Skia CL::
https://chromium.googlesource.com/skia/+log/5a9c2f110e4f1a78d9bfedcf708168909706d7fd..cc09372730301be78b9d26c1198db1584622cdd9?pretty=fuller

Possible suspect from the above CL
https://codereview.chromium.org/2357353002

caryclark@ could you please look into this issue if it is related to your change,else please help us in finding the appropriate owner for this issue.

Thnaks,

The following revision refers to this bug:
  https://skia.googlesource.com/skia.git/+/414c4295f951d43068666b6294df15b2fd2ba85c

commit 414c4295f951d43068666b6294df15b2fd2ba85c
Author: caryclark <caryclark@google.com>
Date: Mon Sep 26 18:03:54 2016

allow conic chop to fail

Fuzzy values may cause the conic chop to fail.

Check to see if the values are all finite, and
require the caller to do the same.

R=reed@google.com
BUG= 650178 
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2368993002

Review-Url: https://codereview.chromium.org/2368993002

[modify] https://crrev.com/414c4295f951d43068666b6294df15b2fd2ba85c/gm/beziereffects.cpp
[modify] https://crrev.com/414c4295f951d43068666b6294df15b2fd2ba85c/samplecode/SampleAAGeometry.cpp
[modify] https://crrev.com/414c4295f951d43068666b6294df15b2fd2ba85c/src/core/SkGeometry.cpp
[modify] https://crrev.com/414c4295f951d43068666b6294df15b2fd2ba85c/src/core/SkGeometry.h
[modify] https://crrev.com/414c4295f951d43068666b6294df15b2fd2ba85c/src/core/SkPathMeasure.cpp
[modify] https://crrev.com/414c4295f951d43068666b6294df15b2fd2ba85c/src/gpu/batches/GrAAHairLinePathRenderer.cpp
[modify] https://crrev.com/414c4295f951d43068666b6294df15b2fd2ba85c/src/pathops/SkOpEdgeBuilder.cpp
[modify] https://crrev.com/414c4295f951d43068666b6294df15b2fd2ba85c/tests/PathOpsConicIntersectionTest.cpp
[modify] https://crrev.com/414c4295f951d43068666b6294df15b2fd2ba85c/tests/PathOpsOpTest.cpp

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/528cb1814acc891650c6ca4801d486cee4427878

commit 528cb1814acc891650c6ca4801d486cee4427878
Author: skia-deps-roller <skia-deps-roller@chromium.org>
Date: Tue Sep 27 04:50:14 2016

Roll src/third_party/skia/ 787339e94..6a259bfcc (26 commits).

https://chromium.googlesource.com/skia.git/+log/787339e94278..6a259bfcc80a

$ git log 787339e94..6a259bfcc --date=short --no-merges --format='%ad %ae %s'
2016-09-26 mtklein Revert of My take on SkAlign changes. (patchset #3 id:40001 of https://codereview.chromium.org/2368293002/ )
2016-09-26 reed Revert "replace Arithmetic xfermode with imagefilter"
2016-09-26 ethannicholas Revert of Turned on SkSL->GLSL compiler (patchset #37 id:800001 of https://codereview.chromium.org/2288033003/ )
2016-09-26 mtklein Move undefined-func-template to wont-fix warnings.
2016-09-26 reed replace Arithmetic xfermode with imagefilter
2016-09-26 liyuqian Fix typo
2016-09-26 egdaniel Revert of Fix bufferIndex check in VulkanWindowContext (patchset #1 id:1 of https://codereview.chromium.org/2363353003/ )
2016-09-26 egdaniel Fix bufferIndex check in VulkanWindowContext
2016-09-26 ethannicholas Turned on SkSL->GLSL compiler GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2288033003
2016-09-26 robertphillips Minor clean up of GrAAConvexTessellator
2016-09-26 borenet Roll recipes
2016-09-26 caryclark allow conic chop to fail
2016-09-26 mtklein Turn on -Wundefined-reinterpret-cast.
2016-09-26 brianosman Tag checkerboard bitmaps as sRGB
2016-09-26 mtklein -Wcomma may be good to go now.
2016-09-26 mtklein My take on SkAlign changes.
2016-09-26 halcanary bin/coverage: a GN version of the coverage script
2016-09-26 borenet Include timestamp in nanobench JSON file name
2016-09-26 caryclark add tiger tests
2016-09-26 mtklein Typo?
2016-09-26 mtklein GN: detect is_clang, use it to switch Clang to warning blacklist.
2016-09-26 mtklein Quiet a -Wcomma warning.
2016-09-26 mtklein beziers: I missed an unsequenced moveTo() pair.
2016-09-26 robertphillips Fix some fuzzer complaints
2016-09-26 mtklein Revert "GN: detect is_clang, use it to switch Clang to warning blacklist."
2016-09-26 halcanary Documentation: fix links

BUG= 650178 

CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_precise_blink_rel
TBR=fmalita@google.com

Review-Url: https://codereview.chromium.org/2372943002
Cr-Commit-Position: refs/heads/master@{#421107}

[modify] https://crrev.com/528cb1814acc891650c6ca4801d486cee4427878/DEPS

ClusterFuzz has detected this issue as fixed in range 421082:421136.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6245443023667200

Fuzzer: afl_skia_pathop_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000018
Crash State:
  SkOpPtT::contains
  AddIntersectTs
  OpDebug
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=420614:420693
Fixed: https://cluster-fuzz.appspot.com/revisions?job=afl_chrome_asan&range=421082:421136

Minimized Testcase (0.28 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95yN1ZCFnKv5w3mi5oRaDk4tZ5IuFBp3RTmXnHZ0NaCLitcUWIERwP-5Ibdf32goJ592pMpWxWrYkFomPXpVJvIEk6MWqVe66FEYmNBqXsy3QedoV7jT6weu7vz5B_vHV7pzKBifxRB6yHO8nffzBj7Cfgikw?testcase_id=6245443023667200

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.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot