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Issue metadata

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



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Crash in es2::VertexDataManager::writeAttributeData

Project Member Reported by ClusterFuzz, May 6 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4683531447173120

Fuzzer: inferno_layout_test_unmodified
Job Type: windows_asan_chrome_no_sandbox
Platform Id: windows

Crash Type: UNKNOWN READ
Crash Address: 0x00000000
Crash State:
  es2::VertexDataManager::writeAttributeData
  es2::VertexDataManager::prepareVertexData
  es2::Context::applyVertexBuffer
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=465403:465427

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4683531447173120


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Project Member

Comment 1 by ClusterFuzz, Jun 10 2017

Labels: OS-Linux
Project Member

Comment 2 by ClusterFuzz, Jun 29 2017

ClusterFuzz has detected this issue as fixed in range 482716:483036.

Detailed report: https://clusterfuzz.com/testcase?key=4683531447173120

Fuzzer: inferno_layout_test_unmodified
Job Type: windows_asan_chrome_no_sandbox
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000000
Crash State:
  es2::VertexDataManager::writeAttributeData
  es2::VertexDataManager::prepareVertexData
  es2::Context::applyVertexBuffer
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=465403:465427
Fixed: https://clusterfuzz.com/revisions?job=windows_asan_chrome_no_sandbox&range=482716:483036

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4683531447173120


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 3 by ClusterFuzz, Jun 29 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 4683531447173120 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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