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Issue 676903 link

Starred by 2 users

Issue metadata

Status: Verified
Owner:
Closed: Feb 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in blink::NinePieceImageGrid::NinePieceImageGrid

Project Member Reported by ClusterFuzz, Dec 24 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5126889972957184

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  blink::NinePieceImageGrid::NinePieceImageGrid
  blink::NinePieceImagePainter::paint
  blink::BoxPainter::paintNinePieceImage
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=407167:409418

Minimized Testcase (0.42 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97GjR1Q-ntVROunjHbnNAiH5F44QJDbrRLa-3dbFvCx0GeGSKhc1Oc7m20ujmZXIGsglQRy60mC3tbN3KKFjyVLE9cT4RFIGm9y-s8o52VcZ6JeSk5ItWvZ_DfGkHJ1NDpeaEUMIcvH6xZIIQ3S5y9jD3ChyA?testcase_id=5126889972957184

Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Cc: msrchandra@chromium.org
Components: Blink>Layout
Labels: Test-Predator-Correct-CLs
Owner: flackr@chromium.org
Status: Assigned (was: Untriaged)
Assigning to the concern owner from find it results --
The result is a list of CLs that change the crashed files. 

Author: flackr
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/e3a98dc7050d4e575967177edaca49742024e8c8
Time: Tue Jul 26 19:03:36 2016
Lines 1398 of file LayoutBox.cpp which potentially caused crash are changed in this cl (frame #6, "blink::LayoutBox::paintBoxDecorationBackground").
Minimum distance from crash line to modified line: 0. (file: LayoutBox.cpp, crashed on: 1398, modified: 1398).

@flackr --  Could you please look into the issue, kindly re-assign if this is not related to your changes.
Thank You.
Project Member

Comment 2 by ClusterFuzz, Feb 14 2017

ClusterFuzz has detected this issue as fixed in range 449941:449957.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5126889972957184

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  blink::NinePieceImageGrid::NinePieceImageGrid
  blink::NinePieceImagePainter::paint
  blink::BoxPainter::paintNinePieceImage
  
Sanitizer: undefined (UBSAN)

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=407167:409418
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_ubsan_chrome&range=449941:449957

Reproducer Testcase: https://cluster-fuzz.appspot.com/download/AMIfv97GjR1Q-ntVROunjHbnNAiH5F44QJDbrRLa-3dbFvCx0GeGSKhc1Oc7m20ujmZXIGsglQRy60mC3tbN3KKFjyVLE9cT4RFIGm9y-s8o52VcZ6JeSk5ItWvZ_DfGkHJ1NDpeaEUMIcvH6xZIIQ3S5y9jD3ChyA?testcase_id=5126889972957184


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, Feb 14 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5126889972957184 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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