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Issue 738703 link

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Issue metadata

Status: Verified
Owner: ----
Closed: Jul 2017
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 1
Type: Bug-Security



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Wild-access in blink::Text::TextLayoutObjectIsNeeded

Project Member Reported by ClusterFuzz, Jul 1 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=4869304360370176

Fuzzer: j00ru_htmlcss_fuzz
Job Type: windows_syzyasan_chrome
Platform Id: windows

Crash Type: Wild-access READ 4
Crash Address: 0x2003a6aa
Crash State:
  blink::Text::TextLayoutObjectIsNeeded
  blink::Text::AttachLayoutTree
  blink::ContainerNode::AttachLayoutTree
  
Memory Tool: SYZYASAN

Regressed: https://clusterfuzz.com/revisions?job=windows_syzyasan_chrome&range=483901:483905

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4869304360370176


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.
 
Project Member

Comment 1 by ClusterFuzz, Jul 2 2017

ClusterFuzz has detected this issue as fixed in range 483914:483915.

Detailed report: https://clusterfuzz.com/testcase?key=4869304360370176

Fuzzer: j00ru_htmlcss_fuzz
Job Type: windows_syzyasan_chrome
Platform Id: windows

Crash Type: Wild-access READ 4
Crash Address: 0x2003a6aa
Crash State:
  blink::Text::TextLayoutObjectIsNeeded
  blink::Text::AttachLayoutTree
  blink::ContainerNode::AttachLayoutTree
  
Memory Tool: SYZYASAN

Regressed: https://clusterfuzz.com/revisions?job=windows_syzyasan_chrome&range=483901:483905
Fixed: https://clusterfuzz.com/revisions?job=windows_syzyasan_chrome&range=483914:483915

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4869304360370176


See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs 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 2 by ClusterFuzz, Jul 2 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 4869304360370176 is verified as fixed, so closing issue.

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

Comment 3 by sheriffbot@chromium.org, Jul 2 2017

Labels: -Restrict-View-SecurityTeam Restrict-View-SecurityNotify
Project Member

Comment 4 by sheriffbot@chromium.org, Oct 8 2017

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
Project Member

Comment 5 by sheriffbot@chromium.org, Jul 28

Labels: Pri-1

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