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Issue 848662 link

Starred by 2 users

Issue metadata

Status: WontFix
Owner:
Closed: Jul 11
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Crash in blink::CrossThreadPersistentRegion::ShouldTracePersistentNode

Project Member Reported by ClusterFuzz, Jun 1 2018

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6726197191639040

Fuzzer: inferno_layout_test_fuzzer
Job Type: linux_ubsan_vptr_content_shell_drt
Platform Id: linux

Crash Type: UNKNOWN READ
Crash Address: 0x312306c01958
Crash State:
  blink::CrossThreadPersistentRegion::ShouldTracePersistentNode
  blink::PersistentRegion::TracePersistentNodes
  blink::ThreadState::VisitPersistents
  
Sanitizer: undefined (UBSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_vptr_content_shell_drt&range=545879:545880

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6726197191639040

Additional requirements: Requires HTTP

Issue filed automatically.

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

Comment 1 by sheriffbot@chromium.org, Jun 1 2018

Labels: M-68
Project Member

Comment 2 by sheriffbot@chromium.org, Jun 1 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 3 by sheriffbot@chromium.org, Jun 1 2018

Labels: Pri-1
Cc: mkwst@chromium.org vmp...@chromium.org piman@chromium.org
Components: Blink>Layout
Owner: lukasza@chromium.org
Status: Assigned (was: Untriaged)
Only CL in regression range is https://chromium.googlesource.com/chromium/src/+/279708b3c8ed5b6d9b4ed452072458cb0f9047d0

lukasza: Can you PTAL as one of the reviewers?

(also this is probably impact-none since it's in test code, but i'm leaving that unchanged for now)
Project Member

Comment 5 by sheriffbot@chromium.org, Jun 2 2018

Labels: -Security_Impact-Head Security_Impact-Beta
Project Member

Comment 6 by sheriffbot@chromium.org, Jun 20 2018

lukasza: Uh oh! This issue still open and hasn't been updated in the last 19 days. This is a serious vulnerability, and we want to ensure that there's progress. Could you please leave an update with the current status and any potential blockers?

If you're not the right owner for this issue, could you please remove yourself as soon as possible or help us find the right one?

If the issue is fixed or you can't reproduce it, please close the bug. If you've started working on a fix, please set the status to Started.

Thanks for your time! To disable nags, add the Disable-Nags label.

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

Comment 7 by e...@chromium.org, Jun 28 2018

Cc: lukasza@chromium.org
Owner: chrishtr@chromium.org
Who would be a good owner for this given that both vmpstr and lukasza are out?
Owner: trchen@chromium.org
Bulk update: M68 stable cut is scheduled for July 19th. This issue is marked as RB-Stable, so please take a look at it before. Thanks!
Project Member

Comment 10 by sheriffbot@chromium.org, Jul 4

trchen: Uh oh! This issue still open and hasn't been updated in the last 33 days. This is a serious vulnerability, and we want to ensure that there's progress. Could you please leave an update with the current status and any potential blockers?

If you're not the right owner for this issue, could you please remove yourself as soon as possible or help us find the right one?

If the issue is fixed or you can't reproduce it, please close the bug. If you've started working on a fix, please set the status to Started.

Thanks for your time! To disable nags, add the Disable-Nags label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
I'm not able to access the clusterfuzz report with either my chromium or google account. Shows "Invalid testcase.". Is it view restricted?
Owner: mea...@chromium.org
Status: Untriaged (was: Assigned)
Hello meacer@, I couldn't access to the clusterfuzz report, could you check if it is permission error and assign back to us? Thanks!
Cc: mea...@chromium.org
Owner: mbarbe...@chromium.org
Interesting, I'm getting the same error now (invalid testcase).

mbarbella: Any thoughts why that would happen?
Project Member

Comment 14 by sheriffbot@chromium.org, Jul 10

Status: Assigned (was: Untriaged)
Status: WontFix (was: Assigned)
I wasn't able to find anything in our logs, but the most common thing that would cause this would be the test case being deleted manually. None of our automation should delete test cases associated with bugs (though if there's any other sign of that happening, file a bug with the Tools>Stability>ClusterFuzz component). I don't see anything open now with a similar stack, but this may have been a duplicate of  issue 857311 .
Project Member

Comment 16 by sheriffbot@chromium.org, Oct 18

Labels: -Restrict-View-SecurityTeam 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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