This is a serious security regression. If you are not able to fix this quickly, please revert the change that introduced it.

If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA.

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

Looks like a crash in the test runner.

Detailed report: https://clusterfuzz.com/testcase?key=5100461110853632

Job Type: linux_msan_content_shell_drt
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=389884:390115

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5100461110853632


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

ClusterFuzz has detected this issue as fixed in range 485069:485100.

Detailed report: https://clusterfuzz.com/testcase?key=5932684215058432

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: Bad-cast
Crash Address: 0x1a8e11cc4600
Crash State:
  Bad-cast to blink::WebView from invalid vptr
  test_runner::TestRunnerForSpecificView::Reset
  test_runner::WebViewTestProxyBase::Reset
  
Sanitizer: undefined (UBSAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=479114:479272
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=485069:485100

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5932684215058432


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.

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