This issue is a security regression. If you are not able to fix this quickly, please revert the change that introduced it.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Duping to  issue 725929  based on very similar crash stack and regression range.

ClusterFuzz has detected this issue as fixed in range 474860:474886.

Detailed report: https://clusterfuzz.com/testcase?key=4621170216534016

Fuzzer: lcamtuf_cross_fuzz
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x6040002e9ee8
Crash State:
  std::__1::pair<WTF::KeyValuePair<std::__1::pair<unsigned char, WTF::StringImpl*>
  blink::HTMLCollection* blink::NodeListsNodeData::AddCache<blink::HTMLCollection>
  blink::ContainerNode::Children
  
Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=474198:474222
Fixed: https://clusterfuzz.com/revisions?job=mac_asan_chrome&range=474860:474886

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=4621170216534016


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.

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