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Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/cd889cddd3201471e7b34faf88a2b90f93b12929 (Add support for CryptoKey to V8-based structured clone path.).

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The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/83881c9bc1be6c66b09943ceb3a0c15f949eb71c

commit 83881c9bc1be6c66b09943ceb3a0c15f949eb71c
Author: Jeremy Roman <jbroman@chromium.org>
Date: Tue Jul 10 18:42:21 2018

webcrypto: Don't ignore invalid elliptic curve key data during deserialization.

Bug:  862147 
Change-Id: Ie0ca0c8375f201d055e16dd39c7454bd008a34f8
Reviewed-on: https://chromium-review.googlesource.com/1131837
Reviewed-by: Ryan Sleevi <rsleevi@chromium.org>
Commit-Queue: Jeremy Roman <jbroman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#573831}
[modify] https://crrev.com/83881c9bc1be6c66b09943ceb3a0c15f949eb71c/components/webcrypto/algorithms/ec.cc
[modify] https://crrev.com/83881c9bc1be6c66b09943ceb3a0c15f949eb71c/third_party/blink/renderer/bindings/modules/v8/serialization/v8_script_value_serializer_for_modules_test.cc

ClusterFuzz has detected this issue as fixed in range 573828:573835.

Detailed report: https://clusterfuzz.com/testcase?key=5198847471779840

Fuzzer: libFuzzer_v8_serialized_script_value_fuzzer
Job Type: libfuzzer_chrome_asan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000018
Crash State:
  blink::PtrStorageImpl<blink::WebCryptoKeyAlgorithmPrivate,
  blink::WebCryptoKeyAlgorithm::Id
  webcrypto::EcAlgorithm::DeserializeKeyForClone
  
Sanitizer: address (ASAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=425604:425615
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_asan&range=573828:573835

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5198847471779840

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md 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 5198847471779840 is verified as fixed, so closing issue as verified.

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