Regression range and repro points to 701d79d08ad4cb8fb6c61d49a5fb2a4862f29d9e.

https://chromium-review.googlesource.com/c/532994/

The following revision refers to this bug:
  https://chromium.googlesource.com/v8/v8.git/+/f52c8f9f28628a21dd2a231c68a39d0e39d90c46

commit f52c8f9f28628a21dd2a231c68a39d0e39d90c46
Author: Alexey Kozyatinskiy <kozyatinskiy@chromium.org>
Date: Tue Jun 13 10:38:15 2017

[inspector] console.context should be ready for GC

context_name pointer can be changed after GC triggered by AddProperty.

R=ishell@chromium.org

Bug:  chromium:732717 
Change-Id: Ie8e2497fa9f3bac80e0ad68153956e382731e284
Reviewed-on: https://chromium-review.googlesource.com/532994
Commit-Queue: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45898}
[modify] https://crrev.com/f52c8f9f28628a21dd2a231c68a39d0e39d90c46/src/builtins/builtins-console.cc
[add] https://crrev.com/f52c8f9f28628a21dd2a231c68a39d0e39d90c46/test/inspector/runtime/regression-732717-expected.txt
[add] https://crrev.com/f52c8f9f28628a21dd2a231c68a39d0e39d90c46/test/inspector/runtime/regression-732717.js

ClusterFuzz has detected this issue as fixed in range 45897:45898.

Detailed report: https://clusterfuzz.com/testcase?key=4661786682064896

Fuzzer: v8_builtins_generator
Job Type: linux_asan_d8_v8_arm64_dbg
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  instance_type
  IsString
  IsString
  
Sanitizer: address (ASAN)

Regressed: V8: 45863:45864
Fixed: V8: 45897:45898

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4661786682064896


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

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