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Issue 800730 link

Starred by 1 user

Issue metadata

Status: Duplicate
Merged: issue 800692
Owner:
Closed: Jan 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Bad-cast to blink::LayoutBox from blink::LayoutSVGViewportContainer in blink::ToLayoutBox

Project Member Reported by ClusterFuzz, Jan 10 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5682886211796992

Fuzzer: miaubiz_svg_fuzzer
Job Type: linux_cfi_chrome
Platform Id: linux

Crash Type: Bad-cast
Crash Address: 0x7f6abbf76bc0
Crash State:
  Bad-cast to blink::LayoutBox from blink::LayoutSVGViewportContainer
  blink::ToLayoutBox
  blink::ObjectPaintPropertyTreeBuilder::UpdateForChildren
  
Sanitizer: cfi (CFI)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=528240:528249

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5682886211796992

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jan 10 2018

Components: Blink>Layout Blink>Paint
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, Jan 10 2018

Labels: Test-Predator-Auto-Owner
Owner: wangxianzhu@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/8fc86d05d7b0a18c0e4f726f496a0083c6a8a9e6 ([SPv175+] Create OverflowClip for LayoutSVGViewportContainer).

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

Comment 3 by sheriffbot@chromium.org, Jan 10 2018

Labels: M-65
Project Member

Comment 4 by sheriffbot@chromium.org, Jan 10 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 5 by sheriffbot@chromium.org, Jan 10 2018

Labels: Pri-1
Mergedinto: 800692
Status: Duplicate (was: Assigned)
Project Member

Comment 7 by ClusterFuzz, Jan 11 2018

ClusterFuzz has detected this issue as fixed in range 528321:528340.

Detailed report: https://clusterfuzz.com/testcase?key=5682886211796992

Fuzzer: miaubiz_svg_fuzzer
Job Type: linux_cfi_chrome
Platform Id: linux

Crash Type: Bad-cast
Crash Address: 0x7f6abbf76bc0
Crash State:
  Bad-cast to blink::LayoutBox from blink::LayoutSVGViewportContainer
  blink::ToLayoutBox
  blink::ObjectPaintPropertyTreeBuilder::UpdateForChildren
  
Sanitizer: cfi (CFI)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=528240:528249
Fixed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=528321:528340

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5682886211796992

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 8 by sheriffbot@chromium.org, Jan 11 2018

Labels: -reward-topanel reward-ineligible
Project Member

Comment 9 by sheriffbot@chromium.org, Mar 27 2018

Labels: -Security_Impact-Head Security_Impact-Stable
Project Member

Comment 10 by sheriffbot@chromium.org, Apr 20 2018

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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