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Issue metadata

Status: Verified
Owner:
Closed: Dec 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug-Security



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

Project Member Reported by ClusterFuzz, Dec 1 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4513192922578944

Fuzzer: marty_html_twiddler
Job Type: windows_asan_chrome_no_sandbox
Platform Id: windows

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x0701a200
Crash State:
  blink::LayoutObject::NextInPreOrder
  blink::ResetOldSelectedLayoutObjects
  blink::LayoutSelection::ClearSelection
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=520863:520881

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4513192922578944

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Dec 1 2017

Components: Blink>Editing Blink>Layout
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.
Project Member

Comment 2 by ClusterFuzz, Dec 1 2017

Labels: Test-Predator-Auto-Owner
Owner: yoichio@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/895571d680c5aa0ea923a90dabc072f0e76c7aca (Remove redundant SelectionState reassignment.).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Project Member

Comment 3 by ClusterFuzz, Dec 2 2017

ClusterFuzz has detected this issue as fixed in range 521097:521126.

Detailed report: https://clusterfuzz.com/testcase?key=4513192922578944

Fuzzer: marty_html_twiddler
Job Type: windows_asan_chrome_no_sandbox
Platform Id: windows

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x0701a200
Crash State:
  blink::LayoutObject::NextInPreOrder
  blink::ResetOldSelectedLayoutObjects
  blink::LayoutSelection::ClearSelection
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=520863:520881
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=521097:521126

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4513192922578944

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

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 4 by ClusterFuzz, Dec 2 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4513192922578944 is verified as fixed, so closing issue as verified.

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

Comment 5 by sheriffbot@chromium.org, Dec 2 2017

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

Comment 6 by sheriffbot@chromium.org, Mar 10 2018

Labels: -Restrict-View-SecurityNotify 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
Project Member

Comment 7 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

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