This crash occurs very frequently on linux platform and is likely preventing the fuzzer puzzor from making much progress. Fixing this will allow more bugs to be found.

Marking this bug as a blocker for next Beta release.

If this is incorrect, please add ClusterFuzz-Wrong label and remove the ReleaseBlock-Beta label.

Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/a15597069fc893827d4507d54731af461ab369b4 (Migrate AssistRanker to SimpleURLLoader).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.

ClusterFuzz has detected this issue as fixed in range 561965:561968.

Detailed report: https://clusterfuzz.com/testcase?key=5499697909989376

Fuzzer: puzzor
Job Type: linux_msan_chrome
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  assist_ranker::RankerURLFetcher::Request
  assist_ranker::RankerModelLoaderImpl::StartLoadFromURL
  assist_ranker::RankerModelLoaderImpl::OnFileLoaded
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=561844:561853
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=561965:561968

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5499697909989376

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 5499697909989376 is verified as fixed, so closing issue as verified.

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

Seems to be fixed by https://chromium.googlesource.com/chromium/src/+/2bfb7d64f0119093521d68128f1a8ef08f0ceb67

I'm afraid this was found by our internal fuzzers at the same time.

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