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Issue metadata

Status: Duplicate
Merged: issue 736424
Owner:
Closed: Oct 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug
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Null-dereference in WTF::HashTable<blink::Member<blink::MessagePort>,blink::Member<blink::MessagePor

Project Member Reported by ClusterFuzz, Oct 9 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5661748119207936

Fuzzer: inferno_layout_test_unmodified
Job Type: windows_syzyasan_content_shell
Platform Id: windows

Crash Type: Null-dereference
Crash Address: 0x00000073
Crash State:
  WTF::HashTable<blink::Member<blink::MessagePort>,blink::Member<blink::MessagePor
  blink::AXObjectCacheImpl::GenerateAXID
  blink::AXObjectCacheImpl::GetOrCreateAXID
  
Memory Tool: SYZYASAN

Regressed: https://clusterfuzz.com/revisions?job=windows_syzyasan_content_shell&range=507317:507327

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5661748119207936

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Oct 9 2017

Components: Blink>Accessibility Blink>Internals>WTF
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.
Project Member

Comment 2 by ClusterFuzz, Oct 9 2017

Labels: Test-Predator-AutoOwner
Owner: tzik@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/dacad9a5d42f6b1f485aa347fa5b36bf7374286e (Make WTF::RefPtr an alias of scoped_refptr).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.

Comment 3 by tzik@chromium.org, Oct 10 2017

Cc: kochi@chromium.org
Project Member

Comment 4 by ClusterFuzz, Oct 10 2017

ClusterFuzz is analyzing your testcase. Developers can follow the progress at https://clusterfuzz.com/testcase?key=6658619927166976.
Project Member

Comment 5 by ClusterFuzz, Oct 10 2017

ClusterFuzz is analyzing your testcase. Developers can follow the progress at https://clusterfuzz.com/testcase?key=4765774152728576.
Project Member

Comment 6 by ClusterFuzz, Oct 10 2017

ClusterFuzz has detected this issue as fixed in range 507333:507340.

Detailed report: https://clusterfuzz.com/testcase?key=5661748119207936

Fuzzer: inferno_layout_test_unmodified
Job Type: windows_syzyasan_content_shell
Platform Id: windows

Crash Type: Null-dereference
Crash Address: 0x00000073
Crash State:
  WTF::HashTable<blink::Member<blink::MessagePort>,blink::Member<blink::MessagePor
  blink::AXObjectCacheImpl::GenerateAXID
  blink::AXObjectCacheImpl::GetOrCreateAXID
  
Memory Tool: SYZYASAN

Regressed: https://clusterfuzz.com/revisions?job=windows_syzyasan_content_shell&range=507317:507327
Fixed: https://clusterfuzz.com/revisions?job=windows_syzyasan_content_shell&range=507333:507340

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5661748119207936

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.

Comment 7 by tzik@chromium.org, Oct 10 2017

Mergedinto: 736424
Status: Duplicate (was: Assigned)
Project Member

Comment 8 by ClusterFuzz, Oct 10 2017

Labels: Security_Impact-Stable
Detailed report: https://clusterfuzz.com/testcase?key=4765774152728576

Job Type: linux_asan_content_shell
Crash Type: Null-dereference READ
Crash Address: 0x0000000000a8
Crash State:
  blink::AXObjectCacheImpl::GetOrCreateAXID
  blink::AXObjectCacheImpl::GetOrCreate
  blink::AXMenuList::AddChildren
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell&range=480776:480824

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4765774152728576

See https://github.com/google/clusterfuzz-tools for more information.
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components
Labels: -Test-Predator-AutoOwner Test-Predator-Auto-Owner
Project Member

Comment 11 by ClusterFuzz, Nov 18 2017

ClusterFuzz has detected this issue as fixed in range 514498:517698.

Detailed report: https://clusterfuzz.com/testcase?key=4765774152728576

Job Type: linux_asan_content_shell
Crash Type: Null-dereference READ
Crash Address: 0x0000000000a8
Crash State:
  blink::AXObjectCacheImpl::GetOrCreateAXID
  blink::AXObjectCacheImpl::GetOrCreate
  blink::AXMenuList::AddChildren
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell&range=480776:480824
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell&range=514498:517698

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4765774152728576

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.

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