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Issue 781844 link

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Issue metadata

Status: Verified
Owner:
Closed: Nov 2017
Cc:
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 6 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6469455835299840

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=513982:514022

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6469455835299840

Additional requirements: Requires Gestures

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 6 2017

Components: Internals>Core
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.
Cc: msrchandra@chromium.org pnangunoori@chromium.org
Labels: M-64 Test-Predator-Wrong-CLs
Owner: robliao@chromium.org
Status: Assigned (was: Untriaged)
Predator and CL could not provide any possible suspects.
Using the code search for the file, “message_loop.cc” assigning to concern owner from GIT blame.
Suspecting Commit#
https://chromium.googlesource.com/chromium/src/+/97621d9c31b719379ccdabb8220cca66aad58b8e

@robliao -- Could you please look into this issue, kindly reassign if it has nothing to do with your changes.
Thank You.

Project Member

Comment 3 by ClusterFuzz, Nov 7 2017

ClusterFuzz has detected this issue as fixed in range 514212:514242.

Detailed report: https://clusterfuzz.com/testcase?key=6469455835299840

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=513982:514022
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_chromeos&range=514212:514242

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6469455835299840

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 4 by ClusterFuzz, Nov 7 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6469455835299840 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
I think there's something wrong with this test or symbolizer. These things shouldn't fix themselves on their own.
Labels: Test-Predator-Auto-CC
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components
Labels: -Test-Predator-Auto-CC

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