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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/net/ceph/crypto.c
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@@ -46,9 +46,9 @@
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 		goto fail;
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 	}
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-	/* crypto_alloc_skcipher() allocates with GFP_KERNEL */
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+	/* crypto_alloc_sync_skcipher() allocates with GFP_KERNEL */
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 	noio_flag = memalloc_noio_save();
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-	key->tfm = crypto_alloc_skcipher("cbc(aes)", 0, CRYPTO_ALG_ASYNC);
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+	key->tfm = crypto_alloc_sync_skcipher("cbc(aes)", 0, 0);
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 	memalloc_noio_restore(noio_flag);
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 	if (IS_ERR(key->tfm)) {
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 		ret = PTR_ERR(key->tfm);
..
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@@ -56,7 +56,7 @@
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 		goto fail;
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 	}
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-	ret = crypto_skcipher_setkey(key->tfm, key->key, key->len);
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+	ret = crypto_sync_skcipher_setkey(key->tfm, key->key, key->len);
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 	if (ret)
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 		goto fail;
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..
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@@ -136,8 +136,10 @@
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 	if (key) {
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 		kfree(key->key);
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 		key->key = NULL;
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-		crypto_free_skcipher(key->tfm);
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-		key->tfm = NULL;
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+		if (key->tfm) {
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+			crypto_free_sync_skcipher(key->tfm);
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+			key->tfm = NULL;
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+		}
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 	}
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 }
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..
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@@ -216,7 +218,7 @@
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 static int ceph_aes_crypt(const struct ceph_crypto_key *key, bool encrypt,
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 			  void *buf, int buf_len, int in_len, int *pout_len)
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 {
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-	SKCIPHER_REQUEST_ON_STACK(req, key->tfm);
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+	SYNC_SKCIPHER_REQUEST_ON_STACK(req, key->tfm);
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 	struct sg_table sgt;
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 	struct scatterlist prealloc_sg;
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 	char iv[AES_BLOCK_SIZE] __aligned(8);
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@@ -232,7 +234,7 @@
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 		return ret;
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 	memcpy(iv, aes_iv, AES_BLOCK_SIZE);
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-	skcipher_request_set_tfm(req, key->tfm);
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+	skcipher_request_set_sync_tfm(req, key->tfm);
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 	skcipher_request_set_callback(req, 0, NULL, NULL);
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 	skcipher_request_set_crypt(req, sgt.sgl, sgt.sgl, crypt_len, iv);
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