Looks similar to  crbug.com/642070  and  crbug.com/745130 . This is in GTK, so marking ExternalDependency.

ClusterFuzz has detected this issue as fixed in range 526314:526319.

Detailed report: https://clusterfuzz.com/testcase?key=6444391010140160

Fuzzer: inferno_twister_c
Job Type: linux_msan_chrome
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  update_current_folder_get_info_cb
  query_info_callback
  complete_in_idle_cb
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Low

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=299925:299994
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=526314:526319

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6444391010140160

Additional requirements: Requires Gestures

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 6444391010140160 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