Predator and CL could not provide any possible suspects.
Using Code Search for the file, "fx_agg_driver.cpp" assigning to the concern owner who might be related or worked on similar file.

npm@ -- Could you please look into the issue, kindly re-assign if this is not related to your changes.


Thank You.

Automatically applying components based on information from OWNERS files. If this seems incorrect, please apply the Test-Predator-Wrong-Components label.

For more information, please see https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md.

The link referenced in the description is no longer valid.

(bulk edit)

Assigning all my PDF bugs to dsinclair@ for triaging. Will not be working on PDFium for a month.

ClusterFuzz has detected this issue as fixed in range 554549:554567.

Detailed report: https://clusterfuzz.com/testcase?key=5175963467120640

Fuzzer: libFuzzer_pdfium_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Undefined-shift
Crash Address: 
Crash State:
  bool agg::rasterizer_scanline_aa::sweep_scanline<agg::scanline_u<unsigned char> 
  void agg::render_scanlines<agg::rasterizer_scanline_aa, agg::scanline_u<unsigned
  CFX_AggDeviceDriver::RenderRasterizer
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=468520:468560
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=554549:554567

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5175963467120640

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 5175963467120640 is verified as fixed, so closing issue as verified.

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