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Issue metadata

Status: Duplicate
Merged: issue 812451
Owner:
Closed: Feb 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Use-of-uninitialized-value in v8::internal::Decoder<v8::internal::Simulator>::DecodeBranchSystemException

Project Member Reported by ClusterFuzz, Feb 15 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6216512596344832

Fuzzer: mbarbella_js_mutation
Job Type: linux_msan_d8
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  v8::internal::Decoder<v8::internal::Simulator>::DecodeBranchSystemException
  v8::internal::Simulator::Run
  v8::internal::Simulator::CallImpl
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_d8&range=51296:51297

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6216512596344832

Issue filed automatically.

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

Comment 1 by sheriffbot@chromium.org, Feb 15 2018

Labels: Pri-1
Owner: neis@chromium.org
Clusterfuzz is pointing at https://chromium.googlesource.com/v8/v8/+/af677f29b1b7c0286b423c4e745303ed51de88e9%5E%21/#F0

Comment 3 by neis@chromium.org, Feb 15 2018

Mergedinto: 812451
Status: Duplicate (was: Untriaged)
Project Member

Comment 4 by ClusterFuzz, Feb 16 2018

ClusterFuzz has detected this issue as fixed in range 51305:51306.

Detailed report: https://clusterfuzz.com/testcase?key=6216512596344832

Fuzzer: mbarbella_js_mutation
Job Type: linux_msan_d8
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  v8::internal::Decoder<v8::internal::Simulator>::DecodeBranchSystemException
  v8::internal::Simulator::Run
  v8::internal::Simulator::CallImpl
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_d8&range=51296:51297
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_d8&range=51305:51306

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6216512596344832

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 sheriffbot@chromium.org, May 25 2018

Labels: -Restrict-View-SecurityTeam 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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