New issue
Advanced search Search tips

Issue 924277 link

Starred by 1 user

Issue metadata

Status: WontFix
Owner:
Closed: Today
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



Sign in to add a comment

Null-dereference READ in blink::LocalFrameView::MainThreadScrollingReasonsAsText

Project Member Reported by ClusterFuzz, Today (9 hours ago)

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5696221364748288

Fuzzer: ochang_domfuzzer
Job Type: linux_msan_content_shell_drt
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000030
Crash State:
  blink::LocalFrameView::MainThreadScrollingReasonsAsText
  blink::Internals::mainThreadScrollingReasons
  blink::V8Internals::MainThreadScrollingReasonsMethodCallback
  
Sanitizer: memory (MSAN)

Regressed: https://clusterfuzz.com/revisions?job=linux_msan_content_shell_drt&range=617641:617642

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5696221364748288

Issue filed automatically.

See https://www.chromium.org/developers/testing/memorysanitizer#TOC-Reproducing-ClusterFuzz-Bugs for instructions to reproduce this bug locally.
 
Project Member

Comment 1 by ClusterFuzz, Today (9 hours ago)

Components: Blink>Internals
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, Today (9 hours ago)

Labels: Test-Predator-Auto-Owner
Owner: pdr@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/f308c6727540f45873ee03e6f83384d6262a5583 (Move main thread scrolling reasons off cc::Layer).

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.

Comment 3 by pdr@chromium.org, Today (8 hours ago)

Status: WontFix (was: Assigned)
This is a null pointer exception in internals-only code.

Sign in to add a comment