New issue
Advanced search Search tips

Issue 777646 link

Starred by 1 user

Issue metadata

Status: Verified
Owner:
Closed: Nov 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug



Sign in to add a comment

Null-dereference in blink::Internals::textAffinity

Project Member Reported by ClusterFuzz, Oct 23 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4664022149627904

Fuzzer: inferno_layout_test_unmodified
Job Type: windows_syzyasan_content_shell
Platform Id: windows

Crash Type: Null-dereference
Crash Address: 0x00000017
Crash State:
  blink::Internals::textAffinity
  blink::V8Internals::textAffinityAttributeGetterCallback
  v8::internal::FunctionCallbackArguments::Call
  
Memory Tool: SYZYASAN

Regressed: https://clusterfuzz.com/revisions?job=windows_syzyasan_content_shell&range=510722:510724

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4664022149627904

Issue filed automatically.

See https://github.com/google/clusterfuzz-tools for more information.
 
Components: Blink>JavaScript

Comment 2 by adamk@chromium.org, Oct 31 2017

Components: -Blink>JavaScript Blink>DOM
Project Member

Comment 3 by ClusterFuzz, Oct 31 2017

Components: Blink>JavaScript
Labels: Test-Predator-AutoComponents
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.

Comment 4 by adamk@chromium.org, Oct 31 2017

Components: -Blink>JavaScript

Comment 5 by adamk@chromium.org, Oct 31 2017

Labels: Test-Predator-Wrong-Components
Cc: kkaluri@chromium.org
Labels: M-64 Test-Predator-Wrong
Owner: fs...@chromium.org
Status: Assigned (was: Untriaged)
Predator and CL could not provide any possible suspects.
Using the code search for the file, “Internals.cpp” assigning to concern owner.

Suspecting Commit# https://chromium.googlesource.com/chromium/src/+/f01e385c3f752c2bfd1163db74ecbf88e5390d25

fserb@ -- Could you please look into this issue, kindly reassign if it has nothing to do with your changes.


Thank You.
Project Member

Comment 7 by ClusterFuzz, Nov 2 2017

ClusterFuzz has detected this issue as fixed in range 513227:513290.

Detailed report: https://clusterfuzz.com/testcase?key=4664022149627904

Fuzzer: inferno_layout_test_unmodified
Job Type: windows_syzyasan_content_shell
Platform Id: windows

Crash Type: Null-dereference
Crash Address: 0x00000017
Crash State:
  blink::Internals::textAffinity
  blink::V8Internals::textAffinityAttributeGetterCallback
  v8::internal::FunctionCallbackArguments::Call
  
Memory Tool: SYZYASAN

Regressed: https://clusterfuzz.com/revisions?job=windows_syzyasan_content_shell&range=510722:510724
Fixed: https://clusterfuzz.com/revisions?job=windows_syzyasan_content_shell&range=513227:513290

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4664022149627904

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 8 by ClusterFuzz, Nov 2 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 4664022149627904 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
Labels: -Test-Predator-AutoComponents Test-Predator-Auto-Components

Sign in to add a comment