New issue
Advanced search Search tips
Note: Color blocks (like or ) mean that a user may not be available. Tooltip shows the reason.

Issue 799069 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Last visit > 30 days ago
Closed: Jan 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



Sign in to add a comment

Use-of-uninitialized-value in blink::StyleEngine::NodeWillBeRemoved

Project Member Reported by ClusterFuzz, Jan 4 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6015338155343872

Fuzzer: marcin_towalski_cm
Job Type: linux_msan_chrome
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  blink::StyleEngine::NodeWillBeRemoved
  blink::ContainerNode::WillRemoveChild
  blink::ContainerNode::RemoveChild
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=526968:526970

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6015338155343872

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Jan 4 2018

Components: Blink>DOM
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, Jan 4 2018

Labels: M-65 ReleaseBlock-Beta ClusterFuzz-Top-Crash
Testcase 6015338155343872 is a top crash on ClusterFuzz for windows platform. Please prioritize fixing this crash.

Marking this crash as a Beta release blocker.

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

Comment 3 by ClusterFuzz, Jan 5 2018

ClusterFuzz has detected this issue as fixed in range 527016:527020.

Detailed report: https://clusterfuzz.com/testcase?key=6015338155343872

Fuzzer: marcin_towalski_cm
Job Type: linux_msan_chrome
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  blink::StyleEngine::NodeWillBeRemoved
  blink::ContainerNode::WillRemoveChild
  blink::ContainerNode::RemoveChild
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=526968:526970
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_chrome&range=527016:527020

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6015338155343872

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, Jan 5 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6015338155343872 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 5 by sheriffbot@chromium.org, Jan 5 2018

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Labels: -reward-topanel reward-0
I'm afraid this was found by multiple internal fuzzers the same day.

Comment 7 by och...@chromium.org, Jan 12 2018

Owner: kochi@chromium.org

Comment 8 by awhalley@google.com, Jan 26 2018

Labels: -ReleaseBlock-Beta
Project Member

Comment 9 by sheriffbot@chromium.org, Mar 27 2018

Labels: -Security_Impact-Head Security_Impact-Stable
Project Member

Comment 10 by sheriffbot@chromium.org, Apr 13 2018

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 11 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

Sign in to add a comment