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Issue metadata

Status: Verified
Owner: ----
Closed: May 2017
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug-Security



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Heap-use-after-free in blink::LayoutText::SetText

Project Member Reported by ClusterFuzz, May 24 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6233287801700352

Fuzzer: bj_broddelwerk
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x610000084760
Crash State:
  blink::LayoutText::SetText
  blink::LayoutTextFragment::SetTextFragment
  blink::FirstLetterPseudoElement::DetachLayoutTree
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=474149:474177

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6233287801700352


Issue filed automatically.

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

Comment 1 by ClusterFuzz, May 25 2017

ClusterFuzz has detected this issue as fixed in range 474258:474287.

Detailed report: https://clusterfuzz.com/testcase?key=6233287801700352

Fuzzer: bj_broddelwerk
Job Type: linux_asan_content_shell_drt
Platform Id: linux

Crash Type: Heap-use-after-free READ 8
Crash Address: 0x610000084760
Crash State:
  blink::LayoutText::SetText
  blink::LayoutTextFragment::SetTextFragment
  blink::FirstLetterPseudoElement::DetachLayoutTree
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=474149:474177
Fixed: https://clusterfuzz.com/revisions?job=linux_asan_content_shell_drt&range=474258:474287

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6233287801700352


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, May 25 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Untriaged)
ClusterFuzz testcase 6233287801700352 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, May 25 2017

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

Comment 4 by sheriffbot@chromium.org, Aug 31 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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