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Issue metadata

Status: Verified
Owner:
Closed: Jan 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in GetTreeScope

Project Member Reported by ClusterFuzz, Jan 30 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5970173321019392

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  GetTreeScope
  GetDocument
  blink::StyleAdjuster::AdjustComputedStyle
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=532379:532380

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5970173321019392

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jan 30 2018

Components: Blink>CSS Blink>DOM
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, Jan 30 2018

Labels: Test-Predator-Auto-Owner
Owner: jfernan...@igalia.com
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/d1fe575dbeb077ce496b11c05bd92aed93289831 ([css-align] Add use counter for the 'legacy' alignment).

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.
Project Member

Comment 3 by ClusterFuzz, Jan 30 2018

ClusterFuzz has detected this issue as fixed in range 532735:532736.

Detailed report: https://clusterfuzz.com/testcase?key=5970173321019392

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_lsan_chrome_mp
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  GetTreeScope
  GetDocument
  blink::StyleAdjuster::AdjustComputedStyle
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=532379:532380
Fixed: https://clusterfuzz.com/revisions?job=linux_lsan_chrome_mp&range=532735:532736

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5970173321019392

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 4 by ClusterFuzz, Jan 30 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5970173321019392 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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