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

ClusterFuzz has detected this issue as fixed in range 485825:485869.

Detailed report: https://clusterfuzz.com/testcase?key=6431112846114816

Fuzzer: inferno_layout_test_unmodified
Job Type: mac_asan_content_shell
Platform Id: mac

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x60e000066e88
Crash State:
  base::WaitableEventWatcher::InvokeCallback
  base::debug::TaskAnnotator::RunTask
  blink::scheduler::TaskQueueManager::ProcessTaskFromWorkQueue
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_content_shell&range=485755:485789
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_content_shell&range=485825:485869

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6431112846114816


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