New issue
Advanced search Search tips

Issue 870548 link

Starred by 2 users

Issue metadata

Status: Verified
Owner:
Closed: Aug 9
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Mac
Pri: 1
Type: Bug



Sign in to add a comment

Null-dereference READ in spvtools::opt::Instruction::opcode

Project Member Reported by ClusterFuzz, Aug 3

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4722066239258624

Fuzzer: afl_spvtools_opt_legalization_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000028
Crash State:
  spvtools::opt::Instruction::opcode
  spvtools::opt::Instruction::GetBaseAddress
  spvtools::opt::MemPass::GetPtr
  
Sanitizer: address (ASAN)

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

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4722066239258624

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Aug 3

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, Aug 3

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 steveperron@google.com
Owner: dsinclair@chromium.org
Status: Assigned (was: Untriaged)
Project Member

Comment 4 by ClusterFuzz, Aug 4

Labels: OS-Mac
Cc: -steveperron@google.com stevenperron@google.com
Status: Fixed (was: Assigned)
Project Member

Comment 7 by ClusterFuzz, Aug 10

ClusterFuzz has detected this issue as fixed in range 581965:581976.

Detailed report: https://clusterfuzz.com/testcase?key=4722066239258624

Fuzzer: afl_spvtools_opt_legalization_fuzzer
Job Type: afl_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000028
Crash State:
  spvtools::opt::Instruction::opcode
  spvtools::opt::Instruction::GetBaseAddress
  spvtools::opt::MemPass::GetPtr
  
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=581965:581976

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4722066239258624

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 8 by ClusterFuzz, Aug 10

Labels: ClusterFuzz-Verified
Status: Verified (was: Fixed)
ClusterFuzz testcase 4722066239258624 is verified as fixed, so closing issue as verified.

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

Sign in to add a comment