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Issue 787781 link

Starred by 1 user
Status: Duplicate
Merged: issue 787723
Owner: ----
Closed: Nov 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 1
Type: Bug



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Null-dereference READ in v8_fuzzer::FuzzerSupport::GetIsolate

Project Member Reported by ClusterFuzz, Nov 22 2017 
Detailed report: https://clusterfuzz.com/testcase?key=5041676300320768

Fuzzer: libFuzzer_v8_wasm_compile_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
  v8_fuzzer::FuzzerSupport::GetIsolate
  v8::internal::wasm::fuzzer::WasmExecutionFuzzer::FuzzWasmModule
  wasm-compile.cc
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=493100:493156

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5041676300320768

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 22 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 22 2017

Mergedinto: 787723
Status: Duplicate (was: Untriaged)
Project Member

Comment 3 by ClusterFuzz, Dec 21 2017 

ClusterFuzz has detected this issue as fixed in range 525123:525236.

Detailed report: https://clusterfuzz.com/testcase?key=5041676300320768

Fuzzer: libFuzzer_v8_wasm_compile_fuzzer
Job Type: mac_libfuzzer_chrome_asan
Platform Id: mac

Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
  v8_fuzzer::FuzzerSupport::GetIsolate
  v8::internal::wasm::fuzzer::WasmExecutionFuzzer::FuzzWasmModule
  wasm-compile.cc
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=493100:493156
Fixed: https://clusterfuzz.com/revisions?job=mac_libfuzzer_chrome_asan&range=525123:525236

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5041676300320768

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.
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