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Issue 749978 link

Starred by 1 user

Issue metadata

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



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Heap-buffer-overflow in gfx::internal::TextRunHarfBuzz::GetClusterAt

Project Member Reported by ClusterFuzz, Jul 28 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5928955503968256

Fuzzer: ipc_fuzzer_gen
Job Type: linux_asan_chrome_ipc
Platform Id: linux

Crash Type: Heap-buffer-overflow READ 4
Crash Address: 0x603000306afc
Crash State:
  gfx::internal::TextRunHarfBuzz::GetClusterAt
  gfx::RenderTextHarfBuzz::DrawVisualText
  gfx::RenderText::Draw
  
Sanitizer: address (ASAN)

Recommended Security Severity: Low

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_ipc&range=465375:465399

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5928955503968256


Additional requirements: Requires Gestures

Issue filed automatically.

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

Comment 1 by sheriffbot@chromium.org, Jul 28 2017

Labels: Pri-2

Comment 2 by vakh@chromium.org, Jul 31 2017

Cc: msw@chromium.org x...@chromium.org pkasting@chromium.org
Components: UI>Browser>Omnibox
Owner: simonh...@chromium.org
Status: Assigned (was: Untriaged)
Possibly related to https://codereview.chromium.org/2817403002
Project Member

Comment 3 by ClusterFuzz, Aug 30 2017

Status: WontFix (was: Assigned)
ClusterFuzz testcase 5928955503968256 is flaky and no longer reproduces, so closing issue.

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

Comment 4 by sheriffbot@chromium.org, Dec 6 2017

Labels: -Restrict-View-SecurityTeam allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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