Assert: https://skia.googlesource.com/skia/+/155e94297a466a4e4c4c3e353359de18ab9720ab/src/core/SkGeometry.cpp#1419

Looks like there's some validation that's needed on DrawArcOp, but there's not any easy method exposed at the moment.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/371d628e5cad40221a71f7ee3a5eddf34adf9680

commit 371d628e5cad40221a71f7ee3a5eddf34adf9680
Author: Adrienne Walker <enne@chromium.org>
Date: Tue Aug 22 23:25:43 2017

Validate DrawArcOp inputs

Skip nans because they cause Skia asserts.

Bug:  752757 
Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel
Change-Id: I8ac1ac10c785dad5eb74dd33107f1febb7e361c4
Reviewed-on: https://chromium-review.googlesource.com/627394
Commit-Queue: enne <enne@chromium.org>
Reviewed-by: Vladimir Levin <vmpstr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#496503}
[modify] https://crrev.com/371d628e5cad40221a71f7ee3a5eddf34adf9680/cc/paint/paint_op_buffer.h

ClusterFuzz has detected this issue as fixed in range 496444:496518.

Detailed report: https://clusterfuzz.com/testcase?key=5164586063101952

Fuzzer: libFuzzer_paint_op_buffer_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Abrt
Crash Address: 0x03e900005f44
Crash State:
  sk_abort_no_print
  SkConic::BuildUnitArc
  build_arc_conics
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=491830:491916
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=496444:496518

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5164586063101952

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.

ClusterFuzz testcase 5164586063101952 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

 Issue 754430  has been merged into this issue.