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Issue 905956 link

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Issue metadata

Status: Verified
Owner:
Closed: Nov 17
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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ASSERT: base_inst->IsValidBasePointer() && "We cannot have a base pointer come from this

Project Member Reported by ClusterFuzz, Nov 16

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5194777047597056

Fuzzer: libFuzzer_spvtools_opt_size_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: ASSERT
Crash Address: 
Crash State:
  base_inst->IsValidBasePointer() && "We cannot have a base pointer come from this
  spvtools::opt::Instruction::GetBaseAddress
  spvtools::opt::MemPass::GetPtr
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=579911:580305

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5194777047597056

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 16

Components: Internals>GPU>Internals
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 2 by ClusterFuzz, Nov 16

Cc: dsinclair@chromium.org vmi...@chromium.org piman@chromium.org
Labels: ClusterFuzz-Auto-CC
Automatically adding ccs based on OWNERS file / target commit history.

If this is incorrect, please add ClusterFuzz-Wrong label.
Cc: cwallez@chromium.org
Owner: dneto@chromium.org
Status: Assigned (was: Untriaged)
To dneto@ for triage.

denot@ or cwallez@, did these fuzzers get added for WebGPU? Who is the correct person to triage going forward?
Project Member

Comment 4 by ClusterFuzz, Nov 17

ClusterFuzz has detected this issue as fixed in range 608864:608878.

Detailed report: https://clusterfuzz.com/testcase?key=5194777047597056

Fuzzer: libFuzzer_spvtools_opt_size_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: ASSERT
Crash Address: 
Crash State:
  base_inst->IsValidBasePointer() && "We cannot have a base pointer come from this
  spvtools::opt::Instruction::GetBaseAddress
  spvtools::opt::MemPass::GetPtr
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=579911:580305
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan_debug&range=608864:608878

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5194777047597056

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md 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 5 by ClusterFuzz, Nov 17

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5194777047597056 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Cc: -dsinclair@chromium.org dneto@chromium.org
Owner: dsinclair@chromium.org
This fuzzer is not part of Dawn but SPIRV-Tools itself and issues should be assigned to dsinclair for triage.
Cc: dsinclair@chromium.org
Owner: stevenperron@google.com
This was probably fixed by something Steven added while fixing up fuzzer issues last week.

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