a1f0, __in_chrg=<optimised out>)
      at ../../../../third_party/chromium/src/content/browser/web_contents/web_contents_impl.cc:489
  #15 0x00007fffb998b94e in content::WebContentsImpl::~WebContentsImpl() (this=0x55555896a1f0, __in_chrg=<optimised out>)
      at ../../../../third_party/chromium/src/content/browser/web_contents/web_contents_impl.cc:514
  #16 0x00007fffb8ce8e9a in base::DefaultDeleter<oxide::MessagePump>::operator()(oxide::MessagePump*) const (this=0x7fffffffcc60, ptr=0x55555896a1f0)
      at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:128
  #17 0x00007fffb8ce8b2c in base::internal::scoped_ptr_impl<oxide::MessagePump, base::DefaultDeleter<oxide::MessagePump> >::~scoped_ptr_impl() (this=0x7fffffffcc60, __in_chrg=<optimised out>) at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:222
  #18 0x00007fffb8d39bfa in scoped_ptr<content::WebContents, base::DefaultDeleter<content::WebContents> >::~scoped_ptr() (this=0x7fffffffcc60, __in_chrg=<optimised out>)
      at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:301
  #19 0x00007fffb8df1e87 in oxide::WebView::WebContentsDeleter::operator()(content::WebContents*) (this=0x555558968b88, contents=0x55555896a1f0)
      at ../../../../shared/browser/oxide_web_view.cc:186
  #20 0x00007fffb8dfba98 in base::internal::scoped_ptr_impl<content::WebContents, oxide::WebView::WebContentsDeleter>::~scoped_ptr_impl() (this=0x555558968b88, __in_chrg=<optimised out>) at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:222
  #21 0x00007fffb8dfa59a in scoped_ptr<content::WebContents, oxide::WebView::WebContentsDeleter>::~scoped_ptr() (this=0x555558968b88, __in_chrg=<optimised out>)
      at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:301
  #22 0x00007fffb8df73bb in oxide::WebView::~WebView() (this=0x555558968ac0, __in_chrg=<optimised out>) at ../../../../shared/browser/oxide_web_view.cc:1140
  #23 0x00007fffb8df74c6 in oxide::WebView::~WebView() (this=0x555558968ac0, __in_chrg=<optimised out>) at ../../../../shared/browser/oxide_web_view.cc:1156
  #24 0x00007fffb8ce8e9a in base::DefaultDeleter<oxide::MessagePump>::operator()(oxide::MessagePump*) const (this=0x5555564e1010, ptr=0x555558968ac0)
      at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:128
  #25 0x00007fffb8ce8b2c in base::internal::scoped_ptr_impl<oxide::MessagePump, base::DefaultDeleter<oxide::MessagePump> >::~scoped_ptr_impl() (this=0x5555564e1010, __in_chrg=<optimised out>) at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:222
  #26 0x00007fffb8d39a60 in scoped_ptr<oxide::WebView, base::DefaultDeleter<oxide::WebView> >::~scoped_ptr() (this=0x5555564e1010, __in_chrg=<optimised out>)
      at ../../../../third_party/chromium/src/base/memory/scoped_ptr.h:301
  #27 0x00007fffb8d38939 in oxide::qt::WebView::~WebView() (this=0x5555564e0fd0, __in_chrg=<optimised out>) at ../../../../qt/core/browser/oxide_qt_web_view.cc:1660
  #28 0x00007fffb8d389d8 in oxide::qt::WebView::~WebView() (this=0x5555564e0fd0, __in_chrg=<optimised out>) at ../../../../qt/core/browser/oxide_qt_web_view.cc:1668
  #29 0x00007fffd8088bea in QScopedPointerDeleter<oxide::qt::WebViewProxy>::cleanup(oxide::qt::WebViewProxy*) (pointer=0x5555564e1000)
      at /usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:54
  #30 0x00007fffd80886bb in QScopedPointer<oxide::qt::WebViewProxy, QScopedPointerDeleter<oxide::qt::WebViewProxy> >::~QScopedPointer() (this=0x5555581d3cd8, __in_chrg=<optimised out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:101
  #31 0x00007fffd8087ad8 in oxide::qt::ProxyHandle<oxide::qt::WebViewProxy>::~ProxyHandle() (this=0x5555581d3cd0, __in_chrg=<optimised out>)
      at /home/chr1s/src/oxide/refactor-webview-rwhv-interaction/qt/core/glue/oxide_qt_proxy_handle.h:35
  #32 0x00007fffd807fdde in OxideQQuickWebViewPrivate::~OxideQQuickWebViewPrivate() (this=0x5555581d3cd0, __in_chrg=<optimised out>)
      at /home/chr1s/src/oxide/refactor-webview-rwhv-interaction/qt/quick/api/oxideqquickwebview.cc:902
  #33 0x00007fffd807fe16 in OxideQQuickWebViewPrivate::~OxideQQuickWebViewPrivate() (this=0x5555581d3cd0, __in_chrg=<optimised out>)
      at /home/chr1s/src/oxide/refactor-webview-rwhv-interaction/qt/quick/api/oxideqquickwebview.cc:902
  #34 0x00007fffd80889dc in QScopedPointerDeleter<OxideQQuickWebViewPrivate>::cleanup(OxideQQuickWebViewPrivate*) (pointer=0x5555581d3cd0)
      at /usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:54
  #35 0x00007fffd8088149 in QScopedPointer<OxideQQuickWebViewPrivate, QScopedPointerDeleter<OxideQQuickWebViewPrivate> >::~QScopedPointer() (this=0x5555581d3b70, __in_chrg=<optimised out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qscopedpointer.h:101
  #36 0x00007fffd8081c71 in OxideQQuickWebView::~OxideQQuickWebView() (this=0x5555581d3b50, __in_chrg=<optimised out>)
      at /home/chr1s/src/oxide/refactor-webview-rwhv-interaction/qt/quick/api/oxideqquickwebview.cc:1385
  #37 0x00007fffd811fd0e in QQmlPrivate::QQmlElement<OxideQQuickWebView>::~QQmlElement() (this=0x5555581d3b50, __in_chrg=<optimised out>)
      at /usr/include/x86_64-linux-gnu/qt5/QtQml/qqmlprivate.h:98
  #38 0x00007fffd811fd46 in QQmlPrivate::QQmlElement<OxideQQuickWebView>::~QQmlElement() (this=0x5555581d3b50, __in_chrg=<optimised out>)
      at /usr/include/x86_64-linux-gnu/qt5/QtQml/qqmlprivate.h:98
  #39 0x00007ffff7ba718c in QObjectPrivate::deleteChildren() (this=this@entry=0x5555580e7b90) at kernel/qobject.cpp:1950
  #40 0x00007ffff7bb17f3 in QObject::~QObject() (this=<optimised out>, __in_chrg=<optimised out>) at kernel/qobject.cpp:1030
  #41 0x00007ffff720b866 in QQuickItem::~QQuickItem() (this=0x5555580e8590, __in_chrg=<optimised out>) at items/qquickitem.cpp:2225
  #42 0x00007ffff7225206 in QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement() (this=0x5555580e8590, __in_chrg=<optimised out>)
      at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
  #43 0x00007ffff7225206 in QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement() (this=0x5555580e8590, __in_chrg=<optimised out>)
      at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
  #44 0x00007ffff7ba718c in QObjectPrivate::deleteChildren() (this=this@entry=0x5555580da380) at kernel/qobject.cpp:1950
  #45 0x00007ffff7bb17f3 in QObject::~QObject() (this=<optimised out>, __in_chrg=<optimised out>) at kernel/qobject.cpp:1030
  #46 0x00007ffff720b866 in QQuickItem::~QQuickItem() (this=0x555556547c10, __in_chrg=<optimised out>) at items/qquickitem.cpp:2225
  #47 0x00007ffff7225206 in QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement() (this=0x555556547c10, __in_chrg=<optimised out>)
      at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
  #48 0x00007ffff7225206 in QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement() (this=0x555556547c10, __in_chrg=<optimised out>)
      at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
  #49 0x00007ffff7ba718c in QObjectPrivate::deleteChildren() (this=this@entry=0x5555564731d0) at kernel/qobject.cpp:1950
  #50 0x00007ffff7bb17f3 in QObject::~QObject() (this=<optimised out>, __in_chrg=<optimised out>) at kernel/qobject.cpp:1030
  #51 0x00007ffff720b866 in QQuickItem::~QQuickItem() (this=0x55555646fd10, __in_chrg=<optimised out>) at items/qquickitem.cpp:2225
  #52 0x00007ffff7225206 in QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement() (this=0x55555646fd10, __in_chrg=<optimised out>)
      at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
  #53 0x00007ffff7225206 in QQmlPrivate::QQmlElement<QQuickFocusScope>::~QQmlElement() (this=0x55555646fd10, __in_chrg=<optimised out>)
      at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
  #54 0x00007ffff7ba718c in QObjectPrivate::deleteChildren() (this=this@entry=0x55555644f6d0) at kernel/qobject.cpp:1950
  #55 0x00007ffff7bb17f3 in QObject::~QObject() (this=<optimised out>, __in_chrg=<optimised out>) at kernel/qobject.cpp:1030
  #56 0x00007ffff720b866 in QQuickItem::~QQuickItem() (this=0x55555644e1e0, __in_chrg=<optimised out>) at items/qquickitem.cpp:2225
  #57 0x00007ffff72257c6 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55555644e1e0, __in_chrg=<optimised out>)
      at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
  #58 0x00007ffff72257c6 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55555644e1e0, __in_chrg=<optimised out>)
      at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
  #59 0x00007ffff7ba718c in QObjectPrivate::deleteChildren() (this=this@entry=0x55555640da00) at kernel/qobject.cpp:1950
  #60 0x00007ffff7bb17f3 in QObject::~QObject() (this=<optimised out>, __in_chrg=<optimised out>) at kernel/qobject.cpp:1030
  #61 0x00007ffff720b866 in QQuickItem::~QQuickItem() (this=0x55555640d9d0, __in_chrg=<optimised out>) at items/qquickitem.cpp:2225
  #62 0x00007ffff72257c6 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55555640d9d0, __in_chrg=<optimised out>)
      at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
  #63 0x00007ffff72257c6 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() (this=0x55555640d9d0, __in_chrg=<optimised out>)
      at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
  #64 0x00007ffff7ba718c in QObjectPrivate::deleteChildren() (this=this@entry=0x5555563e9890) at kernel/qobject.cpp:1950
  #65 0x00007ffff7bb17f3 in QObject::~QObject() (this=<optimised out>, __in_chrg=<optimised out>) at kernel/qobject.cpp:1030
  #66 0x00007ffff7217409 in QQuickWindow::~QQuickWindow() (this=0x5555563e7300, __in_chrg=<optimised out>) at items/qquickwindow.cpp:1100
  #67 0x00007ffff72f9be3 in QQmlPrivate::QQmlElement<QQuickWindowQmlImpl>::~QQmlElement() (this=0x5555563e7300, __in_chrg=<optimised out>) at items/qquickwindowmodule.cpp:48
  #68 0x00007ffff72f9be3 in QQmlPrivate::QQmlElement<QQuickWindowQmlImpl>::~QQmlElement() (this=0x5555563e7300, __in_chrg=<optimised out>)
      at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
  #69 0x00007ffff72f9be3 in QQmlPrivate::QQmlElement<QQuickWindowQmlImpl>::~QQmlElement() (this=0x5555563e7300, __in_chrg=<optimised out>)
      at ../../include/QtQml/../../src/qml/qml/qqmlprivate.h:98
  #70 0x00005555555908f1 in BrowserApplication::~BrowserApplication() ()
  #71 0x00005555555864db in main ()

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References

[Bug 1506897] [NEW] Crash when deleting WebView in some circumstances
From: Chris Coulson, 2015-10-16