On Tue, Jan 18, 2022 at 09:56:49AM +0800, kernel test robot wrote:
>
> [ 42.753085][ T1] WARNING: CPU: 1 PID: 1 at crypto/kdf_sp800108.c:138 crypto_kdf108_init (crypto/kdf_sp800108.c:136)
> [ 42.754665][ T1] Modules linked in:
> [ 42.755366][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.16.0-rc1-00049-gd3b04a4398fe #2
> [ 42.756752][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
> [ 42.758199][ T1] RIP: 0010:crypto_kdf108_init (crypto/kdf_sp800108.c:136)
>
> CONFIG_CRYPTO_HMAC=m
> CONFIG_CRYPTO_KDF800108_CTR=y
---8<---
In addition to sha256 we must also enable hmac for the kdf self-test
to work.
Reported-by: kernel test robot <oliver.sang@xxxxxxxxx>
Fixes: 304b4acee2f0 ("crypto: kdf - select SHA-256 required...")
Fixes: 026a733e6659 ("crypto: kdf - add SP800-108 counter key...")
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 3ba2f532d79c..2b0456731603 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -1850,6 +1850,7 @@ config CRYPTO_JITTERENTROPY
config CRYPTO_KDF800108_CTR
tristate
+ select CRYPTO_HMAC
select CRYPTO_SHA256
config CRYPTO_USER_API
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
