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Issue 642273 link

Starred by 1 user
Status: Fixed
Owner:
chrishtr@chromium.org
Closed: Sep 2016
Cc:
vmp...@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Regression



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!m_clipped in PaintInvalidationState.cpp

Project Member Reported by ClusterFuzz, Aug 30 2016 
Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6200195589341184

Fuzzer: inferno_twister
Job Type: linux_debug_content_shell_drt
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  !m_clipped in PaintInvalidationState.cpp
  blink::PaintInvalidationState::updateForNormalChildren
  blink::PaintInvalidationState::updateForChildren
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_content_shell_drt&range=414945:414952

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv95izmXRV9onnsULwx1B6HGHU341vnaI2CkB3M7a8KZ6624POCSQwaaLyo9oSC-Cl8lRzbGdbD5GFtpoAV1kw4K11hO2Ilreq0Dkg90Yw3T7fnKcYC8_r7J20gDTmQ5Is2AE-80Snm-PVuqRhmPZr420DvQQuFALCejl5hgHuuQz3t0_itE?testcase_id=6200195589341184


Additional requirements: Requires HTTP

Issue manually filed by: msrchandra

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

Comment 1 by msrchandra@chromium.org, Aug 30 2016

Components: Blink>Paint>Invalidation Tools>Test>FindIt>NoResult
Labels: -Type-Bug findit-wrong Te-Logged Type-Bug-Regression
Owner: chrishtr@chromium.org
Status: Assigned (was: Untriaged)
Find it did not provide any results.
Assigning to the concern owner from the CL regressed,
https://chromium.googlesource.com/chromium/src/+log/98bae263014aad2d3ef0910edef31a8ee32a6c17..d1109b15f8669b2c342d87e9ae6e5d8ebd669ada?pretty=fuller

Suspecting the following from above CL,
Suspected Commit# 537724421c0f5d046e56fb0eba001da3bcea0613
Suspected Review URL# https://codereview.chromium.org/2280243002

@chrishtr -- Could you please look into the issue, pardon me if it has nothing to do with your changes.
Thank You.
Project Member

Comment 2 by bugdroid1@chromium.org, Sep 6 2016 

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/957cc38dbddea1dc412522793629439d1c5b46ac

commit 957cc38dbddea1dc412522793629439d1c5b46ac
Author: chrishtr <chrishtr@chromium.org>
Date: Tue Sep 06 20:31:38 2016

Remove DCHEcK(!m_clipped)

A clip could have been added by addClipRectRelativeToPaintOffset, so the DCHECK is not valid.

BUG= 642273 

Review-Url: https://codereview.chromium.org/2301103004
Cr-Commit-Position: refs/heads/master@{#416705}

[modify] https://crrev.com/957cc38dbddea1dc412522793629439d1c5b46ac/third_party/WebKit/Source/core/layout/PaintInvalidationState.cpp

Comment 3 by chrishtr@chromium.org, Sep 6 2016

Status: Fixed (was: Assigned)

Comment 4 by kateso...@chromium.org, Oct 18 2016

Components: -Tools>Test>FindIt>NoResult
Project Member

Comment 5 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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