Based on this issue "627780"

@caryclark: Could you please look into this issue.

Else, suspecting:

Author: caryclark
Project: chromium-skia
Changelist: https://chromium.googlesource.com/skia.git/+/55888e44171ffd48b591d19256884a969fe4da17
Time: Mon Jul 18 17:01:36 2016
Lines 91, 322 of file SkPathOpsOp.cpp which potentially caused crash are changed in this cl (frame #3, "findChaseOp"; frame #5, "OpDebug").

Files SkOpBuilder.cpp, SkOpSegment.cpp are changed in this cl (and is part of stack frame #6, "SkOpBuilder::resolve")
Minimum distance from crash line to modified line: 0. (file: SkPathOpsOp.cpp, crashed on: 322, modified: 322).

Thank you.

I'm away on vacation. I'll be back August 8th.

The following revision refers to this bug:
  https://skia.googlesource.com/skia.git/+/643ede69216c073c2dd497c382577dc9fde36b3e

commit 643ede69216c073c2dd497c382577dc9fde36b3e
Author: caryclark <caryclark@google.com>
Date: Mon Aug 08 21:27:45 2016

template intersection fuzz fixes

Plumb in the ability to ignore asserts for out of range input
deeper into the template intersection code.

Exit gracefully when error conditions are found.

TBR=reed@google.com
BUG= 632607 , 632628 , 633063 , 633065 , 634251 , 633608 
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2224823004

Review-Url: https://codereview.chromium.org/2224823004

[modify] https://crrev.com/643ede69216c073c2dd497c382577dc9fde36b3e/src/pathops/SkOpCoincidence.cpp
[modify] https://crrev.com/643ede69216c073c2dd497c382577dc9fde36b3e/src/pathops/SkPathOpsOp.cpp
[modify] https://crrev.com/643ede69216c073c2dd497c382577dc9fde36b3e/src/pathops/SkPathOpsTSect.h
[modify] https://crrev.com/643ede69216c073c2dd497c382577dc9fde36b3e/tests/PathOpsOpTest.cpp

ClusterFuzz has detected this issue as fixed in range 413961:414068.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5184708019486720

Fuzzer: libfuzzer_skia_pathop_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  SkTAbs<int>
  UseInnerWinding
  SkOpSegment::markAngle
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=406065:406218
Fixed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_ubsan&range=413961:414068

Minimized Testcase (0.42 Kb): https://cluster-fuzz.appspot.com/download/AMIfv966-RKOSfG-6d5Ht2FC46HiA4SifnMqGbCWEM1_lUI1D3_jqIxed2tnacokq4eax3dtDZeEjjR5l0SpWjfcVnsOC52YpaGgp4lc-KqCoxqyIxyHB923vNC2jHyzinQHjUM7WA9prici9LpTZzwQIJ4FVuag0Q?testcase_id=5184708019486720

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.

Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

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