webkit_tests failing on chromium.webkit/WebKit Linux ASAN

Type: build-failure

Builders failed on: 
- WebKit Linux ASAN: 
  https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20ASAN


This might be difficult.... stdio:

3:19:42.908 9908   ==4==ERROR: AddressSanitizer: use-after-poison on address 0x7efbcb2fce60 at pc 0x000007682f1a bp 0x7fff48ce2270 sp 0x7fff48ce2268
13:19:42.908 9908   READ of size 8 at 0x7efbcb2fce60 thread T0 (content_shell)
13:19:42.908 9908       #0 0x7682f19 in operator-> third_party/WebKit/Source/wtf/RefPtr.h:68:50
13:19:42.908 9908       #1 0x7682f19 in revokeAll third_party/WebKit/Source/wtf/WeakPtr.h:146:0
13:19:42.908 9908       #2 0x7683184 in ?? third_party/WebKit/Source/platform/Timer.cpp:124:22
13:19:42.908 9908       #3 0x4795951 in Run base/callback.h:56:12
13:19:42.908 9908       #4 0x4795951 in RunTask base/debug/task_annotator.cc:54:0
13:19:42.908 9908       #5 0x79d9f41 in ProcessTaskFromWorkQueue third_party/WebKit/Source/platform/scheduler/base/task_queue_manager.cc:316:19
13:19:42.908 9908       #6 0x79d647c in DoWork third_party/WebKit/Source/platform/scheduler/base/task_queue_manager.cc:215:13
13:19:42.908 9908       #7 0x4795951 in Run base/callback.h:56:12
13:19:42.908 9908       #8 0x4795951 in RunTask base/debug/task_annotator.cc:54:0
13:19:42.908 9908       #9 0x466e334 in RunTask base/message_loop/message_loop.cc:488:19
13:19:42.908 9908       #10 0x466ef35 in DeferOrRunPendingTask base/message_loop/message_loop.cc:497:5
13:19:42.908 9908       #11 0x4670598 in DoDelayedWork base/message_loop/message_loop.cc:660:10
13:19:42.908 9908       #12 0x4676761 in Run base/message_loop/message_pump_default.cc:39:27
13:19:42.908 9908       #13 0x46bea56 in Run base/run_loop.cc:35:10
13:19:42.909 9908       #14 0x72206cf in RendererMain content/renderer/renderer_main.cc:198:23
13:19:42.909 9908       #15 0x34eae9c in RunZygote content/app/content_main_runner.cc:343:14
13:19:42.909 9908       #16 0x34edd3c in Run content/app/content_main_runner.cc:786:12
13:19:42.909 9908       #17 0x34d969a in ContentMain content/app/content_main.cc:20:28
13:19:42.909 9908       #18 0x51423d in main content/shell/app/shell_main.cc:48:10
13:19:42.909 9908       #19 0x7f16e9f8676c in __libc_start_main /build/eglibc-rrybNj/eglibc-2.15/csu/libc-start.c:226:0