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Issue 923734 link

Starred by 1 user
Status: Assigned
Owner:
rockot@google.com
Cc:
metzman@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug



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CHECK failure: false in scoped_handle_verifier.cc

Project Member Reported by ClusterFuzz, Jan 20 (2 days ago) 
Detailed report: https://clusterfuzz.com/testcase?key=5711581129998336

Fuzzer: libFuzzer_mojo_core_node_channel_fuzzer
Fuzz target binary: mojo_core_node_channel_fuzzer
Job Type: windows_libfuzzer_chrome_asan
Platform Id: windows

Crash Type: CHECK failure
Crash Address: 
Crash State:
  false in scoped_handle_verifier.cc
  base::win::internal::ScopedHandleVerifier::StartTracking
  base::win::VerifierTraits::StartTracking
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=windows_libfuzzer_chrome_asan&range=611580:611589

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5711581129998336

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for instructions to reproduce this bug locally.
Project Member

Comment 1 by ClusterFuzz, Jan 20 (2 days ago)

Labels: M-73 Fuzz-Blocker ReleaseBlock-Beta
This crash occurs very frequently on windows platform and is likely preventing the fuzzer mojo_core_node_channel_fuzzer from making much progress. Fixing this will allow more bugs to be found.

Marking this bug as a blocker for next Beta release.

If this is incorrect, please add ClusterFuzz-Wrong label and remove the ReleaseBlock-Beta label.
Project Member

Comment 2 by ClusterFuzz, Jan 20 (2 days ago)

Components: Internals>PlatformIntegration
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.
Project Member

Comment 3 by ClusterFuzz, Jan 20 (2 days ago)

Labels: Test-Predator-Auto-Owner
Owner: roc...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/24170150bbeeecdae6edc86ae98ad9c9fca77aa8 ([mojo-core] Add fuzzers for Channel & NodeChannel).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.

Comment 4 by ajha@chromium.org, Yesterday (40 hours ago)

Owner: rockot@google.com
Please take a look as this is marked as RB-Beta for M-73.
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