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Issue 630250 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
NOT IN USE
Closed: Jul 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Integer-overflow in blink::PaintLayer::convertFromFlowThreadToVisualBoundingBoxInAncestor

Project Member Reported by ClusterFuzz, Jul 21 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6049745227481088

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  blink::PaintLayer::convertFromFlowThreadToVisualBoundingBoxInAncestor
  blink::PaintLayer::fragmentsBoundingBox
  blink::CompositingInputsUpdater::updateRecursive
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=375946:376263

Minimized Testcase (0.12 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97FzJMqmILagIBpc-5VS-lkdgRu3QdD4O5PjN5qR2z-gs9NT4d5haoYHmfweJe2-ImvhjEdVgnl1-vgXZPGe92-4kdxXeI9hAtkMH5_urp1Fsjm7lQ3lB8a0I4PESVzISq5kcLWf1qKz71MrpcHZtHAG9iySw?testcase_id=6049745227481088
S15.2.4.7_A10</p>
<div><style>
* { mix-blend-mode: color-dodge; column-count: 70; margin: -18446744073709551615em 59% auto 13em;


Additional requirements: Requires HTTP

Filer: brajkumar

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Blink>Paint
Labels: Findit-for-crash Te-Logged
Owner: msten...@opera.com
Status: Assigned (was: Untriaged)
No CL in the regression range changes the crashed files. The result is the blame information.

Author: mstensho
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src//+/17e31b8972050ad7791d2243a19f07ba8fc9c54f
Time: Wed Jan 27 17:12:05 2016
The CL last changed line 2161 of file PaintLayer.cpp, which is stack frame 3.

Suspected Project: chromium
================================
mstensho@: Could you please look into this issue if it is related to your change, else please help us in assigning it to the right owner.

Thanks!
Project Member

Comment 2 by ClusterFuzz, Jul 22 2016

ClusterFuzz has detected this issue as fixed in range 406657:406809.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6049745227481088

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  blink::PaintLayer::convertFromFlowThreadToVisualBoundingBoxInAncestor
  blink::PaintLayer::fragmentsBoundingBox
  blink::CompositingInputsUpdater::updateRecursive
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=375946:376263
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=406657:406809

Minimized Testcase (0.12 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97FzJMqmILagIBpc-5VS-lkdgRu3QdD4O5PjN5qR2z-gs9NT4d5haoYHmfweJe2-ImvhjEdVgnl1-vgXZPGe92-4kdxXeI9hAtkMH5_urp1Fsjm7lQ3lB8a0I4PESVzISq5kcLWf1qKz71MrpcHZtHAG9iySw?testcase_id=6049745227481088
S15.2.4.7_A10</p>
<div><style>
* { mix-blend-mode: color-dodge; column-count: 70; margin: -18446744073709551615em 59% auto 13em;


Additional requirements: Requires HTTP

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 3 by ClusterFuzz, Jul 22 2016

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
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 4 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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