New issue
Advanced search Search tips

Issue 829983 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Closed: Apr 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



Sign in to add a comment

Null-dereference READ in v8::internal::wasm::LazyCompilationOrchestrator::CompileDirectCall

Project Member Reported by ClusterFuzz, Apr 6 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5931105994932224

Fuzzer: ochang_js_fuzzer
Job Type: linux_ubsan_vptr_d8
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000030
Crash State:
  v8::internal::wasm::LazyCompilationOrchestrator::CompileDirectCall
  v8::internal::wasm::CompileLazy
  __RT_impl_Runtime_WasmCompileLazy
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_d8&range=49708:49709

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5931105994932224

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Apr 6 2018

Components: Blink>JavaScript>WebAssembly
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.
Project Member

Comment 2 by ClusterFuzz, Apr 6 2018

Labels: Test-Predator-Auto-Owner
Owner: clemensh@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/v8/v8/+/efed6ba94a722c919d23241117fc4a44f2d06d8a ([wasm] Lazy-compilation: Fix patching of wasm-to-wasm wrappers).

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label. If you aren't the correct owner for this issue, please unassign yourself as soon as possible so it can be re-triaged.
Project Member

Comment 3 by ClusterFuzz, Apr 7 2018

ClusterFuzz has detected this issue as fixed in range 52435:52436.

Detailed report: https://clusterfuzz.com/testcase?key=5931105994932224

Fuzzer: ochang_js_fuzzer
Job Type: linux_ubsan_vptr_d8
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000030
Crash State:
  v8::internal::wasm::LazyCompilationOrchestrator::CompileDirectCall
  v8::internal::wasm::CompileLazy
  __RT_impl_Runtime_WasmCompileLazy
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_d8&range=49708:49709
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_d8&range=52435:52436

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5931105994932224

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, Apr 7 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5931105994932224 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

Sign in to add a comment