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Issue metadata

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



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Integer-overflow in position_cluster

Project Member Reported by ClusterFuzz, Mar 20 2017

Issue description

Cc: drott@chromium.org kojii@chromium.org e...@chromium.org
Components: Blink>Fonts
Labels: Test-Predator-Wrong M-58
Could not find exact culprit CL using predator and regression range. could someone please take a look?.
Thank you.

Comment 2 by e...@chromium.org, Mar 21 2017

Status: WontFix (was: Untriaged)
Project Member

Comment 3 by ClusterFuzz, May 11 2017

ClusterFuzz has detected this issue as fixed in range 470545:470729.

Detailed report: https://clusterfuzz.com/testcase?key=6574856276803584

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  position_cluster
  _hb_ot_shape_fallback_position
  hb_ot_position
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=434178:434216
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=470545:470729

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6574856276803584


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.

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