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Issue metadata

Status: Duplicate
Merged: issue 675205
Owner: ----
Closed: Dec 2016
Cc:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug-Security



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Heap-use-after-free in blink::LayoutObject::visualRect

Project Member Reported by ClusterFuzz, Dec 18 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5578952040251392

Fuzzer: inferno_layout_test_unmodified
Job Type: mac_asan_content_shell
Platform Id: mac

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x61400015dcc8
Crash State:
  blink::LayoutObject::visualRect
  blink::visualRectForDisplayItem
  blink::PaintController::commitNewDisplayItems
  
Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_content_shell&range=436306:436323

Minimized Testcase (1.29 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94gDUZVtDUE89b_euxkdqFaHeTGMJ7jVN6UB4o5DopA8B7VwtDdPPZU85OoRsTMoTwr8hRM2xKjVUDfNC53CZNba2BkT4eDGAVr94FEtgU3-FHZaOoY2er-Iqq3yQZzKgONvE88sIJH__Mn1Abx3zZULwHr2g?testcase_id=5578952040251392

Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Project Member

Comment 1 by sheriffbot@chromium.org, Dec 18 2016

Labels: M-57
Project Member

Comment 2 by sheriffbot@chromium.org, Dec 18 2016

Labels: ReleaseBlock-Beta
This issue is a security regression. If you are not able to fix this quickly, please revert the change that introduced it.

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

Comment 3 by sheriffbot@chromium.org, Dec 18 2016

Labels: Pri-1
Project Member

Comment 4 by sheriffbot@chromium.org, Dec 19 2016

Labels: ReleaseBlock-Beta
This issue is a security regression. If you are not able to fix this quickly, please revert the change that introduced it.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Mergedinto: 675205
Status: Duplicate (was: Untriaged)
Project Member

Comment 6 by ClusterFuzz, Jan 5 2017

ClusterFuzz has detected this issue as fixed in range 441240:441358.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5578952040251392

Fuzzer: inferno_layout_test_unmodified
Job Type: mac_asan_content_shell
Platform Id: mac

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x61400015dcc8
Crash State:
  blink::LayoutObject::visualRect
  blink::visualRectForDisplayItem
  blink::PaintController::commitNewDisplayItems
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_content_shell&range=436306:436323
Fixed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_content_shell&range=441240:441358

Minimized Testcase (1.29 Kb): https://cluster-fuzz.appspot.com/download/AMIfv94gDUZVtDUE89b_euxkdqFaHeTGMJ7jVN6UB4o5DopA8B7VwtDdPPZU85OoRsTMoTwr8hRM2xKjVUDfNC53CZNba2BkT4eDGAVr94FEtgU3-FHZaOoY2er-Iqq3yQZzKgONvE88sIJH__Mn1Abx3zZULwHr2g?testcase_id=5578952040251392

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.
Labels: -ReleaseBlock-Beta
Project Member

Comment 8 by sheriffbot@chromium.org, Apr 19 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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