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

thomasanderson: You've been making changes in this component, can you take a look?

ClusterFuzz has detected this issue as fixed in range 479223:479293.

Detailed report: https://clusterfuzz.com/testcase?key=5048668444164096

Fuzzer: libFuzzer_gpu_angle_passthrough_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  ui::XVisualManager::XVisualManager
  base::DefaultSingletonTraits<ui::XVisualManager>::New
  base::Singleton<ui::XVisualManager, base::DefaultSingletonTraits<ui::XVisualMana
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=477527:477609
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=479223:479293

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5048668444164096


See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md 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 5048668444164096 is verified as fixed, so closing issue.

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