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

emircan@, can you please help to triage. could it be regression from https://chromium.googlesource.com/chromium/src/+/dfbd5e4a13e399494354a4a51e4fb0a809090b50

ClusterFuzz has detected this issue as fixed in range 505343:505360.

Detailed report: https://clusterfuzz.com/testcase?key=6519794554896384

Fuzzer: inferno_layout_test_unmodified
Job Type: mac_asan_content_shell
Platform Id: mac

Crash Type: Heap-use-after-free READ 1
Crash Address: 0x6030002a5b15
Crash State:
  base::internal::WeakReference::is_valid
  content::HtmlVideoElementCapturerSource::sendNewFrame
  base::debug::TaskAnnotator::RunTask
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_content_shell&range=504875:505008
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_content_shell&range=505343:505360

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6519794554896384

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 6519794554896384 is verified as fixed, so closing issue as verified.

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

Both regressed and fixed in M63, removing ReleaseBlock-Stable

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