This is a crash in PDF, since the code is not accessible, looping to PDF owners - src/third_party/pdfium for updates. 

ligimole: Infra>Client>Pdfium is the wrong label.

Sure ,thanks for the update.

Probably the same as  bug 612922

ClusterFuzz has detected this issue as fixed in range 397239:397396.

Detailed report: https://cluster-fuzz.appspot.com/testcase?key=6205750967271424

Fuzzer: ifratric_acrojs
Job Type: mac_asan_chrome
Platform Id: mac

Crash Type: UNKNOWN READ
Crash Address: 0x000000000000
Crash State:
  CXFA_ScriptContext::GlobalPropertyGetter
  FXJSE_V8_GenericNamedPropertyGetterCallback
  v8::internal::PropertyCallbackArguments::Call
  
Regressed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_chrome&range=393862:393893
Fixed: https://cluster-fuzz.appspot.com/revisions?job=mac_asan_chrome&range=397239:397396

Minimized Testcase (475.50 Kb): https://cluster-fuzz.appspot.com/download/AMIfv968LHVb7W3rJnlHRSROhv2SHHhBBh-ldKgbGn1ZWyMC2hQMUGE_R31KPnsu-kQt8UqmQc-X6_Ded5CJP7wbiHYYwPELrDT7j93TvDOanKvOuipF6TevMj_FOyEzmI01U3mTI9Zkb5HFh_SUM6YEpafFxKVWAB9vQI3QPAgdYBOIagCp3Co

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.

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