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Issue metadata

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



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Null-dereference READ in v8::internal::SourcePositionInfo::SourcePositionInfo

Project Member Reported by ClusterFuzz, May 9 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6320270927986688

Fuzzer: ochang_js_fuzzer
Job Type: linux_asan_d8
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::SourcePositionInfo::SourcePositionInfo
  v8::internal::SourcePosition::InliningStack
  v8::internal::compiler::CodeGenerator::AssembleSourcePosition
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_d8&range=51290:51291

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6320270927986688

Issue filed automatically.

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

Comment 1 by ClusterFuzz, May 9 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, May 9 2018

Labels: Test-Predator-Auto-Owner
Owner: mstarzinger@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/a56d6169f70aecf828b9647a741e771d0db5d259 ([compiler] Remove obsolete {CompilationInfo::mode}.).

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.
Cc: clemensh@chromium.org
Components: Blink>JavaScript>WebAssembly
Looks related to https://chromium-review.googlesource.com/c/v8/v8/+/1051266, will take another look next week.
Owner: clemensh@chromium.org
Taking this once.
Project Member

Comment 5 by ClusterFuzz, May 10 2018

ClusterFuzz has detected this issue as fixed in range 53110:53111.

Detailed report: https://clusterfuzz.com/testcase?key=6320270927986688

Fuzzer: ochang_js_fuzzer
Job Type: linux_asan_d8
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::SourcePositionInfo::SourcePositionInfo
  v8::internal::SourcePosition::InliningStack
  v8::internal::compiler::CodeGenerator::AssembleSourcePosition
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_d8&range=51290:51291
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_d8&range=53110:53111

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6320270927986688

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 6 by ClusterFuzz, May 10 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6320270927986688 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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