Predator and CL could not provide any possible suspects.

Using Code Search for the file, "fileapi/file_system_dispatcher.cc" suspecting the below Cl might have caused this issue

Suspect CL: https://chromium.googlesource.com/chromium/src/+/104d9bf8175d3ec3feb862cee68808c57ce575af

adithyas@ -- Could you please look into this issue.

Thanks!

ClusterFuzz has detected this issue as fixed in range 580528:580530.

Detailed report: https://clusterfuzz.com/testcase?key=5469582949875712

Fuzzer: inferno_twister
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  content::RunCallbacks
  content::StatusCallbackAdapter
  content::FileSystemDispatcher::~FileSystemDispatcher
  
Sanitizer: undefined (UBSAN)

Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=580528:580530

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5469582949875712

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 5469582949875712 is verified as fixed, so closing issue as verified.

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