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Issue metadata

Status: Duplicate
Merged: issue 808876
Owner:
Closed: Feb 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug-Security



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Heap-use-after-free in blink::LayoutTableCell::RowIndex

Project Member Reported by ClusterFuzz, Feb 3 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4653400235704320

Fuzzer: bj_broddelwerk
Job Type: windows_asan_content_shell
Platform Id: windows

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x12591c09c868
Crash State:
  blink::LayoutTableCell::RowIndex
  blink::LayoutTableSection::OriginatingCellAt
  blink::LayoutTableSection::RecalcOverflowAfterStyleChange
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=534174:534186

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4653400235704320

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Feb 3 2018

Components: 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, Feb 3 2018

Labels: Test-Predator-Auto-Owner
Owner: chrishtr@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/bc976225e037d9f9ed5cf135bcd16a1187a30d42 ([PE] Recompute overflow for tables).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Project Member

Comment 3 by sheriffbot@chromium.org, Feb 3 2018

Labels: M-65
Project Member

Comment 4 by sheriffbot@chromium.org, Feb 3 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, Feb 3 2018

Labels: Pri-1
Project Member

Comment 6 by sheriffbot@chromium.org, Feb 4 2018

Labels: -Security_Impact-Head Security_Impact-Beta
Mergedinto: 808876
Status: Duplicate (was: Assigned)
Project Member

Comment 8 by ClusterFuzz, Feb 6 2018

ClusterFuzz has detected this issue as fixed in range 534502:534518.

Detailed report: https://clusterfuzz.com/testcase?key=4653400235704320

Fuzzer: bj_broddelwerk
Job Type: windows_asan_content_shell
Platform Id: windows

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x12591c09c868
Crash State:
  blink::LayoutTableCell::RowIndex
  blink::LayoutTableSection::OriginatingCellAt
  blink::LayoutTableSection::RecalcOverflowAfterStyleChange
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=534174:534186
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=534502:534518

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4653400235704320

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.
Labels: -ReleaseBlock-stable
Project Member

Comment 10 by sheriffbot@chromium.org, Mar 27 2018

Labels: -Security_Impact-Beta Security_Impact-Stable
Project Member

Comment 11 by sheriffbot@chromium.org, May 15 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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