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

fsamuel@, would you mind taking a look? Please feel free to re-assign if you are not a good owner for this.

ClusterFuzz has detected this issue as fixed in range 441510:441524.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5645303261954048

Fuzzer: inferno_twister
Job Type: windows_syzyasan_content_shell
Platform Id: windows

Crash Type: Heap-use-after-free READ 4
Crash Address: 0x2922158f
Crash State:
  cc::SurfaceManager::Destroy
  cc::SurfaceFactory::EvictSurface
  cc::CompositorFrameSinkSupport::~CompositorFrameSinkSupport
  
Memory Tool: SYZYASAN

Recommended Security Severity: High

Regressed: https://cluster-fuzz.appspot.com/revisions?job=windows_syzyasan_content_shell&range=440968:440977
Fixed: https://cluster-fuzz.appspot.com/revisions?job=windows_syzyasan_content_shell&range=441510:441524

Minimized Testcase (0.18 Kb):
Download: https://cluster-fuzz.appspot.com/download/AMIfv97e0ybbs6k3RdITGJsCka8beev6rcdrFlGvUSiTSk_cfI58xn8GRbSnvzEKGaT9un4pn2rAagRN3tneYeF4Z4OQbq5PR9PIDmxn40QWawTj-qF5PhF-zk2klr9Wfpd6ywyn5Za-fC0MavCNCO41ANCoPNuKtXq7oUCephpFw0vDHylLn3KJQvpVRcqey2zdZFbB-42eTOkAU1uQrd6T26aamOE4OzntkO9APbkGBpXw6RXLk7t2YrxsFwR9G0uV1TfzvjNLuCTq-bXMinuOsiIcgW3k8QWIX3oa1Ipt_YLUAl2yq3FEcs68bW-hVtfC03GHlA5pckBkxg1wNxCK6YoHQJAHDB3drCMe7cpC_qaYKEoFBlc?testcase_id=5645303261954048
</title>
<script>
var canvas = document.createElement('canvas');
var offscreen = canvas.transferControlToOffscreen();
var ctx = offscreen.getContext('2d');
ctx.commit();
</script>


Additional requirements: Requires HTTP

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