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

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

Just a heads-up, this bug is marked as Beta Release Blocking. Adding Andrew in CC. 
Can you please take a look, as we're promoting M58 to Beta this week? We'll need to address this by Wednesday at 5pm. 

The regression range is M59 - changing milestone.

+some video people

Merging this. The fix has already landed.

Wrong issue id. Merging to the correct one.

ClusterFuzz has detected this issue as fixed in range 456589:456626.

Detailed report: https://clusterfuzz.com/testcase?key=5564843647303680

Fuzzer: inferno_layout_test_fuzzer
Job Type: linux_msan_chrome
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  content::VpxEncoder::EncodeOnEncodingTaskRunner
  base::internal::Invoker<base::internal::BindState<void
  base::debug::TaskAnnotator::RunTask
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=456329:456331
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=456589:456626

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv94AvWdV6oyuIQVtjpNzlJn_QL0jnd9qShI3OzWkYvSfm1-w7fe39noX1FWe0URsj5tWPZ87b6o_XgUzyUzYTU5-WArDWU_ShMPL-rX9IYhv6ugZwV9zmHbTVxT-sC3SoWZWAyiF_rrnEeWHAZxzERP3PbmZaLzXl6wLehz77I9ZyMnmxlVNuVp0pF_uqwe5EnlIY66DrvqGniKOlskEB_Q6X0vW93LgZV_38afT0jTNeKa4CAavJj-m58iRPqxwgGNg7994PAbDOcVrv0I-es2-HVqQnWuid3GyiVBgGinSWE2WqzDe5idy6yZk5pKmMMl2NndrWo4AAoMvU9XdscJumggMac06JwpRzsxC9990GlokIMM?testcase_id=5564843647303680


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