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Issue metadata

Status: Verified
Owner:
Closed: Jan 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 3
Type: Bug



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DCHECK failure in exp_table->get(exp_index) == *lazy_compile_code in module-compiler.cc

Project Member Reported by ClusterFuzz, Oct 20 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4944828722053120

Fuzzer: ochang_js_fuzzer
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: DCHECK failure
Crash Address: 
Crash State:
  exp_table->get(exp_index) == *lazy_compile_code in module-compiler.cc
  
Sanitizer: address (ASAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4944828722053120

Issue manually filed by: titzer

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

Comment 1 by kenrb@chromium.org, Oct 20 2017

Components: -Blink>JavaScript Blink>JavaScript>WebAssembly
Not clear if this is a security bug or not.
Project Member

Comment 2 by ClusterFuzz, Oct 20 2017

Labels: Test-Predator-AutoOwner
Owner: och...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/3f4536894ac3001c53256d08d1e85aa442eb0f02 (d8: Make in process stack dumping optional).

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

Comment 3 by sheriffbot@chromium.org, Oct 22 2017

Labels: Pri-1

Comment 4 by och...@chromium.org, Oct 24 2017

Owner: clemensh@chromium.org
Labels: -Type-Bug-Security -Pri-1 -Restrict-View-SecurityTeam -Security_Severity-High Pri-3 Type-Bug
Lowering priority, as this requires passing "--wasm-lazy-compilation".
Labels: -Test-Predator-AutoOwner Test-Predator-Auto-Owner
Project Member

Comment 7 by ClusterFuzz, Jan 12 2018

ClusterFuzz has detected this issue as fixed in range 50497:50498.

Detailed report: https://clusterfuzz.com/testcase?key=4944828722053120

Fuzzer: ochang_js_fuzzer
Job Type: linux_asan_d8_dbg
Platform Id: linux

Crash Type: DCHECK failure
Crash Address: 
Crash State:
  exp_table->get(exp_index) == *lazy_compile_code in module-compiler.cc
  v8::internal::wasm::CompileLazy
  v8::internal::__RT_impl_Runtime_WasmCompileLazy
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_d8_dbg&range=45141:45142
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_d8_dbg&range=50497:50498

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4944828722053120

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 8 by ClusterFuzz, Jan 12 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4944828722053120 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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