Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/7865b5be0f6472b14ed7a30bc7e41896a8ec9e6e (cc: Replace SkImageFilter with PaintFilter in paint recordings.).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.

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

awhalley@

This doesn't need to be ReleaseBlock. Its only being hit on PaintOpBuffer serialization which isn't turned on right now.

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 520972:521000.

Detailed report: https://clusterfuzz.com/testcase?key=5746901340389376

Fuzzer: libFuzzer_paint_op_buffer_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  SkFontRequestCache::Request::Create
  SkFontMgr_FCI::onLegacyMakeTypeface
  SkFontMgr::legacyMakeTypeface
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=518493:518517
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=520972:521000

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5746901340389376

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.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 5746901340389376 is verified as fixed, so closing issue as verified.

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