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Issue 835177 link

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Issue metadata

Status: Verified
Owner:
Closed: Apr 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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CHECK failure: kFieldToFlattenableName.find(field_name) != kFieldToFlattenableName.end() in ski

Project Member Reported by ClusterFuzz, Apr 20 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4914607354019840

Fuzzer: libFuzzer_skia_image_filter_proto_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  kFieldToFlattenableName.find(field_name) != kFieldToFlattenableName.end() in ski
  skia_image_filter_proto_converter::Converter::FieldToFlattenableName
  skia_image_filter_proto_converter::Converter::Visit
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=552010:552021

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4914607354019840

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Apr 20 2018

Components: Build
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Apr 20 2018

Cc: robertph...@google.com
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

Remove fuzzing of SkRRectsGaussianEdgeMaskFilter by robertphillips@google.com - https://chromium.googlesource.com/chromium/src/+/845b8840f11beef6613b60345a0874dae5f02126

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Cc: kjlubick@google.com

Comment 4 by kjlubick@google.com, Apr 20 2018

Owner: metzman@chromium.org
Status: Assigned (was: Untriaged)
It appears the proto fuzzer is not happy since the cl in #2
Status: Started (was: Assigned)
Sorry about this. Taking a look now
Project Member

Comment 6 by bugdroid1@chromium.org, Apr 20 2018

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/87fde4b8ef867339ed7932d956b3f53e168ee90d

commit 87fde4b8ef867339ed7932d956b3f53e168ee90d
Author: Jonathan Metzman <metzman@chromium.org>
Date: Fri Apr 20 20:09:19 2018

Finish removal of fuzzing SkRRectsGaussianEdgeMaskFilter

Finish removing fuzzing to fix CHECK failure.

Bug:  835177 
Change-Id: Ia65d58861a4842cba214eb2dc7bb5e01b8740949
Reviewed-on: https://chromium-review.googlesource.com/1022336
Reviewed-by: Abhishek Arya <inferno@chromium.org>
Commit-Queue: Jonathan Metzman <metzman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#552444}
[modify] https://crrev.com/87fde4b8ef867339ed7932d956b3f53e168ee90d/testing/libfuzzer/proto/skia_image_filter.proto
[modify] https://crrev.com/87fde4b8ef867339ed7932d956b3f53e168ee90d/testing/libfuzzer/proto/skia_image_filter_proto_converter.cc
[modify] https://crrev.com/87fde4b8ef867339ed7932d956b3f53e168ee90d/testing/libfuzzer/proto/skia_image_filter_proto_converter.h

Project Member

Comment 7 by ClusterFuzz, Apr 21 2018

ClusterFuzz has detected this issue as fixed in range 552438:552461.

Detailed report: https://clusterfuzz.com/testcase?key=4914607354019840

Fuzzer: libFuzzer_skia_image_filter_proto_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  kFieldToFlattenableName.find(field_name) != kFieldToFlattenableName.end() in ski
  skia_image_filter_proto_converter::Converter::FieldToFlattenableName
  skia_image_filter_proto_converter::Converter::Visit
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=552010:552021
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=552438:552461

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4914607354019840

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, Apr 21 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Started)
ClusterFuzz testcase 4914607354019840 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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