This issue is a security regression. If you are not able to fix this quickly, please revert the change that introduced it.

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

This belongs to the layout team.

eae: Assigning to you, please reassign as appropriate. Thanks.

ClusterFuzz has detected this issue as fixed in range 455565:455674.

Detailed report: https://clusterfuzz.com/testcase?key=4804726450552832

Fuzzer: inferno_layout_test_unmodified
Job Type: windows_asan_content_shell
Platform Id: windows

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x2b3092c4
Crash State:
  blink::LayoutBoxModelObject::hasSelfPaintingLayer
  blink::LayoutBlockFlow::addOverhangingFloats
  blink::LayoutBlockFlow::layoutBlockChild
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=449919:449925
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_content_shell&range=455565:455674

Reproducer Testcase: https://clusterfuzz.com/download/AMIfv94UR6rijOXbpto_lycNE1x0X-YlT77kmnMlv3Yk7TSLsl8VqWTD2pJdZN6VrXc-ZvroSIpFCFsc9MKDI694OO7kXEgVA0ap4MNk8vCbqNq90RdcUXPt-7YaUyEaodrPVHVrPQUYizlHiFTqn5n9eGIoXi52gL8VJP5v2Z3reB2Wh1HRd8okVTl8HrnumY_BBkbVOJ9ckT-5fptaMJLkkCNlnkaQW4kWwfC_BI7UsxjjC3Wea5U2rlF4cRPl_9VqxWqv0Q4K39NWkuoFdxg2NY8H4ysi58KU_vrYhrsPXSKvpUUHvADR9qCUzKCYQOQuKa0AdhmaUtRAXEg5WrKxL70ffa7-HQWRBUdbO66bXzwRq8f6Sp8?testcase_id=4804726450552832


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

ClusterFuzz testcase 4804726450552832 is verified as fixed, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

Your change meets the bar and is auto-approved for M59. Please go ahead and merge the CL to branch 3071 manually. Please contact milestone owner if you have questions.
Owners: amineer@(Android), cmasso@(iOS), gkihumba@(ChromeOS), Abdul Syed@(Desktop)

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

According to #7 this is fixed in 59

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