New issue
Advanced search Search tips

Issue 904475 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Closed: Nov 13
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



Sign in to add a comment

Null-dereference READ in IsElementOfType<const

Project Member Reported by ClusterFuzz, Nov 12

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5335313788174336

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
  IsElementOfType<const
  ToElementOrNull<blink::HTMLSlotElement>
  blink::ToHTMLSlotElementIfSupportsAssignmentOrNull
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=606747:606748

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5335313788174336

Issue filed automatically.

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

Comment 1 by ClusterFuzz, Nov 12

Components: Blink>DOM Blink>HTML
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, Nov 12

Labels: Test-Predator-Auto-Owner
Owner: xiaoche...@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/4d281c8de3c433b6660a63af2b33977800d94aca (Make InlineContents traverse flat tree for previous and next).

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 3 by ClusterFuzz, Nov 13

ClusterFuzz has detected this issue as fixed in range 607498:607499.

Detailed report: https://clusterfuzz.com/testcase?key=5335313788174336

Fuzzer: inferno_twister
Job Type: linux_ubsan_chrome
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
  IsElementOfType<const
  ToElementOrNull<blink::HTMLSlotElement>
  blink::ToHTMLSlotElementIfSupportsAssignmentOrNull
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=606747:606748
Fixed: https://clusterfuzz.com/revisions?job=linux_ubsan_chrome&range=607498:607499

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5335313788174336

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, Nov 13

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5335313788174336 is verified as fixed, so closing issue as verified.

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

Sign in to add a comment