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Issue 858985 link

Starred by 2 users

Issue metadata

Status: Verified
Owner: ----
Closed: Jun 2018
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 1
Type: Bug



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Timeout in skia_pathop_fuzzer

Project Member Reported by ClusterFuzz, Jun 29 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4715837135781888

Fuzzer: libFuzzer_skia_pathop_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Timeout (exceeds 25 secs)
Crash Address: 
Crash State:
  skia_pathop_fuzzer
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=568488:568508

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4715837135781888

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, Jun 29 2018

Labels: OS-Mac
Project Member

Comment 2 by ClusterFuzz, Jun 29 2018

Cc: mbarbe...@chromium.org
Labels: ClusterFuzz-Auto-CC
Automatically adding ccs based on OWNERS file / target commit history.

If this is incorrect, please add ClusterFuzz-Wrong label.
Project Member

Comment 3 by ClusterFuzz, Jun 29 2018

Cc: carycl...@skia.org
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

fix op fuzz timeout by caryclark@skia.org - https://skia.googlesource.com/skia/+/ba61029c5b4939fc33a8cd5db3e7e19c6742cc4b

fix fuzzer bugs in pathops by caryclark@skia.org - https://skia.googlesource.com/skia/+/560714336135d9bf851146ead65a6c68cf4220ed

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Project Member

Comment 4 by bugdroid1@chromium.org, Jun 29 2018

The following revision refers to this bug:
  https://skia.googlesource.com/skia/+/c91fe3ab1c5dd109e436768f848dda6814755ae6

commit c91fe3ab1c5dd109e436768f848dda6814755ae6
Author: Cary Clark <caryclark@google.com>
Date: Fri Jun 29 15:25:27 2018

fix fuzzer found timeout

curiously, test case ran fine
with skia's fuzzer, but hung
with ubsan chrome fuzzer.

R=kjlubick@google.com

Bug:858985
Change-Id: Ie747ba9b902a25e59330a084fbdd5246d9de4920
Reviewed-on: https://skia-review.googlesource.com/138520
Reviewed-by: Cary Clark <caryclark@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Cary Clark <caryclark@google.com>

[modify] https://crrev.com/c91fe3ab1c5dd109e436768f848dda6814755ae6/src/pathops/SkPathOpsSimplify.cpp

Project Member

Comment 5 by bugdroid1@chromium.org, Jun 29 2018

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/64f44a385c34fe66fb9b81035c35a574890407df

commit 64f44a385c34fe66fb9b81035c35a574890407df
Author: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Date: Fri Jun 29 18:39:28 2018

Roll src/third_party/skia 4e85e80a5a32..c91fe3ab1c5d (1 commits)

https://skia.googlesource.com/skia.git/+log/4e85e80a5a32..c91fe3ab1c5d


git log 4e85e80a5a32..c91fe3ab1c5d --date=short --no-merges --format='%ad %ae %s'
2018-06-29 caryclark@google.com fix fuzzer found timeout


Created with:
  gclient setdep -r src/third_party/skia@c91fe3ab1c5d

The AutoRoll server is located here: https://autoroll.skia.org

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel;luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel

BUG= chromium:858985 
TBR=jcgregorio@chromium.org

Change-Id: Iceb8a9b3e8821e17ea0d8eaf8d118228aa3c4713
Reviewed-on: https://chromium-review.googlesource.com/1120409
Reviewed-by: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#571564}
[modify] https://crrev.com/64f44a385c34fe66fb9b81035c35a574890407df/DEPS

Status: Fixed (was: Untriaged)
Project Member

Comment 7 by ClusterFuzz, Jun 30 2018

ClusterFuzz has detected this issue as fixed in range 571554:571571.

Detailed report: https://clusterfuzz.com/testcase?key=4715837135781888

Fuzzer: libFuzzer_skia_pathop_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Timeout (exceeds 25 secs)
Crash Address: 
Crash State:
  skia_pathop_fuzzer
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=568488:568508
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=571554:571571

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4715837135781888

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.

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

Comment 8 by ClusterFuzz, Jun 30 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Fixed)
ClusterFuzz testcase 4715837135781888 is verified as fixed, so closing issue as verified.

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

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