Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.

Unable to provide possible suspect using Predator, CL and Code Search.
Could someone please look into the issue.
Thank You.

With debug build and the minimized test case from clustefuzz,
I got the following backtrace:

[1:1:1010/173441.749787:710971728942:FATAL:EditingUtilities.cpp(291)] Check failed: a.IsNotNull(). 
#0 0x7fe639659dbd base::debug::StackTrace::StackTrace()
#1 0x7fe6396581ec base::debug::StackTrace::StackTrace()
#2 0x7fe6396de8ba logging::LogMessage::~LogMessage()
#3 0x7fe631a298f3 blink::ComparePositions()
#4 0x7fe631ada6af blink::CompositeEditCommand::MoveParagraphWithClones()
#5 0x7fe631af5403 blink::FormatBlockCommand::FormatRange()
#6 0x7fe631abebca blink::ApplyBlockElementCommand::FormatSelection()
#7 0x7fe631af4cf8 blink::FormatBlockCommand::FormatSelection()
#8 0x7fe631abe315 blink::ApplyBlockElementCommand::DoApply()
#9 0x7fe631ad2c6d blink::CompositeEditCommand::Apply()
#10 0x7fe631aed623 blink::ExecuteFormatBlock()
#11 0x7fe631aead59 blink::Editor::Command::Execute()
#12 0x7fe631ae9223 blink::Document::execCommand()
#13 0x7fe632a60f36 blink::DocumentV8Internal::execCommandMethod()
#14 0x7fe632a60417 blink::V8Document::execCommandMethodCallback()
#15 0x7fe6338a22f2 v8::internal::FunctionCallbackArguments::Call()
#16 0x7fe63399d8f3 v8::internal::(anonymous namespace)::HandleApiCallHelper<>()
#17 0x7fe63399bae3 v8::internal::Builtin_Impl_HandleApiCall()
#18 0x7fe63399b4ad v8::internal::Builtin_HandleApiCall()
#19 0x2ff950a047e4 <unknown>

Forwarding to Editing team.

Lower to Pri-3 since real world usage of "FormatBlock" command is low.

Automatically adding ccs based on suspected regression changelists:

https://chromium.googlesource.com/chromium/src/+/ae846887d618ba498e64d79de606c8851e62f6da (Add base::Reversed() as an adapter for range-based for loops in reverse by mdempsky@chromium.org)https://chromium.googlesource.com/chromium/src/+/767ea6b133ce5e1818ac6f41c6210ba073a686b4 (Cleanup. by pkasting@chromium.org)https://chromium.googlesource.com/chromium/src/+/a772c842fc3107346666ba7884e2d062fa6a5537 (cc:: Remove main_frame_before_draw_enabled from scheduler settings. by orglofch@chromium.org)
If this is incorrect, please apply the Test-Predator-Wrong-CLs label.

Automatically adding ccs based on suspected regression changelists:

https://chromium.googlesource.com/chromium/src/+/ae846887d618ba498e64d79de606c8851e62f6da (Add base::Reversed() as an adapter for range-based for loops in reverse by mdempsky@chromium.org)https://chromium.googlesource.com/chromium/src/+/767ea6b133ce5e1818ac6f41c6210ba073a686b4 (Cleanup. by pkasting@chromium.org)https://chromium.googlesource.com/chromium/src/+/a772c842fc3107346666ba7884e2d062fa6a5537 (cc:: Remove main_frame_before_draw_enabled from scheduler settings. by orglofch@chromium.org)
If this is incorrect, please apply the Test-Predator-Wrong-CLs label.

Automatically adding ccs based on suspected regression changelists:

https://chromium.googlesource.com/chromium/src/+/ae846887d618ba498e64d79de606c8851e62f6da (Add base::Reversed() as an adapter for range-based for loops in reverse by mdempsky@chromium.org)https://chromium.googlesource.com/chromium/src/+/767ea6b133ce5e1818ac6f41c6210ba073a686b4 (Cleanup. by pkasting@chromium.org)https://chromium.googlesource.com/chromium/src/+/a772c842fc3107346666ba7884e2d062fa6a5537 (cc:: Remove main_frame_before_draw_enabled from scheduler settings. by orglofch@chromium.org)
If this is incorrect, please apply the Test-Predator-Wrong-CLs label.

Automatically adding ccs based on suspected regression changelists:

https://chromium.googlesource.com/chromium/src/+/ae846887d618ba498e64d79de606c8851e62f6da (Add base::Reversed() as an adapter for range-based for loops in reverse by mdempsky@chromium.org)https://chromium.googlesource.com/chromium/src/+/767ea6b133ce5e1818ac6f41c6210ba073a686b4 (Cleanup. by pkasting@chromium.org)https://chromium.googlesource.com/chromium/src/+/a772c842fc3107346666ba7884e2d062fa6a5537 (cc:: Remove main_frame_before_draw_enabled from scheduler settings. by orglofch@chromium.org)
If this is incorrect, please apply the Test-Predator-Wrong-CLs label.

Automatically adding ccs based on suspected regression changelists:

https://chromium.googlesource.com/chromium/src/+/ae846887d618ba498e64d79de606c8851e62f6da (Add base::Reversed() as an adapter for range-based for loops in reverse by mdempsky@chromium.org)https://chromium.googlesource.com/chromium/src/+/767ea6b133ce5e1818ac6f41c6210ba073a686b4 (Cleanup. by pkasting@chromium.org)https://chromium.googlesource.com/chromium/src/+/a772c842fc3107346666ba7884e2d062fa6a5537 (cc:: Remove main_frame_before_draw_enabled from scheduler settings. by orglofch@chromium.org)
If this is incorrect, please apply the Test-Predator-Wrong-CLs label.

Automatically adding ccs based on suspected regression changelists:

https://chromium.googlesource.com/chromium/src/+/ae846887d618ba498e64d79de606c8851e62f6da (Add base::Reversed() as an adapter for range-based for loops in reverse by mdempsky@chromium.org)https://chromium.googlesource.com/chromium/src/+/767ea6b133ce5e1818ac6f41c6210ba073a686b4 (Cleanup. by pkasting@chromium.org)https://chromium.googlesource.com/chromium/src/+/a772c842fc3107346666ba7884e2d062fa6a5537 (cc:: Remove main_frame_before_draw_enabled from scheduler settings. by orglofch@chromium.org)
If this is incorrect, please apply the Test-Predator-Wrong-CLs label.

Automatically adding ccs based on suspected regression changelists:

https://chromium.googlesource.com/chromium/src/+/ae846887d618ba498e64d79de606c8851e62f6da (Add base::Reversed() as an adapter for range-based for loops in reverse by mdempsky@chromium.org)https://chromium.googlesource.com/chromium/src/+/767ea6b133ce5e1818ac6f41c6210ba073a686b4 (Cleanup. by pkasting@chromium.org)https://chromium.googlesource.com/chromium/src/+/a772c842fc3107346666ba7884e2d062fa6a5537 (cc:: Remove main_frame_before_draw_enabled from scheduler settings. by orglofch@chromium.org)
If this is incorrect, please apply the Test-Predator-Wrong-CLs label.

Please ignore the Test-Predator-Auto-CC comment spam above, there was a bug in our script that caused it to create same comment multiple times and also didn't add ccs properly. 

ClusterFuzz has detected this issue as fixed in range 525936:525937.

Detailed report: https://clusterfuzz.com/testcase?key=4831739850784768

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
  GetFlag
  isConnected
  blink::Node::IsDescendantOf
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=297214:297254
Fixed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=525936:525937

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4831739850784768

See https://github.com/google/clusterfuzz-tools 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 4831739850784768 is verified as fixed, so closing issue as verified.

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