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Issue metadata

Status: Duplicate
Merged: issue 843069
Owner:
Closed: May 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows
Pri: 1
Type: Bug-Security

Blocking:
issue 776656



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Use-after-poison in blink::HTMLSlotElement::DetachLayoutTree

Project Member Reported by ClusterFuzz, May 15 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5726996357971968

Fuzzer: dstockwell-anim-gen
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Use-after-poison READ 8
Crash Address: 0x7e8b796e3fa0
Crash State:
  blink::HTMLSlotElement::DetachLayoutTree
  blink::ContainerNode::DetachLayoutTree
  blink::ShadowRoot::DetachLayoutTree
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=558606:558609

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5726996357971968

Issue filed automatically.

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

Comment 1 by ClusterFuzz, May 15 2018

Labels: OS-Windows
Project Member

Comment 2 by ClusterFuzz, May 15 2018

Components: Blink>DOM Blink>HTML
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 3 by tkent@chromium.org, May 15 2018

Labels: Pri-1
Owner: hayato@chromium.org
Status: Assigned (was: Untriaged)
Project Member

Comment 4 by sheriffbot@chromium.org, May 15 2018

Labels: M-68
Project Member

Comment 5 by sheriffbot@chromium.org, May 15 2018

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

If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA.

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

Comment 6 by ClusterFuzz, May 16 2018

ClusterFuzz has detected this issue as fixed in range 558997:559000.

Detailed report: https://clusterfuzz.com/testcase?key=5726996357971968

Fuzzer: dstockwell-anim-gen
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Use-after-poison READ 8
Crash Address: 0x7e8b796e3fa0
Crash State:
  blink::HTMLSlotElement::DetachLayoutTree
  blink::ContainerNode::DetachLayoutTree
  blink::ShadowRoot::DetachLayoutTree
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=558606:558609
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=558997:559000

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5726996357971968

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 7 by ClusterFuzz, May 16 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5726996357971968 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 8 by sheriffbot@chromium.org, May 16 2018

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify

Comment 9 by hayato@chromium.org, May 17 2018

Mergedinto: 843069
Status: Duplicate (was: Verified)
Blocking: 776656
Project Member

Comment 11 by sheriffbot@chromium.org, Aug 22

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

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