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

+ awhalley@, could you ptal as this is blocking Next week beta release on Wednesday, 10/26/16. Thank you.

Issue 658163 has been merged into this issue.

nainar: Would you mind taking a look? Wondering if this is related to https://chromium.googlesource.com/chromium/src/+/09b7a8cf0647abca732b3718987a629d12a67fee

 Issue 658531  has been merged into this issue.

 Issue 658548  has been merged into this issue.

ClusterFuzz has detected this issue as fixed in range 428077:428348.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=4725692854173696

Fuzzer: mbarbella_webcomponents
Job Type: linux_asan_chrome_mp
Platform Id: linux

Crash Type: Heap-use-after-free READ 7
Crash Address: 0x60d000005020
Crash State:
  blink::LayoutObject::clearIsScrollAnchorObject
  blink::PaintLayer::~PaintLayer
  blink::PaintLayer::~PaintLayer
  
Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_mp&range=426296:426375
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_asan_chrome_mp&range=428077:428348

Minimized Testcase (2.03 Kb): https://cluster-fuzz.appspot.com/download/AMIfv97gmC_YZs7rS52wsItJl10t0OfzBN-O37YCChDpZjVR-7CmuNxhurhCmfDnmxAgyRb9K1N0w4o8Pg3DW244Y1NYYxzlxvxtQU3G2S-kjn7v-ZpzKIxp3bcWMUpvmSUxDlIj5j603oVyUSEAhiPm-R2XOzf-0A?testcase_id=4725692854173696

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