Environment:  Ubuntu 16.04 64bit/Intel I7/
Build args:
is_component_build = true
is_debug = true
proprietary_codecs = true
ffmpeg_branding = "Chrome"


Steps:
1), ./out/Default/chrome
2), Wait 3-5s. Chrome will crash.


Latest CL on my build:
commit 818af15972aa9a61e5f940d9c43aafdb6ce8224d
Author: Cathy Li <chili@chromium.org>
Date:   Tue Dec 19 05:51:44 2017 +0000
    Update fieldtrial testing to include recently flag.
    Bug:  734753 
    Change-Id: Ib277c9517de6fc24debb3b01fa8a623560cfe16c
    Reviewed-on: https://chromium-review.googlesource.com/833491


Crash logs:
[17874:17897:1220/160225.877662:WARNING:simple_synchronous_entry.cc(1170)] Could not open platform files for entry.
[17985:17985:1220/160233.190625:WARNING:gpu_info.cc(104)] No active GPU found, returning primary GPU.
[17985:17985:1220/160233.190724:ERROR:sandbox_linux.cc(375)] InitializeSandbox() called with multiple threads in process gpu-process.
[17874:17874:1220/160240.842817:FATAL:top_sites_impl.cc(462)] Check failed: found->second != kAlreadyFoundMarker. Same URL appears twice in the new list.
#0 0x7f481a7307bd base::debug::StackTrace::StackTrace()
#1 0x7f481a72ebfc base::debug::StackTrace::StackTrace()
#2 0x7f481a7b5b9a logging::LogMessage::~LogMessage()
#3 0x55cfe11cf89c history::TopSitesImpl::DiffMostVisited()
#4 0x55cfe11cd967 history::TopSitesImpl::SetTopSites()
#5 0x55cfe11cef55 history::TopSitesImpl::OnTopSitesAvailableFromHistory()
#6 0x55cfde87bea0 _ZN4base8internal13FunctorTraitsIMN10extensions28ExtensionWebContentsObserverEFvPN7content15RenderFrameHostEEvE6InvokeIPS3_JS6_EEEvS8_OT_DpOT0_
#7 0x55cfde87bdff _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIRKMN10extensions28ExtensionWebContentsObserverEFvPN7content15RenderFrameHostEEJPS5_S8_EEEvOT_DpOT0_
#8 0x55cfde87bd95 _ZN4base8internal7InvokerINS0_9BindStateIMN10extensions28ExtensionWebContentsObserverEFvPN7content15RenderFrameHostEEJNS0_17UnretainedWrapperIS4_EEEEEFvS7_EE7RunImplIRKS9_RKNSt3__15tupleIJSB_EEEJLm0EEEEvOT_OT0_NSI_16integer_sequenceImJXspT1_EEEEOS7_
#9 0x55cfde87bd24 _ZN4base8internal7InvokerINS0_9BindStateIMN10extensions28ExtensionWebContentsObserverEFvPN7content15RenderFrameHostEEJNS0_17UnretainedWrapperIS4_EEEEEFvS7_EE3RunEPNS0_13BindStateBaseES7_
#10 0x55cfde501bd0 _ZNKR4base17RepeatingCallbackIFvPN11google_apis29AuthenticatedRequestInterfaceEEE3RunES3_
#11 0x55cfdef2be37 _ZN4base8internal13FunctorTraitsINS_17RepeatingCallbackIFvPN7content11WebContentsEEEEvE6InvokeIRKS7_JS5_EEEvOT_DpOT0_
#12 0x55cfdef2bd3d _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIRKNS_17RepeatingCallbackIFvPN7content11WebContentsEEEEJS7_EEEvOT_DpOT0_
#13 0x55cfdef2bd05 _ZN4base8internal7InvokerINS0_9BindStateINS_17RepeatingCallbackIFvPN7content11WebContentsEEEEJNS0_17UnretainedWrapperIS5_EEEEEFvvEE7RunImplIRKS8_RKNSt3__15tupleIJSA_EEEJLm0EEEEvOT_OT0_NSH_16integer_sequenceImJXspT1_EEEE
#14 0x55cfdef2bc4c _ZN4base8internal7InvokerINS0_9BindStateINS_17RepeatingCallbackIFvPN7content11WebContentsEEEEJNS0_17UnretainedWrapperIS5_EEEEEFvvEE3RunEPNS0_13BindStateBaseE
#15 0x7f481a6daf41 _ZNO4base12OnceCallbackIFvvEE3RunEv
#16 0x7f481a8f54a2 base::(anonymous namespace)::RunIfNotCanceled()
#17 0x7f481a8f54e9 base::(anonymous namespace)::RunIfNotCanceledThenUntrack()
#18 0x7f481a8f8002 _ZN4base8internal13FunctorTraitsIPFvPKNS_16CancellationFlagENS_12OnceCallbackIFvvEEES7_EvE6InvokeIJPS2_S7_S7_EEEvS9_DpOT_
#19 0x7f481a8f7f80 _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIPFvPKNS_16CancellationFlagENS_12OnceCallbackIFvvEEES9_EJPS4_S9_S9_EEEvOT_DpOT0_
#20 0x7f481a8f7f1d _ZN4base8internal7InvokerINS0_9BindStateIPFvPKNS_16CancellationFlagENS_12OnceCallbackIFvvEEES8_EJNS0_12OwnedWrapperIS3_EES8_S8_EEES7_E7RunImplISA_NSt3__15tupleIJSC_S8_S8_EEEJLm0ELm1ELm2EEEEvOT_OT0_NSG_16integer_sequenceImJXspT1_EEEE
#21 0x7f481a8f7df9 _ZN4base8internal7InvokerINS0_9BindStateIPFvPKNS_16CancellationFlagENS_12OnceCallbackIFvvEEES8_EJNS0_12OwnedWrapperIS3_EES8_S8_EEES7_E7RunOnceEPNS0_13BindStateBaseE
#22 0x7f481a6daf41 _ZNO4base12OnceCallbackIFvvEE3RunEv
#23 0x7f481a9325db base::(anonymous namespace)::PostTaskAndReplyRelay::RunReplyAndSelfDestruct()
#24 0x7f481a93283d _ZN4base8internal13FunctorTraitsIMNS_12_GLOBAL__N_121PostTaskAndReplyRelayEFvvEvE6InvokeIPS3_JEEEvS5_OT_DpOT0_
#25 0x7f481a932784 _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIMNS_12_GLOBAL__N_121PostTaskAndReplyRelayEFvvEJPS5_EEEvOT_DpOT0_
#26 0x7f481a932735 _ZN4base8internal7InvokerINS0_9BindStateIMNS_12_GLOBAL__N_121PostTaskAndReplyRelayEFvvEJNS0_17UnretainedWrapperIS4_EEEEEFvvEE7RunImplIS6_NSt3__15tupleIJS8_EEEJLm0EEEEvOT_OT0_NSD_16integer_sequenceImJXspT1_EEEE
#27 0x7f481a932689 _ZN4base8internal7InvokerINS0_9BindStateIMNS_12_GLOBAL__N_121PostTaskAndReplyRelayEFvvEJNS0_17UnretainedWrapperIS4_EEEEEFvvEE7RunOnceEPNS0_13BindStateBaseE
#28 0x7f481a6daf41 _ZNO4base12OnceCallbackIFvvEE3RunEv
#29 0x7f481a734f6a base::debug::TaskAnnotator::RunTask()
#30 0x7f481a7d1f89 base::internal::IncomingTaskQueue::RunTask()
#31 0x7f481a7dad4e base::MessageLoop::RunTask()
#32 0x7f481a7dafe8 base::MessageLoop::DeferOrRunPendingTask()
#33 0x7f481a7db330 base::MessageLoop::DoWork()
#34 0x7f481a7dea1c base::MessagePumpGlib::HandleDispatch()
#35 0x7f481a7df191 base::(anonymous namespace)::WorkSourceDispatch()
#36 0x7f4802958197 g_main_context_dispatch
#37 0x7f48029583f0 <unknown>
#38 0x7f480295849c g_main_context_iteration
#39 0x7f481a7deb1f base::MessagePumpGlib::Run()
#40 0x7f481a7da4e2 base::MessageLoop::Run()
#41 0x7f481a88a460 base::RunLoop::Run()
#42 0x55cfdfd7d981 ChromeBrowserMainParts::MainMessageLoopRun()
#43 0x7f481481ba06 content::BrowserMainLoop::RunMainMessageLoopParts()
#44 0x7f48148241c7 content::BrowserMainRunnerImpl::Run()
#45 0x7f481480f41b content::BrowserMain()
#46 0x7f481649c868 content::RunNamedProcessTypeMain()
#47 0x7f481649f412 content::ContentMainRunnerImpl::Run()
#48 0x7f481649687d content::ContentServiceManagerMainDelegate::RunEmbedderProcess()
#49 0x7f481af4a785 service_manager::Main()
#50 0x7f481649b6bf content::ContentMain()
#51 0x55cfde3bf23e ChromeMain
#52 0x55cfde3bf152 main
#53 0x7f4801048830 __libc_start_main
#54 0x55cfde3bf02a _start

Received signal 6
#0 0x7f481a7307bd base::debug::StackTrace::StackTrace()
#1 0x7f481a72ebfc base::debug::StackTrace::StackTrace()
#2 0x7f481a730185 base::debug::(anonymous namespace)::StackDumpSignalHandler()
#3 0x7f481ac88390 <unknown>
#4 0x7f480105d428 gsignal
#5 0x7f480105f02a abort
#6 0x7f481a72bc86 base::debug::(anonymous namespace)::DebugBreak()
#7 0x7f481a72bc68 base::debug::BreakDebugger()
#8 0x7f481a7b67ba logging::LogMessage::~LogMessage()
#9 0x55cfe11cf89c history::TopSitesImpl::DiffMostVisited()
#10 0x55cfe11cd967 history::TopSitesImpl::SetTopSites()
#11 0x55cfe11cef55 history::TopSitesImpl::OnTopSitesAvailableFromHistory()
#12 0x55cfde87bea0 _ZN4base8internal13FunctorTraitsIMN10extensions28ExtensionWebContentsObserverEFvPN7content15RenderFrameHostEEvE6InvokeIPS3_JS6_EEEvS8_OT_DpOT0_
#13 0x55cfde87bdff _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIRKMN10extensions28ExtensionWebContentsObserverEFvPN7content15RenderFrameHostEEJPS5_S8_EEEvOT_DpOT0_
#14 0x55cfde87bd95 _ZN4base8internal7InvokerINS0_9BindStateIMN10extensions28ExtensionWebContentsObserverEFvPN7content15RenderFrameHostEEJNS0_17UnretainedWrapperIS4_EEEEEFvS7_EE7RunImplIRKS9_RKNSt3__15tupleIJSB_EEEJLm0EEEEvOT_OT0_NSI_16integer_sequenceImJXspT1_EEEEOS7_
#15 0x55cfde87bd24 _ZN4base8internal7InvokerINS0_9BindStateIMN10extensions28ExtensionWebContentsObserverEFvPN7content15RenderFrameHostEEJNS0_17UnretainedWrapperIS4_EEEEEFvS7_EE3RunEPNS0_13BindStateBaseES7_
#16 0x55cfde501bd0 _ZNKR4base17RepeatingCallbackIFvPN11google_apis29AuthenticatedRequestInterfaceEEE3RunES3_
#17 0x55cfdef2be37 _ZN4base8internal13FunctorTraitsINS_17RepeatingCallbackIFvPN7content11WebContentsEEEEvE6InvokeIRKS7_JS5_EEEvOT_DpOT0_
#18 0x55cfdef2bd3d _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIRKNS_17RepeatingCallbackIFvPN7content11WebContentsEEEEJS7_EEEvOT_DpOT0_
#19 0x55cfdef2bd05 _ZN4base8internal7InvokerINS0_9BindStateINS_17RepeatingCallbackIFvPN7content11WebContentsEEEEJNS0_17UnretainedWrapperIS5_EEEEEFvvEE7RunImplIRKS8_RKNSt3__15tupleIJSA_EEEJLm0EEEEvOT_OT0_NSH_16integer_sequenceImJXspT1_EEEE
#20 0x55cfdef2bc4c _ZN4base8internal7InvokerINS0_9BindStateINS_17RepeatingCallbackIFvPN7content11WebContentsEEEEJNS0_17UnretainedWrapperIS5_EEEEEFvvEE3RunEPNS0_13BindStateBaseE
#21 0x7f481a6daf41 _ZNO4base12OnceCallbackIFvvEE3RunEv
#22 0x7f481a8f54a2 base::(anonymous namespace)::RunIfNotCanceled()
#23 0x7f481a8f54e9 base::(anonymous namespace)::RunIfNotCanceledThenUntrack()
#24 0x7f481a8f8002 _ZN4base8internal13FunctorTraitsIPFvPKNS_16CancellationFlagENS_12OnceCallbackIFvvEEES7_EvE6InvokeIJPS2_S7_S7_EEEvS9_DpOT_
#25 0x7f481a8f7f80 _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIPFvPKNS_16CancellationFlagENS_12OnceCallbackIFvvEEES9_EJPS4_S9_S9_EEEvOT_DpOT0_
#26 0x7f481a8f7f1d _ZN4base8internal7InvokerINS0_9BindStateIPFvPKNS_16CancellationFlagENS_12OnceCallbackIFvvEEES8_EJNS0_12OwnedWrapperIS3_EES8_S8_EEES7_E7RunImplISA_NSt3__15tupleIJSC_S8_S8_EEEJLm0ELm1ELm2EEEEvOT_OT0_NSG_16integer_sequenceImJXspT1_EEEE
#27 0x7f481a8f7df9 _ZN4base8internal7InvokerINS0_9BindStateIPFvPKNS_16CancellationFlagENS_12OnceCallbackIFvvEEES8_EJNS0_12OwnedWrapperIS3_EES8_S8_EEES7_E7RunOnceEPNS0_13BindStateBaseE
#28 0x7f481a6daf41 _ZNO4base12OnceCallbackIFvvEE3RunEv
#29 0x7f481a9325db base::(anonymous namespace)::PostTaskAndReplyRelay::RunReplyAndSelfDestruct()
#30 0x7f481a93283d _ZN4base8internal13FunctorTraitsIMNS_12_GLOBAL__N_121PostTaskAndReplyRelayEFvvEvE6InvokeIPS3_JEEEvS5_OT_DpOT0_
#31 0x7f481a932784 _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIMNS_12_GLOBAL__N_121PostTaskAndReplyRelayEFvvEJPS5_EEEvOT_DpOT0_
#32 0x7f481a932735 _ZN4base8internal7InvokerINS0_9BindStateIMNS_12_GLOBAL__N_121PostTaskAndReplyRelayEFvvEJNS0_17UnretainedWrapperIS4_EEEEEFvvEE7RunImplIS6_NSt3__15tupleIJS8_EEEJLm0EEEEvOT_OT0_NSD_16integer_sequenceImJXspT1_EEEE
#33 0x7f481a932689 _ZN4base8internal7InvokerINS0_9BindStateIMNS_12_GLOBAL__N_121PostTaskAndReplyRelayEFvvEJNS0_17UnretainedWrapperIS4_EEEEEFvvEE7RunOnceEPNS0_13BindStateBaseE
#34 0x7f481a6daf41 _ZNO4base12OnceCallbackIFvvEE3RunEv
#35 0x7f481a734f6a base::debug::TaskAnnotator::RunTask()
#36 0x7f481a7d1f89 base::internal::IncomingTaskQueue::RunTask()
#37 0x7f481a7dad4e base::MessageLoop::RunTask()
#38 0x7f481a7dafe8 base::MessageLoop::DeferOrRunPendingTask()
#39 0x7f481a7db330 base::MessageLoop::DoWork()
#40 0x7f481a7dea1c base::MessagePumpGlib::HandleDispatch()
#41 0x7f481a7df191 base::(anonymous namespace)::WorkSourceDispatch()
#42 0x7f4802958197 g_main_context_dispatch
#43 0x7f48029583f0 <unknown>
#44 0x7f480295849c g_main_context_iteration
#45 0x7f481a7deb1f base::MessagePumpGlib::Run()
#46 0x7f481a7da4e2 base::MessageLoop::Run()
#47 0x7f481a88a460 base::RunLoop::Run()
#48 0x55cfdfd7d981 ChromeBrowserMainParts::MainMessageLoopRun()
#49 0x7f481481ba06 content::BrowserMainLoop::RunMainMessageLoopParts()
#50 0x7f48148241c7 content::BrowserMainRunnerImpl::Run()
#51 0x7f481480f41b content::BrowserMain()
#52 0x7f481649c868 content::RunNamedProcessTypeMain()
#53 0x7f481649f412 content::ContentMainRunnerImpl::Run()
#54 0x7f481649687d content::ContentServiceManagerMainDelegate::RunEmbedderProcess()
#55 0x7f481af4a785 service_manager::Main()
#56 0x7f481649b6bf content::ContentMain()
#57 0x55cfde3bf23e ChromeMain
#58 0x55cfde3bf152 main
#59 0x7f4801048830 __libc_start_main
#60 0x55cfde3bf02a _start
  r8: 00007ffe1bd0cff8  r9: 00002a3d228f2140 r10: 0000000000000008 r11: 0000000000000206
 r12: 00002a3d228fd7a0 r13: 00002a3d22a4ba90 r14: 00002a3d22ad33e0 r15: 00007f481a7df170
  di: 00000000000045d2  si: 00000000000045d2  bp: 00007ffe1bd0d500  bx: 0000000000000000
  dx: 0000000000000006  ax: 0000000000000000  cx: 00007f480105d428  sp: 00007ffe1bd0d3c8
  ip: 00007f480105d428 efl: 0000000000000206 cgf: 002b000000000033 erf: 0000000000000000
 trp: 0000000000000000 msk: 0000000000000000 cr2: 0000000000000000
[end of stack trace]
Calling _exit(1). Core file will not be generated.