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Issue metadata

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



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Use-of-uninitialized-value in v8::internal::Serializer<v8::internal::DefaultSerializerAllocator>::ObjectSerial

Project Member Reported by ClusterFuzz, May 3 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5714839251714048

Fuzzer: mbarbella_js_mutation
Job Type: linux_msan_d8
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  v8::internal::Serializer<v8::internal::DefaultSerializerAllocator>::ObjectSerial
  v8::internal::Serializer<v8::internal::DefaultSerializerAllocator>::ObjectSerial
  v8::internal::Serializer<v8::internal::DefaultSerializerAllocator>::ObjectSerial
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_d8&range=52942:52943

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5714839251714048

Issue filed automatically.

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

Comment 1 by ClusterFuzz, May 3 2018

Components: Blink>JavaScript>Runtime
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 3 2018

Labels: Test-Predator-Auto-Owner
Owner: delph...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/40f1aaf330dc37f12bd5015b7d11dcbebfb55c59 ([heap] Mark RO_SPACE as read-only after deserialization).

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, May 4 2018

ClusterFuzz has detected this issue as fixed in range 52943:52944.

Detailed report: https://clusterfuzz.com/testcase?key=5714839251714048

Fuzzer: mbarbella_js_mutation
Job Type: linux_msan_d8
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  v8::internal::Serializer<v8::internal::DefaultSerializerAllocator>::ObjectSerial
  v8::internal::Serializer<v8::internal::DefaultSerializerAllocator>::ObjectSerial
  v8::internal::Serializer<v8::internal::DefaultSerializerAllocator>::ObjectSerial
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_d8&range=52942:52943
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_d8&range=52943:52944

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5714839251714048

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, May 4 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5714839251714048 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 5 by sheriffbot@chromium.org, May 4 2018

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

Comment 6 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1
Project Member

Comment 7 by sheriffbot@chromium.org, Aug 10

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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