The result is a list of CLs that change the crashed files. 

Author: wangxianzhu
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/94850bde38a77b0b57a0d51a8c2705d92b6e4ea1
Time: Thu Dec 08 03:01:37 2016
Lines 233 of file BoxPainter.cpp which potentially caused crash are changed in this cl (frame #1, "blink::BoxPainter::paintBoxDecorationBackgroundWithRect").
Minimum distance from crash line to modified line: 0. (file: BoxPainter.cpp, crashed on: 233, modified: 233).

This is not caused by any change, but it's the way that khtml/webkit/blink work since they were born.

ClusterFuzz has detected this issue as fixed in range 440242:440280.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6207050406428672

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Float-cast-overflow
Crash Address: 
Crash State:
  blink::ThemePainterDefault::paintCheckbox
  blink::BoxPainter::paintBoxDecorationBackgroundWithRect
  blink::BoxPainter::paintBoxDecorationBackground
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=435261:438085
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=440242:440280

Minimized Testcase (0.14 Kb): https://cluster-fuzz.appspot.com/download/AMIfv945RpiyGnN9dwLOWLllAXGRnHRX33_NBeno1k5VGNPO8LGije_cDeiC47kMHy-B2IXjIgOfWgKAXpf722IDRqS4IBCjQ7PWyY3q48nDTHinV7P1ZpUzEJn8MsWpCJUjJ17dA_51x4UySnOd3P8YJMxxzxQbxg?testcase_id=6207050406428672

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.