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Issue metadata

Status: Verified
Owner: ----
Closed: Aug 19
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Null-dereference READ in blink::HTMLImportLoader::Dispose

Project Member Reported by ClusterFuzz, Aug 4

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4956614973718528

Fuzzer: ksakamoto_woff2_fuzzer
Job Type: linux_msan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::HTMLImportLoader::Dispose
  blink::HTMLImportsController::Dispose
  blink::Document::Shutdown
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=576706:576707

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4956614973718528

Additional requirements: Requires Gestures

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Aug 4

Components: Blink>DOM Blink>HTML
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.
Components: -Blink>HTML -Blink>DOM Blink>HTML>Modules
Labels: -Pri-1 Pri-2
Status: Available (was: Untriaged)
Project Member

Comment 3 by ClusterFuzz, Aug 19

ClusterFuzz has detected this issue as fixed in range 584314:584315.

Detailed report: https://clusterfuzz.com/testcase?key=4956614973718528

Fuzzer: ksakamoto_woff2_fuzzer
Job Type: linux_msan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  blink::HTMLImportLoader::Dispose
  blink::HTMLImportsController::Dispose
  blink::Document::Shutdown
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=576706:576707
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=584314:584315

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4956614973718528

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, Aug 19

Labels: ClusterFuzz-Verified
Status: Verified (was: Available)
ClusterFuzz testcase 4956614973718528 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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