--source include/have_innodb.inc
--source include/have_innodb_16k.inc
--source include/no_valgrind_without_big.inc

--disable_query_log
call mtr.add_suppression("InnoDB: Upgrade after a crash is not supported");
call mtr.add_suppression("InnoDB: Plugin initialization aborted");
call mtr.add_suppression("Plugin 'InnoDB' init function returned error");
call mtr.add_suppression("Plugin 'InnoDB' registration as a STORAGE ENGINE failed");
call mtr.add_suppression("InnoDB: Unsupported redo log format");
call mtr.add_suppression("InnoDB: No valid checkpoint was found");
call mtr.add_suppression("InnoDB: Invalid log header checksum");
call mtr.add_suppression("InnoDB: Missing MLOG_CHECKPOINT");
call mtr.add_suppression("InnoDB: MLOG_FILE_NAME incorrect");
call mtr.add_suppression("InnoDB: ############### CORRUPT LOG RECORD FOUND");
call mtr.add_suppression("InnoDB: Log scan aborted at LSN");
call mtr.add_suppression("InnoDB: Missing MLOG_FILE_NAME or MLOG_FILE_DELETE before MLOG_CHECKPOINT for tablespace 42\\r?$");
call mtr.add_suppression("InnoDB: Obtaining redo log encryption key version 1 failed");
call mtr.add_suppression("InnoDB: Decrypting checkpoint failed");
call mtr.add_suppression("InnoDB: Log file .*ib_logfile1 is of different size 2097152 bytes than other log files (1048576|4194304) bytes!");
call mtr.add_suppression("InnoDB: The change buffer is corrupted");
--enable_query_log

let bugdir= $MYSQLTEST_VARDIR/tmp/log_corruption;
--mkdir $bugdir
--let SEARCH_FILE = $MYSQLTEST_VARDIR/log/mysqld.1.err

let $check_no_innodb=SELECT * FROM INFORMATION_SCHEMA.ENGINES
WHERE engine = 'innodb'
AND support IN ('YES', 'DEFAULT', 'ENABLED');

write_file $bugdir/ib_buffer_pool;
EOF

--let $dirs= --innodb-data-home-dir=$bugdir --innodb-log-group-home-dir=$bugdir

perl;
do "$ENV{MTR_SUITE_DIR}/../innodb/include/crc32.pl";
# Create a dummy system tablespace file using the default innodb_page_size=16k
die unless open OUT, ">", "$ENV{bugdir}/ibdata1";
binmode OUT;

# We calculate innodb_checksum_algorithm=crc32 for the pages.
# The following bytes are excluded:
# bytes 0..3 (the checksum is stored there)
# bytes 26..37 (encryption key version, post-encryption checksum, tablespace id)
# bytes $page_size-8..$page_size-1 (checksum, LSB of FIL_PAGE_LSN)
my $polynomial = 0x82f63b78; # CRC-32C

# Tablespace header page with valid FSP_SIZE=768 pages.
# Also, write a dummy FSEG_MAGIC_N at offset 60 to keep fseg_inode_try_get()
# happy when fseg_n_reserved_pages() is following an invalid pointer
# from the all-zero change buffer header page (page 3).
## FIL_PAGE_OFFSET
my $head = pack("Nx[18]", 0);
## FSP_PAGE_SIZE, # FSEG_MAGIC_N
my $body = pack("x[8]Nx[10]Nx[16312]", 768, 97937874);
my $ck = mycrc32($head, 0, $polynomial) ^ mycrc32($body, 0, $polynomial);
print OUT pack("N",$ck).$head.pack("x[12]").$body.pack("Nx[4]",$ck);

# Dummy change buffer header page (page 3).
die unless seek(OUT, 3 * 16384, 0);
## FIL_PAGE_OFFSET, FIL_PAGE_PREV, FIL_PAGE_NEXT, FIL_PAGE_TYPE
my $head = pack("NNNx[8]n", 3, 0xffffffff, 0xffffffff, 6);
my $body = pack("x[62]nnx[16272]", 2, 50);
my $ck = mycrc32($head, 0, $polynomial) ^ mycrc32($body, 0, $polynomial);
print OUT pack("N",$ck).$head.pack("x[12]").$body.pack("Nx[4]",$ck);

# Dummy change buffer root page (page 4).
## FIL_PAGE_OFFSET, FIL_PAGE_PREV, FIL_PAGE_NEXT
my $head = pack("NNNx[10]", 4, 0xffffffff, 0xffffffff);
my $body = chr(0) x 16338;
my $ck = mycrc32($head, 0, $polynomial) ^ mycrc32($body, 0, $polynomial);
print OUT pack("N",$ck).$head.pack("x[12]").$body.pack("Nx[4]",$ck);

# Dictionary header page (page 7).
die unless seek(OUT, 7 * 16384, 0);
## FIL_PAGE_OFFSET
$head = pack("Nx[18]", 7);
## DICT_HDR_TABLES,DICT_HDR_INDEXES
$body = pack("x[32]Nx[8]Nx[16290]", 8, 9);
$ck = mycrc32($head, 0, $polynomial) ^ mycrc32($body, 0, $polynomial);
print OUT pack("N",$ck).$head.pack("x[12]").$body.pack("Nx[4]",$ck);

# Empty SYS_TABLES page (page 8).
## FIL_PAGE_OFFSET, FIL_PAGE_PREV, FIL_PAGE_NEXT, FIL_PAGE_TYPE
$head = pack("NNNx[8]n", 8, ~0, ~0, 17855);
## PAGE_N_DIR_SLOTS, PAGE_HEAP_TOP, PAGE_INDEX_ID == DICT_TABLES_ID
$body = pack("nnx[31]Cx[20]", 2, 124, 1);
$body .= pack("nxnn", 0x801, 3, 116) . "infimum";
$body .= pack("xnxnxx", 0x901, 0x803) . "supremum";
$body .= pack("x[16248]nn", 116, 101);
$ck = mycrc32($head, 0, $polynomial) ^ mycrc32($body, 0, $polynomial);
print OUT pack("N",$ck).$head.pack("x[12]").$body.pack("Nx[4]",$ck);

# Empty SYS_INDEXES page (page 9).
## FIL_PAGE_OFFSET, FIL_PAGE_PREV, FIL_PAGE_NEXT, FIL_PAGE_TYPE
$head = pack("NNNx[8]n", 9, ~0, ~0, 17855);
## PAGE_N_DIR_SLOTS, PAGE_HEAP_TOP, PAGE_INDEX_ID == DICT_INDEXES_ID
$body = pack("nnx[31]Cx[20]", 2, 124, 3);
$body .= pack("nxnn", 0x801, 3, 116) . "infimum";
$body .= pack("xnxnxx", 0x901, 0x803) . "supremum";
$body .= pack("x[16248]nn", 116, 101);
$ck = mycrc32($head, 0, $polynomial) ^ mycrc32($body, 0, $polynomial);
print OUT pack("N",$ck).$head.pack("x[12]").$body.pack("Nx[4]",$ck);

print OUT chr(0) x (759 * 16384);
close OUT or die;

# Create a redo log from before MariaDB 10.2.2/MySQL 5.7.9
die unless open OUT, ">", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
print OUT pack("x[9]nx[5]", 0x1286), "    ", chr(0) x 492;
print OUT pack("x[13]nCNnxxNNx[256]", 0x1286, 12, 0x80c, 0xf0, ~0, ~0);
print OUT pack("H*x[1240]", "590DBAACFE922582");
print OUT pack("H*x[5]", "800009440022000c0000000138");
print OUT pack("H*x[475]H*", "12860cb7809781e80006626f677573", "089C0ADA");
print OUT chr(0) x 2094592;
close OUT or die;
EOF

--echo # redo log from before MariaDB 10.2.2/MySQL 5.7.9
--let $restart_parameters= $dirs
--source include/restart_mysqld.inc
eval $check_no_innodb;
--source include/shutdown_mysqld.inc

let SEARCH_PATTERN=InnoDB: Upgrade after a crash is not supported. This redo log was created before MariaDB 10\\.2\\.2\\.;
--source include/search_pattern_in_file.inc

--echo # redo log from before MariaDB 10.2.2, with corrupted log checkpoint
--move_file $bugdir/ib_logfile0 $bugdir/ib_logfile
perl;
# Create a dummy second redo log file
die unless open OUT, ">", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
print OUT chr(0) x 1048576;
close OUT or die;
EOF
--source include/start_mysqld.inc
eval $check_no_innodb;
--source include/shutdown_mysqld.inc

let SEARCH_PATTERN=InnoDB: Upgrade after a crash is not supported. This redo log was created before MariaDB 10\\.2\\.2, and we did not find a valid checkpoint;
--source include/search_pattern_in_file.inc

--echo # redo log from before MariaDB 10.2.2, with corrupted log block
--remove_file $bugdir/ib_logfile0
--move_file $bugdir/ib_logfile $bugdir/ib_logfile0
# Create a dummy second redo log file that does not contain payload.
--copy_file $bugdir/ib_logfile0 $bugdir/ib_logfile1

perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
die unless seek(OUT, 0x800, 0);
print OUT pack("Nx[508]", 0xc0deba5e);
close OUT or die;
EOF

--source include/start_mysqld.inc
eval $check_no_innodb;
--source include/shutdown_mysqld.inc
--source include/search_pattern_in_file.inc

--echo # empty redo log from before MariaDB 10.2.2
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
die unless seek(OUT, 0x800, 0);
print OUT pack("NnnNx[496]N", 0x80000944, 12, 12, 0, 0xb2a);
close OUT or die;
EOF
--let $restart_parameters= $dirs --innodb-force-recovery=5 --innodb-log-file-size=4m
--source include/start_mysqld.inc
SELECT COUNT(*) FROM INFORMATION_SCHEMA.ENGINES
WHERE engine = 'innodb'
AND support IN ('YES', 'DEFAULT', 'ENABLED');
--source include/shutdown_mysqld.inc
--let SEARCH_PATTERN= InnoDB: Upgrading redo log:
--source include/search_pattern_in_file.inc
--let $restart_parameters= $dirs

--echo # Corrupted multi-file redo log from before MariaDB 10.2.2
--move_file $bugdir/ib_logfile0 $bugdir/ib_logfile
perl;
die unless open OUT, ">", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
print OUT pack("x[9]nx[5]", 0x1286), "    ", chr(0) x 492;
print OUT pack("x[13]nCNnxxNNx[256]", 0x1286, 12, 0x20000c, 0xf0, ~0, ~0);
print OUT pack("H*x[1240]", "B41DCAC4525D1217");
print OUT pack("H*x[5]", "800009440022000c0000000138");
print OUT pack("H*x[475]H*", "12860cb7809781e80006626f677573", "089C0ADA");
print OUT chr(0) x 1046016;
close OUT or die;

die unless open OUT, ">", "$ENV{bugdir}/ib_logfile1";
binmode OUT;
die unless seek(OUT, 0xFF800, 0);
print OUT chr(0) x 2048;
close OUT or die;
EOF

--let $restart_parameters= $dirs --innodb-force-recovery=5 --innodb-log-file-size=4m
--source include/start_mysqld.inc
SELECT COUNT(*) FROM INFORMATION_SCHEMA.ENGINES
WHERE engine = 'innodb'
AND support IN ('YES', 'DEFAULT', 'ENABLED');
--source include/shutdown_mysqld.inc
let SEARCH_PATTERN=InnoDB: Upgrade after a crash is not supported. This redo log was created before MariaDB 10\\.2\\.2, and it appears corrupted;
--source include/search_pattern_in_file.inc

--echo # Empty multi-file redo log (wrong offset) from before MariaDB 10.2.2
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile1";
binmode OUT;
die unless seek(OUT, 0xFF800, 0);
print OUT pack("NnnNx[496]N", 0x80000944, 12, 12, 0, 0xb2a);
print OUT chr(0) x 1536;
close OUT or die;
EOF

--let $restart_parameters= $dirs --innodb-force-recovery=5 --innodb-log-file-size=4m
--source include/start_mysqld.inc
SELECT COUNT(*) FROM INFORMATION_SCHEMA.ENGINES
WHERE engine = 'innodb'
AND support IN ('YES', 'DEFAULT', 'ENABLED');
--source include/shutdown_mysqld.inc
--let SEARCH_PATTERN= Upgrade after a crash is not supported. This redo log was created before MariaDB 10\\.2\\.2, and we did not find a valid checkpoint\\.
--source include/search_pattern_in_file.inc

--echo # Multi-file redo log with size mismatch from after MariaDB 10.2.2
perl;
do "$ENV{MTR_SUITE_DIR}/../innodb/include/crc32.pl";
my $polynomial = 0x82f63b78; # CRC-32C

die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
$_= pack("Nx[5]nx[5]", 1, 0x1286) . "BogoDB 1.2.3.4" . chr(0) x 478;
print OUT $_, pack("N", mycrc32($_, 0, $polynomial));
# checkpoint page 1 and all-zero checkpoint 2
$_= pack("x[13]nCNNx[484]", 0x1286, 12, 0, 0x20080c);
print OUT $_, pack("N", mycrc32($_, 0, $polynomial));
print OUT chr(0) x 1024;
close OUT or die;
die unless open OUT, ">", "$ENV{bugdir}/ib_logfile1";
binmode OUT;
die unless seek(OUT, 0xFF800, 0);
print OUT chr(0) x 2048;
close OUT or die;
EOF

--echo # Corrupted multi-file redo log from after MariaDB 10.2.2
--let $restart_parameters= $dirs --innodb-force-recovery=5 --innodb-log-file-size=4m
--source include/start_mysqld.inc
SELECT COUNT(*) FROM INFORMATION_SCHEMA.ENGINES
WHERE engine = 'innodb'
AND support IN ('YES', 'DEFAULT', 'ENABLED');
--source include/shutdown_mysqld.inc
--source include/search_pattern_in_file.inc
--let SEARCH_PATTERN=InnoDB: No valid checkpoint was found; the log was created with BogoDB 1\\.2\\.3\\.4\\.
--source include/search_pattern_in_file.inc

perl;
die unless open OUT, ">", "$ENV{bugdir}/ib_logfile1";
binmode OUT;
die unless seek(OUT, 0x1FFFFF, 0);
print OUT chr(0);
close OUT or die;
EOF

--let $restart_parameters= $dirs --innodb-force-recovery=5 --innodb-log-file-size=4m
--source include/start_mysqld.inc
SELECT COUNT(*) FROM INFORMATION_SCHEMA.ENGINES
WHERE engine = 'innodb'
AND support IN ('YES', 'DEFAULT', 'ENABLED');
--source include/shutdown_mysqld.inc
--let SEARCH_PATTERN=InnoDB: Log file .*ib_logfile1 is of different size 2097152 bytes than other log files 1048576 bytes!
--source include/search_pattern_in_file.inc
--let SEARCH_PATTERN=InnoDB: No valid checkpoint was found; the log was created with BogoDB 1\\.2\\.3\\.4\\.
--source include/search_pattern_in_file.inc

--echo # Empty multi-file redo log from after MariaDB 10.2.2
perl;
do "$ENV{MTR_SUITE_DIR}/../innodb/include/crc32.pl";
my $polynomial = 0x82f63b78; # CRC-32C

die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile1";
binmode OUT;
die unless seek(OUT, 0x800, 0); # the first 2048 bytes are unused!
$_= pack("Nnnx[500]", 0x80000944, 12, 12);
print OUT $_, pack("N", mycrc32($_, 0, $polynomial));
close OUT or die;
EOF

--let $restart_parameters= $dirs --innodb-force-recovery=5 --innodb-log-file-size=4m
--source include/start_mysqld.inc
SELECT COUNT(*) FROM INFORMATION_SCHEMA.ENGINES
WHERE engine = 'innodb'
AND support IN ('YES', 'DEFAULT', 'ENABLED');
--source include/shutdown_mysqld.inc
--source include/search_pattern_in_file.inc
--let $restart_parameters= $dirs

--remove_file $bugdir/ib_logfile0
--move_file $bugdir/ib_logfile $bugdir/ib_logfile0

--echo # redo log from "after" MariaDB 10.2.2, but with invalid header checksum
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
print OUT pack("N",2);
close OUT or die;
EOF
--source include/start_mysqld.inc
eval $check_no_innodb;
--source include/shutdown_mysqld.inc
--let SEARCH_PATTERN=InnoDB: Log file .*ib_logfile1 is of different size 2097152 bytes than other log files 4194304 bytes!
--source include/search_pattern_in_file.inc
let SEARCH_PATTERN=InnoDB: Invalid log header checksum;
--source include/search_pattern_in_file.inc

--echo # distant future redo log format, with valid header checksum
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
print OUT pack("Nx[5]nx[5]", ~0, 0x1286);
print OUT "malicious intentions, or perhaps not";
print OUT pack("x[456]N", 0x8a1bb475);
close OUT or die;
EOF
--source include/start_mysqld.inc
eval $check_no_innodb;
--source include/shutdown_mysqld.inc
let SEARCH_PATTERN=InnoDB: Unsupported redo log format. The redo log was created with malicious intentions, or perhaps\.;
--source include/search_pattern_in_file.inc

--echo # valid header, but old-format checkpoint blocks
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
# header block
print OUT pack("Nx[5]nx[5]", 1, 0x1286);
print OUT "malicious intentions, or perhaps not";
print OUT pack("x[456]N", 0xd42d53a2);
# old-format checkpoint block 1
print OUT pack("x[13]nCNnxxNNx[256]", 0x1286, 12, 0x80c, 0xf0, ~0, ~0);
print OUT pack("H*x[1240]", "590DBAACFE922582");
print OUT pack("H*x[5]", "800009440022000c0000000138");
print OUT pack("H*x[475]H*", "12860cb7809781e80006626f677573", "089C0ADA");
close OUT or die;
EOF
--source include/start_mysqld.inc
eval $check_no_innodb;
--source include/shutdown_mysqld.inc
--let SEARCH_PATTERN=InnoDB: No valid checkpoint was found; the log was created with malicious intentions, or perhaps\\.
--source include/search_pattern_in_file.inc

--echo # valid header, valid checkpoint 1, all-zero (invalid) checkpoint 2, invalid block checksum
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
die unless seek(OUT, 0x210, 0);
print OUT pack("NNx[264]", 0, 0x80c);
print OUT pack("NNx[212]N", 0x590dbaac, 0xfe922582, 0xc72d49c4);
close OUT or die;
die unless open OUT, ">", "$ENV{bugdir}/ib_logfile1";
print OUT pack("x[4194304]");
close OUT or die;
EOF
# Anything below innodb_force_recovery=6 must find a valid redo log.
# Missing tablespace files are tolerated already with innodb_force_recovery=1.
--let $restart_parameters= $dirs --innodb-force-recovery=5
--source include/start_mysqld.inc
eval $check_no_innodb;
--source include/shutdown_mysqld.inc
let SEARCH_PATTERN=InnoDB: Invalid log header checksum;
--source include/search_pattern_in_file.inc
let SEARCH_PATTERN=InnoDB: Upgrade after a crash is not supported\. The redo log was created with malicious intentions, or perhaps, and it appears corrupted\.;
--source include/search_pattern_in_file.inc

--echo # same, but with current-version header
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
print OUT pack("Nx[5]nx[5]", 103, 0x1286), "MariaDB 10.3.1";
print OUT pack("x[478]N", 0x85021a0f);
close OUT or die;
EOF
--source include/start_mysqld.inc
eval $check_no_innodb;
--source include/shutdown_mysqld.inc

let SEARCH_PATTERN=InnoDB: Invalid log header checksum;
--source include/search_pattern_in_file.inc
--echo # --innodb-force-recovery=6 (skip the entire redo log)
--let $restart_parameters= $dirs --innodb-force-recovery=6
--source include/start_mysqld.inc
eval $check_no_innodb;
--source include/shutdown_mysqld.inc
--let SEARCH_PATTERN=\\[Note\\] InnoDB: log sequence number 0.*; transaction id 0
--source include/search_pattern_in_file.inc

--echo # valid header, valid checkpoint 1, all-zero (invalid) checkpoint 2, invalid block number
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
# header block
print OUT pack("Nx[5]nx[5]", 103, 0x1286), "MariaDB 10.3.1";
print OUT pack("x[478]N", 0x85021a0f);
# checkpoint page 1 and all-zero checkpoint 2
print OUT pack("x[13]nCNNx[264]", 0x1286, 12, 0, 0x80c);
print OUT pack("H*x[212]Nx[1024]", "590DBAACFE922582", 0xc72d49c4);
# redo log data
print OUT pack("H*x[5]", "C0DEBA5E0022000c0000000138");
print OUT pack("H*x[475]H*", "12860cb7809781e80006626f677573", "089C0ADA");
close OUT or die;
EOF
--copy_file $bugdir/ib_logfile0 $bugdir/ib_logfile
# Anything below innodb_force_recovery=6 must find an invalid redo log.
# Missing tablespace files are tolerated already with innodb_force_recovery=1.
--let $restart_parameters= $dirs --innodb-force-recovery=5
--source include/start_mysqld.inc
eval $check_no_innodb;
--source include/shutdown_mysqld.inc
--echo # --innodb-force-recovery=6 (skip the entire redo log)
--let $restart_parameters= $dirs --innodb-force-recovery=6
--source include/start_mysqld.inc
eval $check_no_innodb;
--source include/shutdown_mysqld.inc

--echo # Test a corrupted MLOG_FILE_NAME record.
--echo # valid header, valid checkpoint 1, all-zero (invalid) checkpoint 2
--remove_file $bugdir/ib_logfile0
--move_file $bugdir/ib_logfile $bugdir/ib_logfile0
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
die unless seek(OUT, 0x800, 0);
print OUT pack("N", 0x80000944);
die unless seek(OUT, 0x9fc, 0);
print OUT pack("N", 0xc86474db);
close OUT or die;
EOF
--let $restart_parameters= $dirs
--source include/start_mysqld.inc
eval $check_no_innodb;
--source include/shutdown_mysqld.inc
let SEARCH_PATTERN=\\[ERROR\\] InnoDB: Upgrade after a crash is not supported\. The redo log was created with MariaDB 10\.3\.1\.;
--source include/search_pattern_in_file.inc

--echo # Test a corrupted MLOG_FILE_NAME record.
--echo # valid header, invalid checkpoint 1, valid checkpoint 2, invalid block
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
# header block
print OUT pack("Nx[5]nx[5]", 103, 0x1286), "MariaDB 10.3.1";
print OUT pack("x[478]N", 0x85021a0f);
# invalid (all-zero) checkpoint page 1 and an empty log page
print OUT chr(0) x 1024;
# valid checkpoint block 2
print OUT pack("x[13]nCNNx[264]", 0x1286, 12, 0, 0x80c);
print OUT pack("H*x[212]N", "590DBAACFE922582", 0xc72d49c4);
# log page
print OUT pack("H*", "800009440022000c00000001");
# MLOG_CHECKPOINT record
print OUT pack("H*", "38000000000012860c");
# MLOG_FILE_NAME record
print OUT pack("H*", "b7809781e80006"), "bigot";
# padding and wrong log block checksum
print OUT pack("x[475]N", 150151);
close OUT or die;
EOF
--source include/start_mysqld.inc
eval $check_no_innodb;
--source include/shutdown_mysqld.inc
let SEARCH_PATTERN=InnoDB: Invalid log header checksum
--source include/search_pattern_in_file.inc
let SEARCH_PATTERN=\\[ERROR\\] InnoDB: Upgrade after a crash is not supported\. The redo log was created with MariaDB 10\.3\.1, and it appears corrupted\.;
--source include/search_pattern_in_file.inc
--echo # valid header, invalid checkpoint 1, valid checkpoint 2, invalid log record
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
die unless seek(OUT, 0x9fc, 0);
print OUT pack("N", 2454333373);
close OUT or die;
EOF

--source include/start_mysqld.inc
eval $check_no_innodb;
--source include/shutdown_mysqld.inc
let SEARCH_PATTERN=\\[ERROR\\] InnoDB: Upgrade after a crash is not supported\. The redo log was created with MariaDB 10\.3\.1\.;
--source include/search_pattern_in_file.inc

--echo # 10.2 missing MLOG_FILE_NAME or MLOG_FILE_DELETE before MLOG_CHECKPOINT
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
# header block
print OUT pack("Nx[5]nx[5]", 1, 0x1286);
print OUT "ibbackup was here!!!1!";
print OUT pack("x[470]N", 0x52b54540);
# invalid (all-zero) checkpoint page 1 and an empty log page
print OUT chr(0) x 1024;
# valid checkpoint block 2
print OUT pack("x[12]NNNx[264]", 0x12860c, 0, 0x80c);
# pointer to the MLOG_CHECKPOINT record, and checkpoint page checksum
print OUT pack("H*x[204]NNN", "590DBAACFE922582", 0x128612, 0, 0x101741b);
# log page
print OUT pack("H*", "800009440022000c00000001");
# MLOG_1BYTE record for missing tablespace 42 page 123
print OUT pack("CCCnC", 128 | 1, 42, 123, 4567, 89);
# MLOG_CHECKPOINT record
print OUT pack("CNN", 56, 0, 0x12860c);
# padding (MLOG_DUMMY_RECORD) and block checksum
print OUT " " x 481, pack("N", 0x644e6db8);
close OUT or die;
EOF

--source include/start_mysqld.inc
eval $check_no_innodb;
--source include/shutdown_mysqld.inc
let SEARCH_PATTERN=\\[ERROR\\] InnoDB: Upgrade after a crash is not supported\. The redo log was created with ibbackup was here!!!1!\.;
--source include/search_pattern_in_file.inc

--echo # 10.3 missing MLOG_FILE_NAME or MLOG_FILE_DELETE before MLOG_CHECKPOINT
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
print OUT pack("Nx[5]nx[5]", 103, 0x1286), "MariaDB 10.3.1";
print OUT pack("x[478]N", 0x85021a0f);
close OUT or die;
EOF

--source include/start_mysqld.inc
eval $check_no_innodb;
--source include/shutdown_mysqld.inc
let SEARCH_PATTERN=\\[ERROR\\] InnoDB: Upgrade after a crash is not supported\. The redo log was created with MariaDB 10\.3\.1\.;
--source include/search_pattern_in_file.inc

--echo # Empty 10.3 redo log
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
die unless seek(OUT, 0x800, 0);
print OUT pack("NnnNx[496]N", 0x80000944, 12, 12, 1, 0x46c8a2a2);
close OUT or die;
EOF

--let $restart_parameters= $dirs --innodb-force-recovery=5 --innodb-log-file-size=4m
--source include/start_mysqld.inc
SELECT COUNT(*) FROM INFORMATION_SCHEMA.ENGINES
WHERE engine = 'innodb'
AND support IN ('YES', 'DEFAULT', 'ENABLED');
--source include/shutdown_mysqld.inc
--let SEARCH_PATTERN= InnoDB: log sequence number 1213964\\b.*; transaction id 0
--source include/search_pattern_in_file.inc

--echo # Empty 10.2 redo log
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
# header block
print OUT pack("Nx[5]nx[5]", 1, 0x1286);
print OUT "ibbackup was here!!!1!";
print OUT pack("x[470]N", 0x52b54540);
# In encryption.innodb_log_corruption the previous step would
# replace the block with an encrypted one and update the checkpoint.
# Restore them.
# invalid (all-zero) checkpoint page 1 and an empty log page
print OUT chr(0) x 1024;
# valid checkpoint block 2
print OUT pack("x[12]NNNx[264]", 0x12860c, 0, 0x80c);
# pointer to the MLOG_CHECKPOINT record, and checkpoint page checksum
print OUT pack("H*x[204]NNN", "590DBAACFE922582", 0x128612, 0, 0x101741b);
# log page
print OUT pack("NnnNx[496]N", 0x80000944, 12, 12, 1, 0x46c8a2a2);
close OUT or die;
EOF

--source include/start_mysqld.inc
SELECT COUNT(*) FROM INFORMATION_SCHEMA.ENGINES
WHERE engine = 'innodb'
AND support IN ('YES', 'DEFAULT', 'ENABLED');
--source include/shutdown_mysqld.inc
--let SEARCH_PATTERN= InnoDB: Upgrading redo log:
--source include/search_pattern_in_file.inc

--echo # Empty 10.5 redo log
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
# header block
print OUT pack("Nx[5]nx[5]", 0x50485953, 0x1286);
print OUT "ibbackup was here!!!1!";
print OUT pack("x[470]N", 0x677700cf);
# invalid (all-zero) checkpoint page 1 and an empty log page
print OUT chr(0) x 1024;
# valid checkpoint block 2
print OUT pack("x[12]NNNx[264]", 0x12860c, 0, 0x120c);
# pointer to the FILE_CHECKPOINT record, and checkpoint page checksum
print OUT pack("H*x[204]NNN", "590DBAACFE922582", 0x128612, 0, 0x3b4ce62d);
# log page
print OUT pack("x[2560]NnnNx[496]N", 0x80000944, 12, 12, 1, 0x46c8a2a2);
close OUT or die;
EOF

--source include/start_mysqld.inc
SELECT COUNT(*) FROM INFORMATION_SCHEMA.ENGINES
WHERE engine = 'innodb'
AND support IN ('YES', 'DEFAULT', 'ENABLED');
--source include/shutdown_mysqld.inc
--let SEARCH_PATTERN= InnoDB: Upgrading redo log:
--source include/search_pattern_in_file.inc

--echo # Minimal MariaDB 10.1.21 encrypted redo log
perl;
die unless open OUT, "+<", "$ENV{bugdir}/ib_logfile0";
binmode OUT;
# header and empty checkpoint page 1 (not encrypted)
print OUT pack("x[9]nx[5]A[4]x[46]Cx[1469]", 0x186e, "", 2);
# checkpoint page 2 (not encrypted)
print OUT pack("NNNNNNNN", 0, 1, 0, 0x186e16, 0x816, 0x1000000, ~0, ~0);
print OUT pack("x[6]Cx[249]", 0x20);
print OUT pack("H*x[12]nNNn", "FDE012DE6D3BD6AC", 0x201, 1, 1, 0xEFC);
print OUT pack("H*x[162]",
               "75774015174BE4723904C88E110E3B50FF5C634167DB058D02A415D2A4A3");
# log block (encrypted)
print OUT pack("H*", "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");
close OUT or die;
EOF

--let $restart_parameters= $dirs --innodb-force-recovery=5
--source include/start_mysqld.inc
if (!$no_cleanup) {
eval $check_no_innodb;
--source include/shutdown_mysqld.inc
--let SEARCH_PATTERN= InnoDB: Obtaining redo log encryption key version 1 failed
--source include/search_pattern_in_file.inc
--let SEARCH_PATTERN= InnoDB: Decrypting checkpoint failed
--source include/search_pattern_in_file.inc

--list_files $bugdir
--remove_files_wildcard $bugdir
--rmdir $bugdir
--let $restart_parameters=
--source include/start_mysqld.inc
}