1 files changed, 64 insertions, 0 deletions
diff --git a/tests/fuzz/crypt2_load_ondisk_fuzz.cc b/tests/fuzz/crypt2_load_ondisk_fuzz.cc
new file mode 100644
index 0000000..9b5328d
--- /dev/null
+++ b/tests/fuzz/crypt2_load_ondisk_fuzz.cc
@@ -0,0 +1,64 @@
+/*
+ * cryptsetup LUKS1, FileVault, BitLocker fuzz target
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+extern "C" {
+#define FILESIZE (16777216)
+#include "src/cryptsetup.h"
+#include <err.h>
+#include "luks1/luks.h"
+#include "crypto_backend/crypto_backend.h"
+#include "FuzzerInterface.h"
+
+void empty_log(int level, const char *msg, void *usrptr) {}
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+	int fd, r;
+	struct crypt_device *cd = NULL;
+	char name[] = "/tmp/test-script-fuzz.XXXXXX";
+
+	fd = mkostemp(name, O_RDWR | O_CREAT | O_EXCL | O_CLOEXEC);
+	if (fd == -1)
+		err(EXIT_FAILURE, "mkostemp() failed");
+
+	/* enlarge header */
+	if (ftruncate(fd, FILESIZE) == -1)
+		goto out;
+
+	if (write_buffer(fd, data, size) != (ssize_t) size)
+		goto out;
+
+	crypt_set_log_callback(NULL, empty_log, NULL);
+
+	if (crypt_init(&cd, name) == 0) {
+		r = crypt_load(cd, CRYPT_LUKS1, NULL);
+		if (r == 0)
+			goto out;
+
+		r = crypt_load(cd, CRYPT_FVAULT2, NULL);
+		if (r == 0)
+			goto out;
+
+		(void) crypt_load(cd, CRYPT_BITLK, NULL);
+	}
+out:
+	crypt_free(cd);
+	close(fd);
+	unlink(name);
+	return 0;
+}
+}