diff mbox series

crypto: skcipher - Zap type in crypto_alloc_sync_skcipher

Message ID Z6_mj5mfTrB3X23s@gondor.apana.org.au (mailing list archive)
State Accepted
Delegated to: Herbert Xu
Headers show
Series crypto: skcipher - Zap type in crypto_alloc_sync_skcipher | expand

Commit Message

Herbert Xu Feb. 15, 2025, 12:57 a.m. UTC 
The type needs to be zeroed as otherwise the user could use it to
allocate an asynchronous sync skcipher.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff mbox series

Patch

diff --git a/crypto/skcipher.c b/crypto/skcipher.c
index e3751cc88b76..cdf0f11c7eaa 100644
--- a/crypto/skcipher.c
+++ b/crypto/skcipher.c
@@ -682,6 +682,7 @@  struct crypto_sync_skcipher *crypto_alloc_sync_skcipher(
 
 	/* Only sync algorithms allowed. */
 	mask |= CRYPTO_ALG_ASYNC | CRYPTO_ALG_SKCIPHER_REQSIZE_LARGE;
+	type &= ~(CRYPTO_ALG_ASYNC | CRYPTO_ALG_SKCIPHER_REQSIZE_LARGE);
 
 	tfm = crypto_alloc_tfm(alg_name, &crypto_skcipher_type, type, mask);