Updates:
Labels: -OS-Mac OS-All
Comment #22 on issue 20997 by [email protected]: Uninitialized param in
IPC::Channel::ChannelImpl::Send
http://code.google.com/p/chromium/issues/detail?id=20997
I can reproducibly get a very similar error on linux (64 bit debug build.)
It doesn't show up on linux 32bit debug_optimize build.
$ GTK_IM_MODULE= XIM_PROGRAM= xvfb-run -a tools/valgrind/chrome_tests.sh -t
ui --gtest_filter=ProcessSingletonLinuxTest.CheckSocketFile
...
Command: /y/chromium1/src/out64/Debug/chrome --no-first-run
--no-default-browser-check --enable-file-cookies
--testing-channel=ChromeTestingInterface:10950.1 --homepage=about:blank
--disable-web-resources --user-data-
dir=/tmp/org.chromium.SBUDr6/test_user_data --metrics-recording-only
--enable-logging --test-name=ProcessSingletonLinuxTest.CheckSocketFile
Syscall param write(buf) points to uninitialised byte(s)
0x8B5954B (/lib/libpthread-2.7.so)
IPC::Channel::ChannelImpl::ProcessOutgoingMessages()
(ipc/ipc_channel_posix.cc:806)
IPC::Channel::ChannelImpl::Send(IPC::Message*)
(ipc/ipc_channel_posix.cc:876)
IPC::Channel::Send(IPC::Message*) (ipc/ipc_channel_posix.cc:1021)
IPC::ChannelProxy::Context::OnSendMessage(IPC::Message*)
(ipc/ipc_channel_proxy.cc:156)
IPC::SendTask::Run() (ipc/ipc_channel_proxy.cc:25)
MessageLoop::RunTask(Task*) (base/message_loop.cc:320)
MessageLoop::DeferOrRunPendingTask(MessageLoop::PendingTask const&)
(base/message_loop.cc:328)
MessageLoop::DoWork() (base/message_loop.cc:435)
base::MessagePumpLibevent::Run(base::MessagePump::Delegate*)
(base/message_pump_libevent.cc:237)
MessageLoop::RunInternal() (base/message_loop.cc:205)
MessageLoop::RunHandler() (base/message_loop.cc:177)
MessageLoop::Run() (base/message_loop.cc:155)
base::Thread::Run(MessageLoop*) (base/thread.cc:133)
base::Thread::ThreadMain() (base/thread.cc:155)
ThreadFunc(void*) (base/platform_thread_posix.cc:26)
start_thread (/lib/libpthread-2.7.so)
Address 0x12311e20 is 32 bytes inside a block of size 128 alloc'd
realloc
(valgrind-10880-redzone/coregrind/m_replacemalloc/vg_replace_malloc.c:476)
realloc (base/process_util_linux.cc:567)
Pickle::Resize(unsigned long) (base/pickle.cc:392)
Pickle::BeginWrite(unsigned long) (base/pickle.cc:293)
Pickle::WriteBytes(void const*, int) (base/pickle.cc:314)
Pickle::WriteData(char const*, int) (base/pickle.cc:348)
RenderWidgetHost::ForwardInputEvent(WebKit::WebInputEvent const&, int)
(chrome/browser/renderer_host/render_widget_host.cc:508)
RenderWidgetHost::ForwardMouseEvent(WebKit::WebMouseEvent const&)
(chrome/browser/renderer_host/render_widget_host.cc:378)
RenderViewHost::ForwardMouseEvent(WebKit::WebMouseEvent const&)
(chrome/browser/renderer_host/render_view_host.cc:1646)
RenderWidgetHostViewGtkWidget::CrossingEvent(_GtkWidget*,
_GdkEventCrossing*, RenderWidgetHostViewGtk*)
(chrome/browser/renderer_host/render_widget_host_view_gtk.cc:276)
_gtk_marshal_BOOLEAN__BOXED
(uild/buildd/gtk+2.0-2.12.9/gtk/gtkmarshalers.c:84)
g_closure_invoke (mp/glib2.0.f24606/glib2.0-2.16.6/gobject/gclosure.c:490)
signal_emit_unlocked_R
(mp/glib2.0.f24606/glib2.0-2.16.6/gobject/gsignal.c:2440)
g_signal_emit_valist
(mp/glib2.0.f24606/glib2.0-2.16.6/gobject/gsignal.c:2209)
g_signal_emit (mp/glib2.0.f24606/glib2.0-2.16.6/gobject/gsignal.c:2243)
gtk_widget_event_internal
(uild/buildd/gtk+2.0-2.12.9/gtk/gtkwidget.c:4678)
gtk_main_do_event (uild/buildd/gtk+2.0-2.12.9/gtk/gtkmain.c:1564)
base::MessagePumpForUI::EventDispatcher(_GdkEvent*, void*)
(base/message_pump_glib.cc:321)
gdk_event_dispatch
(uild/buildd/gtk+2.0-2.12.9/gdk/x11/gdkevents-x11.c:2351)
g_main_context_dispatch
(mp/glib2.0.f24606/glib2.0-2.16.6/glib/gmain.c:2012)
g_main_context_iterate
(mp/glib2.0.f24606/glib2.0-2.16.6/glib/gmain.c:2645)
g_main_context_iteration
(mp/glib2.0.f24606/glib2.0-2.16.6/glib/gmain.c:2708)
base::MessagePumpForUI::RunWithDispatcher(base::MessagePump::Delegate*,
base::MessagePumpForUI::Dispatcher*) (base/message_pump_glib.cc:192)
base::MessagePumpForUI::Run(base::MessagePump::Delegate*)
(./base/message_pump_glib.h:56)
MessageLoop::RunInternal() (base/message_loop.cc:205)
MessageLoop::RunHandler() (base/message_loop.cc:177)
MessageLoopForUI::Run(base::MessagePumpForUI::Dispatcher*)
(base/message_loop.cc:605)
(anonymous namespace)::RunUIMessageLoop(BrowserProcess*)
(chrome/browser/browser_main.cc:160)
BrowserMain(MainFunctionParams const&)
(chrome/browser/browser_main.cc:899)
ChromeMain (chrome/app/chrome_dll_main.cc:643)
Suppression:
{
<insert_a_suppression_name_here>
Memcheck:Param
write(buf)
obj:/lib/libpthread-2.7.so
fun:_ZN3IPC7Channel11ChannelImpl23ProcessOutgoingMessagesEv
fun:_ZN3IPC7Channel11ChannelImpl4SendEPNS_7MessageE
fun:_ZN3IPC7Channel4SendEPNS_7MessageE
fun:_ZN3IPC12ChannelProxy7Context13OnSendMessageEPNS_7MessageE
fun:_ZN3IPC8SendTask3RunEv
fun:_ZN11MessageLoop7RunTaskEP4Task
fun:_ZN11MessageLoop21DeferOrRunPendingTaskERKNS_11PendingTaskE
fun:_ZN11MessageLoop6DoWorkEv
fun:_ZN4base19MessagePumpLibevent3RunEPNS_11MessagePump8DelegateE
fun:_ZN11MessageLoop11RunInternalEv
fun:_ZN11MessageLoop10RunHandlerEv
}
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