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Issue metadata

Status: Verified
Owner:
Closed: Aug 31
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Bad-cast to blink::LayoutTableRow from blink::LayoutSVGText in blink::ToLayoutTableRow

Project Member Reported by ClusterFuzz, Aug 29

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4542185912139776

Fuzzer: inferno_twister_c
Job Type: linux_cfi_chrome
Platform Id: linux

Crash Type: Bad-cast
Crash Address: 0x5651ee5b8c60
Crash State:
  Bad-cast to blink::LayoutTableRow from blink::LayoutSVGText
  blink::ToLayoutTableRow
  blink::ElementInnerTextCollector::ProcessNode
  
Sanitizer: cfi (CFI)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=585744:585770

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4542185912139776

Issue filed automatically.

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

Comment 1 by sheriffbot@chromium.org, Aug 29

Labels: Target-70 M-70
Project Member

Comment 2 by sheriffbot@chromium.org, Aug 29

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 3 by sheriffbot@chromium.org, Aug 29

Labels: Pri-1
Components: Blink>Layout
Owner: yosin@chromium.org
Status: Assigned (was: Untriaged)
Guessing https://chromium.googlesource.com/chromium/src/+/72d438ee5563db3087ea1f6630834343bdb8fb65 based on regression range.  Please investigate and feel free to re-assign if it is not the culprit.
Components: -Blink>Layout Blink>Editing>Serialization
Status: Started (was: Assigned)
In review: http://crrev.com/c/1195509 
Project Member

Comment 7 by ClusterFuzz, Aug 31

ClusterFuzz has detected this issue as fixed in range 587509:587513.

Detailed report: https://clusterfuzz.com/testcase?key=4542185912139776

Fuzzer: inferno_twister_c
Job Type: linux_cfi_chrome
Platform Id: linux

Crash Type: Bad-cast
Crash Address: 0x5651ee5b8c60
Crash State:
  Bad-cast to blink::LayoutTableRow from blink::LayoutSVGText
  blink::ToLayoutTableRow
  blink::ElementInnerTextCollector::ProcessNode
  
Sanitizer: cfi (CFI)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=585744:585770
Fixed: https://clusterfuzz.com/revisions?job=linux_cfi_chrome&range=587509:587513

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4542185912139776

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 ClusterFuzz, Aug 31

Labels: ClusterFuzz-Verified
Status: Verified (was: Started)
ClusterFuzz testcase 4542185912139776 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 9 by sheriffbot@chromium.org, Aug 31

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

Comment 11 by sheriffbot@chromium.org, Dec 7

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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