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Issue metadata

Status: Verified
Owner: ----
Closed: Nov 29
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug



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Null-dereference READ in mojo::core::WatcherDispatcher::WatchDispatcher

Project Member Reported by ClusterFuzz, Nov 28

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5691702075195392

Fuzzer: inferno_twister_c
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  mojo::core::WatcherDispatcher::WatchDispatcher
  mojo::core::Core::AddTrigger
  MojoAddTriggerImpl
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=603104:603123

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5691702075195392

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 28

Components: Internals>Mojo
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.
Cc: roc...@chromium.org kkaluri@chromium.org
Labels: M-72 Test-Predator-Wrong CF-NeedsTriage
Unable to provide possible suspect using Predator, CL and Code Search.
rockot@ Could you please look into the issue.

Thank You...

Project Member

Comment 3 by ClusterFuzz, Nov 29

ClusterFuzz has detected this issue as fixed in range 611973:611983.

Detailed report: https://clusterfuzz.com/testcase?key=5691702075195392

Fuzzer: inferno_twister_c
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  mojo::core::WatcherDispatcher::WatchDispatcher
  mojo::core::Core::AddTrigger
  MojoAddTriggerImpl
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=603104:603123
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=611973:611983

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5691702075195392

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, Nov 29

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 5691702075195392 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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