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Issue 808878 link

Starred by 2 users

Issue metadata

Status: Verified
Owner:
Closed: Feb 2018
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Use-of-uninitialized-value in mojo::ScopedInterfaceEndpointHandle::id

Project Member Reported by ClusterFuzz, Feb 4 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5929525213659136

Fuzzer: bj_broddelwerk
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  mojo::ScopedInterfaceEndpointHandle::id
  mojo::internal::MultiplexRouter::AttachEndpointClient
  blink::LayoutTableSection::RecalcOverflowAfterStyleChange
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=534174:534179

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5929525213659136

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Feb 4 2018

Labels: Test-Predator-Auto-Owner
Owner: chrishtr@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/bc976225e037d9f9ed5cf135bcd16a1187a30d42 ([PE] Recompute overflow for tables).

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 2 by sheriffbot@chromium.org, Feb 5 2018

Labels: M-65
Project Member

Comment 3 by sheriffbot@chromium.org, Feb 5 2018

Labels: ReleaseBlock-Stable
This is a serious security regression. If you are not able to fix this quickly, please revert the change that introduced it.

If this doesn't affect a release branch, or has not been properly classified for severity, please update the Security_Impact or Security_Severity labels, and remove the ReleaseBlock label. To disable this altogether, apply ReleaseBlock-NA.

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

Comment 4 by sheriffbot@chromium.org, Feb 5 2018

Labels: Pri-1
Project Member

Comment 5 by ClusterFuzz, Feb 6 2018

ClusterFuzz has detected this issue as fixed in range 534505:534510.

Detailed report: https://clusterfuzz.com/testcase?key=5929525213659136

Fuzzer: bj_broddelwerk
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  mojo::ScopedInterfaceEndpointHandle::id
  mojo::internal::MultiplexRouter::AttachEndpointClient
  blink::LayoutTableSection::RecalcOverflowAfterStyleChange
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=534174:534179
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=534505:534510

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5929525213659136

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 6 by ClusterFuzz, Feb 6 2018

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5929525213659136 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 7 by sheriffbot@chromium.org, Feb 8 2018

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Labels: -ReleaseBlock-Stable -M-65 M-66
Components: Blink>Layout
Project Member

Comment 10 by sheriffbot@chromium.org, Mar 27 2018

Labels: -Security_Impact-Head Security_Impact-Beta
Project Member

Comment 11 by sheriffbot@chromium.org, May 15 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

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