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Issue 848186 link

Starred by 1 user
Status: WontFix
Owner: ----
Closed: May 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in OT::propagate_attachment_offsets

Project Member Reported by ClusterFuzz, May 31 2018 
Detailed report: https://clusterfuzz.com/testcase?key=5766597747408896

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  OT::propagate_attachment_offsets
  OT::GPOS::position_finish_offsets
  hb_ot_position_complex
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=523880:523906

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5766597747408896

Additional requirements: Requires HTTP

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
Project Member

Comment 1 by ClusterFuzz, May 31 2018

Components: Blink>Fonts
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.

Comment 2 by e...@chromium.org, May 31 2018

Status: WontFix (was: Untriaged)
Non-security numeric overflow is considered WontFix.
Project Member

Comment 3 by ClusterFuzz, Jun 7 2018

Labels: Needs-Feedback
ClusterFuzz testcase 5766597747408896 is still reproducing on tip-of-tree build (trunk).

If this testcase was not reproducible locally or unworkable, ignore this notification and we will file another bug soon with hopefully a better and workable testcase.

Otherwise, if this is not intended to be fixed (e.g. this is an intentional crash), please add ClusterFuzz-Ignore label to prevent future bug filing with similar crash stacktrace.
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