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Issue metadata

Status: Verified
Owner:
Last visit 18 days ago
Closed: Aug 15
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: ----
Type: Bug-Security



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Use-of-uninitialized-value in spvtools::val::CheckDecorationsOfEntryPoints

Project Member Reported by ClusterFuzz, Aug 14

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5787929549733888

Fuzzer: libFuzzer_spvtools_opt_size_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  spvtools::val::CheckDecorationsOfEntryPoints
  spvtools::val::ValidateDecorations
  spvtools::val::ValidateBinaryUsingContextAndValidationState
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=581972:581986

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5787929549733888

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 14

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.
Cc: dsinclair@chromium.org
Labels: -Security_Impact-Head Security_Impact-None
Owner: alanbaker@google.com
Status: Assigned (was: Untriaged)
Project Member

Comment 3 by ClusterFuzz, Aug 15

ClusterFuzz has detected this issue as fixed in range 583086:583106.

Detailed report: https://clusterfuzz.com/testcase?key=5787929549733888

Fuzzer: libFuzzer_spvtools_opt_size_fuzzer
Job Type: libfuzzer_chrome_msan
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  spvtools::val::CheckDecorationsOfEntryPoints
  spvtools::val::ValidateDecorations
  spvtools::val::ValidateBinaryUsingContextAndValidationState
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=581972:581986
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_msan&range=583086:583106

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5787929549733888

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.
Status: Fixed (was: Assigned)
Project Member

Comment 5 by ClusterFuzz, Aug 15

Labels: ClusterFuzz-Verified
Status: Verified (was: Fixed)
ClusterFuzz testcase 5787929549733888 is verified as fixed, so closing issue as verified.

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

Comment 6 by sheriffbot@chromium.org, Aug 15

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Project Member

Comment 7 by sheriffbot@chromium.org, Nov 21

Labels: -Restrict-View-SecurityNotify allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

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