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Issue metadata

Status: Verified
Owner:
Closed: Dec 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in base::MessageLoop::RunTask

Project Member Reported by ClusterFuzz, Nov 24 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4881153508245504

Fuzzer: inferno_webbot
Job Type: linux_asan_chrome_chromeos
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000008
Crash State:
  base::MessageLoop::RunTask
  base::MessageLoop::DoWork
  base::MessagePumpLibevent::Run
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_chromeos&range=331388:331413

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4881153508245504

Additional requirements: Requires Gestures

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 24 2017

Components: 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, Nov 24 2017

Labels: Test-Predator-Auto-Owner
Owner: sorin@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/7c7176234e553c35a2d8ec014f2caa29f7278065 (Rewrite component update service in terms of components/update_client.).

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

Comment 3 by sorin@chromium.org, Nov 28 2017

Labels: Test-Predator-Wrong-CLs
Owner: jdufault@chromium.org
It is possible the issue is in the  LoginScreenController based on the stack trace linked by https://clusterfuzz.com/testcase?key=4881153508245504 in the OP.
Project Member

Comment 4 by ClusterFuzz, Dec 2 2017

ClusterFuzz has detected this issue as fixed in range 521102:521135.

Detailed report: https://clusterfuzz.com/testcase?key=4881153508245504

Fuzzer: inferno_webbot
Job Type: linux_asan_chrome_chromeos
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000008
Crash State:
  base::MessageLoop::RunTask
  base::MessageLoop::DoWork
  base::MessagePumpLibevent::Run
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_chromeos&range=331388:331413
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_chromeos&range=521102:521135

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4881153508245504

Additional requirements: Requires Gestures

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, Dec 2 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4881153508245504 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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