google-chrome-stable-78.0.3904.108-1.x86_64 very unstable

[Tomasz Kłoczko]

Linux x6_64, latest gnome ..

Just upgraded to 78.0.3904.108-1 and seems like it is very unstable (random tabs are constantly dying).

After starting from gnome-terminal I see a lot of warnings:

$ google-chrome-stable 
Fontconfig warning: "/usr/share/fontconfig/conf.avail/05-reset-dirs-sample.conf", line 6: unknown element "reset-dirs"
[9863:9863:1121/155957.892870:ERROR:sandbox_linux.cc(369)] InitializeSandbox() called with multiple threads in process gpu-process.
../../sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc:**CRASHING**:seccomp-bpf failure in syscall 0230
[10136:1:1121/160006.141480:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10136:1:1121/160006.142239:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10136:1:1121/160006.144145:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10136:1:1121/160006.144855:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[9863:9863:1121/160011.776941:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 1 times!
Fontconfig error: Cannot load default config file
[9863:9863:1121/160011.920546:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 2 times!
[9863:9863:1121/160011.921566:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 3 times!
[9863:9863:1121/160011.925455:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 4 times!
[9863:9863:1121/160018.604869:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 5 times!
[9863:9863:1121/160018.605123:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 6 times!
[10282:1:1121/160018.665817:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160018.666746:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160018.667788:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160018.668420:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160018.669783:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160018.670448:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160019.139150:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160019.139781:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160019.141627:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160019.142232:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[9863:9863:1121/160020.002166:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 7 times!
[9863:9863:1121/160020.020793:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 8 times!
[10282:1:1121/160021.142221:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160021.142898:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[9863:9863:1121/160024.990102:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 9 times!
[9863:9863:1121/160024.994258:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 10 times!
[9863:9863:1121/160024.997249:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 11 times!
[9863:9863:1121/160025.005011:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 12 times!
[10325:1:1121/160026.886640:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10325:1:1121/160026.887532:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[9863:9863:1121/160027.302875:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 13 times!
[9863:9863:1121/160027.304769:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 14 times!
[9863:9863:1121/160027.305315:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 15 times!
[9863:9863:1121/160027.306538:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 16 times!
[9863:9863:1121/160027.321388:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 17 times!
[9863:9863:1121/160027.322155:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 18 times!
[10282:1:1121/160027.564951:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160027.572250:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160027.573852:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160027.574940:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160028.195316:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160028.203934:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160028.227556:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10282:1:1121/160028.228429:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10325:1:1121/160028.450261:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10325:1:1121/160028.451086:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[9863:9863:1121/160030.562572:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 19 times!
[10415:1:1121/160031.789732:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10415:1:1121/160031.790368:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10415:1:1121/160031.875788:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10415:1:1121/160031.876645:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10340:1:1121/160033.736730:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10340:1:1121/160033.737934:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10340:1:1121/160033.739761:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10340:1:1121/160033.740378:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10540:1:1121/160052.458390:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10540:1:1121/160052.460997:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10540:1:1121/160052.463525:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10540:1:1121/160052.464597:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
../../sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc:**CRASHING**:seccomp-bpf failure in syscall 0230
../../sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc:**CRASHING**:seccomp-bpf failure in syscall 0230
[10612:1:1121/160158.759662:ERROR:batching_media_log.cc(26)] MediaEvent: MEDIA_ERROR_LOG_ENTRY {"error":"MediaSource endOfStream before demuxer initialization completes (before HAVE_METADATA) is treated as an error. This may also occur as consequence of other MediaSource errors before HAVE_METADATA."}
[10612:1:1121/160158.768730:ERROR:batching_media_log.cc(26)] MediaEvent: MEDIA_ERROR_LOG_ENTRY {"error":"MediaSource endOfStream before demuxer initialization completes (before HAVE_METADATA) is treated as an error. This may also occur as consequence of other MediaSource errors before HAVE_METADATA."}
../../sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc:**CRASHING**:seccomp-bpf failure in syscall ../../sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc:**CRASHING**:seccomp-bpf failure in syscall ../../sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc:**CRASHING**:seccomp-bpf failure in syscall 023002300230
../../sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc:**CRASHING**:seccomp-bpf failure in syscall 0230
../../sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc:**CRASHING**:seccomp-bpf failure in syscall 0230
../../sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc:**CRASHING**:seccomp-bpf failure in syscall 0230
../../sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc:**CRASHING**:seccomp-bpf failure in syscall 0230
[9863:9863:1121/160319.964504:ERROR:gl_surface_presentation_helper.cc(259)] GetVSyncParametersIfAvailable() failed for 256 times!
../../sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc:**CRASHING**:seccomp-bpf failure in syscall 0230
../../sandbox/linux/seccomp-bpf-helpers/sigsys_handlers.cc:**CRASHING**:seccomp-bpf failure in syscall 0230
[10845:1:1121/160407.590900:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10845:1:1121/160407.591721:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10845:1:1121/160407.663600:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10845:1:1121/160407.664426:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10845:1:1121/160407.855885:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10845:1:1121/160407.856755:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10845:1:1121/160409.935326:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10845:1:1121/160409.935947:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10845:1:1121/160409.970953:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.
[10845:1:1121/160409.971939:ERROR:child_process_sandbox_support_impl_linux.cc(81)] FontService unique font name matching request did not receive a response.

Is it anything what I can do to diagnose the issue?

kloczek

-- 

Tomasz Kłoczko |  LinkedIn: http://lnkd.in/FXPWxH

[Yuta Kitamura]

If you can enable crash reports and tell us a few crash report IDs that can be seen at about:crashes, we may be able to understand further details.

From your logs, seccomp crashes for syscall 230 (clock_nanosleep) do sound suspicious, but I can't really tell how and why they happen.

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[Tomasz Kłoczko]

On Fri, 22 Nov 2019 at 02:36, Yuta Kitamura <yu...@chromium.org> wrote:

If you can enable crash reports and tell us a few crash report IDs that can be seen at about:crashes, we may be able to understand further details.

From your logs, seccomp crashes for syscall 230 (clock_nanosleep) do sound suspicious, but I can't really tell how and why they happen.

Problem is that google does not provide debuginfo packages. So all what I can do is:

# coredumpctl gdb 27275

           PID: 27275 (chrome)
           UID: 1000 (tkloczko)
           GID: 1000 (tkloczko)
        Signal: 11 (SEGV)
     Timestamp: Fri 2019-11-22 03:22:38 GMT (42min ago)
  Command Line: /opt/google/chrome/chrome --type=renderer --field-trial-handle=16115481437580770021,6738101659155896109,131072 --lang=en-GB --enable-crash-reporter=2b376d7c-6eca-422f-b32f-76fdccd40eb3, --enable-auto-reload --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=1635829294591106246 --renderer-client-id=370 --no-v8-untrusted-code-mitigations --shared-files=v8_context_snapshot_data:100,v8_natives_data:101
    Executable: /opt/google/chrome/chrome
 Control Group: /user.slice/user-1000.slice/session-1.scope
          Unit: session-1.scope
         Slice: user-1000.slice
       Session: 1
     Owner UID: 1000 (tkloczko)
       Boot ID: f9702be6da2e4f6a9ec04184b4fa1e69
    Machine ID: d96d6c48739a499a8aff4b219e228447
      Hostname: domek
       Storage: /var/lib/systemd/coredump/core.chrome.1000.f9702be6da2e4f6a9ec04184b4fa1e69.27275.1574392958000000000000.lz4
       Message: Process 27275 (chrome) of user 1000 dumped core.
                
                Stack trace of thread 12:
                #0  0x000055da70eb871d n/a (chrome)
                #1  0x000055da70ebc117 n/a (chrome)
                #2  0x00007febee9b5b20 __restore_rt (libpthread.so.0)
                #3  0x00007febed51b5a1 clock_nanosleep@@GLIBC_2.17 (libc.so.6)
                #4  0x00007febed520f77 __nanosleep (libc.so.6)
                #5  0x000055da6f78e17b n/a (chrome)
                #6  0x000055da6f792af8 n/a (chrome)
                #7  0x000055da70dc6bdc n/a (chrome)
                #8  0x000055da6e64e2a8 n/a (chrome)
                #9  0x000055da6f88ff8d n/a (chrome)
                #10 0x000055da6f896498 n/a (chrome)
                #11 0x000055da6f8960f5 n/a (chrome)
                #12 0x000055da6f88e9d4 n/a (chrome)
                #13 0x000055da6f88f0e9 n/a (chrome)
                #14 0x000055da6f8a4934 n/a (chrome)
                #15 0x000055da6f72eb6a n/a (chrome)
                #16 0x000055da6f74b652 n/a (chrome)
                #17 0x000055da6f74afef n/a (chrome)
                #18 0x000055da6f78df9b n/a (chrome)
                #19 0x000055da6f74ab6e n/a (chrome)
                #20 0x000055da6f751491 n/a (chrome)
                #21 0x000055da6f7512e4 n/a (chrome)
                #22 0x000055da6f78e698 n/a (chrome)
                #23 0x00007febee9aa482 start_thread (libpthread.so.0)
                #24 0x00007febed554443 __clone (libc.so.6)
                
                Stack trace of thread 9:
                #0  0x00007febee9b0de5 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
                #1  0x000055da6f78aa52 n/a (chrome)
                #2  0x000055da73c6d2ef n/a (chrome)
                #3  0x000055da6f78e698 n/a (chrome)
                #4  0x00007febee9aa482 start_thread (libpthread.so.0)
                #5  0x00007febed554443 __clone (libc.so.6)
                
                Stack trace of thread 8:
                #0  0x00007febee9b0de5 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
                #1  0x000055da6f78aa52 n/a (chrome)
                #2  0x000055da73c6d2ef n/a (chrome)
                #3  0x000055da6f78e698 n/a (chrome)
                #4  0x00007febee9aa482 start_thread (libpthread.so.0)
                #5  0x00007febed554443 __clone (libc.so.6)
                
                Stack trace of thread 16:
                #0  0x00007febee9b0de5 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
                #1  0x000055da6f78aa52 n/a (chrome)
                #2  0x000055da6f78b129 n/a (chrome)
                #3  0x000055da6f78af7f n/a (chrome)
                #4  0x000055da6f6f9cf5 n/a (chrome)
                #5  0x000055da6f73fe25 n/a (chrome)
                #6  0x000055da6f719805 n/a (chrome)
                #7  0x000055da6f754cee n/a (chrome)
                #8  0x000055da6f78e698 n/a (chrome)
                #9  0x00007febee9aa482 start_thread (libpthread.so.0)
                #10 0x00007febed554443 __clone (libc.so.6)
                
                Stack trace of thread 11:
                #0  0x00007febee9b110a pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
                #1  0x000055da6f78ab90 n/a (chrome)
                #2  0x000055da6f78b100 n/a (chrome)
                #3  0x000055da6f750cec n/a (chrome)
                #4  0x000055da6f751574 n/a (chrome)
                #5  0x000055da6f7512b4 n/a (chrome)
                #6  0x000055da6f78e698 n/a (chrome)
                #7  0x00007febee9aa482 start_thread (libpthread.so.0)
                #8  0x00007febed554443 __clone (libc.so.6)
                
                Stack trace of thread 35:
                #0  0x00007febee9b110a pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0)
                #1  0x000055da6f78ab90 n/a (chrome)
                #2  0x000055da6f78b100 n/a (chrome)
                #3  0x000055da6f750cec n/a (chrome)
                #4  0x000055da6f751574 n/a (chrome)
                #5  0x000055da6f7512b4 n/a (chrome)
                #6  0x000055da6f78e698 n/a (chrome)
                #7  0x00007febee9aa482 start_thread (libpthread.so.0)
                #8  0x00007febed554443 __clone (libc.so.6)
                
                Stack trace of thread 60:
                #0  0x00007febee9b490c read (libpthread.so.0)
                #1  0x000055da6f783a2e n/a (chrome)
                #2  0x000055da6f78a606 n/a (chrome)
                #3  0x000055da6d65b806 n/a (chrome)
                #4  0x000055da6f78e698 n/a (chrome)
                #5  0x00007febee9aa482 start_thread (libpthread.so.0)
                #6  0x00007febed554443 __clone (libc.so.6)
                
                Stack trace of thread 61:
                #0  0x00007febee9b0de5 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
                #1  0x000055da703594f2 n/a (chrome)

GNU gdb (GDB) Fedora 9.0.50.20191018-1.fc32
Copyright (C) 2019 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /opt/google/chrome/chrome...
(No debugging symbols found in /opt/google/chrome/chrome)
[New LWP 12]
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warning: .dynamic section for "/lib64/libtasn1.so.6" is not at the expected address (wrong library or version mismatch?)
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".

warning: Loadable section "" outside of ELF segments
BFD: /opt/google/chrome/WidevineCdm/_platform_specific/linux_x64/libwidevinecdm.so: version count (402) does not match symbol count (401)
 google-chrome-stable-78.0.3904.108-1.x86_64
--Type <RET> for more, q to quit, c to continue without paging--
Missing separate debuginfos, use: dnf debuginfo-installCore was generated by `/opt/google/chrome/chrome --type=rendere'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x000055da70eb871d in ?? ()
[Current thread is 1 (Thread 0x7febd677f700 (LWP 12))]
(gdb) bt full
#0  0x000055da70eb871d in  ()
#1  0x00007febd677f568 in  ()
#2  0x0000000000000001 in  ()
#3  0x00007febd677d530 in  ()
#4  0x000055da70ebc117 in  ()
#5  0x00007febd677d4a0 in  ()
#6  0x000055da6d9a668f in  ()
#7  0x45ebdc92c5c7c100 in  ()
#8  0xc000003e000000e6 in  ()
#9  0x00007febed51b5a1 in clock_nanosleep@GLIBC_2.2.5 () at /lib64/libc.so.6
#10 0x0000000000000001 in  ()
#11 0x0000000000000000 in  ()
(gdb) 

glibc is from cureent Fedora rawhide (glibc-2.30.9000-19.fc32.x86_64)

SElinux is in enforcing mode.

[Yuta Kitamura]

We do not distribute debug symbols of Google Chrome for Linux (we also use sandbox and it messes up usual debugging methods anyway).

google-chrome has its builtin crash reporting system, so try the following:

1. In settings, choose "Sync and Google services" and enable "Help improve Chrome's features and performance".

2. Trigger crashes.

3. Navigate to about:crashes, and tell us some crash IDs shown there.

[Tomasz Kłoczko]

OK here is last few entries from ~/.config/google-chrome/Crash Reports/uploads.log:

1574419150,9e7f40fb9a2a89c7
1574419207,e5cab7a562f39dee
1574419426,f3eaa909a3a9f780
1574419448,e8f9315cb7284991
1574419547,7b85c9e157915190
1574419588,ba101013c2256877
1574419648,1050c4aa27ef6069
1574419704,9b0c6627a67826a2
1574420127,7d3234f573760c2c
1574420522,ea8685e69d95fa32
1574420526,404788e1d33ee7f3
1574420553,e2e2be44cbe6f66f

kloczek

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Tomasz Kłoczko | LinkedIn: http://lnkd.in/FXPWxH

[Shane Hansen]

This might also be relevant. https://bugzilla.redhat.com/show_bug.cgi?id=1773289

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[Torne (Richard Coles)]

It's failing on __NR_clock_nanosleep called from this stack:

0x000056184ac6e71d (chrome -sigsys_handlers.cc:218 ) sandbox::CrashSIGSYS_Handler(sandbox::arch_seccomp_data const&, void*)
0x000056184ac72116 (chrome -trap.cc:244 ) sandbox::Trap::SigSys(int, siginfo_t*, ucontext_t*)
0x00007f4f64039b1f (libpthread-2.30.9000.so + 0x00014b1f )
0x0000561849548af7 (chrome -spin_lock.cc:97 ) base::subtle::SpinLock::LockSlow()
0x000056184ab7cbdb (chrome -spin_lock.h:34 ) WTF::Partitions::BufferFree(void*)

We're calling nanosleep() and expecting that will be __NR_nanosleep but your libpthread is using __NR_clock_nanosleep instead which isn't whitelisted.

This is crbug.com/1025739

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[Lei Zhang]

Hi Tomasz,

I filed https://crbug.com/1027568 for this issue, but it looks like
I'm about to mark it as a duplicate.

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[François Degros]

Maybe some seccomp policy got out of date?

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