Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.

Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/b993e42cacf1ed4454b4df62dfacf8eee2bec869 (Move Blink Sandbox IPC to Mojo Calls).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.

ClusterFuzz has detected this issue as fixed in range 572707:572709.

Detailed report: https://clusterfuzz.com/testcase?key=4596668268544000

Fuzzer: miaubiz_css_fuzzer
Job Type: linux_ubsan_vptr_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  content::RendererBlinkPlatformImpl::SandboxSupport::GetWebFontRenderStyleForStri
  blink::FontPlatformData::QuerySystemRenderStyle
  blink::FontPlatformData::FontPlatformData
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=572539:572540
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_chrome&range=572707:572709

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4596668268544000

Additional requirements: Requires Gestures

See https://github.com/google/clusterfuzz-tools for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

ClusterFuzz testcase 4596668268544000 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/793a52467d72ef505d22295363fc80369c620898

commit 793a52467d72ef505d22295363fc80369c620898
Author: Dominik Röttsches <drott@chromium.org>
Date: Fri Jul 06 11:22:39 2018

Do not access results of RenderStyleForStrike if none was found

Equivalent to what we do when we do not find a fallback font. Fixes the
fact that the return value of the FontRenderStyleForStrike function was
disregarded.

Bug:  860281 
Change-Id: Ib70e7ec819c132590416e9831635a19ae7ff17e5
Reviewed-on: https://chromium-review.googlesource.com/1127622
Reviewed-by: Emil A Eklund <eae@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Dominik Röttsches <drott@chromium.org>
Cr-Commit-Position: refs/heads/master@{#572939}
[modify] https://crrev.com/793a52467d72ef505d22295363fc80369c620898/content/child/child_process_sandbox_support_impl_linux.cc