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Issue metadata

Status: Verified
Owner: ----
Closed: Dec 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 3
Type: Bug



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FormatBlock crashes with unusual HTML

Project Member Reported by ClusterFuzz, Oct 22 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4815510813540352

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000030
Crash State:
  nextSibling
  NextSkippingChildren
  blink::CompositeEditCommand::CloneParagraphUnderNewElement
  
Sanitizer: address (ASAN)

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

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4815510813540352

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by ClusterFuzz, Oct 22 2017

Components: Blink>DOM Blink>Editing
Labels: Test-Predator-AutoComponents
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Cc: msrchandra@chromium.org pnangunoori@chromium.org
Labels: M-62 Test-Predator-Wrong CF-NeedsTriage
Unable to provide possible suspect using Predator, CL and Code Search.
Could someone please look into the issue.
Thank You.

Comment 3 by kochi@chromium.org, Oct 24 2017

Owner: yosin@chromium.org
Status: Assigned (was: Untriaged)
yosin@, could you take a look?

Comment 4 by yosin@chromium.org, Oct 25 2017

Components: -Blink>Editing -Blink>DOM Blink>Editing>Command
Labels: -Pri-1 Pri-3
Owner: ----
Status: Available (was: Assigned)
Summary: FormatBlock crashes with unusual HTML (was: Null-dereference READ in nextSibling)
Lower to Pri-3 since real world usage of formatBlock command with unusual HTML is low.
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components
Project Member

Comment 6 by ClusterFuzz, Dec 22 2017

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

Detailed report: https://clusterfuzz.com/testcase?key=4815510813540352

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000030
Crash State:
  nextSibling
  NextSkippingChildren
  blink::CompositeEditCommand::CloneParagraphUnderNewElement
  
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=4815510813540352

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.
Project Member

Comment 7 by ClusterFuzz, Dec 22 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Available)
ClusterFuzz testcase 4815510813540352 is verified as fixed, so closing issue as verified.

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

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