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Issue metadata

Status: Duplicate
Owner:
Closed: Jun 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Crash in blink::PaintLayer::isSelfPaintingLayer

Project Member Reported by ClusterFuzz, Jun 8 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5807910672400384

Fuzzer: inferno_twister
Job Type: linux_debug_content_shell_drt
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000008
Crash State:
  blink::PaintLayer::isSelfPaintingLayer
  blink::BoxClipper::BoxClipper
  blink::BlockPainter::paint
  

Minimized Testcase (3.62 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94WfQKzO8709SobxZmFLT-cjhxzm6j1Gy_Akr-2WzciyBR4nxHN4FPHlA7F50IehHYfVrdOk_Y9fDtSRcn772YbnNle5Hb96mQLbwJ7MWXLb25hkyBQ66EqueClfxiWjOOQhQqIMsaetnGAc_A4lG7iuDw8ig

Filer: ashejole

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: dsinclair@chromium.org jchaffr...@webkit.org
Components: Tools>Test>FindIt>CorrectResult Blink>Paint
Labels: findit-for-crash Te-Logged
Owner: wangxianzhu@chromium.org
Status: Assigned (was: Available)
Suspected CLs	Regression information is not available. The result is the blame information.

Author: jchaffraix@webkit.org
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src//+/d82167fe2ae971dbd628549c2081350299e6aab5
Time: Thu Jun 07 04:20:47 2012
The CL last changed line 240 of file PaintLayer.h, which is stack frame 0.

Author: wangxianzhu
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src//+/580ba30eac72aa1c0bf2b93d31a0843211deba92
Time: Tue May 17 20:24:08 2016
The CL last changed line 39 of file BoxClipper.cpp, which is stack frame 1.

Author: dsinclair@chromium.org
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src//+/735bbbde69644fc8a35d022b715c9db905b52846
Time: Thu Feb 26 16:03:40 2015
The CL last changed line 54 of file BlockPainter.cpp, which is stack frame 2.

Author: dsinclair@chromium.org
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src//+/5c5ca93a02c312f533ea2922bb53f8f12b133a42
Time: Tue May 05 20:17:05 2015
The CL last changed line 23 of file SVGTextPainter.cpp, which is stack frame 3.

Author: pdr@chromium.org
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src//+/aaab72fba54055de3d8909f88ce62302e6b7360b
Time: Thu Sep 25 00:47:50 2014
The CL last changed line 347 of file LayoutSVGText.cpp, which is stack frame 4.

Author: chrishtr@chromium.org
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src//+/7a25d907698e89274bebe3cabf8865bff2b63384
Time: Wed Sep 10 16:29:19 2014
The CL last changed line 44 of file BoxPainter.cpp, which is stack frame 5.

Author: dsinclair@chromium.org
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src//+/5c5ca93a02c312f533ea2922bb53f8f12b133a42
Time: Tue May 05 20:17:05 2015
The CL last changed line 93 of file SVGRootPainter.cpp, which is stack frame 6.

Suspected Project: chromium
Suspected Component: Blink>Paint
---------------------------------

@jchaffraix: Hey, would you mind checking the above issue and see if its related to your change ?
Also, ccing few dev of related change.

Thank you!

Comment 2 by f...@opera.com, Jun 8 2016

This looks like it could be a dupe of issue 613929.
Mergedinto: 613929
Status: Duplicate (was: Assigned)
Yes, this bug is also about LayoutSVGText which doesn't have a layer.
Project Member

Comment 4 by ClusterFuzz, Jun 21 2016

ClusterFuzz has detected this issue as fixed in range 399276:400924.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5807910672400384

Fuzzer: inferno_twister
Job Type: linux_debug_content_shell_drt
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000008
Crash State:
  blink::PaintLayer::isSelfPaintingLayer
  blink::BoxClipper::BoxClipper
  blink::BlockPainter::paint
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_content_shell_drt&range=398006:398016
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_content_shell_drt&range=399276:400924

Minimized Testcase (3.62 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94aCafkpkp6WS8B4c787sFEv2tKBQiAhaina329v1HtHR9w6bvHIdpGWAc0iv0Dpn4q4VgNfzTDcngGhQ6ycySCFR1EVBO-uGGX3SnAHQD3vzUHUY-QaM5CkUhqt9TFYNsbQfBlZOkfUmSnYGz5cfr3W_qYug?testcase_id=5807910672400384

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