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Issue 749703 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
please use my google.com address
Closed: Jul 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Use-of-uninitialized-value in mojo::edk::ChannelPosix::WriteNoLock

Project Member Reported by ClusterFuzz, Jul 27 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6540645014700032

Fuzzer: bj_broddelwerk
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  mojo::edk::ChannelPosix::WriteNoLock
  mojo::edk::ChannelPosix::Write
  mojo::edk::NodeChannel::SendChannelMessage
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=489756:489860

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6540645014700032


Issue manually filed by: aarya

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

Comment 1 by aarya@google.com, Jul 27 2017

Components: Internals>Mojo
Labels: Pri-0
Owner: roc...@chromium.org
Status: Assigned (was: Untriaged)
Ken, this is still causing startup crashes on MSan build and blocking fuzzing, can you please take a look.

Comment 2 by roc...@chromium.org, Jul 27 2017

On it.

Comment 3 by roc...@chromium.org, Jul 27 2017

Status: Fixed (was: Assigned)
Should be good, offending CL reverted.
Project Member

Comment 4 by ClusterFuzz, Jul 28 2017

ClusterFuzz has detected this issue as fixed in range 490017:490023.

Detailed report: https://clusterfuzz.com/testcase?key=6540645014700032

Fuzzer: bj_broddelwerk
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  mojo::edk::ChannelPosix::WriteNoLock
  mojo::edk::ChannelPosix::Write
  mojo::edk::NodeChannel::SendChannelMessage
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=489756:489860
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=490017:490023

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6540645014700032


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, Jul 28 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Fixed)
ClusterFuzz testcase 6540645014700032 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, Jul 28 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Project Member

Comment 7 by sheriffbot@chromium.org, Nov 3 2017

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 8 by sheriffbot@chromium.org, Jul 28

Labels: -Pri-0 Pri-1

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