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/v8/v8/+/50632413069e64722663299478dcb4b60c6c5089 ([scanner] Rewrite character streams by separating underlying bytestreams from buffering.).

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/v8/v8.git/+/ae044d697f31a0614ab9098248ef64e37707a1f7

commit ae044d697f31a0614ab9098248ef64e37707a1f7
Author: Toon Verwaest <verwaest@chromium.org>
Date: Thu Jul 12 10:32:47 2018

[scanner] Fix scanner stream creation: Sliced strings can have an underlying thin string.

Bug:  chromium:862538 
Change-Id: I13a6886f78ee88ca7c69feb0abda6b149a1e423e
Reviewed-on: https://chromium-review.googlesource.com/1133980
Commit-Queue: Marja Hölttä <marja@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54397}
[modify] https://crrev.com/ae044d697f31a0614ab9098248ef64e37707a1f7/src/parsing/scanner-character-streams.cc
[add] https://crrev.com/ae044d697f31a0614ab9098248ef64e37707a1f7/test/mjsunit/regress/regress-crbug-862538.js

ClusterFuzz has detected this issue as fixed in range 54396:54397.

Detailed report: https://clusterfuzz.com/testcase?key=5956307635666944

Fuzzer: ochang_js_fuzzer
Job Type: linux_ubsan_vptr_d8
Platform Id: linux

Crash Type: Ill
Crash Address: 0x555fe23b22be
Crash State:
  v8::internal::ScannerStream::For
  v8::internal::ScannerStream::For
  v8::internal::parsing::ParseProgram
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_d8&range=54257:54258
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_d8&range=54396:54397

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5956307635666944

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 5956307635666944 is verified as fixed, so closing issue as verified.

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