[5802:5802:0408/042800.599702:WARNING:sandbox/policy/linux/sandbox_linux.cc:404] InitializeSandbox() called with multiple threads in process gpu-process.
[5768:5768:0408/042803.480754:INFO:CONSOLE:13] "RENDERER: WebKit WebGL", source: http://127.0.0.1:28123/poc.html (13)
[5768:5768:0408/042803.480954:INFO:CONSOLE:13] "VENDOR:   WebKit", source: http://127.0.0.1:28123/poc.html (13)
[5768:5768:0408/042803.627445:INFO:CONSOLE:13] "FBO status: 0x8cd5 (COMPLETE)", source: http://127.0.0.1:28123/poc.html (13)
[5768:5768:0408/042803.627863:INFO:CONSOLE:13] "Calling gl.clear(STENCIL_BUFFER_BIT) with writemask=0x0F, valuemask=0x0F ...", source: http://127.0.0.1:28123/poc.html (13)
[5802:5802:0408/042803.953308:ERROR:ui/gl/angle_platform_impl.cc:47] Framebuffer.cpp:2548 (ensureClearAttachmentsInitialized): POC: robust-resource-init BYPASS reached. stencilWritemask=0xf stencilBackWritemask=0xf stencilValueMask=0xf stencilBackValueMask=0xf -- partialClearNeedsInit() returned false; uninitialized stencil bits 4-7 are about to be marked Initialized and exposed to web content.
FATAL: Framebuffer.cpp:2548 (ensureClearAttachmentsInitialized): POC: robust-resource-init BYPASS reached. stencilWritemask=0xf stencilBackWritemask=0xf stencilValueMask=0xf stencilBackValueMask=0xf -- partialClearNeedsInit() returned false; uninitialized stencil bits 4-7 are about to be marked Initialized and exposed to web content.
[0408/042804.032705:ERROR:third_party/crashpad/crashpad/util/file/file_io_posix.cc:145] open /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq: No such file or directory (2)
[0408/042804.033043:ERROR:third_party/crashpad/crashpad/util/file/file_io_posix.cc:145] open /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq: No such file or directory (2)
Received signal 4 ILL_ILLOPN 7b10ac495ab2
#0 0x55b16ecd79f6 (/chromium/chromium/src/out/asan/chrome+0x10d769f5)
#1 0x55b186eeba98 (/chromium/chromium/src/out/asan/chrome+0x28f8aa97)
#2 0x55b186ea9327 (/chromium/chromium/src/out/asan/chrome+0x28f48326)
#3 0x55b186eeae9f (/chromium/chromium/src/out/asan/chrome+0x28f89e9e)
#4 0x7f10b5840050 (/usr/lib/x86_64-linux-gnu/libc.so.6+0x3c04f)
#5 0x7b10ac495ab2 <unknown>
#6 0x7b10aaf1bd3d <unknown>
#7 0x7b10aae898d1 <unknown>
#8 0x55b18aace469 (/chromium/chromium/src/out/asan/chrome+0x2cb6d468)
#9 0x55b19076afa6 (/chromium/chromium/src/out/asan/chrome+0x32809fa5)
#10 0x55b1907226e6 (/chromium/chromium/src/out/asan/chrome+0x327c16e5)
#11 0x55b179e8a815 (/chromium/chromium/src/out/asan/chrome+0x1bf29814)
#12 0x55b1901ef08c (/chromium/chromium/src/out/asan/chrome+0x3228e08b)
#13 0x55b1901ee2f2 (/chromium/chromium/src/out/asan/chrome+0x3228d2f1)
#14 0x55b1902113dd (/chromium/chromium/src/out/asan/chrome+0x322b03dc)
#15 0x55b19021f3c8 (/chromium/chromium/src/out/asan/chrome+0x322be3c7)
#16 0x55b19021f1aa (/chromium/chromium/src/out/asan/chrome+0x322be1a9)
#17 0x55b179ecd212 (/chromium/chromium/src/out/asan/chrome+0x1bf6c211)
#18 0x55b179ea1958 (/chromium/chromium/src/out/asan/chrome+0x1bf40957)
#19 0x55b179e9f989 (/chromium/chromium/src/out/asan/chrome+0x1bf3e988)
#20 0x55b179ea3572 (/chromium/chromium/src/out/asan/chrome+0x1bf42571)
#21 0x55b186d1f327 (/chromium/chromium/src/out/asan/chrome+0x28dbe326)
#22 0x55b186d969ca (/chromium/chromium/src/out/asan/chrome+0x28e359c9)
#23 0x55b186d9583b (/chromium/chromium/src/out/asan/chrome+0x28e3483a)
#24 0x55b186bdd928 (/chromium/chromium/src/out/asan/chrome+0x28c7c927)
#25 0x55b186d980d8 (/chromium/chromium/src/out/asan/chrome+0x28e370d7)
#26 0x55b186c99ca1 (/chromium/chromium/src/out/asan/chrome+0x28d38ca0)
#27 0x55b192589248 (/chromium/chromium/src/out/asan/chrome+0x34628247)
#28 0x55b182838876 (/chromium/chromium/src/out/asan/chrome+0x248d7875)
#29 0x55b18283b729 (/chromium/chromium/src/out/asan/chrome+0x248da728)
#30 0x55b182835102 (/chromium/chromium/src/out/asan/chrome+0x248d4101)
#31 0x55b1828356fd (/chromium/chromium/src/out/asan/chrome+0x248d46fc)
#32 0x55b16ed6ab3a (/chromium/chromium/src/out/asan/chrome+0x10e09b39)
#33 0x7f10b582b24a (/usr/lib/x86_64-linux-gnu/libc.so.6+0x27249)
#34 0x7f10b582b305 (/usr/lib/x86_64-linux-gnu/libc.so.6+0x27304)
#35 0x55b16ec9002a (/chromium/chromium/src/out/asan/chrome+0x10d2f029)
  r8: 000055b1a7d71ff0  r9: 00007fffffffff01 r10: 00007fffffffff01 r11: 0000000000000201
 r12: 00007b30b37e7a50 r13: 00007d80b382b9ac r14: 00007b10b2663420 r15: 00000f66166fcf4a
  di: 00007b10b22e7000  si: 0000000000000001  bp: 00007ffffd6e3010  bx: 00007ffffd6e2f80
  dx: 00007f10b4284000  ax: 00007f10b4294000  cx: 0000000000000000  sp: 00007ffffd6e2f80
  ip: 00007b10ac495ab2 efl: 0000000000010206 cgf: 002b000000000033 erf: 0000000000000000
 trp: 0000000000000006 msk: 0000000000000000 cr2: 0000000000000000
[end of stack trace]
[5885:5885:0408/042804.244436:ERROR:gpu/ipc/client/command_buffer_proxy_impl.cc:488] GPU state invalid after WaitForGetOffsetInRange.
[5768:5768:0408/042804.248566:ERROR:content/browser/gpu/gpu_process_host.cc:999] GPU process exited unexpectedly: exit_code=4
[5768:5768:0408/042804.248649:WARNING:content/browser/gpu/gpu_process_host.cc:1441] The GPU process has crashed 1 time(s)
[5768:5768:0408/042804.305352:INFO:CONSOLE:13] "LINK FAIL: ", source: http://127.0.0.1:28123/poc.html (13)
[5768:5768:0408/042804.349493:INFO:CONSOLE:137] "WebGL: CONTEXT_LOST_WEBGL: loseContext: context lost", source: http://127.0.0.1:28123/poc.html (137)
[5907:5907:0408/042804.879781:WARNING:sandbox/policy/linux/sandbox_linux.cc:404] InitializeSandbox() called with multiple threads in process gpu-process.