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Issue metadata

Status: Verified
Owner:
Closed: Aug 12
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Use-of-uninitialized-value in storage::DatabaseTracker::UpdateOpenDatabaseInfoAndNotify

Project Member Reported by ClusterFuzz, Aug 7

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6372447218302976

Fuzzer: inferno_twister
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  storage::DatabaseTracker::UpdateOpenDatabaseInfoAndNotify
  storage::DatabaseTracker::DatabaseClosed
  content::WebDatabaseHostImpl::Closed
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=581163:581164

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6372447218302976

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Aug 7

Components: Blink>Storage>WebSQL 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 2 by ClusterFuzz, Aug 7

Labels: Test-Predator-Auto-Owner
Owner: rakina@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/3a80a7da38d984fde137c6a1a2848bac4585a9c6 (Disable Flaky SitePerProcessHitTestDataGenerationBrowserTest.ClippedOOPIFFastPath).

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.
Labels: M-70
Labels: Test-Predator-Wrong-CLs
Owner: ----
Status: Available (was: Assigned)
My change only disabled a test.
Project Member

Comment 5 by sheriffbot@chromium.org, Aug 8

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 6 by sheriffbot@chromium.org, Aug 8

Labels: Pri-1
Owner: b...@chromium.org
Status: Assigned (was: Available)
bnc@, could you take a look if it is related to your change in https://chromium.googlesource.com/chromium/src/+/f7f0831aba6a8afced482a5ba4be3851c024fbe9
Project Member

Comment 8 by ClusterFuzz, Aug 12

ClusterFuzz has detected this issue as fixed in range 582465:582466.

Detailed report: https://clusterfuzz.com/testcase?key=6372447218302976

Fuzzer: inferno_twister
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Use-of-uninitialized-value
Crash Address: 
Crash State:
  storage::DatabaseTracker::UpdateOpenDatabaseInfoAndNotify
  storage::DatabaseTracker::DatabaseClosed
  content::WebDatabaseHostImpl::Closed
  
Sanitizer: memory (MSAN)

Recommended Security Severity: Medium

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=581163:581164
Fixed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=582465:582466

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6372447218302976

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 9 by ClusterFuzz, Aug 12

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 6372447218302976 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 10 by sheriffbot@chromium.org, Aug 12

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Theoretically it could have been related to my change (though I do not quite see how), but Clusterfuzz thinks it's fixed now.  I think this must have been a false alarm.
Labels: -ReleaseBlock-Stable
Project Member

Comment 13 by sheriffbot@chromium.org, Nov 18

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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