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Issue metadata

Status: WontFix
Owner: ----
Closed: Jul 28
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Windows , Mac
Pri: 1
Type: Bug



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Heap-use-after-free in test_runner::WebWidgetTestClient::AnimateNow

Project Member Reported by ClusterFuzz, Jun 6 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4684808261992448

Fuzzer: inferno_twister
Job Type: mac_asan_content_shell
Platform Id: mac

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x6160000a2980
Crash State:
  test_runner::WebWidgetTestClient::AnimateNow
  base::debug::TaskAnnotator::RunTask
  base::sequence_manager::internal::ThreadControllerImpl::DoWork
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_content_shell&range=502229:502259

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4684808261992448

Additional requirements: Requires HTTP

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jun 6 2018

Components: Blink>Scheduling Internals>Core
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, Jun 6 2018

Labels: Test-Predator-Auto-Owner
Owner: engedy@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/a40712f84aed485b3da6d212938e330ae3b85605 (Mojofy DidCommitProvisionalLoad.).

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.
Cc: engedy@chromium.org
Labels: Test-Predator-Wrong-CLs
Owner: ----
Status: Available (was: Assigned)
Components: Test
Is this another test_runner-only bug? If so, we can stop following it as a security bug.
Project Member

Comment 5 by sheriffbot@chromium.org, Jun 7 2018

Labels: Target-67 M-67
Project Member

Comment 6 by sheriffbot@chromium.org, Jun 7 2018

Labels: Pri-1
Project Member

Comment 7 by ClusterFuzz, Jun 7 2018

Labels: OS-Linux

Comment 8 by palmer@chromium.org, Jun 11 2018

Labels: -Type-Bug-Security -Restrict-View-SecurityTeam -Security_Severity-High Type-Bug
I'm going to take this out of the security queue; I think it's another test_runner-only thing.
Project Member

Comment 9 by ClusterFuzz, Jun 13 2018

Labels: OS-Windows
Project Member

Comment 10 by ClusterFuzz, Jul 12

Labels: -Reproducible Unreproducible
ClusterFuzz testcase 4684808261992448 appears to be flaky, updating reproducibility label.
Project Member

Comment 11 by ClusterFuzz, Jul 28

Status: WontFix (was: Available)
ClusterFuzz testcase 4684808261992448 is flaky and no longer crashes, so closing issue.

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

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