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/+/e7e9abbb51309caae63f0df4754f5f633bc3da77 (Deeper plumbing of CanvasResource into canvas and OffscreenCanvas).

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.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/bbe5f565a47a630f2be78104a66aefad03a45cfd

commit bbe5f565a47a630f2be78104a66aefad03a45cfd
Author: Justin Novosad <junov@chromium.org>
Date: Mon Jul 23 23:37:29 2018

Add missing null check in OffscreenCanvas::Commit

BUG= 866241 

Change-Id: Ic789573da753fe1e438778d777556a659fbf0ba9
Reviewed-on: https://chromium-review.googlesource.com/1147460
Reviewed-by: Fernando Serboncini <fserb@chromium.org>
Commit-Queue: Justin Novosad <junov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#577322}
[modify] https://crrev.com/bbe5f565a47a630f2be78104a66aefad03a45cfd/third_party/blink/renderer/core/offscreencanvas/offscreen_canvas.cc

ClusterFuzz has detected this issue as fixed in range 577283:577299.

Detailed report: https://clusterfuzz.com/testcase?key=6637154776907776

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::OffscreenCanvas::Commit
  blink::OffscreenCanvasRenderingContext2D::commit
  v8::internal::FunctionCallbackArguments::Call
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=576704:576705
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=577283:577299

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6637154776907776

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 6637154776907776 is verified as fixed, so closing issue as verified.

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

Your change meets the bar and is auto-approved for M69. Please go ahead and merge the CL to branch 3497 manually. Please contact milestone owner if you have questions.
Owners: amineer@(Android), kariahda@(iOS), cindyb@(ChromeOS), govind@(Desktop)

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c931d0661ae28878bfdddb9b407794ed736c00af

commit c931d0661ae28878bfdddb9b407794ed736c00af
Author: Justin Novosad <junov@chromium.org>
Date: Wed Jul 25 15:20:32 2018

Add missing null check in OffscreenCanvas::Commit

BUG= 866241 
TBR=junov@chromium.org

(cherry picked from commit bbe5f565a47a630f2be78104a66aefad03a45cfd)

Change-Id: Ic789573da753fe1e438778d777556a659fbf0ba9
Reviewed-on: https://chromium-review.googlesource.com/1147460
Reviewed-by: Fernando Serboncini <fserb@chromium.org>
Commit-Queue: Justin Novosad <junov@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#577322}
Reviewed-on: https://chromium-review.googlesource.com/1150207
Reviewed-by: Justin Novosad <junov@chromium.org>
Cr-Commit-Position: refs/branch-heads/3497@{#70}
Cr-Branched-From: 271eaf50594eb818c9295dc78d364aea18c82ea8-refs/heads/master@{#576753}
[modify] https://crrev.com/c931d0661ae28878bfdddb9b407794ed736c00af/third_party/blink/renderer/core/offscreencanvas/offscreen_canvas.cc