1 files changed, 85 insertions, 0 deletions
diff --git a/security/nss/fuzz/quickder_target.cc b/security/nss/fuzz/quickder_target.cc
new file mode 100644
index 000000000..e24627590
--- /dev/null
+++ b/security/nss/fuzz/quickder_target.cc
@@ -0,0 +1,85 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "asn1_mutators.h"
+#include "shared.h"
+
+const std::vector<const SEC_ASN1Template *> templates = {
+    CERT_AttributeTemplate,
+    CERT_CertExtensionTemplate,
+    CERT_CertificateRequestTemplate,
+    CERT_CertificateTemplate,
+    CERT_CrlTemplate,
+    CERT_IssuerAndSNTemplate,
+    CERT_NameTemplate,
+    CERT_PublicKeyAndChallengeTemplate,
+    CERT_RDNTemplate,
+    CERT_SequenceOfCertExtensionTemplate,
+    CERT_SetOfAttributeTemplate,
+    CERT_SetOfSignedCrlTemplate,
+    CERT_SignedCrlTemplate,
+    CERT_SignedDataTemplate,
+    CERT_SubjectPublicKeyInfoTemplate,
+    CERT_TimeChoiceTemplate,
+    CERT_ValidityTemplate,
+    SEC_AnyTemplate,
+    SEC_BitStringTemplate,
+    SEC_BMPStringTemplate,
+    SEC_BooleanTemplate,
+    SEC_CertSequenceTemplate,
+    SEC_EnumeratedTemplate,
+    SEC_GeneralizedTimeTemplate,
+    SEC_IA5StringTemplate,
+    SEC_IntegerTemplate,
+    SEC_NullTemplate,
+    SEC_ObjectIDTemplate,
+    SEC_OctetStringTemplate,
+    SEC_PointerToAnyTemplate,
+    SEC_PointerToEnumeratedTemplate,
+    SEC_PointerToGeneralizedTimeTemplate,
+    SEC_PointerToOctetStringTemplate,
+    SEC_PrintableStringTemplate,
+    SEC_SetOfAnyTemplate,
+    SEC_SetOfEnumeratedTemplate,
+    SEC_SequenceOfAnyTemplate,
+    SEC_SequenceOfObjectIDTemplate,
+    SEC_SignedCertificateTemplate,
+    SEC_SkipTemplate,
+    SEC_T61StringTemplate,
+    SEC_UniversalStringTemplate,
+    SEC_UTCTimeTemplate,
+    SEC_UTF8StringTemplate,
+    SEC_VisibleStringTemplate,
+    SECKEY_DHParamKeyTemplate,
+    SECKEY_DHPublicKeyTemplate,
+    SECKEY_DSAPrivateKeyExportTemplate,
+    SECKEY_DSAPublicKeyTemplate,
+    SECKEY_PQGParamsTemplate,
+    SECKEY_PrivateKeyInfoTemplate,
+    SECKEY_RSAPSSParamsTemplate,
+    SECKEY_RSAPublicKeyTemplate,
+    SECOID_AlgorithmIDTemplate};
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+  char *dest[2048];
+
+  for (auto tpl : templates) {
+    PORTCheapArenaPool pool;
+    SECItem buf = {siBuffer, const_cast<unsigned char *>(Data),
+                   static_cast<unsigned int>(Size)};
+
+    PORT_InitCheapArena(&pool, DER_DEFAULT_CHUNKSIZE);
+    (void)SEC_QuickDERDecodeItem(&pool.arena, dest, tpl, &buf);
+    PORT_DestroyCheapArena(&pool);
+  }
+
+  return 0;
+}
+
+extern "C" size_t LLVMFuzzerCustomMutator(uint8_t *data, size_t size,
+                                          size_t max_size, unsigned int seed) {
+  return CustomMutate(
+      Mutators({ASN1MutatorFlipConstructed, ASN1MutatorChangeType}), data, size,
+      max_size, seed);
+}