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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 5 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4682225596760064

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=44043:44044

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4682225596760064

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Oct 5 2017

Components: Blink>JavaScript>Runtime Blink>JavaScript>WebAssembly
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.
Project Member

Comment 2 by ClusterFuzz, Oct 5 2017

Labels: Test-Predator-AutoOwner
Owner: clemensh@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/8255fb5e9895ef1603ac5504a2affc5cfdcd3b70 ([wasm] Add --wasm-lazy-compilation flag).

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 5 2017

Labels: M-63
Project Member

Comment 4 by sheriffbot@chromium.org, Oct 5 2017

Labels: ReleaseBlock-Stable
This is a serious security regression. If you are not able to fix this quickly, please revert the change that introduced it.

If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Project Member

Comment 5 by sheriffbot@chromium.org, Oct 5 2017

Labels: Pri-1
Components: -Blink>JavaScript>Runtime -Blink>JavaScript
Labels: -Type-Bug-Security -Pri-1 -Restrict-View-SecurityTeam -Security_Impact-Head -Security_Severity-High -ReleaseBlock-Stable -M-63 Pri-3 Type-Bug
No security implications.
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components
Labels: -Test-Predator-AutoOwner Test-Predator-Auto-Owner
Project Member

Comment 9 by ClusterFuzz, Jan 12 2018

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

Detailed report: https://clusterfuzz.com/testcase?key=4682225596760064

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=44043:44044
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_d8_dbg&range=50497:50498

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4682225596760064

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 10 by ClusterFuzz, Jan 12 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4682225596760064 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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