Detailed report: https://clusterfuzz.com/testcase?key=6004167139917824

Fuzzer: libFuzzer_paint_op_buffer_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Pointer-overflow
Crash Address: 
Crash State:
  SkRasterPipelineBlitter::blitMask
  SkRectClipBlitter::blitMask
  MaskAdditiveBlitter::~MaskAdditiveBlitter
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=551565:551569

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6004167139917824

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.