Looks like this is the error:
0  -----------------[1:1:0100/000000.086437:FATAL:font_cache.cc(404)] Check failed: false.

This is in third_party/blink/renderer/platform/fonts/font_cache.cc, in FontCache::CrashWithFontInfo.

ClusterFuzz has detected this issue as fixed in range 608166:608167.

Detailed report: https://clusterfuzz.com/testcase?key=5476061060792320

Fuzzer: attekett_dom_fuzzer
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: Abrt
Crash Address: 0x00000001
Crash State:
  NULL
Sanitizer: address (ASAN)

Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_v8_arm&range=608166:608167

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5476061060792320

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 5476061060792320 is verified as fixed, so closing issue as verified.

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