MDEV-18279 MLOG_FILE_WRITE_CRYPT_DATA fails to set the crypt_data->type for tablespace.

Problem:
========
MLOG_FILE_WRITE_CRYPT_DATA redo log fails to apply type for
the crypt_data present in the space. While processing the double-write
buffer pages, page fails to decrypt. It leads to warning message.

Fix:
====
Set the type while parsing MLOG_FILE_WRITE_CRYPT_DATA redo log.
If type and length is of invalid type then mark it as corrupted.

storage/innobase/fil/fil0crypt.cc

@@ -529,10 +529,12 @@ fil_parse_write_crypt_data(
 	uint len = mach_read_from_1(ptr);
 	ptr += 1;
 
-	ut_a(type == CRYPT_SCHEME_UNENCRYPTED ||
-	     type == CRYPT_SCHEME_1); // only supported
+	if ((type != CRYPT_SCHEME_1 && type != CRYPT_SCHEME_UNENCRYPTED)
+	    || len != CRYPT_SCHEME_1_IV_LEN) {
+		*err = DB_CORRUPTION;
+		return NULL;
+	}
 
-	ut_a(len == CRYPT_SCHEME_1_IV_LEN); // only supported
 	uint min_key_version = mach_read_from_4(ptr);
 	ptr += 4;
 
@@ -551,6 +553,7 @@ fil_parse_write_crypt_data(
 	crypt_data->page0_offset = offset;
 	crypt_data->min_key_version = min_key_version;
 	crypt_data->encryption = encryption;
+	crypt_data->type = type;
 	memcpy(crypt_data->iv, ptr, len);
 	ptr += len;
 

storage/xtradb/fil/fil0crypt.cc

@@ -529,10 +529,12 @@ fil_parse_write_crypt_data(
 	uint len = mach_read_from_1(ptr);
 	ptr += 1;
 
-	ut_a(type == CRYPT_SCHEME_UNENCRYPTED ||
-	     type == CRYPT_SCHEME_1); // only supported
+	if ((type != CRYPT_SCHEME_1 && type != CRYPT_SCHEME_UNENCRYPTED)
+	    || len != CRYPT_SCHEME_1_IV_LEN) {
+		*err = DB_CORRUPTION;
+		return NULL;
+	}
 
-	ut_a(len == CRYPT_SCHEME_1_IV_LEN); // only supported
 	uint min_key_version = mach_read_from_4(ptr);
 	ptr += 4;
 
@@ -551,6 +553,7 @@ fil_parse_write_crypt_data(
 	crypt_data->page0_offset = offset;
 	crypt_data->min_key_version = min_key_version;
 	crypt_data->encryption = encryption;
+	crypt_data->type = type;
 	memcpy(crypt_data->iv, ptr, len);
 	ptr += len;