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Issue metadata

Status: Verified
Owner:
Closed: Apr 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in v8::internal::compiler::MayAlias

Project Member Reported by ClusterFuzz, Mar 5 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5722910023745536

Fuzzer: ochang_js_fuzzer
Job Type: linux_cfi_d8
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000008
Crash State:
  v8::internal::compiler::MayAlias
  v8::internal::compiler::LoadElimination::AliasStateInfo::MayAlias
  v8::internal::compiler::LoadElimination::AbstractField::Kill
  
Sanitizer: cfi (CFI)

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_d8&range=51701:51702

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5722910023745536

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Mar 5 2018

Components: Blink>JavaScript>Compiler
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, Mar 5 2018

Labels: Test-Predator-Auto-Owner
Owner: bmeu...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/956ac923e6b39da166aa58237bb679aba4dc1fd5 ([turbofan] Connect non-returning runtime calls to end.).

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, Apr 4 2018

ClusterFuzz has detected this issue as fixed in range 52342:52343.

Detailed report: https://clusterfuzz.com/testcase?key=5722910023745536

Fuzzer: ochang_js_fuzzer
Job Type: linux_cfi_d8
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000008
Crash State:
  v8::internal::compiler::MayAlias
  v8::internal::compiler::LoadElimination::AliasStateInfo::MayAlias
  v8::internal::compiler::LoadElimination::AbstractField::Kill
  
Sanitizer: cfi (CFI)

Regressed: https://clusterfuzz.com/revisions?job=linux_cfi_d8&range=51701:51702
Fixed: https://clusterfuzz.com/revisions?job=linux_cfi_d8&range=52342:52343

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5722910023745536

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 4 by ClusterFuzz, Apr 4 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5722910023745536 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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