Predator and CL did not provide any possible suspects.
Adding the concern owner using Code Search for the file, "template_url_data.cc".

Suspecting Commit#
https://chromium.googlesource.com/chromium/src/+/6028ec2fcc7ca0d036e903ff702de77f60a69071

Could some one please look into the issue and provide an update.
Thank You.

I am ready to look at this, yet I have no access to testcase data. Could you please give me access or dump here necessary details?

ClusterFuzz has detected this issue as fixed in range 462814:462832.

Detailed report: https://clusterfuzz.com/testcase?key=6080418249179136

Fuzzer: libfuzzer_template_url_parser_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !short_name.empty() in template_url_data.cc
  TemplateURLData::SetShortName
  TemplateURLParsingContext::EndElementImpl
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=462800:462814
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=462814:462832

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv97l-SdnyChobNUY-mkZS9Zpz0XBuS8QVFUk7zOFHkrMoo8MXKw4CaqvzMYofDYBIBxov315I8uGXk8jzv2TKq56REhSHa9FetNyIvXD1ZX0peMcNOpKbOFWJxTwsUxFvKLb_WHuo38v-QDzGDgX2wi0K8wp08AWS7OxQvz4B9wDRR6kXVgwNuSzOkSUiUSdXPLK7im4wC0c16_-kQ9caOZyGhTV1RfBBRp3VOtAX3PiNH4oJJ7ZZJbSt2xT8f67Bt9SpOl-RL9_TLvdZOkrHq0tsdC-TgpcsU4v1C3M1h-Mk4jx4CMuBjCubeXhT1bsdevT8BSKVCfGq6rnNrNXUq5-jvYEwCIGRBbp6zJcRArq37lyksA?testcase_id=6080418249179136


See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.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 6080418249179136 is verified as fixed, so closing issue.

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