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Issue metadata

Status: Verified
Owner:
Closed: Apr 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug-Security



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Crash in base::debug::TaskAnnotator::RunTask

Project Member Reported by ClusterFuzz, Apr 4 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6027909903679488

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_msan_chrome
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x00000000ff89
Crash State:
  base::debug::TaskAnnotator::RunTask
  base::MessageLoop::RunTask
  base::MessageLoop::DoWork
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Low

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=547620:547621

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6027909903679488

Additional requirements: Requires Gestures

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Apr 4 2018

Labels: Fuzz-Blocker M-67 ReleaseBlock-Beta
This crash occurs very frequently on linux platform and is likely preventing the fuzzer ifratric-browserfuzzer-v3 from making much progress. Fixing this will allow more bugs to be found.

Marking this bug as a blocker for next Beta release.

If this is incorrect, please add ClusterFuzz-Wrong label and remove the ReleaseBlock-Beta label.
Project Member

Comment 2 by ClusterFuzz, Apr 4 2018

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 3 by ClusterFuzz, Apr 4 2018

Labels: Test-Predator-Auto-Owner
Owner: jam@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/7c37fec27209442169da861f3b717dac2d71f68b (Convert Client Side Protection to use SimpleURLLoader instead of URLFetcher.).

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 4 by ClusterFuzz, Apr 4 2018

ClusterFuzz has detected this issue as fixed in range 547754:547756.

Detailed report: https://clusterfuzz.com/testcase?key=6027909903679488

Fuzzer: ifratric-browserfuzzer-v3
Job Type: linux_msan_chrome
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x00000000ff89
Crash State:
  base::debug::TaskAnnotator::RunTask
  base::MessageLoop::RunTask
  base::MessageLoop::DoWork
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Low

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=547620:547621
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=547754:547756

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6027909903679488

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, Apr 4 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6027909903679488 is verified as fixed, so closing issue as verified.

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

Comment 6 by sheriffbot@chromium.org, Apr 5 2018

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify

Comment 7 by awhalley@google.com, Apr 30 2018

Labels: -ReleaseBlock-Beta
Project Member

Comment 8 by sheriffbot@chromium.org, Jul 12

Labels: -Restrict-View-SecurityNotify allpublic
This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Project Member

Comment 9 by sheriffbot@chromium.org, Jul 28

Labels: Pri-2

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