Predator and CL could not provide any possible suspects.

Using Code Search for the file, "picture_in_picture_interstitial.cc" suspecting the below Cl might have caused this issue

Suspect CL: https://chromium.googlesource.com/chromium/src/+/8d204a47e52eba9b79de87c8df23c3c3c0d70327

danakj@ -- Could you please check whether this is caused with respect to your change, if not please help us in assigning it to the right owner.

Thanks!

PictureInPictureInterstitial::Show is using a null cc::Layer? Assigning there.

ClusterFuzz has detected this issue as fixed in range 592979:592980.

Detailed report: https://clusterfuzz.com/testcase?key=5780706320711680

Fuzzer: ochang_media_mutator
Job Type: linux_asan_chrome_media
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x0000000000cc
Crash State:
  cc::Layer::SetIsDrawable
  blink::PictureInPictureInterstitial::Show
  blink::HTMLVideoElement::OnEnteredPictureInPicture
  
Sanitizer: address (ASAN)

Fixed: https://clusterfuzz.com/revisions?job=linux_asan_chrome_media&range=592979:592980

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5780706320711680

Additional requirements: Requires Gestures

See https://github.com/google/clusterfuzz-tools for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

ClusterFuzz testcase 5780706320711680 is verified as fixed, so closing issue as verified.

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