From 72173b27772b5b69398f3bfd300fa26f0529d5db Mon Sep 17 00:00:00 2001
From: Kfir Kahanov <kfirka3@gmail.com>
Date: Sun, 2 Nov 2025 23:43:36 +0200
Subject: [PATCH] bitlocker: Handle getting NULL passwords

---
 lib/bitlk/bitlk.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/bitlk/bitlk.c b/lib/bitlk/bitlk.c
index 9fdd0606..5f1762a7 100644
--- a/lib/bitlk/bitlk.c
+++ b/lib/bitlk/bitlk.c
@@ -1132,6 +1132,9 @@ static int bitlk_kdf(const char *password,
 	int i = 0;
 	int r = 0;
 
+	if (!password)
+		return -EINVAL;
+
 	memcpy(kdf.salt, salt, 16);
 
 	r = crypt_hash_init(&hd, BITLK_KDF_HASH);