The regression contains a single CL: https://chromium.googlesource.com/chromium/src/+log/73cfd3fcb696344b7ecc66519c3a702f0ef6e127..279708b3c8ed5b6d9b4ed452072458cb0f9047d0?pretty=fuller&n=10000

This affects tests only (see  crbug.com/829894  for context)

ClusterFuzz has detected this issue as fixed in range 582647:582648.

Detailed report: https://clusterfuzz.com/testcase?key=5733633445593088

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  test_runner::TestRunnerForSpecificView::Reset
  test_runner::WebViewTestProxyBase::Reset
  test_runner::TestInterfaces::ResetAll
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=545879:545880
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=582647:582648

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5733633445593088

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 5733633445593088 is verified as fixed, so closing issue as verified.

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

This bug has been closed for more than 14 weeks. Removing security view restrictions.

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