[Pkg-chromium-maint] Bug#794895: chromium: Segmentation fault for some websites

Sebastian Reichel sre at debian.org
Fri Aug 7 18:48:46 UTC 2015


Package: chromium
Version: 44.0.2403.107-1
Severity: normal

Hi,

The current release crashes regularly. For example the following link
reproducibly crashes the browser:

ftp://www.kernel.org/pub/linux/utils/kernel/hotplug/libudev/libudev-udev-monitor.html

You can find a stacktrace attached. Note that the whole browser crashes
even in non single-process mode, but that makes it much harder to catch
the segfault with gdb. Also the bug is quite anoying, since the browser
will instantly recrash on tab recovery.

-- Sebastian

-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (1000, 'testing'), (500, 'unstable'), (200, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386, armhf

Kernel: Linux 4.1.0-trunk-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages chromium depends on:
ii  libasound2           1.0.29-1
ii  libatk1.0-0          2.16.0-2
ii  libc6                2.19-19
ii  libcairo2            1.14.2-2
ii  libcups2             2.0.3-10
ii  libdbus-1-3          1.8.20-1
ii  libexpat1            2.1.0-7
ii  libfontconfig1       2.11.0-6.3
ii  libfreetype6         2.5.2-4
ii  libgdk-pixbuf2.0-0   2.31.5-1
ii  libglib2.0-0         2.44.1-1.1
ii  libgnome-keyring0    3.12.0-1+b1
ii  libgtk2.0-0          2.24.28-1
ii  libharfbuzz0b        1.0.1-1
ii  libjpeg62-turbo      1:1.4.1-1
ii  libnspr4             2:4.10.8-2
ii  libnss3              2:3.19.2-1
ii  libpango-1.0-0       1.36.8-3
ii  libpangocairo-1.0-0  1.36.8-3
ii  libpci3              1:3.2.1-3
ii  libspeechd2          0.8-7
ii  libspeex1            1.2~rc1.2-1
ii  libsrtp0             1.4.5~20130609~dfsg-1.1
ii  libstdc++6           5.1.1-14
ii  libx11-6             2:1.6.3-1
ii  libxcomposite1       1:0.4.4-1
ii  libxcursor1          1:1.1.14-1+b1
ii  libxdamage1          1:1.1.4-2+b1
ii  libxext6             2:1.3.3-1
ii  libxfixes3           1:5.0.1-2+b2
ii  libxi6               2:1.7.4-1+b2
ii  libxml2              2.9.2+dfsg1-3
ii  libxrandr2           2:1.5.0-1
ii  libxrender1          1:0.9.8-1+b1
ii  libxslt1.1           1.1.28-2+b2
ii  libxss1              1:1.2.2-1
ii  libxtst6             2:1.2.2-1+b1
ii  x11-utils            7.7+3
ii  xdg-utils            1.1.0~rc1+git20111210-7.4

chromium recommends no packages.

Versions of packages chromium suggests:
pn  chromium-l10n  <none>

-- no debconf information
-------------- next part --------------
# Env:
#     LD_LIBRARY_PATH=
#                PATH=/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games:/usr/local/sbin:/usr/sbin:/sbin
#            GTK_PATH=
#      CHROMIUM_FLAGS= --cipher-suite-blacklist=0xc007,0xc011,0x0066,0xc00c,0xc002,0x0005,0x0004 --show-component-extension-options --force-device-scale-factor=1 --ppapi-flash-path=/usr/lib/pepperflashplugin-nonfree/libpepflashplayer.so --ppapi-flash-version=18.0.0.209
/usr/bin/gdb /usr/lib/chromium/chromium -x /tmp/chromiumargs.HjqKE4
GNU gdb (Debian 7.7.1+dfsg-5) 7.7.1
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /usr/lib/chromium/chromium...Reading symbols from /usr/lib/debug//usr/lib/chromium/chromium...done.
done.
(gdb) handle SIG33 pass nostop noprintnt
Signal        Stop	Print	Pass to program	Description
SIG33         No	No	Yes		Real-time event 33
(gdb) set pagination 0
(gdb) run
Starting program: /usr/lib/chromium/chromium --cipher-suite-blacklist=0xc007,0xc011,0x0066,0xc00c,0xc002,0x0005,0x0004 --show-component-extension-options --force-device-scale-factor=1 --ppapi-flash-path=/usr/lib/pepperflashplugin-nonfree/libpepflashplayer.so --ppapi-flash-version=18.0.0.209 --single-process
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffe86bc700 (LWP 13173)]
[New Thread 0x7fffe7ebb700 (LWP 13178)]
[New Thread 0x7fffe714d700 (LWP 13179)]
[New Thread 0x7fffe694c700 (LWP 13180)]
[New Thread 0x7fffe614b700 (LWP 13181)]
[New Thread 0x7fffe594a700 (LWP 13182)]
[New Thread 0x7fffe5149700 (LWP 13183)]
[13169:13169:0807/204320:ERROR:nss_util.cc(856)] After loading Root Certs, loaded==false: NSS error code: -8018
[New Thread 0x7fffc702e700 (LWP 13184)]
[New Thread 0x7fffc682d700 (LWP 13185)]
[New Thread 0x7fffc602c700 (LWP 13186)]
[New Thread 0x7fffc582b700 (LWP 13187)]
[New Thread 0x7fffc502a700 (LWP 13188)]
[New Thread 0x7fffc4829700 (LWP 13189)]
[New Thread 0x7fffaffff700 (LWP 13190)]
[New Thread 0x7fffaf7fe700 (LWP 13191)]
[New Thread 0x7fffaeffd700 (LWP 13192)]
[New Thread 0x7fffae7fc700 (LWP 13193)]
[New Thread 0x7fffadffb700 (LWP 13194)]
[New Thread 0x7fff91f83700 (LWP 13195)]
[New Thread 0x7fff8d781700 (LWP 13196)]
[13169:13190:0807/204320:ERROR:proxy_service_factory.cc(129)] Cannot use V8 Proxy resolver in single process mode.
[13169:13190:0807/204320:ERROR:proxy_service_factory.cc(129)] Cannot use V8 Proxy resolver in single process mode.
[New Thread 0x7fff87df5700 (LWP 13198)]
[New Thread 0x7fff875f4700 (LWP 13199)]
[New Thread 0x7fff867de700 (LWP 13200)]
[New Thread 0x7fff85fdd700 (LWP 13201)]
[Thread 0x7fff85fdd700 (LWP 13201) exited]
[New Thread 0x7fff855db700 (LWP 13202)]
[New Thread 0x7fff84dda700 (LWP 13203)]
[New Thread 0x7fff6bfff700 (LWP 13204)]
[New Thread 0x7fff6b7fe700 (LWP 13205)]
[New Thread 0x7fff6affd700 (LWP 13206)]
[13169:13169:0807/204323:ERROR:CONSOLE(0)] "Not allowed to load local resource: chrome-search://most-visited/single.html?removeTooltip=Auf%20dieser%20Seite%20nicht%20anzeigen", source: https://www.google.de/_/chrome/newtab?espv=2&ie=UTF-8 (0)
[New Thread 0x7fff68c76700 (LWP 13207)]
[New Thread 0x7fff5bfff700 (LWP 13208)]
[New Thread 0x7fff5ae1f700 (LWP 13210)]
[Thread 0x7fff5ae1f700 (LWP 13210) exited]
[New Thread 0x7fff5ae1f700 (LWP 13214)]
[New Thread 0x7fff5885c700 (LWP 13215)]
[New Thread 0x7fff4ffff700 (LWP 13216)]
[New Thread 0x7fff4f7fe700 (LWP 13217)]
[New Thread 0x7fff4effd700 (LWP 13218)]
[Thread 0x7fffe614b700 (LWP 13181) exited]
[Thread 0x7fff5885c700 (LWP 13215) exited]
[New Thread 0x7fff5885c700 (LWP 13219)]
[New Thread 0x7fffe614b700 (LWP 13220)]
[New Thread 0x7fff4dffa700 (LWP 13221)]
[Thread 0x7fff4dffa700 (LWP 13221) exited]
[Thread 0x7fffe594a700 (LWP 13182) exited]
[New Thread 0x7fffe594a700 (LWP 13222)]
[New Thread 0x7fff4dffa700 (LWP 13223)]
[Thread 0x7fffe594a700 (LWP 13222) exited]
[New Thread 0x7fffe594a700 (LWP 13224)]
[New Thread 0x7fff46d1f700 (LWP 13225)]
[Thread 0x7fff46d1f700 (LWP 13225) exited]
[New Thread 0x7fff46d1f700 (LWP 13226)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffaffff700 (LWP 13190)]
ExtensionWebRequestEventRouter::OnAuthRequired(void*, extensions::InfoMap*, net::URLRequest*, net::AuthChallengeInfo const&, base::Callback<void (net::NetworkDelegate::AuthRequiredResponse)> const&, net::AuthCredentials*) (this=<optimized out>, browser_context=0x55555c6abcf0, extension_info_map=<optimized out>, request=0x7fffa42b1390, auth_info=..., callback=..., credentials=<optimized out>) at ../../extensions/browser/api/web_request/web_request_api.cc:966
966	../../extensions/browser/api/web_request/web_request_api.cc: No such file or directory.
(gdb) bt
#0  ExtensionWebRequestEventRouter::OnAuthRequired(void*, extensions::InfoMap*, net::URLRequest*, net::AuthChallengeInfo const&, base::Callback<void (net::NetworkDelegate::AuthRequiredResponse)> const&, net::AuthCredentials*) (this=<optimized out>, browser_context=0x55555c6abcf0, extension_info_map=<optimized out>, request=0x7fffa42b1390, auth_info=..., callback=..., credentials=<optimized out>) at ../../extensions/browser/api/web_request/web_request_api.cc:966
#1  0x000055555626586e in (anonymous namespace)::ChromeExtensionsNetworkDelegateImpl::OnAuthRequired(net::URLRequest*, net::AuthChallengeInfo const&, base::Callback<void (net::NetworkDelegate::AuthRequiredResponse)> const&, net::AuthCredentials*) (this=0x7fffa401c0e0, request=0x7fffa42b74a8, auth_info=..., callback=..., credentials=0x7fffa42b1668) at ../../chrome/browser/net/chrome_extensions_network_delegate.cc:251
#2  0x000055555673b607 in net::URLRequest::NotifyAuthRequired (this=0x7fffa42b1390, auth_info=0x7fffa41b57a0) at ../../net/url_request/url_request.cc:1026
#3  0x000055555674359f in net::URLRequestJob::NotifyHeadersComplete (this=0x7fffa42b1820) at ../../net/url_request/url_request_job.cc:425
#4  0x0000555556741c55 in net::URLRequestFtpJob::HandleAuthNeededResponse (this=0x7fffa42b1820) at ../../net/url_request/url_request_ftp_job.cc:405
#5  0x0000555556741b16 in net::URLRequestFtpJob::OnStartCompleted (this=0x7fffa42b1820, result=<optimized out>) at ../../net/url_request/url_request_ftp_job.cc:227
#6  0x000055555669ac50 in Run (this=0x7fffa42b1b40, args=@0x6f43737574617473: <error reading variable>) at ../../base/callback.h:396
#7  DoCallback (this=<optimized out>, rv=1952543859) at ../../net/ftp/ftp_network_transaction.cc:358
#8  net::FtpNetworkTransaction::OnIOComplete (this=<optimized out>, result=<optimized out>) at ../../net/ftp/ftp_network_transaction.cc:364
#9  0x0000555556707c7e in Run (this=0x7fffa41fd170, args=<optimized out>) at ../../base/callback.h:396
#10 net::TCPClientSocket::DidCompleteReadWrite(base::Callback<void (int)> const&, int) (this=<optimized out>, callback=..., result=<optimized out>) at ../../net/socket/tcp_client_socket.cc:338
#11 0x000055555670911f in Run (this=0x7fffa402fd08, args=@0x6f43737574617473: <error reading variable>) at ../../base/callback.h:396
#12 net::TCPSocketLibevent::ReadCompleted(scoped_refptr<net::IOBuffer> const&, base::Callback<void (int)> const&, int) (this=<optimized out>, buf=..., callback=..., rv=-252297487) at ../../net/socket/tcp_socket_libevent.cc:580
#13 0x0000555556709fc8 in Run (args=<optimized out>, this=<optimized out>, object=<optimized out>, args=<optimized out>, args=<optimized out>) at ../../base/bind_internal.h:176
#14 MakeItSo (args=<optimized out>, runnable=..., args=<optimized out>, args=<optimized out>, args=<optimized out>) at ../../base/bind_internal.h:293
#15 base::internal::Invoker<IndexSequence<0ul, 1ul, 2ul>, base::internal::BindState<base::internal::RunnableAdapter<void (net::TCPSocketLibevent::*)(scoped_refptr<net::IOBuffer> const&, base::Callback<void (int)> const&, int)>, void (net::TCPSocketLibevent*, scoped_refptr<net::IOBuffer> const&, base::Callback<void (int)> const&, int), base::internal::TypeList<base::internal::UnretainedWrapper<net::TCPSocketLibevent>, scoped_refptr<net::IOBuffer>, base::Callback<void (int)> > >, base::internal::TypeList<base::internal::UnwrapTraits<base::internal::UnretainedWrapper<net::TCPSocketLibevent> >, base::internal::UnwrapTraits<scoped_refptr<net::IOBuffer> >, base::internal::UnwrapTraits<base::Callback<void (int)> > >, base::internal::InvokeHelper<false, void, base::internal::RunnableAdapter<void (net::TCPSocketLibevent::*)(scoped_refptr<net::IOBuffer> const&, base::Callback<void (int)> const&, int)>, base::internal::TypeList<net::TCPSocketLibevent*, net::IOBuffer*, base::Callback<void (int)> const&, int const&> >, void (int const&)>::Run(base::internal::BindStateBase*, int const&) (base=<optimized out>, unbound_args=@0x7fffafffe654: 64) at ../../base/bind_internal.h:343
#16 0x00005555567eb958 in Run (this=0x7fffa402fcd0, args=<optimized out>) at ../../base/callback.h:396
#17 net::SocketLibevent::ReadCompleted (this=<optimized out>) at ../../net/socket/socket_libevent.cc:433
#18 0x00005555564f06a8 in OnFileCanReadWithoutBlocking (this=0x7fffa41fcfa0, fd=318, pump=<optimized out>) at ../../base/message_loop/message_pump_libevent.cc:100
#19 base::MessagePumpLibevent::OnLibeventNotification (fd=318, flags=<optimized out>, context=<optimized out>) at ../../base/message_loop/message_pump_libevent.cc:360
#20 0x000055555656f097 in event_process_active (base=0x7fffa4001330) at ../../third_party/libevent/event.c:373
#21 event_base_loop (base=0x7fffa4001330, flags=<optimized out>) at ../../third_party/libevent/event.c:513
#22 0x00005555564f0a7e in base::MessagePumpLibevent::Run (this=0x7fffa40012c0, delegate=0x7fffa4000940) at ../../base/message_loop/message_pump_libevent.cc:237
#23 0x0000555556525d2d in base::RunLoop::Run (this=0x7fffafffe880) at ../../base/run_loop.cc:55
#24 0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#25 0x000055555872baf6 in content::BrowserThreadImpl::IOThreadRun (this=0x7fffa42b1390, message_loop=0x55555aab04ab <extension_web_request_api_constants::kStatusCodeKey>) at ../../content/browser/browser_thread_impl.cc:219
#26 0x000055555872bcbd in content::BrowserThreadImpl::Run (this=0x55555c6d56d0, message_loop=0x7fffa4000940) at ../../content/browser/browser_thread_impl.cc:254
#27 0x000055555654864b in base::Thread::ThreadMain (this=0x55555c6d56d0) at ../../base/threading/thread.cc:235
#28 0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#29 0x00007ffff0c8e0a4 in start_thread (arg=0x7fffaffff700) at pthread_create.c:309
#30 0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb) thread apply all backtrace

Thread 46 (Thread 0x7fff46d1f700 (LWP 13226)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x000055555656a673 in base::ConditionVariable::TimedWait (this=0x7fffdc007890, max_time=...) at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x000055555654adad in base::PosixDynamicThreadPool::WaitForTask (this=0x7fffdc007850) at ../../base/threading/worker_pool_posix.cc:176
#3  0x000055555654b2d4 in base::(anonymous namespace)::WorkerThread::ThreadMain (this=0x7fffa40e1750) at ../../base/threading/worker_pool_posix.cc:83
#4  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#5  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff46d1f700) at pthread_create.c:309
#6  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 44 (Thread 0x7fffe594a700 (LWP 13224)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000555556545a0d in base::SequencedWorkerPool::Inner::ThreadLoop (this=0x7fffa8005140, this_worker=0x7fff4807d430) at ../../base/threading/sequenced_worker_pool.cc:845
#2  0x00005555565450e9 in base::SequencedWorkerPool::Worker::Run (this=0x7fff4807d430) at ../../base/threading/sequenced_worker_pool.cc:520
#3  0x0000555556547e8b in base::SimpleThread::ThreadMain (this=0x7fff4807d430) at ../../base/threading/simple_thread.cc:60
#4  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#5  0x00007ffff0c8e0a4 in start_thread (arg=0x7fffe594a700) at pthread_create.c:309
#6  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 43 (Thread 0x7fff4dffa700 (LWP 13223)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x000055555656a673 in base::ConditionVariable::TimedWait (this=0x7fffdc007890, max_time=...) at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x000055555654adad in base::PosixDynamicThreadPool::WaitForTask (this=0x7fffdc007850) at ../../base/threading/worker_pool_posix.cc:176
#3  0x000055555654b2d4 in base::(anonymous namespace)::WorkerThread::ThreadMain (this=0x7fff6ce058b0) at ../../base/threading/worker_pool_posix.cc:83
#4  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#5  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff4dffa700) at pthread_create.c:309
#6  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 40 (Thread 0x7fffe614b700 (LWP 13220)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000555556538908 in base::WaitableEvent::TimedWait (this=0x7fffd4009b10, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:214
#2  0x00005555565387a5 in base::WaitableEvent::Wait (this=0x7fffe614aabc) at ../../base/synchronization/waitable_event_posix.cc:154
#3  0x00005555565153b3 in base::MessagePumpDefault::Run (this=0x7fffd4009b00, delegate=0x7fffd4015ba0) at ../../base/message_loop/message_pump_default.cc:52
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fffe614abe0) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555654864b in base::Thread::ThreadMain (this=0x7fff6ca00f90) at ../../base/threading/thread.cc:235
#7  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#8  0x00007ffff0c8e0a4 in start_thread (arg=0x7fffe614b700) at pthread_create.c:309
#9  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 39 (Thread 0x7fff5885c700 (LWP 13219)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x000055555656a673 in base::ConditionVariable::TimedWait (this=0x7fffdc007890, max_time=...) at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x000055555654adad in base::PosixDynamicThreadPool::WaitForTask (this=0x7fffdc007850) at ../../base/threading/worker_pool_posix.cc:176
#3  0x000055555654b2d4 in base::(anonymous namespace)::WorkerThread::ThreadMain (this=0x7fff6ca8cec0) at ../../base/threading/worker_pool_posix.cc:83
#4  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#5  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff5885c700) at pthread_create.c:309
#6  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 38 (Thread 0x7fff4effd700 (LWP 13218)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000555556545a0d in base::SequencedWorkerPool::Inner::ThreadLoop (this=0x7fffa4002d00, this_worker=0x7fffa4102000) at ../../base/threading/sequenced_worker_pool.cc:845
#2  0x00005555565450e9 in base::SequencedWorkerPool::Worker::Run (this=0x7fffa4102000) at ../../base/threading/sequenced_worker_pool.cc:520
#3  0x0000555556547e8b in base::SimpleThread::ThreadMain (this=0x7fffa4102000) at ../../base/threading/simple_thread.cc:60
#4  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#5  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff4effd700) at pthread_create.c:309
#6  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 37 (Thread 0x7fff4f7fe700 (LWP 13217)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000555556545a0d in base::SequencedWorkerPool::Inner::ThreadLoop (this=0x7fffa4002d00, this_worker=0x7fffa40df440) at ../../base/threading/sequenced_worker_pool.cc:845
#2  0x00005555565450e9 in base::SequencedWorkerPool::Worker::Run (this=0x7fffa40df440) at ../../base/threading/sequenced_worker_pool.cc:520
#3  0x0000555556547e8b in base::SimpleThread::ThreadMain (this=0x7fffa40df440) at ../../base/threading/simple_thread.cc:60
#4  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#5  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff4f7fe700) at pthread_create.c:309
#6  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 36 (Thread 0x7fff4ffff700 (LWP 13216)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000555556538908 in base::WaitableEvent::TimedWait (this=0x7fff480012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:214
#2  0x00005555565387a5 in base::WaitableEvent::Wait (this=0x7fff4fffeabc) at ../../base/synchronization/waitable_event_posix.cc:154
#3  0x00005555565153b3 in base::MessagePumpDefault::Run (this=0x7fff480012c0, delegate=0x7fff480024a0) at ../../base/message_loop/message_pump_default.cc:52
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fff4fffebe0) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555654864b in base::Thread::ThreadMain (this=0x7fff6c1b37e0) at ../../base/threading/thread.cc:235
#7  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#8  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff4ffff700) at pthread_create.c:309
#9  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 34 (Thread 0x7fff5ae1f700 (LWP 13214)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000555556545a0d in base::SequencedWorkerPool::Inner::ThreadLoop (this=0x7fffa8005140, this_worker=0x7fffa80055a0) at ../../base/threading/sequenced_worker_pool.cc:845
#2  0x00005555565450e9 in base::SequencedWorkerPool::Worker::Run (this=0x7fffa80055a0) at ../../base/threading/sequenced_worker_pool.cc:520
#3  0x0000555556547e8b in base::SimpleThread::ThreadMain (this=0x7fffa80055a0) at ../../base/threading/simple_thread.cc:60
#4  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#5  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff5ae1f700) at pthread_create.c:309
#6  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 32 (Thread 0x7fff5bfff700 (LWP 13208)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000555556545a0d in base::SequencedWorkerPool::Inner::ThreadLoop (this=0x7fffa400c9e0, this_worker=0x7fffa403cff0) at ../../base/threading/sequenced_worker_pool.cc:845
#2  0x00005555565450e9 in base::SequencedWorkerPool::Worker::Run (this=0x7fffa403cff0) at ../../base/threading/sequenced_worker_pool.cc:520
#3  0x0000555556547e8b in base::SimpleThread::ThreadMain (this=0x7fffa403cff0) at ../../base/threading/simple_thread.cc:60
#4  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#5  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff5bfff700) at pthread_create.c:309
#6  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 31 (Thread 0x7fff68c76700 (LWP 13207)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x000055555656a673 in base::ConditionVariable::TimedWait (this=0x7fff68c75ad8, max_time=...) at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x00005555565388f9 in base::WaitableEvent::TimedWait (this=0x7fff540012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:212
#3  0x00005555565153a9 in base::MessagePumpDefault::Run (this=0x7fff540012c0, delegate=0x7fff54000940) at ../../base/message_loop/message_pump_default.cc:57
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fff68c75be0) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555654864b in base::Thread::ThreadMain (this=0x7fff6c038d90) at ../../base/threading/thread.cc:235
#7  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#8  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff68c76700) at pthread_create.c:309
#9  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 30 (Thread 0x7fff6affd700 (LWP 13206)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000555556538908 in base::WaitableEvent::TimedWait (this=0x7fff600012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:214
#2  0x00005555565387a5 in base::WaitableEvent::Wait (this=0x7fff6affcabc) at ../../base/synchronization/waitable_event_posix.cc:154
#3  0x00005555565153b3 in base::MessagePumpDefault::Run (this=0x7fff600012c0, delegate=0x7fff60000940) at ../../base/message_loop/message_pump_default.cc:52
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fff6affcbe0) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555654864b in base::Thread::ThreadMain (this=0x7fff6c04dde0) at ../../base/threading/thread.cc:235
#7  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#8  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff6affd700) at pthread_create.c:309
#9  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 29 (Thread 0x7fff6b7fe700 (LWP 13205)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000555556d6e659 in cc::TaskGraphRunner::Run (this=0x7fff6c01fbf0) at ../../cc/raster/task_graph_runner.cc:362
#2  0x0000555556547e8b in base::SimpleThread::ThreadMain (this=0x7fff6c01fdc0) at ../../base/threading/simple_thread.cc:60
#3  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#4  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff6b7fe700) at pthread_create.c:309
#5  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 28 (Thread 0x7fff6bfff700 (LWP 13204)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000555556d6e659 in cc::TaskGraphRunner::Run (this=0x7fff6c01fbf0) at ../../cc/raster/task_graph_runner.cc:362
#2  0x0000555556547e8b in base::SimpleThread::ThreadMain (this=0x7fff6c01f890) at ../../base/threading/simple_thread.cc:60
#3  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#4  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff6bfff700) at pthread_create.c:309
#5  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 27 (Thread 0x7fff84dda700 (LWP 13203)):
#0  0x00007ffff09c3653 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000555556571278 in epoll_dispatch (base=0x7fff70001330, arg=0x7fff70001220, tv=<optimized out>) at ../../third_party/libevent/epoll.c:198
#2  0x000055555656ed8f in event_base_loop (base=0x7fff70001330, flags=<optimized out>) at ../../third_party/libevent/event.c:504
#3  0x00005555564f0bb4 in base::MessagePumpLibevent::Run (this=0x7fff700012c0, delegate=0x7fff70000940) at ../../base/message_loop/message_pump_libevent.cc:260
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fff84dd9be0) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555654864b in base::Thread::ThreadMain (this=0x7fff6c0029f8) at ../../base/threading/thread.cc:235
#7  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#8  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff84dda700) at pthread_create.c:309
#9  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 26 (Thread 0x7fff855db700 (LWP 13202)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x000055555656a673 in base::ConditionVariable::TimedWait (this=0x7fff855daad8, max_time=...) at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x00005555565388f9 in base::WaitableEvent::TimedWait (this=0x7fff6c001190, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:212
#3  0x00005555565153a9 in base::MessagePumpDefault::Run (this=0x7fff6c001180, delegate=0x7fff6c0009f0) at ../../base/message_loop/message_pump_default.cc:57
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fff855dabe0) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555654864b in base::Thread::ThreadMain (this=0x55555cafcd10) at ../../base/threading/thread.cc:235
#7  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#8  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff855db700) at pthread_create.c:309
#9  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 24 (Thread 0x7fff867de700 (LWP 13200)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000555556f9b178 in mojo::system::Waiter::Wait (this=0x7fff867dd410, deadline=<optimized out>, context=0x7fff867dd52c) at ../../third_party/mojo/src/mojo/edk/system/waiter.cc:62
#2  0x0000555556f85f6b in mojo::system::Core::WaitManyInternal (this=<optimized out>, handles=<optimized out>, signals=<optimized out>, num_handles=31, deadline=18446744073709551615, result_index=0x7fff867dd52c, signals_states=<optimized out>) at ../../third_party/mojo/src/mojo/edk/system/core.cc:599
#3  0x0000555556f8626d in mojo::system::Core::WaitMany (this=0x55555c4e9210, handles=..., signals=..., num_handles=31, deadline=18446744073709551615, result_index=..., signals_states=...) at ../../third_party/mojo/src/mojo/edk/system/core.cc:176
#4  0x0000555556f83668 in MojoWaitMany (handles=<optimized out>, signals=<optimized out>, num_handles=4039712911, deadline=140735449781248, result_index=<optimized out>, signals_states=<optimized out>) at ../../third_party/mojo/src/mojo/edk/embedder/entrypoints.cc:39
#5  0x0000555556f7f72f in WaitMany<std::vector<mojo::Handle, std::allocator<mojo::Handle> >, std::vector<unsigned int, std::allocator<unsigned int> > > (handles=..., signals=..., deadline=<optimized out>, signals_states=<optimized out>) at ../../third_party/mojo/src/mojo/public/cpp/system/handle.h:265
#6  mojo::common::MessagePumpMojo::DoInternalWork (this=0x7fff78000ac0, run_state=..., block=<optimized out>) at ../../mojo/common/message_pump_mojo.cc:178
#7  0x0000555556f7f243 in mojo::common::MessagePumpMojo::DoRunLoop (this=<optimized out>, run_state=<optimized out>, delegate=<optimized out>) at ../../mojo/common/message_pump_mojo.cc:150
#8  0x0000555556f7f1af in mojo::common::MessagePumpMojo::Run (this=0x7fff78000ac0, delegate=0x7fff78000940) at ../../mojo/common/message_pump_mojo.cc:119
#9  0x0000555556525d2d in base::RunLoop::Run (this=0x7fff867ddbe0) at ../../base/run_loop.cc:55
#10 0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#11 0x000055555654864b in base::Thread::ThreadMain (this=0x55555c93a390) at ../../base/threading/thread.cc:235
#12 0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#13 0x00007ffff0c8e0a4 in start_thread (arg=0x7fff867de700) at pthread_create.c:309
#14 0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 23 (Thread 0x7fff875f4700 (LWP 13199)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x000055555656a673 in base::ConditionVariable::TimedWait (this=0x55555c5ec1d0, max_time=...) at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x00005555565459ef in base::SequencedWorkerPool::Inner::ThreadLoop (this=0x55555c5ec1a0, this_worker=0x7fffa401c4e0) at ../../base/threading/sequenced_worker_pool.cc:848
#3  0x00005555565450e9 in base::SequencedWorkerPool::Worker::Run (this=0x7fffa401c4e0) at ../../base/threading/sequenced_worker_pool.cc:520
#4  0x0000555556547e8b in base::SimpleThread::ThreadMain (this=0x7fffa401c4e0) at ../../base/threading/simple_thread.cc:60
#5  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#6  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff875f4700) at pthread_create.c:309
#7  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 22 (Thread 0x7fff87df5700 (LWP 13198)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x000055555656a673 in base::ConditionVariable::TimedWait (this=0x7fff87df4ad8, max_time=...) at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x00005555565388f9 in base::WaitableEvent::TimedWait (this=0x7fff7c0012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:212
#3  0x00005555565153a9 in base::MessagePumpDefault::Run (this=0x7fff7c0012c0, delegate=0x7fff7c000940) at ../../base/message_loop/message_pump_default.cc:57
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fff87df4be0) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555654864b in base::Thread::ThreadMain (this=0x55555c858380) at ../../base/threading/thread.cc:235
#7  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#8  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff87df5700) at pthread_create.c:309
#9  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 21 (Thread 0x7fff8d781700 (LWP 13196)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x000055555656a673 in base::ConditionVariable::TimedWait (this=0x55555c5ec1d0, max_time=...) at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x00005555565459ef in base::SequencedWorkerPool::Inner::ThreadLoop (this=0x55555c5ec1a0, this_worker=0x7fffc0001a50) at ../../base/threading/sequenced_worker_pool.cc:848
#3  0x00005555565450e9 in base::SequencedWorkerPool::Worker::Run (this=0x7fffc0001a50) at ../../base/threading/sequenced_worker_pool.cc:520
#4  0x0000555556547e8b in base::SimpleThread::ThreadMain (this=0x7fffc0001a50) at ../../base/threading/simple_thread.cc:60
#5  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#6  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff8d781700) at pthread_create.c:309
#7  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 20 (Thread 0x7fff91f83700 (LWP 13195)):
#0  0x00007ffff09ba53d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fffe41f5811 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007fffe41e6d51 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fffe41e73ee in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fffe41e74a0 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fffe41f57a6 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fffad3c4bf8 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-6.0.so
#7  0x00007ffff0c8e0a4 in start_thread (arg=0x7fff91f83700) at pthread_create.c:309
#8  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 19 (Thread 0x7fffadffb700 (LWP 13194)):
#0  0x00007ffff09c3653 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000555556571278 in epoll_dispatch (base=0x7fff98001330, arg=0x7fff98001220, tv=<optimized out>) at ../../third_party/libevent/epoll.c:198
#2  0x000055555656ed8f in event_base_loop (base=0x7fff98001330, flags=<optimized out>) at ../../third_party/libevent/event.c:504
#3  0x00005555564f0bb4 in base::MessagePumpLibevent::Run (this=0x7fff980012c0, delegate=0x7fff98000940) at ../../base/message_loop/message_pump_libevent.cc:260
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fffadffabe0) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555654864b in base::Thread::ThreadMain (this=0x7fff94002248) at ../../base/threading/thread.cc:235
#7  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#8  0x00007ffff0c8e0a4 in start_thread (arg=0x7fffadffb700) at pthread_create.c:309
#9  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 18 (Thread 0x7fffae7fc700 (LWP 13193)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x000055555656a673 in base::ConditionVariable::TimedWait (this=0x7fffae7fbad8, max_time=...) at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x00005555565388f9 in base::WaitableEvent::TimedWait (this=0x7fff940012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:212
#3  0x00005555565153a9 in base::MessagePumpDefault::Run (this=0x7fff940012c0, delegate=0x7fff94000940) at ../../base/message_loop/message_pump_default.cc:57
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fffae7fbbe0) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555654864b in base::Thread::ThreadMain (this=0x7fffa40162c0) at ../../base/threading/thread.cc:235
#7  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#8  0x00007ffff0c8e0a4 in start_thread (arg=0x7fffae7fc700) at pthread_create.c:309
#9  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 17 (Thread 0x7fffaeffd700 (LWP 13192)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x000055555656a673 in base::ConditionVariable::TimedWait (this=0x7fffaeffcad8, max_time=...) at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x00005555565388f9 in base::WaitableEvent::TimedWait (this=0x7fffa00012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:212
#3  0x00005555565153a9 in base::MessagePumpDefault::Run (this=0x7fffa00012c0, delegate=0x7fffa0000940) at ../../base/message_loop/message_pump_default.cc:57
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fffaeffcbe0) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555654864b in base::Thread::ThreadMain (this=0x55555c6c5bf0) at ../../base/threading/thread.cc:235
#7  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#8  0x00007ffff0c8e0a4 in start_thread (arg=0x7fffaeffd700) at pthread_create.c:309
#9  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 16 (Thread 0x7fffaf7fe700 (LWP 13191)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x000055555656a673 in base::ConditionVariable::TimedWait (this=0x7fffaf7fdad8, max_time=...) at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x00005555565388f9 in base::WaitableEvent::TimedWait (this=0x7fff9c0012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:212
#3  0x00005555565153a9 in base::MessagePumpDefault::Run (this=0x7fff9c0012c0, delegate=0x7fff9c000940) at ../../base/message_loop/message_pump_default.cc:57
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fffaf7fdbe0) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555654864b in base::Thread::ThreadMain (this=0x55555c6c4db0) at ../../base/threading/thread.cc:235
#7  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#8  0x00007ffff0c8e0a4 in start_thread (arg=0x7fffaf7fe700) at pthread_create.c:309
#9  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 15 (Thread 0x7fffaffff700 (LWP 13190)):
#0  ExtensionWebRequestEventRouter::OnAuthRequired(void*, extensions::InfoMap*, net::URLRequest*, net::AuthChallengeInfo const&, base::Callback<void (net::NetworkDelegate::AuthRequiredResponse)> const&, net::AuthCredentials*) (this=<optimized out>, browser_context=0x55555c6abcf0, extension_info_map=<optimized out>, request=0x7fffa42b1390, auth_info=..., callback=..., credentials=<optimized out>) at ../../extensions/browser/api/web_request/web_request_api.cc:966
#1  0x000055555626586e in (anonymous namespace)::ChromeExtensionsNetworkDelegateImpl::OnAuthRequired(net::URLRequest*, net::AuthChallengeInfo const&, base::Callback<void (net::NetworkDelegate::AuthRequiredResponse)> const&, net::AuthCredentials*) (this=0x7fffa401c0e0, request=0x7fffa42b74a8, auth_info=..., callback=..., credentials=0x7fffa42b1668) at ../../chrome/browser/net/chrome_extensions_network_delegate.cc:251
#2  0x000055555673b607 in net::URLRequest::NotifyAuthRequired (this=0x7fffa42b1390, auth_info=0x7fffa41b57a0) at ../../net/url_request/url_request.cc:1026
#3  0x000055555674359f in net::URLRequestJob::NotifyHeadersComplete (this=0x7fffa42b1820) at ../../net/url_request/url_request_job.cc:425
#4  0x0000555556741c55 in net::URLRequestFtpJob::HandleAuthNeededResponse (this=0x7fffa42b1820) at ../../net/url_request/url_request_ftp_job.cc:405
#5  0x0000555556741b16 in net::URLRequestFtpJob::OnStartCompleted (this=0x7fffa42b1820, result=<optimized out>) at ../../net/url_request/url_request_ftp_job.cc:227
#6  0x000055555669ac50 in Run (this=0x7fffa42b1b40, args=@0x6f43737574617473: <error reading variable>) at ../../base/callback.h:396
#7  DoCallback (this=<optimized out>, rv=1952543859) at ../../net/ftp/ftp_network_transaction.cc:358
#8  net::FtpNetworkTransaction::OnIOComplete (this=<optimized out>, result=<optimized out>) at ../../net/ftp/ftp_network_transaction.cc:364
#9  0x0000555556707c7e in Run (this=0x7fffa41fd170, args=<optimized out>) at ../../base/callback.h:396
#10 net::TCPClientSocket::DidCompleteReadWrite(base::Callback<void (int)> const&, int) (this=<optimized out>, callback=..., result=<optimized out>) at ../../net/socket/tcp_client_socket.cc:338
#11 0x000055555670911f in Run (this=0x7fffa402fd08, args=@0x6f43737574617473: <error reading variable>) at ../../base/callback.h:396
#12 net::TCPSocketLibevent::ReadCompleted(scoped_refptr<net::IOBuffer> const&, base::Callback<void (int)> const&, int) (this=<optimized out>, buf=..., callback=..., rv=-252297487) at ../../net/socket/tcp_socket_libevent.cc:580
#13 0x0000555556709fc8 in Run (args=<optimized out>, this=<optimized out>, object=<optimized out>, args=<optimized out>, args=<optimized out>) at ../../base/bind_internal.h:176
#14 MakeItSo (args=<optimized out>, runnable=..., args=<optimized out>, args=<optimized out>, args=<optimized out>) at ../../base/bind_internal.h:293
#15 base::internal::Invoker<IndexSequence<0ul, 1ul, 2ul>, base::internal::BindState<base::internal::RunnableAdapter<void (net::TCPSocketLibevent::*)(scoped_refptr<net::IOBuffer> const&, base::Callback<void (int)> const&, int)>, void (net::TCPSocketLibevent*, scoped_refptr<net::IOBuffer> const&, base::Callback<void (int)> const&, int), base::internal::TypeList<base::internal::UnretainedWrapper<net::TCPSocketLibevent>, scoped_refptr<net::IOBuffer>, base::Callback<void (int)> > >, base::internal::TypeList<base::internal::UnwrapTraits<base::internal::UnretainedWrapper<net::TCPSocketLibevent> >, base::internal::UnwrapTraits<scoped_refptr<net::IOBuffer> >, base::internal::UnwrapTraits<base::Callback<void (int)> > >, base::internal::InvokeHelper<false, void, base::internal::RunnableAdapter<void (net::TCPSocketLibevent::*)(scoped_refptr<net::IOBuffer> const&, base::Callback<void (int)> const&, int)>, base::internal::TypeList<net::TCPSocketLibevent*, net::IOBuffer*, base::Callback<void (int)> const&, int const&> >, void (int const&)>::Run(base::internal::BindStateBase*, int const&) (base=<optimized out>, unbound_args=@0x7fffafffe654: 64) at ../../base/bind_internal.h:343
#16 0x00005555567eb958 in Run (this=0x7fffa402fcd0, args=<optimized out>) at ../../base/callback.h:396
#17 net::SocketLibevent::ReadCompleted (this=<optimized out>) at ../../net/socket/socket_libevent.cc:433
#18 0x00005555564f06a8 in OnFileCanReadWithoutBlocking (this=0x7fffa41fcfa0, fd=318, pump=<optimized out>) at ../../base/message_loop/message_pump_libevent.cc:100
#19 base::MessagePumpLibevent::OnLibeventNotification (fd=318, flags=<optimized out>, context=<optimized out>) at ../../base/message_loop/message_pump_libevent.cc:360
#20 0x000055555656f097 in event_process_active (base=0x7fffa4001330) at ../../third_party/libevent/event.c:373
#21 event_base_loop (base=0x7fffa4001330, flags=<optimized out>) at ../../third_party/libevent/event.c:513
#22 0x00005555564f0a7e in base::MessagePumpLibevent::Run (this=0x7fffa40012c0, delegate=0x7fffa4000940) at ../../base/message_loop/message_pump_libevent.cc:237
#23 0x0000555556525d2d in base::RunLoop::Run (this=0x7fffafffe880) at ../../base/run_loop.cc:55
#24 0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#25 0x000055555872baf6 in content::BrowserThreadImpl::IOThreadRun (this=0x7fffa42b1390, message_loop=0x55555aab04ab <extension_web_request_api_constants::kStatusCodeKey>) at ../../content/browser/browser_thread_impl.cc:219
#26 0x000055555872bcbd in content::BrowserThreadImpl::Run (this=0x55555c6d56d0, message_loop=0x7fffa4000940) at ../../content/browser/browser_thread_impl.cc:254
#27 0x000055555654864b in base::Thread::ThreadMain (this=0x55555c6d56d0) at ../../base/threading/thread.cc:235
#28 0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#29 0x00007ffff0c8e0a4 in start_thread (arg=0x7fffaffff700) at pthread_create.c:309
#30 0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 14 (Thread 0x7fffc4829700 (LWP 13189)):
#0  0x00007ffff09c3653 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000555556571278 in epoll_dispatch (base=0x7fffa8001330, arg=0x7fffa8001220, tv=<optimized out>) at ../../third_party/libevent/epoll.c:198
#2  0x000055555656ed8f in event_base_loop (base=0x7fffa8001330, flags=<optimized out>) at ../../third_party/libevent/event.c:504
#3  0x00005555564f0b9c in base::MessagePumpLibevent::Run (this=0x7fffa80012c0, delegate=0x7fffa8000940) at ../../base/message_loop/message_pump_libevent.cc:270
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fffc4828880) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555872ba56 in content::BrowserThreadImpl::CacheThreadRun (this=0x27, message_loop=0x7fffa8001960) at ../../content/browser/browser_thread_impl.cc:213
#7  0x000055555872bc9a in content::BrowserThreadImpl::Run (this=0x55555c6d59a0, message_loop=0x7fffa8000940) at ../../content/browser/browser_thread_impl.cc:252
#8  0x000055555654864b in base::Thread::ThreadMain (this=0x55555c6d59a0) at ../../base/threading/thread.cc:235
#9  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#10 0x00007ffff0c8e0a4 in start_thread (arg=0x7fffc4829700) at pthread_create.c:309
#11 0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 13 (Thread 0x7fffc502a700 (LWP 13188)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000555556538908 in base::WaitableEvent::TimedWait (this=0x7fffb40012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:214
#2  0x00005555565387a5 in base::WaitableEvent::Wait (this=0x7fffc502975c) at ../../base/synchronization/waitable_event_posix.cc:154
#3  0x00005555565153b3 in base::MessagePumpDefault::Run (this=0x7fffb40012c0, delegate=0x7fffb4000940) at ../../base/message_loop/message_pump_default.cc:52
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fffc5029880) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555872b9b6 in content::BrowserThreadImpl::ProcessLauncherThreadRun (this=0x7fffc502975c, message_loop=0x80) at ../../content/browser/browser_thread_impl.cc:206
#7  0x000055555872bc8d in content::BrowserThreadImpl::Run (this=0x55555c6d5d90, message_loop=0x7fffb4000940) at ../../content/browser/browser_thread_impl.cc:250
#8  0x000055555654864b in base::Thread::ThreadMain (this=0x55555c6d5d90) at ../../base/threading/thread.cc:235
#9  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#10 0x00007ffff0c8e0a4 in start_thread (arg=0x7fffc502a700) at pthread_create.c:309
#11 0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (Thread 0x7fffc582b700 (LWP 13187)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000555556538908 in base::WaitableEvent::TimedWait (this=0x7fffb00012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:214
#2  0x00005555565387a5 in base::WaitableEvent::Wait (this=0x7fffc582a75c) at ../../base/synchronization/waitable_event_posix.cc:154
#3  0x00005555565153b3 in base::MessagePumpDefault::Run (this=0x7fffb00012c0, delegate=0x7fffb0000940) at ../../base/message_loop/message_pump_default.cc:52
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fffc582a880) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555872b916 in content::BrowserThreadImpl::FileUserBlockingThreadRun (this=0x7fffc582a75c, message_loop=0x80) at ../../content/browser/browser_thread_impl.cc:199
#7  0x000055555872bc66 in content::BrowserThreadImpl::Run (this=0x55555c6d6000, message_loop=0x7fffb0000940) at ../../content/browser/browser_thread_impl.cc:248
#8  0x000055555654864b in base::Thread::ThreadMain (this=0x55555c6d6000) at ../../base/threading/thread.cc:235
#9  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#10 0x00007ffff0c8e0a4 in start_thread (arg=0x7fffc582b700) at pthread_create.c:309
#11 0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (Thread 0x7fffc602c700 (LWP 13186)):
#0  0x00007ffff09c3653 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000555556571278 in epoll_dispatch (base=0x7fffbc001330, arg=0x7fffbc001220, tv=<optimized out>) at ../../third_party/libevent/epoll.c:198
#2  0x000055555656ed8f in event_base_loop (base=0x7fffbc001330, flags=<optimized out>) at ../../third_party/libevent/event.c:504
#3  0x00005555564f0b9c in base::MessagePumpLibevent::Run (this=0x7fffbc0012c0, delegate=0x7fffbc000940) at ../../base/message_loop/message_pump_libevent.cc:270
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fffc602b880) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555872b876 in content::BrowserThreadImpl::FileThreadRun (this=0x22, message_loop=0x7fffbc001960) at ../../content/browser/browser_thread_impl.cc:192
#7  0x000055555872bc59 in content::BrowserThreadImpl::Run (this=0x55555c6d6db0, message_loop=0x7fffbc000940) at ../../content/browser/browser_thread_impl.cc:246
#8  0x000055555654864b in base::Thread::ThreadMain (this=0x55555c6d6db0) at ../../base/threading/thread.cc:235
#9  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#10 0x00007ffff0c8e0a4 in start_thread (arg=0x7fffc602c700) at pthread_create.c:309
#11 0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7fffc682d700 (LWP 13185)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x000055555656a673 in base::ConditionVariable::TimedWait (this=0x7fffc682c778, max_time=...) at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x00005555565388f9 in base::WaitableEvent::TimedWait (this=0x7fffb80012d0, max_time=...) at ../../base/synchronization/waitable_event_posix.cc:212
#3  0x00005555565153a9 in base::MessagePumpDefault::Run (this=0x7fffb80012c0, delegate=0x7fffb8000940) at ../../base/message_loop/message_pump_default.cc:57
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fffc682c880) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555872b7d6 in content::BrowserThreadImpl::DBThreadRun (this=0x7fffc682c77c, message_loop=0x89) at ../../content/browser/browser_thread_impl.cc:185
#7  0x000055555872bc32 in content::BrowserThreadImpl::Run (this=0x55555c6d77d0, message_loop=0x7fffb8000940) at ../../content/browser/browser_thread_impl.cc:244
#8  0x000055555654864b in base::Thread::ThreadMain (this=0x55555c6d77d0) at ../../base/threading/thread.cc:235
#9  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#10 0x00007ffff0c8e0a4 in start_thread (arg=0x7fffc682d700) at pthread_create.c:309
#11 0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7fffc702e700 (LWP 13184)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x000055555656a673 in base::ConditionVariable::TimedWait (this=0x55555c5ec1d0, max_time=...) at ../../base/synchronization/condition_variable_posix.cc:102
#2  0x00005555565459ef in base::SequencedWorkerPool::Inner::ThreadLoop (this=0x55555c5ec1a0, this_worker=0x55555c6869d0) at ../../base/threading/sequenced_worker_pool.cc:848
#3  0x00005555565450e9 in base::SequencedWorkerPool::Worker::Run (this=0x55555c6869d0) at ../../base/threading/sequenced_worker_pool.cc:520
#4  0x0000555556547e8b in base::SimpleThread::ThreadMain (this=0x55555c6869d0) at ../../base/threading/simple_thread.cc:60
#5  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#6  0x00007ffff0c8e0a4 in start_thread (arg=0x7fffc702e700) at pthread_create.c:309
#7  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7fffe5149700 (LWP 13183)):
#0  0x00007ffff0c94add in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00005555561c7bcf in (anonymous namespace)::ShutdownDetector::ThreadMain (this=0x55555c5ec5b0) at ../../chrome/browser/chrome_browser_main_posix.cc:201
#2  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#3  0x00007ffff0c8e0a4 in start_thread (arg=0x7fffe5149700) at pthread_create.c:309
#4  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7fffe694c700 (LWP 13180)):
#0  0x00007ffff09bc2e3 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00005555564ffa51 in base::(anonymous namespace)::InotifyReaderCallback (reader=0x55555c352d98 <base::(anonymous namespace)::g_inotify_reader+8>, inotify_fd=23, shutdown_fd=<optimized out>) at ../../base/files/file_path_watcher_linux.cc:213
#2  0x00005555565652eb in Run (this=<optimized out>) at ../../base/callback.h:396
#3  base::debug::TaskAnnotator::RunTask (this=<optimized out>, queue_function=<optimized out>, run_function=<optimized out>, pending_task=...) at ../../base/debug/task_annotator.cc:62
#4  0x00005555565135c2 in base::MessageLoop::RunTask (this=0x7fffd0000940, pending_task=...) at ../../base/message_loop/message_loop.cc:444
#5  0x00005555565137b9 in base::MessageLoop::DeferOrRunPendingTask (this=0x7fffd0000940, pending_task=...) at ../../base/message_loop/message_loop.cc:454
#6  0x00005555565139cd in base::MessageLoop::DoWork (this=0x7fffd0000940) at ../../base/message_loop/message_loop.cc:566
#7  0x00005555565153ca in base::MessagePumpDefault::Run (this=0x7fffd00012c0, delegate=0x7fffd0000940) at ../../base/message_loop/message_pump_default.cc:32
#8  0x0000555556525d2d in base::RunLoop::Run (this=0x7fffe694bbe0) at ../../base/run_loop.cc:55
#9  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#10 0x000055555654864b in base::Thread::ThreadMain (this=0x55555c352de8 <base::(anonymous namespace)::g_inotify_reader+88>) at ../../base/threading/thread.cc:235
#11 0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#12 0x00007ffff0c8e0a4 in start_thread (arg=0x7fffe694c700) at pthread_create.c:309
#13 0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7fffe714d700 (LWP 13179)):
#0  0x00007ffff09c3653 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000555556571278 in epoll_dispatch (base=0x7fffdc001330, arg=0x7fffdc001220, tv=<optimized out>) at ../../third_party/libevent/epoll.c:198
#2  0x000055555656ed8f in event_base_loop (base=0x7fffdc001330, flags=<optimized out>) at ../../third_party/libevent/event.c:504
#3  0x00005555564f0bb4 in base::MessagePumpLibevent::Run (this=0x7fffdc0012c0, delegate=0x7fffdc000940) at ../../base/message_loop/message_pump_libevent.cc:260
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fffe714cbe0) at ../../base/run_loop.cc:55
#5  0x0000555556512d27 in base::MessageLoop::Run (this=<optimized out>) at ../../base/message_loop/message_loop.cc:303
#6  0x000055555654864b in base::Thread::ThreadMain (this=0x55555c5ed480) at ../../base/threading/thread.cc:235
#7  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#8  0x00007ffff0c8e0a4 in start_thread (arg=0x7fffe714d700) at pthread_create.c:309
#9  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fffe7ebb700 (LWP 13178)):
#0  0x00007ffff0c954c9 in __libc_waitpid (pid=13174, stat_loc=0x0, options=0) at ../sysdeps/unix/sysv/linux/waitpid.c:40
#1  0x000055555651f06d in WaitForChildToDie (this=<optimized out>) at ../../base/process/kill_posix.cc:162
#2  base::(anonymous namespace)::BackgroundReaper::ThreadMain (this=0x55555c4b93c0) at ../../base/process/kill_posix.cc:155
#3  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#4  0x00007ffff0c8e0a4 in start_thread (arg=0x7fffe7ebb700) at pthread_create.c:309
#5  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fffe86bc700 (LWP 13173)):
#0  0x00007ffff09ba53d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000555558802b12 in content::SandboxIPCHandler::Run (this=0x55555c508a10) at ../../content/browser/renderer_host/sandbox_ipc_linux.cc:91
#2  0x0000555556547f9e in base::DelegateSimpleThread::Run (this=0x55555c508a40) at ../../base/threading/simple_thread.cc:81
#3  0x0000555556547e8b in base::SimpleThread::ThreadMain (this=0x55555c508a40) at ../../base/threading/simple_thread.cc:60
#4  0x0000555556544b4c in base::(anonymous namespace)::ThreadFunc (params=<optimized out>) at ../../base/threading/platform_thread_posix.cc:77
#5  0x00007ffff0c8e0a4 in start_thread (arg=0x7fffe86bc700) at pthread_create.c:309
#6  0x00007ffff09c307d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7ffff7f9f9c0 (LWP 13169)):
#0  0x00007ffff09ba53d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007ffff74b8ebc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff74b8fcc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x0000555556564192 in base::MessagePumpGlib::Run (this=0x55555c5eab70, delegate=<optimized out>) at ../../base/message_loop/message_pump_glib.cc:309
#4  0x0000555556525d2d in base::RunLoop::Run (this=0x7fffffffdc10) at ../../base/run_loop.cc:55
#5  0x000055555622f819 in ChromeBrowserMainParts::MainMessageLoopRun (this=<optimized out>, result_code=<optimized out>) at ../../chrome/browser/chrome_browser_main.cc:1705
#6  0x000055555891dda4 in content::BrowserMainLoop::RunMainMessageLoopParts (this=0x55555c508510) at ../../content/browser/browser_main_loop.cc:887
#7  0x000055555872a71d in content::BrowserMainRunnerImpl::Run (this=0x55555c5071c0) at ../../content/browser/browser_main_runner.cc:209
#8  0x000055555872a294 in content::BrowserMain (parameters=...) at ../../content/browser/browser_main.cc:26
#9  0x00005555564c6e11 in content::ContentMainRunnerImpl::Run (this=0x55555c4e7320) at ../../content/app/content_main_runner.cc:783
#10 0x00005555564c5ca0 in content::ContentMain (params=...) at ../../content/app/content_main.cc:19
#11 0x0000555555f83ed8 in ChromeMain (argc=7, argv=0x7fffffffdec8) at ../../chrome/app/chrome_main.cc:66
#12 0x00007ffff08feb45 in __libc_start_main (main=0x555555f83e80 <main(int, char const**)>, argc=7, argv=0x7fffffffdec8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffdeb8) at libc-start.c:287
#13 0x0000555555f83d7e in _start ()
(gdb) quit
A debugging session is active.

	Inferior 1 [process 13169] will be killed.

Quit anyway? (y or n) 


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