Suspected CL could 
https://chromium.googlesource.com/chromium/src/+/c6dd4461f54c7d3f4e87bc6626e4a81f4b36dba0%5E%21/content/browser/renderer_host/media/media_stream_manager.cc

Last updated by guidou@ weeks ago , please have a look and reassign if needed.

Thank you.

ClusterFuzz has detected this issue as fixed in range 402067:402073.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=5957929970958336

Fuzzer: ipc_fuzzer_gen
Job Type: linux_cfi_chrome_ipc
Platform Id: linux

Crash Type: CHECK failure
Crash Address: 
Crash State:
  SiteIsolationPolicy::AreCrossProcessFramesPossible() in render_frame_host_impl.c
  content::RenderFrameHostImpl::OnDispatchLoad
  _ZN3IPC16DispatchToMethodIN7content19RenderFrameHostImplEMS2_FvvEvSt5tupleIJEEEE
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=linux_cfi_chrome_ipc&range=402062:402067
Fixed: https://cluster-fuzz.appspot.com/revisions?job=linux_cfi_chrome_ipc&range=402067:402073

Minimized Testcase (205.51 Kb): https://cluster-fuzz.appspot.com/download/AMIfv954xcGuBMXpfG7yr4H8kBG-JopjLsjeErlS_R2gyPv1LylG1DYq1xVULlsXCC7GRqV2vekcWPmTp86IUhHrRXEojF6azh58NsThUrz5DgJwfi6dCWlA5SEaIUTeWcugoJbkPfmJMd2ujk6Kr5u2w-wozu1fEIjiJMWXBOxCxxNvecBc2kc?testcase_id=5957929970958336

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.

ClusterFuzz testcase is verified as fixed, closing issue.

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