From findit tool:

Author: danakj
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/cbd37e2ef2b8fa6292f5ea8cfb41df409e63cde5
Time: Thu Aug 25 21:49:10 2016
File painted_scrollbar_layer.cc is changed in this cl (and is part of stack frame #1, "cc::PaintedScrollbarLayer::ScrollbarLayerRectToContentRect"; frame #2, "cc::PaintedScrollbarLayer::Update")
Minimum distance from crash line to modified line: 18. (file: painted_scrollbar_layer.cc, crashed on: 203, modified: 185).

Suspected Project: chromium
Suspected Component: Internals>Compositing

ClusterFuzz has detected this issue as fixed in range 422899:423265.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6665018991181824

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  gfx::ScaleToEnclosingRect
  cc::PaintedScrollbarLayer::ScrollbarLayerRectToContentRect
  cc::PaintedScrollbarLayer::Update
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=414545:414653
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=422899:423265

Minimized Testcase (0.97 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94dZ3Y93Cs7sDi3zYcWkmRZj7UNpRo2I5M8o7k7QFsyjNl6l1d5MKcPlXgmLXR0nmNEo9u6Zoi6uRAqoMk5TaHTGH4_Jk67VBVXVlCt-Eee7PkPFWWbvDKCtsM0K73AWKbUBkawebW0hIaRQIh8STi_4NIVgw?testcase_id=6665018991181824

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

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