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Issue 853527 link

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Issue metadata

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



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Null-dereference READ in blink::V8Window::getComputedAccessibleNodeMethodCallback

Project Member Reported by ClusterFuzz, Jun 17 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5759216107913216

Fuzzer: inferno_twister
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000050
Crash State:
  blink::V8Window::getComputedAccessibleNodeMethodCallback
  v8::internal::FunctionCallbackArguments::Call
  v8::internal::MaybeHandle<v8::internal::Object> v8::internal::HandleApiCallHelpe
  
Sanitizer: address (ASAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5759216107913216

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Cc: ishell@chromium.org brajkumar@chromium.org
Components: Blink>JavaScript
Labels: M-69 Test-Predator-Wrong CF-NeedsTriage
Status: Available (was: Untriaged)
This crash is related to java script, hence marking it as available and adding V8 stability sheriff for more updates.

Thanks!
Project Member

Comment 2 by ClusterFuzz, Jun 19 2018

Cc: jo...@igalia.com binji@chromium.org
Labels: Test-Predator-Auto-CC
Automatically adding ccs based on suspected regression changelists:

Reland "[builtins] set DataView.length to 1" by joyee@igalia.com - https://chromium.googlesource.com/v8/v8/+/f892a76f4c3b63d3ba9932fd82a76e5e21b5b04e

[wasm] Fix for exporting imported mutable globals by binji@chromium.org - https://chromium.googlesource.com/v8/v8/+/da03262e4c0fb58af1d25c4336506f2477bfd188

[wasm] Enable mutable-global by default by binji@chromium.org - https://chromium.googlesource.com/v8/v8/+/7ce76fbc340e61dc0021ef497bf6bb6cecda20e0

If this is incorrect, please let us know why and apply the Test-Predator-Wrong-CLs label.

Comment 3 by ishell@chromium.org, Jun 20 2018

Owner: ishell@chromium.org
Status: Assigned (was: Available)
Project Member

Comment 4 by ClusterFuzz, Jun 20 2018

ClusterFuzz has detected this issue as fixed in range 568508:568509.

Detailed report: https://clusterfuzz.com/testcase?key=5759216107913216

Fuzzer: inferno_twister
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000050
Crash State:
  blink::V8Window::getComputedAccessibleNodeMethodCallback
  v8::internal::FunctionCallbackArguments::Call
  v8::internal::MaybeHandle<v8::internal::Object> v8::internal::HandleApiCallHelpe
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=566744:566745
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=568508:568509

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5759216107913216

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 5 by ClusterFuzz, Jun 20 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5759216107913216 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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