InnoDB can abort if the doublewrite buffer contains a bad and a good copy

# 2017-01-14T19:58:03 [2066] --------- Contents of /home/buildbot/upgrade-10.1-to-10.1/current1_1/mysql.err -------------

2017-01-14 19:58:02 139960389887872 [Note] /home/buildbot/build/sql/mysqld (mysqld 10.1.21-MariaDB-debug) starting as process 2233 ...

2017-01-14 19:58:02 139960389887872 [Warning] No argument was provided to --log-bin and neither --log-basename or --log-bin-index where used;  This may cause repliction to break when this server acts as a master and has its hostname changed! Please use '--log-basename=debian-jessie-amd64' or '--log-bin=mysql-bin' to avoid this problem.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: innodb_page_size has been changed from default value 16384 to 8192.

2017-01-14 19:58:02 7f4b11526780 InnoDB: innodb-page-size has been changed from the default value 16384 to 8192.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Using mutexes to ref count buffer pool pages

2017-01-14 19:58:02 139960389887872 [Note] InnoDB:  InnoDB: !!!!!!!! UNIV_DEBUG switched on !!!!!!!!!

2017-01-14 19:58:02 139960389887872 [Note] InnoDB:  InnoDB: !!!!!!!! UNIV_SYNC_DEBUG switched on !!!!!!!!!

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: The InnoDB memory heap is disabled

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Compressed tables use zlib 1.2.8

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Using Linux native AIO

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Using generic crc32 instructions

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Initializing buffer pool, size = 128.0M

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Completed initialization of buffer pool

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 0 name ./ibdata1 key_id 1 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 4294967280 name ./ib_logfile0 key_id 0 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 4294967281 name arch_log_space key_id 0 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Highest supported file format is Barracuda.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: The log sequence numbers 6373461 and 6373461 in ibdata files do not match the log sequence number 6373471 in the ib_logfiles!

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Database was not shutdown normally!

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Starting crash recovery.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Reading tablespace information from the .ibd files...

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 11 name test/t6 key_id 1 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 15 name test/oltp1 key_id 1 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 18 name test/oltp7 key_id 1 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 9 name test/t4 key_id 1 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 17 name test/oltp5 key_id 1 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 6 name test/t1 key_id 1 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 16 name test/oltp3 key_id 1 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 10 name test/t5 key_id 1 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 7 name test/t2 key_id 1 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 8 name test/t3 key_id 1 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 14 name test/t9 key_id 1 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 12 name test/t7 key_id 1 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 13 name test/t8 key_id 1 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 2 name mysql/innodb_index_stats key_id 0 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 3 name mysql/gtid_slave_pos key_id 0 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Created tablespace for space 1 name mysql/innodb_table_stats key_id 0 encryption 0.

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: Restoring possible half-written data pages 

2017-01-14 19:58:02 139960389887872 [Note] InnoDB: from the doublewrite buffer...

InnoDB: Database page corruption or a failed

InnoDB: file read of space 0 page 674.

InnoDB: Trying to recover it from the doublewrite buffer.

…

InnoDB: Dump of corresponding page in doublewrite buffer:

                                } else if (buf_page_is_corrupted(true,

                                                                 page,

                                                                 zip_size)) {

                                        fprintf(stderr,

                                                "InnoDB: Dump of the page:\n");

                                        buf_page_print(

                                                read_buf, zip_size,

                                                BUF_PAGE_PRINT_NO_CRASH);

                                        fprintf(stderr,

                                                "InnoDB: Dump of"

                                                " corresponding page"

                                                " in doublewrite buffer:\n");