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Issue 863158 link

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Issue metadata

Status: Duplicate
Merged: issue 862635
Owner:
Closed: Jul 14
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug-Security



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Heap-use-after-free in blink::PaintChunk::PaintChunk

Project Member Reported by ClusterFuzz, Jul 12

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5242676111474688

Fuzzer: miaubiz_svg_fuzzer
Job Type: windows_asan_chrome_no_sandbox
Platform Id: windows

Crash Type: Heap-use-after-free READ 1
Crash Address: 0x1259d4224f08
Crash State:
  blink::PaintChunk::PaintChunk
  blink::PaintChunker::IncrementDisplayItemIndex
  blink::PaintController::ProcessNewItem
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=572427:572428

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5242676111474688

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jul 12

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/+/5c301712a67bbe70026048a224b4608628199e12 (Fix CompositingContainer for replaced normal-flow stacking contexts.).

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.
Components: Blink>Paint
Labels: M-69
Project Member

Comment 3 by sheriffbot@chromium.org, Jul 13

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 4 by sheriffbot@chromium.org, Jul 13

Labels: Pri-1
Mergedinto: 862635
Status: Duplicate (was: Assigned)
Project Member

Comment 6 by sheriffbot@chromium.org, Jul 14

Labels: -reward-topanel reward-ineligible
Project Member

Comment 7 by ClusterFuzz, Jul 18

ClusterFuzz has detected this issue as fixed in range 575742:575743.

Detailed report: https://clusterfuzz.com/testcase?key=5242676111474688

Fuzzer: miaubiz_svg_fuzzer
Job Type: windows_asan_chrome_no_sandbox
Platform Id: windows

Crash Type: Heap-use-after-free READ 1
Crash Address: 0x1259d4224f08
Crash State:
  blink::PaintChunk::PaintChunk
  blink::PaintChunker::IncrementDisplayItemIndex
  blink::PaintController::ProcessNewItem
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=572427:572428
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=575742:575743

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5242676111474688

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, Oct 25

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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