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Issue metadata

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



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Null-dereference READ in Relaxed_Load

Project Member Reported by ClusterFuzz, Dec 1 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4526000347283456

Fuzzer: ochang_js_fuzzer
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  Relaxed_Load
  map_word
  map
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_d8_dbg&range=49751:49752

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4526000347283456

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Dec 1 2017

Labels: Test-Predator-Auto-Owner
Owner: mlippautz@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/6b29f1cf281336f5ea62da2f2f5438ca215576f3 ([heap] Minor MC: Support ThinString).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Status: Fixed (was: Assigned)
Already reverted.
Project Member

Comment 3 by ClusterFuzz, Dec 1 2017

ClusterFuzz has detected this issue as fixed in range 49753:49754.

Detailed report: https://clusterfuzz.com/testcase?key=4526000347283456

Fuzzer: ochang_js_fuzzer
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
  Relaxed_Load
  map_word
  map
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_d8_dbg&range=49751:49752
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_d8_dbg&range=49753:49754

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4526000347283456

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, Dec 1 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Fixed)
ClusterFuzz testcase 4526000347283456 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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