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

A friendly reminder that M57 Beta launch is coming soon on February 2nd! Your bug is labelled as Beta ReleaseBlock, pls make sure to land the fix and get it merged into the release branch (2987) ASAP so it gets enough baking time in Dev (before Beta promotion). Thank you!

robhogan@: It seems you tried to fix this in  Issue 681423 . That one got detected as fixed, but this one got subsequently found.

ClusterFuzz has detected this issue as fixed in range 446211:446229.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5218368828473344

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: Heap-use-after-free READ 4
Crash Address: 0xb6f2a0b4
Crash State:
  blink::LayoutBlockFlow::moveAllChildrenIncludingFloatsTo
  blink::LayoutRubyBase::moveBlockChildren
  blink::LayoutRubyBase::moveChildren
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_v8_arm&range=444763:444844
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_v8_arm&range=446211:446229

Minimized Testcase (1.28 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95AR7tgdqMjWCIposoKsTDaXpdeu3UJV7V0Vxeea1WKPI5h8DD2g6yoLYtTNsSkpun1wpTy0Z5YDFxjbXLJqsG9030udAjTdAmow0Wy3qBK0bD1u1Say8hXHOcJNr3W3GodJSM0fPA3P6K7JrR1JmhKQK6L7VLnYh_ojJn3Wfrpk_K4_sxB2fG7jg2ImqRbRDExuUGbeaaMTrerB3PcFEv3yvsBwTSistjmZlbwm1Ho_PGk-JRVbjTqskHce0gHf6Nz4uJzkdQO89Pc8yL5zvU2F-aPKte63fLneuVPpJF8VMaoj2ByvXdWaV9V2JN1LncID-4_wDmtHzuDymFNwYbKkhhC5gwboFKV2ijn8QdSxW01Zpo?testcase_id=5218368828473344

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 has detected this issue as fixed in range 446318:446618.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5218368828473344

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: Heap-use-after-free READ 4
Crash Address: 0xb6f2a0b4
Crash State:
  blink::LayoutBlockFlow::moveAllChildrenIncludingFloatsTo
  blink::LayoutRubyBase::moveBlockChildren
  blink::LayoutRubyBase::moveChildren
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_v8_arm&range=444763:444844
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_v8_arm&range=446318:446618

Minimized Testcase (1.28 Kb): https://cluster-fuzz.appspot.com/download/AMIfv95AR7tgdqMjWCIposoKsTDaXpdeu3UJV7V0Vxeea1WKPI5h8DD2g6yoLYtTNsSkpun1wpTy0Z5YDFxjbXLJqsG9030udAjTdAmow0Wy3qBK0bD1u1Say8hXHOcJNr3W3GodJSM0fPA3P6K7JrR1JmhKQK6L7VLnYh_ojJn3Wfrpk_K4_sxB2fG7jg2ImqRbRDExuUGbeaaMTrerB3PcFEv3yvsBwTSistjmZlbwm1Ho_PGk-JRVbjTqskHce0gHf6Nz4uJzkdQO89Pc8yL5zvU2F-aPKte63fLneuVPpJF8VMaoj2ByvXdWaV9V2JN1LncID-4_wDmtHzuDymFNwYbKkhhC5gwboFKV2ijn8QdSxW01Zpo?testcase_id=5218368828473344

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.

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