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Issue 804148 link

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Issue metadata

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



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CHECK failure: *deserialized_op1 == *deserialized_op2 in paint_op_buffer_eq_fuzzer.cc

Project Member Reported by ClusterFuzz, Jan 21 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6630260400717824

Fuzzer: afl_paint_op_buffer_eq_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  *deserialized_op1 == *deserialized_op2 in paint_op_buffer_eq_fuzzer.cc
  paint_op_buffer_eq_fuzzer.cc
  ExecuteFilesOnyByOne
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=529768:529845

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6630260400717824

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jan 21 2018

Components: Internals>Compositing
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, Jan 21 2018

Labels: Test-Predator-Auto-Owner
Owner: khushals...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/edcfacf19e21ebe0910f7ad90d10902170cda21a (cc/ipc: Use PaintFilter serialization directly for FilterOperations.).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Project Member

Comment 3 by bugdroid1@chromium.org, Jan 23 2018

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/08f11c92cf64328a849b938895f504ccb3b473d0

commit 08f11c92cf64328a849b938895f504ccb3b473d0
Author: Khushal <khushalsagar@chromium.org>
Date: Tue Jan 23 05:43:45 2018

cc/paint: Ensure we don't compare Nan for MatrixConvolutionPaintFilter.

R=vmpstr@chromium.org

Bug:  804148 
Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel
Change-Id: I216e7bea18d1af38f061033fbb690c06f8c231d6
Reviewed-on: https://chromium-review.googlesource.com/879844
Reviewed-by: vmpstr <vmpstr@chromium.org>
Commit-Queue: Khushal <khushalsagar@chromium.org>
Cr-Commit-Position: refs/heads/master@{#531163}
[modify] https://crrev.com/08f11c92cf64328a849b938895f504ccb3b473d0/cc/paint/paint_filter.cc

Project Member

Comment 4 by ClusterFuzz, Jan 23 2018

ClusterFuzz has detected this issue as fixed in range 531161:531166.

Detailed report: https://clusterfuzz.com/testcase?key=6630260400717824

Fuzzer: afl_paint_op_buffer_eq_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  *deserialized_op1 == *deserialized_op2 in paint_op_buffer_eq_fuzzer.cc
  paint_op_buffer_eq_fuzzer.cc
  ExecuteFilesOnyByOne
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=529768:529845
Fixed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=531161:531166

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6630260400717824

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 5 by ClusterFuzz, Jan 23 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6630260400717824 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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