Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.

Predator has provided 8 possible suspects.

1. Stats analyzer uses validator by andreyt@google.com
2. Remove source/instruction.cpp by dneto@google.com
3. Stats analyzer aggregates OpConstant usage by andreyt@google.com
4. Make sure all instructions are in the ordered list. by dsinclair@chromium.org
5. Remove unnecessary headers by umar@arrayfire.com
6. Convert validation to use libspriv::Instruction where possible. (#1663) by dj2@everburning.com
7. Change libspirv to spvtools namespace (#1678) by dj2@everburning.com
8. Re-format files in source, source/opt, source/util, source/val and tools. by dnovillo@google.com

Using Code Search for the file, "source/val/instruction.h" suspecting the below Cl might have caused this issue

Assigning to dsinclair@ for his recent work on above file

dsinclair@ -- Could you please look into this issue.


Thanks!

Expect this is fixed by https://github.com/KhronosGroup/SPIRV-Tools/commit/e7fdcdba75eda1f5a70d689cf50628389efa3ed0

ClusterFuzz has detected this issue as fixed in range 583092:583110.

Detailed report: https://clusterfuzz.com/testcase?key=5763962256490496

Fuzzer: afl_spvtools_val_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000044
Crash State:
  spvtools::val::Instruction::id
  bool spvtools::val::idUsage::isValid<
  spvtools::val::idUsage::isValid
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=579912:579914
Fixed: https://clusterfuzz.com/revisions?job=afl_chrome_asan&range=583092:583110

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5763962256490496

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.

ClusterFuzz testcase 5763962256490496 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.