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Issue 904096 link

Starred by 1 user
Status: Duplicate
Merged: issue 873225
Owner:
stevenperron@google.com
Closed: Nov 14
Cc:
metzman@google.com
dsinclair@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug



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Null-dereference READ in spvtools::opt::analysis::DefUseManager::UpdateDefUse

Project Member Reported by ClusterFuzz, Nov 10 
Detailed report: https://clusterfuzz.com/testcase?key=5735476595785728

Fuzzer: libFuzzer_spvtools_opt_legalization_fuzzer
Job Type: windows_libfuzzer_chrome_asan
Platform Id: windows

Crash Type: Null-dereference READ
Crash Address: 0x00000000002d
Crash State:
  spvtools::opt::analysis::DefUseManager::UpdateDefUse
  spvtools::opt::PrivateToLocalPass::GetNewType
  spvtools::opt::PrivateToLocalPass::MoveVariable
  
Sanitizer: address (ASAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5735476595785728

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing_on_windows.md for more information.

Comment 1 by dsinclair@chromium.org, Nov 12

Cc: dsinclair@chromium.org
Components: Internals>GPU>Internals
Owner: stevenperron@google.com
Status: Assigned (was: Untriaged)

Comment 2 by stevenperron@google.com, Nov 14

Mergedinto: 873225
Status: Duplicate (was: Assigned)

Comment 3 by metzman@chromium.org, Dec 14 

The documentation for reproducing bugs on Windows was moved to: https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md
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