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Prevent oemcrypto_opk_deactivate_usage_entry_fuzz abort

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Merge from Widevine repo of http://go/wvgerrit/158203

Prevent abort, interpreted as a crash by libFuzzer, when
OEMCrypto_CreateUsageTableHeader fails session state checks due to being
called after OEMCrypto_GenerateNonce.

Bug: 251215411
Test: tested with http://go/ag/20420224

Change-Id: I71ad1186ff2cb9ced81f9950d2fa235878aeb54d
This commit is contained in:
Ian Benz
2022-11-08 13:48:18 -08:00
committed by Fred Gylys-Colwell
parent d04af0042e
commit 7671db226a
1 changed files with 1 additions and 1 deletions
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2
libwvdrmengine/oemcrypto/test/fuzz_tests/oemcrypto_deactivate_usage_entry_fuzz.cc
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@@ -16,8 +16,8 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
Session* session = entry.license_messages().session();
session->open();
entry.InstallTestRSAKey(session);
session->GenerateNonce();
session->CreateNewUsageEntry();
session->GenerateNonce();
vector<uint8_t> encrypted_usage_header;
session->UpdateUsageEntry(&encrypted_usage_header);
// LoadLicense sets the pst for usage entry.