From findit tool:

Author: tkent
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src//+/832f566e42870da7a6e9df3c8a64c0e2f1f28b9e
Time: Wed Feb 24 03:48:19 2016
The CL last changed line 846 of file Editor.cpp, which is stack frame 6.

Route to Editing triage.

Moving this nonessential bug to the next milestone.

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

Lower to Pri-2, stable and canary don't crash and it is caused by unstructured HTML, e.g. multiple HTML element.

This issue has been moved once and is lower than Pri-1. Removing the milestone.

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

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4889235719192576

Fuzzer: bj_broddelwerk
Job Type: windows_syzyasan_chrome
Platform Id: windows

Crash Type: UNKNOWN
Crash Address: 0x0000000b
Crash State:
  blink::InsertParagraphSeparatorCommand::doApply
  blink::CompositeEditCommand::applyCommandToComposite
  blink::TypingCommand::insertParagraphSeparator
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=windows_syzyasan_chrome&range=403281:403408

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv96MMcGfb5boxGrkcHIuBIlJjlsEV4dn9YMsRwtm3BaW1cZh6vo3yCT0ZfvmocHkYNgiPaXi1PYPGrX3CMz-7gQXeZqv78AOxxp0H_TCSc6FoHVtv2Jr_o_B_AmOhkDTt3h59yEce5I1nw_go1QAVcWPrmreMqGXry4tCaaDZCrTXFGkvwY?testcase_id=4889235719192576


Additional requirements: Requires Gestures

Filer: nyerramilli

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

ClusterFuzz has detected this issue as fixed in range 417791:417794.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5037267844595712

Fuzzer: bj_broddelwerk
Job Type: linux_asan_chrome_v8_arm
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x00000008
Crash State:
  blink::InsertParagraphSeparatorCommand::doApply
  blink::CompositeEditCommand::applyCommandToComposite
  blink::TypingCommand::insertParagraphSeparator
  
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_v8_arm&range=417791:417794

Unminimized Testcase: https://cluster-fuzz.appspot.com/download/AMIfv96-3bajCLY1jXR3zVutzEgveQ3wa87VpBVBmwMCXHjHinee60dAEArTEH-jrRevIwVxhMZ-QlYjtP1VC6WEkkOdbQY4PPm-GOANmjOZ9Mged0LmsImZynZHroB99FODxbBcCLUMX8VX7WGLYWaU0Q55cYiUr2V_Jf3XyFgpSRpKmiNMP3M?testcase_id=5037267844595712


Additional requirements: Requires Gestures

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.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5560224452968448

Fuzzer: bj_broddelwerk
Job Type: linux_asan_chrome_mp
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x000000000000
Crash State:
  blink::InsertParagraphSeparatorCommand::doApply
  blink::CompositeEditCommand::applyCommandToComposite
  blink::TypingCommand::insertParagraphSeparator
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_mp&range=290109:290723

Minimized Testcase (7.15 Kb): https://cluster-fuzz.appspot.com/download/AMIfv96wfHryn1h_8MMXOj6xG5tp02DeA15pH2qtOdY2ru5KvoUzXCHtwLmyNuNSFVCpfi2yOgHAmdtTw_rn_N58QN4C1DFZPzxHR-B-2MhP5m4W57hxXMPMvJS48QcD4NJnVAtJ0gCd3iJMi9rVUlOzb4X4E0mwAA?testcase_id=5560224452968448

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

Removing EditIssue view restrictions from ClusterFuzz filed bugs. If you believe that this issue should still be restricted, please reapply the label.

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

Unable to find the possible suspect using Find it and CL.
Using Code Search for the file, "InsertParagraphSeparatorCommand.cpp" assigning to the concern owner.

@xiaochengh -- Could you please look into the issue, kindly re-assign if this is not related to your change.

ClusterFuzz testcase 4889235719192576 is flaky and no longer reproduces, so closing issue.

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