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Issue metadata

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

Blocked on:
issue v8:7417



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DCHECK failure in obj->IsFixedArray() in wasm-objects-inl.h

Project Member Reported by ClusterFuzz, Feb 7 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5981437141188608

Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: DCHECK failure
Crash Address: 
Crash State:
  obj->IsFixedArray() in wasm-objects-inl.h
  function_tables
  v8::internal::wasm::CreateModuleEnvFromCompiledModule
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_d8_dbg&range=50622:50623

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5981437141188608

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Feb 7 2018

Components: Blink>JavaScript>WebAssembly
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, Feb 7 2018

Labels: Test-Predator-Auto-Owner
Owner: clemensh@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/553e70b9b2f36ce260f1e4d16c8d53aa154513a0 ([wasm] Merge function table and signature table).

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.
Labels: Security_Impact-Head M-66
Blockedon: v8:7417
Labels: -Security_Impact-Head -Security_Severity-High -M-66 M-65 Security_Impact-None Pri-1
I explicitly uploaded this Clusterfuzz testcase ;)
It's not security relevant, since it requires the --no-wasm-jit-to-native flag.
Project Member

Comment 5 by ClusterFuzz, Feb 10 2018

ClusterFuzz has detected this issue as fixed in range 51199:51200.

Detailed report: https://clusterfuzz.com/testcase?key=5981437141188608

Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: DCHECK failure
Crash Address: 
Crash State:
  obj->IsFixedArray() in wasm-objects-inl.h
  function_tables
  v8::internal::wasm::CreateModuleEnvFromCompiledModule
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_d8_dbg&range=50622:50623
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_d8_dbg&range=51199:51200

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5981437141188608

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, Feb 10 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5981437141188608 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 7 by sheriffbot@chromium.org, Feb 10 2018

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Labels: Security_Severity-Low
Setting severity-low for the sake of future reporting.
Project Member

Comment 9 by sheriffbot@chromium.org, May 19 2018

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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