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diff --git a/fuzzers/patch_fuzzer.c b/fuzzers/patch_fuzzer.c
new file mode 100644
index 000000000..76186b6fb
--- /dev/null
+++ b/fuzzers/patch_fuzzer.c
@@ -0,0 +1,39 @@
+/*
+ * libgit2 patch fuzzer target.
+ *
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+
+#include "git2.h"
+#include "patch.h"
+#include "patch_parse.h"
+
+#define UNUSED(x) (void)(x)
+
+int LLVMFuzzerInitialize(int *argc, char ***argv)
+{
+ UNUSED(argc);
+ UNUSED(argv);
+
+ if (git_libgit2_init() < 0)
+ abort();
+
+ return 0;
+}
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+ if (size < 1) {
+ return 0;
+ }
+ git_patch* patch;
+ git_patch_options opts = {(uint32_t)data[0]};
+ int status = git_patch_from_buffer(&patch, (const char*)data+1, size-1, &opts);
+ if (status == 0 && patch) {
+ git_patch_free(patch);
+ }
+ return 0;
+}
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