backup shows corruption for 5.5 Server with innodb-fast-checksum

Starting /home/a/env1/m4-5.5.58/../_depot/m-tar/5.5.58/bin/mysqld --defaults-file=/dev/shm/__var0/var1/my.cnf   

171027 13:42:34 [Note] /home/a/env1/m4-5.5.58/../_depot/m-tar/5.5.58/bin/mysqld (mysqld 5.5.58-MariaDB) starting as process 18291 ...

2017-10-27 13:42:35: bash: Made 1 attempts to connect to server

2017-10-27 13:42:36: bash: Made 2 attempts to connect to server

2017-10-27 13:42:36: bash: Server with id=1 has been started on port 30447, socket /dev/shm/__var0/tmp/mysql.sock.FzSieM

2017-10-27 13:42:36: bash: Loading sakila

2017-10-27 13:42:36: bash: Loading sakila scheme

2017-10-27 13:42:36: bash: Loading sakila data

2017-10-27 13:42:36: bash: ===> /home/a/env1/m7-10.1/bld/extra/mariabackup//mariabackup --innobackupex --defaults-file=/dev/shm/__var0/var1/my.cnf --no-version-check --no-timestamp /dev/shm/__var0/var1/backup

171027 13:42:36 innobackupex: Starting the backup operation

IMPORTANT: Please check that the backup run completes successfully.

           At the end of a successful backup run innobackupex

           prints "completed OK!".

171027 13:42:36 Connecting to MySQL server host: localhost, user: root, password: not set, port: not set, socket: /dev/shm/__var0/tmp/mysql.sock.FzSieM

Using server version 5.5.58-MariaDB

--innobackupex based on MariaDB server 10.1.29-MariaDB Linux (x86_64) 

mariabackup: uses posix_fadvise().

mariabackup: cd to /dev/shm/__var0/var1/data/

mariabackup: open files limit requested 0, set to 1024

mariabackup: using the following InnoDB configuration:

mariabackup:   innodb_data_home_dir = ./

mariabackup:   innodb_data_file_path = ibdata1:10M:autoextend

mariabackup:   innodb_log_group_home_dir = ./

mariabackup:   innodb_log_files_in_group = 2

mariabackup:   innodb_log_file_size = 50331648

171027 13:42:36 >> log scanned up to (8411847)

mariabackup: Generating a list of tablespaces

171027 13:42:37 [01] Copying ./ibdata1 to /dev/shm/__var0/var1/backup/ibdata1

[01] mariabackup: Database page corruption detected at page 0, retrying...

[01] mariabackup: Database page corruption detected at page 0, retrying...

[01] mariabackup: Database page corruption detected at page 0, retrying...

[01] mariabackup: Database page corruption detected at page 0, retrying...

[01] mariabackup: Database page corruption detected at page 0, retrying...

[01] mariabackup: Database page corruption detected at page 0, retrying...

[01] mariabackup: Database page corruption detected at page 0, retrying...

[01] mariabackup: Database page corruption detected at page 0, retrying...

171027 13:42:37 >> log scanned up to (8411847)

[01] mariabackup: Database page corruption detected at page 0, retrying...

[01] mariabackup: Error: failed to read page after 10 retries. File ./ibdata1 seems to be corrupted.

[01] mariabackup: Error: xtrabackup_copy_datafile() failed.

[01] mariabackup: Error: failed to copy datafile.

2017-10-27 13:42:37: bash: ===> mariabackup failed with exit code 1

[innodb_fast_checksum] (4 sec) (res 1) FAIL