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Issue metadata

Status: Verified
Owner:
Closed: Aug 7
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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CHECK failure: IsFirstAfterBreak(line_top_in_flow_thread) || !line.PaginationStrut() || !IsLogi

Project Member Reported by ClusterFuzz, Jul 24

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6300064981712896

Fuzzer: marty_html_twiddler
Job Type: linux_debug_chrome
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  IsFirstAfterBreak(line_top_in_flow_thread) || !line.PaginationStrut() || !IsLogi
  blink::MinimumSpaceShortageFinder::ExamineLine
  blink::ColumnBalancer::TraverseLines
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_debug_chrome&range=529050:529051

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6300064981712896

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jul 24

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

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

Comment 2 by ClusterFuzz, Jul 24

Labels: Test-Predator-Auto-Owner
Owner: lukasza@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/ffb5de3934abd4e16399b2f79e7100823c6076fd (Don't propagate cmdline flags that are not read by renderer processes.).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Labels: Test-Predator-Wrong-CLs
I am adding Test-Predator-Wrong-CLs label and removing myself as an owner, because I think the explanation from  https://crbug.com/823148#c3  applies here as well.  Note that r529051 is 6+ months old - IMO this further reinforces that the CL is blamed incorrectly. 
Owner: chrishtr@chromium.org
chrishtr@ - could you PTAL and help triage as one of blink/renderer/core/layout/OWNERS?  I tried to poke around in git blame, but MinimumSpaceShortageFinder::ExamineLine wasn't changed in the last 3 months or so (and the most recent changes were just from blink code style reformatting CLs).
Owner: e...@chromium.org
Project Member

Comment 6 by ClusterFuzz, Aug 7

ClusterFuzz has detected this issue as fixed in range 581158:581159.

Detailed report: https://clusterfuzz.com/testcase?key=6300064981712896

Fuzzer: marty_html_twiddler
Job Type: linux_debug_chrome
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  IsFirstAfterBreak(line_top_in_flow_thread) || !line.PaginationStrut() || !IsLogi
  blink::MinimumSpaceShortageFinder::ExamineLine
  blink::ColumnBalancer::TraverseLines
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_debug_chrome&range=529050:529051
Fixed: https://clusterfuzz.com/revisions?job=linux_debug_chrome&range=581158:581159

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6300064981712896

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, Aug 7

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6300064981712896 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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