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Issue metadata

Status: Verified
Owner: ----
Closed: Sep 28
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 1
Type: Bug



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Null-dereference READ in ash::ShelfLayoutManager::UpdateBoundsAndOpacity

Project Member Reported by ClusterFuzz, Sep 17

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6724920510513152

Fuzzer: inferno_twister_c
Job Type: linux_asan_chrome_chromeos
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  ash::ShelfLayoutManager::UpdateBoundsAndOpacity
  ash::ShelfLayoutManager::SetState
  ash::ShelfLayoutManager::UpdateVisibilityState
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_chromeos&range=584122:584124

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6724920510513152

Additional requirements: Requires Gestures

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Sep 17

Components: UI>Shell>Shelf
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, Sep 17

Cc: sammiequon@google.com
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

overview: Add title for app info dialogs. by sammiequon@google.com - https://chromium.googlesource.com/chromium/src/+/7f9f47e11ad05331b8ce2a2976fbbc3d716c8aa0

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Project Member

Comment 3 by ClusterFuzz, Sep 28

ClusterFuzz has detected this issue as fixed in range 594764:594765.

Detailed report: https://clusterfuzz.com/testcase?key=6724920510513152

Fuzzer: inferno_twister_c
Job Type: linux_asan_chrome_chromeos
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  ash::ShelfLayoutManager::UpdateBoundsAndOpacity
  ash::ShelfLayoutManager::SetState
  ash::ShelfLayoutManager::UpdateVisibilityState
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_chromeos&range=584122:584124
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_chromeos&range=594764:594765

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6724920510513152

Additional requirements: Requires Gestures

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, Sep 28

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6724920510513152 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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