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Issue metadata

Status: Verified
Owner: ----
Closed: Jun 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Chrome , Mac
Pri: 1
Type: Bug



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CHECK failure: count <= MaxElementCountInBackingStore<T>() in HeapAllocator.h

Project Member Reported by ClusterFuzz, Jun 7 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6369665629814784

Fuzzer: bj_broddelwerk
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: CHECK failure
Crash Address: 
Crash State:
  count <= MaxElementCountInBackingStore<T>() in HeapAllocator.h
  unsigned long blink::HeapAllocator::QuantizedSize<blink::Member<blink::Element> 
  void WTF::Vector<blink::Member<blink::Element>, 0ul, blink::HeapAllocator>::Appe
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=477230:477249

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6369665629814784


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Components: Blink
Labels: OS-Chrome OS-Linux OS-Windows
[mac bug triage]

Sending to Blink component for further triage.
Components: -Blink Blink>Bindings
Components: -Blink>Bindings Blink>HTML
Looks like this is an issue in the HTMLCollection code, rather than bindings. Sending to Blink>HTML for triage.
Project Member

Comment 4 by ClusterFuzz, Jun 8 2017

ClusterFuzz has detected this issue as fixed in range 477544:477573.

Detailed report: https://clusterfuzz.com/testcase?key=6369665629814784

Fuzzer: bj_broddelwerk
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: CHECK failure
Crash Address: 
Crash State:
  count <= MaxElementCountInBackingStore<T>() in HeapAllocator.h
  unsigned long blink::HeapAllocator::QuantizedSize<blink::Member<blink::Element> 
  void WTF::Vector<blink::Member<blink::Element>, 0ul, blink::HeapAllocator>::Appe
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=477230:477249
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=477544:477573

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6369665629814784


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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 5 by ClusterFuzz, Jun 8 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6369665629814784 is verified as fixed, so closing issue.

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

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