providing Findit results for internal purpose:

Suspected CLs	No line information available in stacktrace.

Unable to find the culprit, requesting Dev team to check the issue and help.

ClusterFuzz has detected this issue as fixed in range 410023:410031.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5954256771481600

Fuzzer: inferno_layout_test_unmodified
Job Type: mac_asan_content_shell
Platform Id: mac

Crash Type: UNKNOWN READ
Crash Address: 0x000000000018
Crash State:
  loop_analysis::visit_leave
  ir_function_signature::accept
  ir_function::accept
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_content_shell&range=408444:408557
Fixed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_content_shell&range=410023:410031

Minimized Testcase (2.09 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94JXoKqoABta6-jkjqHGmdpdpluVWYXIw6KXBvYslnc_rb8uQLPccDBAnLMdr0XuHYxcSjYF_sEPaP9xbHcFFE4SDrNf9qRjM_4YXrt-JROKQEbzGMtCb8SJsB0PmTozuRS5lx5HAzGfzMV_p71N0HKuhKW_w?testcase_id=5954256771481600

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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 is verified as fixed, closing issue.

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