suspected cl : https://chromium.googlesource.com/chromium/src/+/bd9019df015f63a4264179042fd2a23d2e0ebd3e%5E%21/third_party/WebKit/Source/core/editing/VisiblePosition.cpp

yosin@ could you please look into this, Thanks in advance

ClusterFuzz has detected this issue as fixed in range 406809:407197.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5891333848039424

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_debug_content_shell_drt
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  positionWithAffinity.position().inShadowIncludingDocument(). OBJECT@beforeAnchor
  blink::VisiblePositionTemplate<>::create
  blink::createVisiblePosition
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_content_shell_drt&range=389884:390111
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_debug_content_shell_drt&range=406809:407197

Minimized Testcase (0.38 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96TjJgi7O3qAGSd2ho0NR_fjyLfmYe-MJ_PG8lCcWBBP77hFWF_VtRsdy1FEMmSV8-nCSqq3UTFDLF-J9Jt2ulxY0sXnAKDA6bw3os0KB0LnL_kxtYYK0F71xJwJcQMsWEGyANZCEzdvqCcu1Hzi545q108SA?testcase_id=5891333848039424

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ClusterFuzz testcase is verified as fixed, closing issue.

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