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Issue metadata

Status: Fixed
Owner:
Closed: Apr 2016
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug-Security



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Heap-use-after-free in blink::PaintLayer::removeChild

Project Member Reported by ClusterFuzz, Apr 1 2016

Issue description

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5848340377370624

Fuzzer: marty_html_twiddler
Job Type: windows_syzyasan_chrome
Platform Id: windows

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x1798d457
Crash State:
  blink::PaintLayer::removeChild
  blink::LayoutObject::removeLayers
  blink::LayoutObject::removeLayers
  
Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=windows_syzyasan_chrome&range=384213:384232

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv96GpnGEq_jLvTsB_xaOzwZ34vQ-DXYYycKYhKpboA0q3bJWm8nUBsakRaVwNfUkFHc3wst01oOSBGQc4rn4y4If_wUrPgxJCLnq2ktbANT_VffiT9NOUKkIIRRCcmio01kux6S5PbEYnwqAGzlB465CUs6GqGlT8GzxtG8yg9s2FVJEut0


Filer: mmoroz

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Blink>Layout
Owner: flackr@chromium.org
Cc: mmoroz@chromium.org mbarbe...@chromium.org
Project Member

Comment 3 by ClusterFuzz, Apr 1 2016

ClusterFuzz has detected this testcase as flaky and is unable to reproduce it in the original crash revision. Skipping fixed testing check and marking it as potentially fixed.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5848340377370624

Fuzzer: marty_html_twiddler
Job Type: windows_syzyasan_chrome
Platform Id: windows

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x1798d457
Crash State:
  blink::PaintLayer::removeChild
  blink::LayoutObject::removeLayers
  blink::LayoutObject::removeLayers
  
Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=windows_syzyasan_chrome&range=384213:384232

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv96GpnGEq_jLvTsB_xaOzwZ34vQ-DXYYycKYhKpboA0q3bJWm8nUBsakRaVwNfUkFHc3wst01oOSBGQc4rn4y4If_wUrPgxJCLnq2ktbANT_VffiT9NOUKkIIRRCcmio01kux6S5PbEYnwqAGzlB465CUs6GqGlT8GzxtG8yg9s2FVJEut0


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.
Status: Fixed (was: Available)
The CL which introduced this was reverted, I'll be sure to fix these cases before relanding.
Project Member

Comment 5 by ClusterFuzz, Apr 1 2016

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify Merge-NA
Project Member

Comment 6 by sheriffbot@chromium.org, Jul 9 2016

Labels: -Restrict-View-SecurityNotify
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
Project Member

Comment 7 by sheriffbot@chromium.org, Oct 1 2016

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
Project Member

Comment 8 by sheriffbot@chromium.org, Oct 2 2016

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
Labels: allpublic
Project Member

Comment 10 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

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