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Issue metadata

Status: Duplicate
Merged: issue 873225
Owner:
Closed: Sep 7
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in spvtools::opt::Pass::ProcessCallTreeFromRoots

Project Member Reported by ClusterFuzz, Sep 5

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6052264805138432

Fuzzer: afl_spvtools_opt_performance_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000018
Crash State:
  spvtools::opt::Pass::ProcessCallTreeFromRoots
  spvtools::opt::Pass::ProcessEntryPointCallTree
  spvtools::opt::LocalSingleStoreElimPass::ProcessImpl
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=580304:580305

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6052264805138432

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Sep 5

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, Sep 5

Cc: d...@everburning.com
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

Remove using std::<foo> statements. (#1756) by dj2@everburning.com - https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools/+/a5a5ea0e2dfce9c755a88af1074ebe68a44d2ed9

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.
Cc: -d...@everburning.com dsinclair@chromium.org
Owner: stevenperron@google.com
Status: Assigned (was: Untriaged)
Mergedinto: 873225
Status: Duplicate (was: Assigned)
Project Member

Comment 5 by ClusterFuzz, Sep 13

ClusterFuzz has detected this issue as fixed in range 589990:590303.

Detailed report: https://clusterfuzz.com/testcase?key=6052264805138432

Fuzzer: afl_spvtools_opt_performance_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000018
Crash State:
  spvtools::opt::Pass::ProcessCallTreeFromRoots
  spvtools::opt::Pass::ProcessEntryPointCallTree
  spvtools::opt::LocalSingleStoreElimPass::ProcessImpl
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=580304:580305
Fixed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=589990:590303

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6052264805138432

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.

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