reporter:ajha@google.com

Magic Signature: content::internal::ChildProcessLauncherHelper::BeforeLaunchOnLauncherThread

Crash link: https://crash.corp.google.com/browse?q=expanded_custom_data.ChromeCrashProto.magic_signature_1.name%3D%27content%3A%3Ainternal%3A%3AChildProcessLauncherHelper%3A%3ABeforeLaunchOnLauncherThread%27+AND+product_name%3D%27Chrome_Mac%27+AND+product.Version%3D%2770.0.3513.0%27&stbtiq=&reportid=&index=0

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Sample Report
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Product name: Chrome_Mac
Magic Signature : content::internal::ChildProcessLauncherHelper::BeforeLaunchOnLauncherThread
Product Version: 70.0.3513.0
Process type: browser
Report ID: 606c2cb8619b9744
Report Url: https://crash.corp.google.com/606c2cb8619b9744
Report Time: 2018-08-05T19:54:43-07:00
Upload Time: 2018-08-05T19:54:44.18-07:00
Uptime: 35000 ms
OS Name: Mac OS X
OS Version: 10.13.6 17G65
CPU Architecture: amd64
CPU Info: family 6 model 42 stepping 7

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Crashing thread: Thread index: 23. Stack Quality: 83%. Thread id: 22641.
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0x000000010515f9b1 (Google Chrome Framework - child_process_launcher_helper_mac.cc: 136)	content::internal::ChildProcessLauncherHelper::BeforeLaunchOnLauncherThread(content::PosixFileDescriptorInfo const&, base::LaunchOptions*)
0x000000010515eda9 (Google Chrome Framework - child_process_launcher_helper.cc: 112)	content::internal::ChildProcessLauncherHelper::LaunchOnLauncherThread()
0x00000001068346d1 (Google Chrome Framework - callback.h: 99)	base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask*)
0x00000001068aab1c (Google Chrome Framework - task_tracker.cc: 529)	base::internal::TaskTracker::RunOrSkipTask(base::internal::Task, base::internal::Sequence*, bool)
0x00000001068ea8c2 (Google Chrome Framework - task_tracker_posix.cc: 23)	base::internal::TaskTrackerPosix::RunOrSkipTask(base::internal::Task, base::internal::Sequence*, bool)
0x00000001068aa38f (Google Chrome Framework - task_tracker.cc: 404)	base::internal::TaskTracker::RunAndPopNextTask(scoped_refptr<base::internal::Sequence>, base::internal::CanScheduleSequenceObserver*)
0x00000001068a39ae (Google Chrome Framework - scheduler_worker.cc: 330)	base::internal::SchedulerWorker::RunWorker()
0x00000001068a3813 (Google Chrome Framework - scheduler_worker.cc: 248)	base::internal::SchedulerWorker::RunDedicatedWorker()
0x00000001068ead06 (Google Chrome Framework - platform_thread_posix.cc: 76)	base::(anonymous namespace)::ThreadFunc(void*)
0x00007fff57874660 (libsystem_pthread.dylib + 0x00003660)	_pthread_body
0x00007fff5787450c (libsystem_pthread.dylib + 0x0000350c)	_pthread_start
0x00007fff57873bf8 (libsystem_pthread.dylib + 0x00002bf8)	thread_start
0x00000001068eacaf (Google Chrome Framework + 0x023fbcaf)	

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Manual regression range finder link
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https://crash.corp.google.com/browse?q=expanded_custom_data.ChromeCrashProto.magic_signature_1.name%3D%27content%3A%3Ainternal%3A%3AChildProcessLauncherHelper%3A%3ABeforeLaunchOnLauncherThread%27#-property-selector,-samplereports,+productname,+productversion:1000,+directory,-clientid,+operatingsystem,+url,+simplifiedurl,+extensions