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

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

Predator and CL could not provide any possible suspects.
Using the code search for the file, “CompositeEditCommand.cpp” assigning to concern owner from GIT revision log.

Suspecting Commit#
https://chromium.googlesource.com/chromium/src/+/3fbe9a95423930b2c3c592551d57446c76c924ad

@tanvir.rizvi -- Could you please look into this issue, kindly reassign if it has nothing to do with your changes.
Thank You.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/4306d8180795bb89b22ccec20c6ff9a1b2acfaa1

commit 4306d8180795bb89b22ccec20c6ff9a1b2acfaa1
Author: tanvir.rizvi <tanvir.rizvi@samsung.com>
Date: Fri Nov 17 17:13:08 2017

[ClusterFuzz] crash in replaceSelectionCommand

ReplaceSelectionCommand crashes if InsertHTML content have
trailing non visible content.
This happens as the nextAncesstorSibling comes as null
This CL does the safety check to prevent the crash
observed in this scenario.

Bug:  781282 
Change-Id: Ibb886956dafcdfaadac4dd2ee6b6c1ef70ad8340
Reviewed-on: https://chromium-review.googlesource.com/768550
Commit-Queue: Tanvir Rizvi <tanvir.rizvi@samsung.com>
Reviewed-by: Xiaocheng Hu <xiaochengh@chromium.org>
Reviewed-by: Yoshifumi Inoue <yosin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#517437}
[modify] https://crrev.com/4306d8180795bb89b22ccec20c6ff9a1b2acfaa1/third_party/WebKit/Source/core/editing/commands/ReplaceSelectionCommand.cpp
[modify] https://crrev.com/4306d8180795bb89b22ccec20c6ff9a1b2acfaa1/third_party/WebKit/Source/core/editing/commands/ReplaceSelectionCommandTest.cpp

ClusterFuzz has detected this issue as fixed in range 514498:517702.

Detailed report: https://clusterfuzz.com/testcase?key=5690090776166400

Fuzzer: inferno_twister_c
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::ReplaceSelectionCommand::DoApply
  blink::CompositeEditCommand::Apply
  blink::ExecuteInsertHTML
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=508795:508862
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=514498:517702

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5690090776166400

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 5690090776166400 is verified as fixed, so closing issue as verified.

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