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Issue 695527 link

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Issue metadata

Status: WontFix
Owner: ----
Closed: Feb 2017
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 3
Type: Bug



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msan failures in content_unittests: content::SyntheticWebTouchEvent

Project Member Reported by mbjorge@chromium.org, Feb 23 2017

Issue description

[ RUN      ] RenderWidgetHostViewAuraOverscrollTest.OverscrollWithTouchEvents
Uninitialized bytes in __msan_check_mem_is_initialized at offset 140 inside [0x7ffc84ddcb88, 1200)
==12570==WARNING: MemorySanitizer: use-of-uninitialized-value
    #0 0xd97e4b0 in WriteBytesCommon base/pickle.cc:477:3
    #1 0xd97e4b0 in WriteBytes base/pickle.cc:350
    #2 0xd97e4b0 in base::Pickle::WriteData(char const*, int) base/pickle.cc:346
    #3 0x58b3170 in WriteParam<const blink::WebInputEvent *> ipc/ipc_message_utils.h:104:3
    #4 0x58b3170 in IPC::ParamTraits<std::__1::tuple<blink::WebInputEvent const* const&, std::__1::vector<blink::WebInputEvent const*, std::__1::allocator<blink::WebInputEvent const*> > const&, ui::LatencyInfo const&, content::InputEventDispatchType const&> >::Write(base::Pickle*, std::__1::tuple<blink::WebInputEvent const* const&, std::__1::vector<blink::WebInputEvent const*, std::__1::allocator<blink::WebInputEvent const*> > const&, ui::LatencyInfo const&, content::InputEventDispatchType const&> const&) ipc/ipc_message_utils.h:796
    #5 0x581afba in WriteParam<std::__1::tuple<const blink::WebInputEvent *const &, const std::__1::vector<const blink::WebInputEvent *, std::__1::allocator<const blink::WebInputEvent *> > &, const ui::LatencyInfo &, const content::InputEventDispatchType &> > ipc/ipc_message_utils.h:104:3
    #6 0x581afba in IPC::MessageT<InputMsg_HandleInputEvent_Meta, std::__1::tuple<blink::WebInputEvent const*, std::__1::vector<blink::WebInputEvent const*, std::__1::allocator<blink::WebInputEvent const*> >, ui::LatencyInfo, content::InputEventDispatchType>, void>::MessageT(IPC::Routing, blink::WebInputEvent const* const&, std::__1::vector<blink::WebInputEvent const*, std::__1::allocator<blink::WebInputEvent const*> > const&, ui::LatencyInfo const&, content::InputEventDispatchType const&) ipc/ipc_message_templates_impl.h:29
    #7 0xa259415 in MessageT<true, false> ipc/ipc_message_templates.h:105:9
    #8 0xa259415 in content::InputRouterImpl::OfferToRenderer(blink::WebInputEvent const&, ui::LatencyInfo const&, content::InputEventDispatchType) content/browser/renderer_host/input/input_router_impl.cc:434
    #9 0xa258f7b in content::InputRouterImpl::OfferToHandlers(blink::WebInputEvent const&, ui::LatencyInfo const&) content/browser/renderer_host/input/input_router_impl.cc:376:3
    #10 0xa24ef23 in content::InputRouterImpl::FilterAndSendWebInputEvent(blink::WebInputEvent const&, ui::LatencyInfo const&) content/browser/renderer_host/input/input_router_impl.cc:365:3
    #11 0xa26e28d in content::LegacyTouchEventQueue::SendTouchEventImmediately(content::EventWithLatencyInfo<blink::WebTouchEvent>*) content/browser/renderer_host/input/legacy_touch_event_queue.cc:762:12
    #12 0xa269fd9 in content::LegacyTouchEventQueue::ForwardNextEventToRenderer() content/browser/renderer_host/input/legacy_touch_event_queue.cc:583:3
    #13 0xa267603 in content::LegacyTouchEventQueue::QueueEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&) content/browser/renderer_host/input/legacy_touch_event_queue.cc:405:5
    #14 0xa2500c3 in content::InputRouterImpl::SendTouchEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&) content/browser/renderer_host/input/input_router_impl.cc:192:23
    #15 0xa46d69b in content::RenderWidgetHostImpl::ForwardTouchEventWithLatencyInfo(blink::WebTouchEvent const&, ui::LatencyInfo const&) content/browser/renderer_host/render_widget_host_impl.cc:1166:18
    #16 0x3c18998 in content::(anonymous namespace)::MockRenderWidgetHostImpl::ForwardTouchEventWithLatencyInfo(blink::WebTouchEvent const&, ui::LatencyInfo const&) content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:515:27
    #17 0x3b90848 in SendTouchEvent content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:969:19
    #18 0x3b90848 in content::RenderWidgetHostViewAuraOverscrollTest_OverscrollWithTouchEvents_Test::TestBody() content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:3606
    #19 0xd2448ce in HandleExceptionsInMethodIfSupported<testing::Test, void> testing/gtest/src/gtest.cc:2458:12
    #20 0xd2448ce in testing::Test::Run() testing/gtest/src/gtest.cc:2474
    #21 0xd2476cf in testing::TestInfo::Run() testing/gtest/src/gtest.cc:2656:11
    #22 0xd248c49 in testing::TestCase::Run() testing/gtest/src/gtest.cc:2774:28
    #23 0xd26903d in testing::internal::UnitTestImpl::RunAllTests() testing/gtest/src/gtest.cc:4647:43
    #24 0xd267ebe in HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> testing/gtest/src/gtest.cc:2458:12
    #25 0xd267ebe in testing::UnitTest::Run() testing/gtest/src/gtest.cc:4255
    #26 0xb2e1360 in RUN_ALL_TESTS testing/gtest/include/gtest/gtest.h:2237:46
    #27 0xb2e1360 in base::TestSuite::Run() base/test/test_suite.cc:271
    #28 0xb303bde in Run base/callback.h:85:12
    #29 0xb303bde in base::(anonymous namespace)::LaunchUnitTestsInternal(base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&, int, int, bool, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:211
    #30 0xb30342d in base::LaunchUnitTests(int, char**, base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:453:10
    #31 0x5012c58 in main content/test/run_all_unittests.cc:20:10
    #32 0x7f290b50ff44 in __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:287
    #33 0x6a2588 in _start (content_unittests+0x6a2588)

  Uninitialized value was stored to memory at
    #0 0x6c24d4 in __msan_memcpy (content_unittests+0x6c24d4)
    #1 0xa2692d2 in EventWithLatencyInfo content/common/input/event_with_latency_info.h:21:7
    #2 0xa2692d2 in content::LegacyTouchEventQueue::ForwardNextEventToRenderer() content/browser/renderer_host/input/legacy_touch_event_queue.cc:522
    #3 0xa267603 in content::LegacyTouchEventQueue::QueueEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&) content/browser/renderer_host/input/legacy_touch_event_queue.cc:405:5
    #4 0xa2500c3 in content::InputRouterImpl::SendTouchEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&) content/browser/renderer_host/input/input_router_impl.cc:192:23
    #5 0xa46d69b in content::RenderWidgetHostImpl::ForwardTouchEventWithLatencyInfo(blink::WebTouchEvent const&, ui::LatencyInfo const&) content/browser/renderer_host/render_widget_host_impl.cc:1166:18
    #6 0x3c18998 in content::(anonymous namespace)::MockRenderWidgetHostImpl::ForwardTouchEventWithLatencyInfo(blink::WebTouchEvent const&, ui::LatencyInfo const&) content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:515:27
    #7 0x3b90848 in SendTouchEvent content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:969:19
    #8 0x3b90848 in content::RenderWidgetHostViewAuraOverscrollTest_OverscrollWithTouchEvents_Test::TestBody() content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:3606
    #9 0xd2448ce in HandleExceptionsInMethodIfSupported<testing::Test, void> testing/gtest/src/gtest.cc:2458:12
    #10 0xd2448ce in testing::Test::Run() testing/gtest/src/gtest.cc:2474
    #11 0xd2476cf in testing::TestInfo::Run() testing/gtest/src/gtest.cc:2656:11
    #12 0xd248c49 in testing::TestCase::Run() testing/gtest/src/gtest.cc:2774:28
    #13 0xd26903d in testing::internal::UnitTestImpl::RunAllTests() testing/gtest/src/gtest.cc:4647:43
    #14 0xd267ebe in HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> testing/gtest/src/gtest.cc:2458:12
    #15 0xd267ebe in testing::UnitTest::Run() testing/gtest/src/gtest.cc:4255
    #16 0xb2e1360 in RUN_ALL_TESTS testing/gtest/include/gtest/gtest.h:2237:46
    #17 0xb2e1360 in base::TestSuite::Run() base/test/test_suite.cc:271
    #18 0xb303bde in Run base/callback.h:85:12
    #19 0xb303bde in base::(anonymous namespace)::LaunchUnitTestsInternal(base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&, int, int, bool, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:211
    #20 0xb30342d in base::LaunchUnitTests(int, char**, base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:453:10
    #21 0x5012c58 in main content/test/run_all_unittests.cc:20:10
    #22 0x7f290b50ff44 in __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:287

  Uninitialized value was stored to memory at
    #0 0x6c24d4 in __msan_memcpy (content_unittests+0x6c24d4)
    #1 0xa2726cf in EventWithLatencyInfo content/common/input/event_with_latency_info.h:21:7
    #2 0xa2726cf in content::CoalescedWebTouchEvent::CoalescedWebTouchEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&, bool) content/browser/renderer_host/input/legacy_touch_event_queue.cc:287
    #3 0xa267516 in MakeUnique<content::CoalescedWebTouchEvent, const content::EventWithLatencyInfo<blink::WebTouchEvent> &, bool> base/memory/ptr_util.h:56:33
    #4 0xa267516 in content::LegacyTouchEventQueue::QueueEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&) content/browser/renderer_host/input/legacy_touch_event_queue.cc:404
    #5 0xa2500c3 in content::InputRouterImpl::SendTouchEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&) content/browser/renderer_host/input/input_router_impl.cc:192:23
    #6 0xa46d69b in content::RenderWidgetHostImpl::ForwardTouchEventWithLatencyInfo(blink::WebTouchEvent const&, ui::LatencyInfo const&) content/browser/renderer_host/render_widget_host_impl.cc:1166:18
    #7 0x3c18998 in content::(anonymous namespace)::MockRenderWidgetHostImpl::ForwardTouchEventWithLatencyInfo(blink::WebTouchEvent const&, ui::LatencyInfo const&) content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:515:27
    #8 0x3b90848 in SendTouchEvent content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:969:19
    #9 0x3b90848 in content::RenderWidgetHostViewAuraOverscrollTest_OverscrollWithTouchEvents_Test::TestBody() content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:3606
    #10 0xd2448ce in HandleExceptionsInMethodIfSupported<testing::Test, void> testing/gtest/src/gtest.cc:2458:12
    #11 0xd2448ce in testing::Test::Run() testing/gtest/src/gtest.cc:2474
    #12 0xd2476cf in testing::TestInfo::Run() testing/gtest/src/gtest.cc:2656:11
    #13 0xd248c49 in testing::TestCase::Run() testing/gtest/src/gtest.cc:2774:28
    #14 0xd26903d in testing::internal::UnitTestImpl::RunAllTests() testing/gtest/src/gtest.cc:4647:43
    #15 0xd267ebe in HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> testing/gtest/src/gtest.cc:2458:12
    #16 0xd267ebe in testing::UnitTest::Run() testing/gtest/src/gtest.cc:4255
    #17 0xb2e1360 in RUN_ALL_TESTS testing/gtest/include/gtest/gtest.h:2237:46
    #18 0xb2e1360 in base::TestSuite::Run() base/test/test_suite.cc:271
    #19 0xb303bde in Run base/callback.h:85:12
    #20 0xb303bde in base::(anonymous namespace)::LaunchUnitTestsInternal(base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&, int, int, bool, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:211
    #21 0xb30342d in base::LaunchUnitTests(int, char**, base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:453:10
    #22 0x5012c58 in main content/test/run_all_unittests.cc:20:10
    #23 0x7f290b50ff44 in __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:287

  Uninitialized value was stored to memory at
    #0 0x6c24d4 in __msan_memcpy (content_unittests+0x6c24d4)
    #1 0xa24ffd6 in EventWithLatencyInfo content/common/input/event_with_latency_info.h:21:7
    #2 0xa24ffd6 in content::InputRouterImpl::SendTouchEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&) content/browser/renderer_host/input/input_router_impl.cc:189
    #3 0xa46d69b in content::RenderWidgetHostImpl::ForwardTouchEventWithLatencyInfo(blink::WebTouchEvent const&, ui::LatencyInfo const&) content/browser/renderer_host/render_widget_host_impl.cc:1166:18
    #4 0x3c18998 in content::(anonymous namespace)::MockRenderWidgetHostImpl::ForwardTouchEventWithLatencyInfo(blink::WebTouchEvent const&, ui::LatencyInfo const&) content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:515:27
    #5 0x3b90848 in SendTouchEvent content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:969:19
    #6 0x3b90848 in content::RenderWidgetHostViewAuraOverscrollTest_OverscrollWithTouchEvents_Test::TestBody() content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:3606
    #7 0xd2448ce in HandleExceptionsInMethodIfSupported<testing::Test, void> testing/gtest/src/gtest.cc:2458:12
    #8 0xd2448ce in testing::Test::Run() testing/gtest/src/gtest.cc:2474
    #9 0xd2476cf in testing::TestInfo::Run() testing/gtest/src/gtest.cc:2656:11
    #10 0xd248c49 in testing::TestCase::Run() testing/gtest/src/gtest.cc:2774:28
    #11 0xd26903d in testing::internal::UnitTestImpl::RunAllTests() testing/gtest/src/gtest.cc:4647:43
    #12 0xd267ebe in HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> testing/gtest/src/gtest.cc:2458:12
    #13 0xd267ebe in testing::UnitTest::Run() testing/gtest/src/gtest.cc:4255
    #14 0xb2e1360 in RUN_ALL_TESTS testing/gtest/include/gtest/gtest.h:2237:46
    #15 0xb2e1360 in base::TestSuite::Run() base/test/test_suite.cc:271
    #16 0xb303bde in Run base/callback.h:85:12
    #17 0xb303bde in base::(anonymous namespace)::LaunchUnitTestsInternal(base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&, int, int, bool, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:211
    #18 0xb30342d in base::LaunchUnitTests(int, char**, base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:453:10
    #19 0x5012c58 in main content/test/run_all_unittests.cc:20:10
    #20 0x7f290b50ff44 in __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:287

  Uninitialized value was stored to memory at
    #0 0x6c24d4 in __msan_memcpy (content_unittests+0x6c24d4)
    #1 0xa46d417 in EventWithLatencyInfo content/common/input/event_with_latency_info.h:29:9
    #2 0xa46d417 in content::RenderWidgetHostImpl::ForwardTouchEventWithLatencyInfo(blink::WebTouchEvent const&, ui::LatencyInfo const&) content/browser/renderer_host/render_widget_host_impl.cc:1155
    #3 0x3c18998 in content::(anonymous namespace)::MockRenderWidgetHostImpl::ForwardTouchEventWithLatencyInfo(blink::WebTouchEvent const&, ui::LatencyInfo const&) content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:515:27
    #4 0x3b90848 in SendTouchEvent content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:969:19
    #5 0x3b90848 in content::RenderWidgetHostViewAuraOverscrollTest_OverscrollWithTouchEvents_Test::TestBody() content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:3606
    #6 0xd2448ce in HandleExceptionsInMethodIfSupported<testing::Test, void> testing/gtest/src/gtest.cc:2458:12
    #7 0xd2448ce in testing::Test::Run() testing/gtest/src/gtest.cc:2474
    #8 0xd2476cf in testing::TestInfo::Run() testing/gtest/src/gtest.cc:2656:11
    #9 0xd248c49 in testing::TestCase::Run() testing/gtest/src/gtest.cc:2774:28
    #10 0xd26903d in testing::internal::UnitTestImpl::RunAllTests() testing/gtest/src/gtest.cc:4647:43
    #11 0xd267ebe in HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> testing/gtest/src/gtest.cc:2458:12
    #12 0xd267ebe in testing::UnitTest::Run() testing/gtest/src/gtest.cc:4255
    #13 0xb2e1360 in RUN_ALL_TESTS testing/gtest/include/gtest/gtest.h:2237:46
    #14 0xb2e1360 in base::TestSuite::Run() base/test/test_suite.cc:271
    #15 0xb303bde in Run base/callback.h:85:12
    #16 0xb303bde in base::(anonymous namespace)::LaunchUnitTestsInternal(base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&, int, int, bool, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:211
    #17 0xb30342d in base::LaunchUnitTests(int, char**, base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:453:10
    #18 0x5012c58 in main content/test/run_all_unittests.cc:20:10
    #19 0x7f290b50ff44 in __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:287

  Uninitialized value was stored to memory at
    #0 0x6c24d4 in __msan_memcpy (content_unittests+0x6c24d4)
    #1 0x5928043 in content::SyntheticWebTouchEvent::ResetPoints() content/common/input/synthetic_web_input_event_builders.cc:182:20
    #2 0x3b9025b in SendTouchEvent content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:971:18
    #3 0x3b9025b in content::RenderWidgetHostViewAuraOverscrollTest_OverscrollWithTouchEvents_Test::TestBody() content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:3602
    #4 0xd2448ce in HandleExceptionsInMethodIfSupported<testing::Test, void> testing/gtest/src/gtest.cc:2458:12
    #5 0xd2448ce in testing::Test::Run() testing/gtest/src/gtest.cc:2474
    #6 0xd2476cf in testing::TestInfo::Run() testing/gtest/src/gtest.cc:2656:11
    #7 0xd248c49 in testing::TestCase::Run() testing/gtest/src/gtest.cc:2774:28
    #8 0xd26903d in testing::internal::UnitTestImpl::RunAllTests() testing/gtest/src/gtest.cc:4647:43
    #9 0xd267ebe in HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> testing/gtest/src/gtest.cc:2458:12
    #10 0xd267ebe in testing::UnitTest::Run() testing/gtest/src/gtest.cc:4255
    #11 0xb2e1360 in RUN_ALL_TESTS testing/gtest/include/gtest/gtest.h:2237:46
    #12 0xb2e1360 in base::TestSuite::Run() base/test/test_suite.cc:271
    #13 0xb303bde in Run base/callback.h:85:12
    #14 0xb303bde in base::(anonymous namespace)::LaunchUnitTestsInternal(base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&, int, int, bool, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:211
    #15 0xb30342d in base::LaunchUnitTests(int, char**, base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:453:10
    #16 0x5012c58 in main content/test/run_all_unittests.cc:20:10
    #17 0x7f290b50ff44 in __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:287

  Uninitialized value was created by an allocation of 'ref.tmp.sroa.6' in the stack frame of function '_ZN7content22SyntheticWebTouchEvent11ResetPointsEv'
    #0 0x5927ea0 in content::SyntheticWebTouchEvent::ResetPoints() content/common/input/synthetic_web_input_event_builders.cc:170

SUMMARY: MemorySanitizer: use-of-uninitialized-value base/pickle.cc:477:3 in WriteBytesCommon
Exiting
[4734/4735] RenderWidgetHostViewAuraOverscrollTest.OverscrollWithTouchEvents (CRASHED)
[ RUN      ] InputRouterImplScaleTouchEventTest.ScaleTouchEventTest
Uninitialized bytes in __msan_check_mem_is_initialized at offset 140 inside [0x719000002300, 1200)
==12578==WARNING: MemorySanitizer: use-of-uninitialized-value
    #0 0xd97e4b0 in WriteBytesCommon base/pickle.cc:477:3
    #1 0xd97e4b0 in WriteBytes base/pickle.cc:350
    #2 0xd97e4b0 in base::Pickle::WriteData(char const*, int) base/pickle.cc:346
    #3 0x58b3170 in WriteParam<const blink::WebInputEvent *> ipc/ipc_message_utils.h:104:3
    #4 0x58b3170 in IPC::ParamTraits<std::__1::tuple<blink::WebInputEvent const* const&, std::__1::vector<blink::WebInputEvent const*, std::__1::allocator<blink::WebInputEvent const*> > const&, ui::LatencyInfo const&, content::InputEventDispatchType const&> >::Write(base::Pickle*, std::__1::tuple<blink::WebInputEvent const* const&, std::__1::vector<blink::WebInputEvent const*, std::__1::allocator<blink::WebInputEvent const*> > const&, ui::LatencyInfo const&, content::InputEventDispatchType const&> const&) ipc/ipc_message_utils.h:796
    #5 0x581afba in WriteParam<std::__1::tuple<const blink::WebInputEvent *const &, const std::__1::vector<const blink::WebInputEvent *, std::__1::allocator<const blink::WebInputEvent *> > &, const ui::LatencyInfo &, const content::InputEventDispatchType &> > ipc/ipc_message_utils.h:104:3
    #6 0x581afba in IPC::MessageT<InputMsg_HandleInputEvent_Meta, std::__1::tuple<blink::WebInputEvent const*, std::__1::vector<blink::WebInputEvent const*, std::__1::allocator<blink::WebInputEvent const*> >, ui::LatencyInfo, content::InputEventDispatchType>, void>::MessageT(IPC::Routing, blink::WebInputEvent const* const&, std::__1::vector<blink::WebInputEvent const*, std::__1::allocator<blink::WebInputEvent const*> > const&, ui::LatencyInfo const&, content::InputEventDispatchType const&) ipc/ipc_message_templates_impl.h:29
    #7 0xa259415 in MessageT<true, false> ipc/ipc_message_templates.h:105:9
    #8 0xa259415 in content::InputRouterImpl::OfferToRenderer(blink::WebInputEvent const&, ui::LatencyInfo const&, content::InputEventDispatchType) content/browser/renderer_host/input/input_router_impl.cc:434
    #9 0xa258f7b in content::InputRouterImpl::OfferToHandlers(blink::WebInputEvent const&, ui::LatencyInfo const&) content/browser/renderer_host/input/input_router_impl.cc:376:3
    #10 0xa24ef23 in content::InputRouterImpl::FilterAndSendWebInputEvent(blink::WebInputEvent const&, ui::LatencyInfo const&) content/browser/renderer_host/input/input_router_impl.cc:365:3
    #11 0xa26e28d in content::LegacyTouchEventQueue::SendTouchEventImmediately(content::EventWithLatencyInfo<blink::WebTouchEvent>*) content/browser/renderer_host/input/legacy_touch_event_queue.cc:762:12
    #12 0xa269fd9 in content::LegacyTouchEventQueue::ForwardNextEventToRenderer() content/browser/renderer_host/input/legacy_touch_event_queue.cc:583:3
    #13 0xa267603 in content::LegacyTouchEventQueue::QueueEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&) content/browser/renderer_host/input/legacy_touch_event_queue.cc:405:5
    #14 0xa2500c3 in content::InputRouterImpl::SendTouchEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&) content/browser/renderer_host/input/input_router_impl.cc:192:23
    #15 0x31e58c9 in SendTouchEvent content/browser/renderer_host/input/input_router_impl_unittest.cc:265:20
    #16 0x31e58c9 in content::(anonymous namespace)::InputRouterImplScaleTouchEventTest::ReleaseTouchPointAndAck(int) content/browser/renderer_host/input/input_router_impl_unittest.cc:2010
    #17 0x31d8478 in content::InputRouterImplScaleTouchEventTest_ScaleTouchEventTest_Test::TestBody() content/browser/renderer_host/input/input_router_impl_unittest.cc:2029:3
    #18 0xd2448ce in HandleExceptionsInMethodIfSupported<testing::Test, void> testing/gtest/src/gtest.cc:2458:12
    #19 0xd2448ce in testing::Test::Run() testing/gtest/src/gtest.cc:2474
    #20 0xd2476cf in testing::TestInfo::Run() testing/gtest/src/gtest.cc:2656:11
    #21 0xd248c49 in testing::TestCase::Run() testing/gtest/src/gtest.cc:2774:28
    #22 0xd26903d in testing::internal::UnitTestImpl::RunAllTests() testing/gtest/src/gtest.cc:4647:43
    #23 0xd267ebe in HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> testing/gtest/src/gtest.cc:2458:12
    #24 0xd267ebe in testing::UnitTest::Run() testing/gtest/src/gtest.cc:4255
    #25 0xb2e1360 in RUN_ALL_TESTS testing/gtest/include/gtest/gtest.h:2237:46
    #26 0xb2e1360 in base::TestSuite::Run() base/test/test_suite.cc:271
    #27 0xb303bde in Run base/callback.h:85:12
    #28 0xb303bde in base::(anonymous namespace)::LaunchUnitTestsInternal(base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&, int, int, bool, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:211
    #29 0xb30342d in base::LaunchUnitTests(int, char**, base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:453:10
    #30 0x5012c58 in main content/test/run_all_unittests.cc:20:10
    #31 0x7f5b78648f44 in __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:287
    #32 0x6a2588 in _start (content_unittests+0x6a2588)

  Uninitialized value was stored to memory at
    #0 0x6c24d4 in __msan_memcpy (content_unittests+0x6c24d4)
    #1 0x576f2cc in ui::TranslateAndScaleWebInputEvent(blink::WebInputEvent const&, gfx::Vector2d const&, float) ui/events/blink/blink_event_util.cc:772:18
    #2 0x576eaf1 in ui::ScaleWebInputEvent(blink::WebInputEvent const&, float) ui/events/blink/blink_event_util.cc:735:10
    #3 0xa2592b0 in content::InputRouterImpl::OfferToRenderer(blink::WebInputEvent const&, ui::LatencyInfo const&, content::InputEventDispatchType) content/browser/renderer_host/input/input_router_impl.cc:430:7
    #4 0xa258f7b in content::InputRouterImpl::OfferToHandlers(blink::WebInputEvent const&, ui::LatencyInfo const&) content/browser/renderer_host/input/input_router_impl.cc:376:3
    #5 0xa24ef23 in content::InputRouterImpl::FilterAndSendWebInputEvent(blink::WebInputEvent const&, ui::LatencyInfo const&) content/browser/renderer_host/input/input_router_impl.cc:365:3
    #6 0xa26e28d in content::LegacyTouchEventQueue::SendTouchEventImmediately(content::EventWithLatencyInfo<blink::WebTouchEvent>*) content/browser/renderer_host/input/legacy_touch_event_queue.cc:762:12
    #7 0xa269fd9 in content::LegacyTouchEventQueue::ForwardNextEventToRenderer() content/browser/renderer_host/input/legacy_touch_event_queue.cc:583:3
    #8 0xa267603 in content::LegacyTouchEventQueue::QueueEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&) content/browser/renderer_host/input/legacy_touch_event_queue.cc:405:5
    #9 0xa2500c3 in content::InputRouterImpl::SendTouchEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&) content/browser/renderer_host/input/input_router_impl.cc:192:23
    #10 0x31e58c9 in SendTouchEvent content/browser/renderer_host/input/input_router_impl_unittest.cc:265:20
    #11 0x31e58c9 in content::(anonymous namespace)::InputRouterImplScaleTouchEventTest::ReleaseTouchPointAndAck(int) content/browser/renderer_host/input/input_router_impl_unittest.cc:2010
    #12 0x31d8478 in content::InputRouterImplScaleTouchEventTest_ScaleTouchEventTest_Test::TestBody() content/browser/renderer_host/input/input_router_impl_unittest.cc:2029:3
    #13 0xd2448ce in HandleExceptionsInMethodIfSupported<testing::Test, void> testing/gtest/src/gtest.cc:2458:12
    #14 0xd2448ce in testing::Test::Run() testing/gtest/src/gtest.cc:2474
    #15 0xd2476cf in testing::TestInfo::Run() testing/gtest/src/gtest.cc:2656:11
    #16 0xd248c49 in testing::TestCase::Run() testing/gtest/src/gtest.cc:2774:28
    #17 0xd26903d in testing::internal::UnitTestImpl::RunAllTests() testing/gtest/src/gtest.cc:4647:43
    #18 0xd267ebe in HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> testing/gtest/src/gtest.cc:2458:12
    #19 0xd267ebe in testing::UnitTest::Run() testing/gtest/src/gtest.cc:4255
    #20 0xb2e1360 in RUN_ALL_TESTS testing/gtest/include/gtest/gtest.h:2237:46
    #21 0xb2e1360 in base::TestSuite::Run() base/test/test_suite.cc:271
    #22 0xb303bde in Run base/callback.h:85:12
    #23 0xb303bde in base::(anonymous namespace)::LaunchUnitTestsInternal(base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&, int, int, bool, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:211
    #24 0xb30342d in base::LaunchUnitTests(int, char**, base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:453:10

  Uninitialized value was stored to memory at
    #0 0x6c24d4 in __msan_memcpy (content_unittests+0x6c24d4)
    #1 0xa2692d2 in EventWithLatencyInfo content/common/input/event_with_latency_info.h:21:7
    #2 0xa2692d2 in content::LegacyTouchEventQueue::ForwardNextEventToRenderer() content/browser/renderer_host/input/legacy_touch_event_queue.cc:522
    #3 0xa267603 in content::LegacyTouchEventQueue::QueueEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&) content/browser/renderer_host/input/legacy_touch_event_queue.cc:405:5
    #4 0xa2500c3 in content::InputRouterImpl::SendTouchEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&) content/browser/renderer_host/input/input_router_impl.cc:192:23
    #5 0x31e58c9 in SendTouchEvent content/browser/renderer_host/input/input_router_impl_unittest.cc:265:20
    #6 0x31e58c9 in content::(anonymous namespace)::InputRouterImplScaleTouchEventTest::ReleaseTouchPointAndAck(int) content/browser/renderer_host/input/input_router_impl_unittest.cc:2010
    #7 0x31d8478 in content::InputRouterImplScaleTouchEventTest_ScaleTouchEventTest_Test::TestBody() content/browser/renderer_host/input/input_router_impl_unittest.cc:2029:3
    #8 0xd2448ce in HandleExceptionsInMethodIfSupported<testing::Test, void> testing/gtest/src/gtest.cc:2458:12
    #9 0xd2448ce in testing::Test::Run() testing/gtest/src/gtest.cc:2474
    #10 0xd2476cf in testing::TestInfo::Run() testing/gtest/src/gtest.cc:2656:11
    #11 0xd248c49 in testing::TestCase::Run() testing/gtest/src/gtest.cc:2774:28
    #12 0xd26903d in testing::internal::UnitTestImpl::RunAllTests() testing/gtest/src/gtest.cc:4647:43
    #13 0xd267ebe in HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> testing/gtest/src/gtest.cc:2458:12
    #14 0xd267ebe in testing::UnitTest::Run() testing/gtest/src/gtest.cc:4255
    #15 0xb2e1360 in RUN_ALL_TESTS testing/gtest/include/gtest/gtest.h:2237:46
    #16 0xb2e1360 in base::TestSuite::Run() base/test/test_suite.cc:271
    #17 0xb303bde in Run base/callback.h:85:12
    #18 0xb303bde in base::(anonymous namespace)::LaunchUnitTestsInternal(base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&, int, int, bool, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:211
    #19 0xb30342d in base::LaunchUnitTests(int, char**, base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:453:10
    #20 0x5012c58 in main content/test/run_all_unittests.cc:20:10
    #21 0x7f5b78648f44 in __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:287

  Uninitialized value was stored to memory at
    #0 0x6c24d4 in __msan_memcpy (content_unittests+0x6c24d4)
    #1 0xa2726cf in EventWithLatencyInfo content/common/input/event_with_latency_info.h:21:7
    #2 0xa2726cf in content::CoalescedWebTouchEvent::CoalescedWebTouchEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&, bool) content/browser/renderer_host/input/legacy_touch_event_queue.cc:287
    #3 0xa267516 in MakeUnique<content::CoalescedWebTouchEvent, const content::EventWithLatencyInfo<blink::WebTouchEvent> &, bool> base/memory/ptr_util.h:56:33
    #4 0xa267516 in content::LegacyTouchEventQueue::QueueEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&) content/browser/renderer_host/input/legacy_touch_event_queue.cc:404
    #5 0xa2500c3 in content::InputRouterImpl::SendTouchEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&) content/browser/renderer_host/input/input_router_impl.cc:192:23
    #6 0x31e58c9 in SendTouchEvent content/browser/renderer_host/input/input_router_impl_unittest.cc:265:20
    #7 0x31e58c9 in content::(anonymous namespace)::InputRouterImplScaleTouchEventTest::ReleaseTouchPointAndAck(int) content/browser/renderer_host/input/input_router_impl_unittest.cc:2010
    #8 0x31d8478 in content::InputRouterImplScaleTouchEventTest_ScaleTouchEventTest_Test::TestBody() content/browser/renderer_host/input/input_router_impl_unittest.cc:2029:3
    #9 0xd2448ce in HandleExceptionsInMethodIfSupported<testing::Test, void> testing/gtest/src/gtest.cc:2458:12
    #10 0xd2448ce in testing::Test::Run() testing/gtest/src/gtest.cc:2474
    #11 0xd2476cf in testing::TestInfo::Run() testing/gtest/src/gtest.cc:2656:11
    #12 0xd248c49 in testing::TestCase::Run() testing/gtest/src/gtest.cc:2774:28
    #13 0xd26903d in testing::internal::UnitTestImpl::RunAllTests() testing/gtest/src/gtest.cc:4647:43
    #14 0xd267ebe in HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> testing/gtest/src/gtest.cc:2458:12
    #15 0xd267ebe in testing::UnitTest::Run() testing/gtest/src/gtest.cc:4255
    #16 0xb2e1360 in RUN_ALL_TESTS testing/gtest/include/gtest/gtest.h:2237:46
    #17 0xb2e1360 in base::TestSuite::Run() base/test/test_suite.cc:271
    #18 0xb303bde in Run base/callback.h:85:12
    #19 0xb303bde in base::(anonymous namespace)::LaunchUnitTestsInternal(base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&, int, int, bool, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:211
    #20 0xb30342d in base::LaunchUnitTests(int, char**, base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:453:10
    #21 0x5012c58 in main content/test/run_all_unittests.cc:20:10
    #22 0x7f5b78648f44 in __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:287

  Uninitialized value was stored to memory at
    #0 0x6c24d4 in __msan_memcpy (content_unittests+0x6c24d4)
    #1 0xa24ffd6 in EventWithLatencyInfo content/common/input/event_with_latency_info.h:21:7
    #2 0xa24ffd6 in content::InputRouterImpl::SendTouchEvent(content::EventWithLatencyInfo<blink::WebTouchEvent> const&) content/browser/renderer_host/input/input_router_impl.cc:189
    #3 0x31e58c9 in SendTouchEvent content/browser/renderer_host/input/input_router_impl_unittest.cc:265:20
    #4 0x31e58c9 in content::(anonymous namespace)::InputRouterImplScaleTouchEventTest::ReleaseTouchPointAndAck(int) content/browser/renderer_host/input/input_router_impl_unittest.cc:2010
    #5 0x31d8478 in content::InputRouterImplScaleTouchEventTest_ScaleTouchEventTest_Test::TestBody() content/browser/renderer_host/input/input_router_impl_unittest.cc:2029:3
    #6 0xd2448ce in HandleExceptionsInMethodIfSupported<testing::Test, void> testing/gtest/src/gtest.cc:2458:12
    #7 0xd2448ce in testing::Test::Run() testing/gtest/src/gtest.cc:2474
    #8 0xd2476cf in testing::TestInfo::Run() testing/gtest/src/gtest.cc:2656:11
    #9 0xd248c49 in testing::TestCase::Run() testing/gtest/src/gtest.cc:2774:28
    #10 0xd26903d in testing::internal::UnitTestImpl::RunAllTests() testing/gtest/src/gtest.cc:4647:43
    #11 0xd267ebe in HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> testing/gtest/src/gtest.cc:2458:12
    #12 0xd267ebe in testing::UnitTest::Run() testing/gtest/src/gtest.cc:4255
    #13 0xb2e1360 in RUN_ALL_TESTS testing/gtest/include/gtest/gtest.h:2237:46
    #14 0xb2e1360 in base::TestSuite::Run() base/test/test_suite.cc:271
    #15 0xb303bde in Run base/callback.h:85:12
    #16 0xb303bde in base::(anonymous namespace)::LaunchUnitTestsInternal(base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&, int, int, bool, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:211
    #17 0xb30342d in base::LaunchUnitTests(int, char**, base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:453:10
    #18 0x5012c58 in main content/test/run_all_unittests.cc:20:10
    #19 0x7f5b78648f44 in __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:287

  Uninitialized value was stored to memory at
    #0 0x6c24d4 in __msan_memcpy (content_unittests+0x6c24d4)
    #1 0x31e587f in EventWithLatencyInfo content/common/input/event_with_latency_info.h:26:47
    #2 0x31e587f in SendTouchEvent content/browser/renderer_host/input/input_router_impl_unittest.cc:265
    #3 0x31e587f in content::(anonymous namespace)::InputRouterImplScaleTouchEventTest::ReleaseTouchPointAndAck(int) content/browser/renderer_host/input/input_router_impl_unittest.cc:2010
    #4 0x31d8478 in content::InputRouterImplScaleTouchEventTest_ScaleTouchEventTest_Test::TestBody() content/browser/renderer_host/input/input_router_impl_unittest.cc:2029:3
    #5 0xd2448ce in HandleExceptionsInMethodIfSupported<testing::Test, void> testing/gtest/src/gtest.cc:2458:12
    #6 0xd2448ce in testing::Test::Run() testing/gtest/src/gtest.cc:2474
    #7 0xd2476cf in testing::TestInfo::Run() testing/gtest/src/gtest.cc:2656:11
    #8 0xd248c49 in testing::TestCase::Run() testing/gtest/src/gtest.cc:2774:28
    #9 0xd26903d in testing::internal::UnitTestImpl::RunAllTests() testing/gtest/src/gtest.cc:4647:43
    #10 0xd267ebe in HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> testing/gtest/src/gtest.cc:2458:12
    #11 0xd267ebe in testing::UnitTest::Run() testing/gtest/src/gtest.cc:4255
    #12 0xb2e1360 in RUN_ALL_TESTS testing/gtest/include/gtest/gtest.h:2237:46
    #13 0xb2e1360 in base::TestSuite::Run() base/test/test_suite.cc:271
    #14 0xb303bde in Run base/callback.h:85:12
    #15 0xb303bde in base::(anonymous namespace)::LaunchUnitTestsInternal(base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&, int, int, bool, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:211
    #16 0xb30342d in base::LaunchUnitTests(int, char**, base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:453:10
    #17 0x5012c58 in main content/test/run_all_unittests.cc:20:10
    #18 0x7f5b78648f44 in __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:287

  Uninitialized value was stored to memory at
    #0 0x6c24d4 in __msan_memcpy (content_unittests+0x6c24d4)
    #1 0x5928043 in content::SyntheticWebTouchEvent::ResetPoints() content/common/input/synthetic_web_input_event_builders.cc:182:20
    #2 0x31e58ff in SendTouchEvent content/browser/renderer_host/input/input_router_impl_unittest.cc:266:18
    #3 0x31e58ff in content::(anonymous namespace)::InputRouterImplScaleTouchEventTest::ReleaseTouchPointAndAck(int) content/browser/renderer_host/input/input_router_impl_unittest.cc:2010
    #4 0x31d845b in content::InputRouterImplScaleTouchEventTest_ScaleTouchEventTest_Test::TestBody() content/browser/renderer_host/input/input_router_impl_unittest.cc:2028:3
    #5 0xd2448ce in HandleExceptionsInMethodIfSupported<testing::Test, void> testing/gtest/src/gtest.cc:2458:12
    #6 0xd2448ce in testing::Test::Run() testing/gtest/src/gtest.cc:2474
    #7 0xd2476cf in testing::TestInfo::Run() testing/gtest/src/gtest.cc:2656:11
    #8 0xd248c49 in testing::TestCase::Run() testing/gtest/src/gtest.cc:2774:28
    #9 0xd26903d in testing::internal::UnitTestImpl::RunAllTests() testing/gtest/src/gtest.cc:4647:43
    #10 0xd267ebe in HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool> testing/gtest/src/gtest.cc:2458:12
    #11 0xd267ebe in testing::UnitTest::Run() testing/gtest/src/gtest.cc:4255
    #12 0xb2e1360 in RUN_ALL_TESTS testing/gtest/include/gtest/gtest.h:2237:46
    #13 0xb2e1360 in base::TestSuite::Run() base/test/test_suite.cc:271
    #14 0xb303bde in Run base/callback.h:85:12
    #15 0xb303bde in base::(anonymous namespace)::LaunchUnitTestsInternal(base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&, int, int, bool, base::Callback<void (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:211
    #16 0xb30342d in base::LaunchUnitTests(int, char**, base::Callback<int (), (base::internal::CopyMode)1, (base::internal::RepeatMode)1> const&) base/test/launcher/unit_test_launcher.cc:453:10
    #17 0x5012c58 in main content/test/run_all_unittests.cc:20:10
    #18 0x7f5b78648f44 in __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:287

  Uninitialized value was created by an allocation of 'ref.tmp.sroa.6' in the stack frame of function '_ZN7content22SyntheticWebTouchEvent11ResetPointsEv'
    #0 0x5927ea0 in content::SyntheticWebTouchEvent::ResetPoints() content/common/input/synthetic_web_input_event_builders.cc:170

SUMMARY: MemorySanitizer: use-of-uninitialized-value base/pickle.cc:477:3 in WriteBytesCommon
Exiting
[4735/4735] InputRouterImplScaleTouchEventTest.ScaleTouchEventTest (CRASHED)
2 tests crashed:
    InputRouterImplScaleTouchEventTest.ScaleTouchEventTest (../../content/browser/renderer_host/input/input_router_impl_unittest.cc:2021)
    RenderWidgetHostViewAuraOverscrollTest.OverscrollWithTouchEvents (../../content/browser/renderer_host/render_widget_host_view_aura_unittest.cc:3517)
 
Issue 695521 has been merged into this issue.
Saw the same failures on a recent run of the msan trybot: https://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_msan_rel_ng/builds/557
hm, now I cannot reproduce this locally. Will close for now.
Status: WontFix (was: Untriaged)

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