Assigning to the concern owner from Predator results --
The result is a list of CLs that change the crashed files. 

Author: yosin
Project: chromium
Changelist: https://chromium.googlesource.com/chromium/src/+/d892f9592860691ae9a782c12260c94ed6bd1a63
Time: Tue Feb 14 15:56:00 2017
Lines 176 of file SelectionEditor.cpp which potentially caused crash are changed in this cl (frame #3, "ComputePositionForChildrenRemoval").
Minimum distance from crash line to modified line: 0. (file: SelectionEditor.cpp, crashed on: 176, modified: 176).

@yosin -- Could you please look into the issue, kindly re-assign if this is not related to your changes.
Thank You.

Lower to Pri-2, since this issue caused by unusual HTML.

Bulk set to Pri-3 for cluster fuzz bugs.
Since these issues are happens with unusual HTML.

ClusterFuzz has detected this issue as fixed in range 474922:474938.

Detailed report: https://clusterfuzz.com/testcase?key=5702671177875456

Fuzzer: ifratric-browserfuzzer-v3
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
  blink::Node::ContainsIncludingHostElements
  blink::SelectionEditor::NodeChildrenWillBeRemoved
  blink::SynchronousMutationNotifier::NotifyNodeChildrenWillBeRemoved
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=450347:450401
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=474922:474938

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5702671177875456


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 5702671177875456 is verified as fixed, so closing issue.

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