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Starred by 2 users

Issue metadata

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



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

Project Member Reported by ClusterFuzz, Aug 3

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6053052554149888

Fuzzer: libFuzzer_spvtools_opt_size_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

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

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

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6053052554149888

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Cc: steveperron@google.com
Owner: dsinclair@chromium.org
Status: Assigned (was: Untriaged)
Components: Internals>GPU>Internals
Project Member

Comment 3 by ClusterFuzz, Aug 4

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

Comment 6 by ClusterFuzz, Aug 10

ClusterFuzz has detected this issue as fixed in range 581969:581979.

Detailed report: https://clusterfuzz.com/testcase?key=6053052554149888

Fuzzer: libFuzzer_spvtools_opt_size_fuzzer
Job Type: libfuzzer_chrome_asan_debug
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000018
Crash State:
  spvtools::opt::Pass::ProcessCallTreeFromRoots
  spvtools::opt::Pass::ProcessEntryPointCallTree
  spvtools::opt::InlineExhaustivePass::ProcessImpl
  
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=581969:581979

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6053052554149888

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 7 by ClusterFuzz, Aug 10

Labels: ClusterFuzz-Verified
Status: Verified (was: Fixed)
ClusterFuzz testcase 6053052554149888 is verified as fixed, so closing issue as verified.

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

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