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Issue metadata

Status: Verified
Owner:
Closed: Apr 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug



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Null-dereference READ in v8::internal::Isolate::ThreadDataTable::Lookup

Project Member Reported by ClusterFuzz, Oct 22 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5279794093883392

Fuzzer: libFuzzer_javascript_parser_proto_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::Isolate::ThreadDataTable::Lookup
  v8::internal::Isolate::FindOrAllocatePerThreadDataForThisThread
  v8::internal::Isolate::Enter
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=509729:509761

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5279794093883392

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reproducing.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, Oct 22 2017

Labels: Test-Predator-AutoOwner
Owner: marja@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/d9292154db7937f523ddd6b8913164eaf785fe33 (Adding a templated-dictionary based V8 parser fuzzer.).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Project Member

Comment 2 by ClusterFuzz, Oct 22 2017

Components: Blink>JavaScript
Labels: Test-Predator-AutoComponents
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.

Comment 3 by mmoroz@chromium.org, Oct 24 2017

For more information, please see https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md.

The link referenced in the description is no longer valid.
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components
Labels: -Test-Predator-AutoOwner Test-Predator-Auto-Owner

Comment 6 by marja@chromium.org, Feb 12 2018

This is a bit weird, the test case is an empty string with module=1.

I can't repro this on Linux at least...
Project Member

Comment 7 by ClusterFuzz, Apr 25 2018

ClusterFuzz has detected this issue as fixed in range 553053:553283.

Detailed report: https://clusterfuzz.com/testcase?key=5279794093883392

Fuzzer: libFuzzer_javascript_parser_proto_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  v8::internal::Isolate::ThreadDataTable::Lookup
  v8::internal::Isolate::FindOrAllocatePerThreadDataForThisThread
  v8::internal::Isolate::Enter
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=509729:509761
Fixed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=553053:553283

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5279794093883392

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md 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 8 by ClusterFuzz, Apr 25 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5279794093883392 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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