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Issue 787300 link

Starred by 3 users

Issue metadata

Status: Verified
Owner:
Closed: Dec 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference WRITE in v8::internal::JSTypedArray::MaterializeArrayBuffer

Project Member Reported by ClusterFuzz, Nov 21 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5238575854780416

Fuzzer: libFuzzer_v8_fully_instrumented_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Null-dereference WRITE
Crash Address: 0x000000000000
Crash State:
  v8::internal::JSTypedArray::MaterializeArrayBuffer
  v8::internal::Builtin_Impl_TypedArrayPrototypeBuffer
  v8::internal::Builtin_TypedArrayPrototypeBuffer
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=517645:517681

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5238575854780416

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 21 2017

Components: Blink>JavaScript
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.

Comment 2 by titzer@chromium.org, Nov 21 2017

Owner: titzer@chromium.org
Status: Assigned (was: Untriaged)

Comment 3 by mmoroz@chromium.org, Nov 21 2017

Cc: metzman@chromium.org
Project Member

Comment 4 by ClusterFuzz, Dec 20 2017

ClusterFuzz has detected this issue as fixed in range 525196:525217.

Detailed report: https://clusterfuzz.com/testcase?key=5238575854780416

Fuzzer: libFuzzer_v8_fully_instrumented_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Null-dereference WRITE
Crash Address: 0x000000000000
Crash State:
  v8::internal::JSTypedArray::MaterializeArrayBuffer
  v8::internal::Builtin_Impl_TypedArrayPrototypeBuffer
  v8::internal::Builtin_TypedArrayPrototypeBuffer
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=517645:517681
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=525196:525217

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5238575854780416

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 5 by ClusterFuzz, Dec 20 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5238575854780416 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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