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Issue 631360 link

Starred by 2 users

Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Jul 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Crash in isCoincident

Project Member Reported by ClusterFuzz, Jul 26 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5134873480396800

Fuzzer: libfuzzer_skia_pathop_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000058
Crash State:
  isCoincident
  findCoincidentRun
  SkTSect<SkDCubic, SkDQuad>::extractCoincident
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=libfuzzer_chrome_asan&range=405990:406128

Minimized Testcase (0.48 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96QD4O3yn15ShQmcpNwm61QmoHaRbqQsPlSLSSmRqerQnq5YN9YYuNvNvTlQdbbcAh3LJgrQwHVseByIox_htFRvuxvIbVAPlaSMN_1doAcRt2TjYfngTMB_-rhNIeBxtJedzcBJRj6-gEW3n0LovPZRzXZ5Q?testcase_id=5134873480396800

Filer: nyerramilli

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Cc: nyerramilli@chromium.org
Components: Tools>Test>FindIt>CorrectResult
Labels: Findit-for-crash Te-Logged
Owner: caryclark@chromium.org
Status: Assigned (was: Untriaged)
Assigning to caryclark@, based on findit results -

Suspected CLs	The result is a list of CLs that change the crashed files.

Author: caryclark
Project: chromium-skia
Changelist: https://chromium.googlesource.com/skia.git/+/55888e44171ffd48b591d19256884a969fe4da17
Time: Mon Jul 18 17:01:36 2016
Lines 508-515 of file SkAddIntersections.cpp which potentially caused crash are changed in this cl (frame #6, "AddIntersectTs").
Minimum distance from crash line to modified line: 0. (file: SkAddIntersections.cpp, crashed on: 512, modified: 512).

Suspected Project: chromium-skia
Suspected Component: Internals>Skia

caryclark@, Could you please check the above issue & help us in finding an owner it its not yours.
Cc: caryclark@chromium.org
Owner: caryclark@google.com
Cc: caryclark@google.com
 Issue 631366  has been merged into this issue.
Status: Started (was: Assigned)
Project Member

Comment 6 by bugdroid1@chromium.org, Jul 26 2016

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/47ff12b380da241f7b42b6a83f212b4871320219

commit 47ff12b380da241f7b42b6a83f212b4871320219
Author: skia-deps-roller <skia-deps-roller@chromium.org>
Date: Tue Jul 26 19:25:03 2016

Roll src/third_party/skia/ 26318c984..e25a4f6cb (2 commits).

https://chromium.googlesource.com/skia.git/+log/26318c984ffd..e25a4f6cbeac

$ git log 26318c984..e25a4f6cb --date=short --no-merges --format='%ad %ae %s'
2016-07-26 caryclark fix fuzz bugs
2016-07-26 bsalomon Don't unnecessarily resize windows in sk_app on X GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2182163002

BUG= 631383 , 631374 , 631360 

TBR=tomhudson@google.com

Review-Url: https://codereview.chromium.org/2188443002
Cr-Commit-Position: refs/heads/master@{#407876}

[modify] https://crrev.com/47ff12b380da241f7b42b6a83f212b4871320219/DEPS

Project Member

Comment 7 by ClusterFuzz, Jul 27 2016

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

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

Comment 8 by sheriffbot@chromium.org, Nov 22 2016

Labels: -Restrict-View-EditIssue
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

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