New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 848658 link

Starred by 1 user

Issue metadata

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



Sign in to add a comment

Null-dereference READ in v8::internal::MarkCompactCollector::RootMarkingVisitor::VisitRootPointers

Project Member Reported by ClusterFuzz, Jun 1 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5397761290403840

Fuzzer: mbarbella_js_mutation
Job Type: linux_msan_d8
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::MarkCompactCollector::RootMarkingVisitor::VisitRootPointers
  v8::internal::WasmCompileLazyFrame::Iterate
  v8::internal::Isolate::Iterate
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_d8&range=53404:53405

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5397761290403840

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jun 1 2018

Components: Blink>JavaScript>GC
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, Jun 1 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/+/b2abe2cf971a382e973a9e99124452a9bfe2005a ([wasm] Introduce specialized WasmCompileLazy frame type.).

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, Jun 6 2018

ClusterFuzz has detected this issue as fixed in range 53514:53515.

Detailed report: https://clusterfuzz.com/testcase?key=5397761290403840

Fuzzer: mbarbella_js_mutation
Job Type: linux_msan_d8
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::MarkCompactCollector::RootMarkingVisitor::VisitRootPointers
  v8::internal::WasmCompileLazyFrame::Iterate
  v8::internal::Isolate::Iterate
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_d8&range=53404:53405
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_d8&range=53514:53515

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5397761290403840

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, Jun 6 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5397761290403840 is verified as fixed, so closing issue as verified.

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

Sign in to add a comment