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Issue metadata

Status: Verified
Owner:
Closed: Nov 3
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows
Pri: 1
Type: Bug



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Null-dereference READ in v8::internal::FunctionLiteral::kind

Project Member Reported by ClusterFuzz, Oct 31

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4996582417891328

Fuzzer: mbarbella_js_mutation
Job Type: linux_msan_d8
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000028
Crash State:
  v8::internal::FunctionLiteral::kind
  v8::internal::Scope::DeclareVariable
  v8::internal::Parser::Declare
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_d8&range=57171:57172

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4996582417891328

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Project Member

Comment 1 by ClusterFuzz, Oct 31

Components: Blink>JavaScript>Language Blink>JavaScript>Parser
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, Oct 31

Labels: Test-Predator-Auto-Owner
Owner: verwa...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/fd22cfc8a42ae635ef97cc562f97f97aae783ff2 ([parser] Remove RETURN_IF* part 16).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Project Member

Comment 3 by ClusterFuzz, Nov 2

Labels: OS-Windows
Project Member

Comment 4 by ClusterFuzz, Nov 3

ClusterFuzz has detected this issue as fixed in range 57205:57206.

Detailed report: https://clusterfuzz.com/testcase?key=4996582417891328

Fuzzer: mbarbella_js_mutation
Job Type: linux_msan_d8
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000028
Crash State:
  v8::internal::FunctionLiteral::kind
  v8::internal::Scope::DeclareVariable
  v8::internal::Parser::Declare
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_d8&range=57171:57172
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_d8&range=57205:57206

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4996582417891328

See https://github.com/google/clusterfuzz-tools 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 5 by ClusterFuzz, Nov 3

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4996582417891328 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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