This issue seems to be similar to the  Issue 802133 .
inferno@ -- Could you please take a look into this issue.

Thanks!

ClusterFuzz has detected this issue as fixed in range 576874:576881.

Detailed report: https://clusterfuzz.com/testcase?key=6361087294046208

Fuzzer: libFuzzer_content_security_policy_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Timeout (exceeds 25 secs)
Crash Address: 
Crash State:
  content_security_policy_fuzzer
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=510480:510512
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=576874:576881

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6361087294046208

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md 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 6361087294046208 is verified as fixed, so closing issue as verified.

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