mysqlbinlog crashes or fails with out of memory while reading some encrypted binlogs

# at 249

# Encryption scheme: 1, key_version: 1, nonce: 7179d38d2d33034f33ac6998

# The rest of the binlog is encrypted!

# at 285

#880514 17:47:03 server id 2601813764  end_log_pos 1816577002 	Ignorable

# Ignorable event type 75 (Unknown)

# at 310

/*!50521 SET skip_replication=1*//*!*/;

#871003  0:56:29 server id 1537441096  end_log_pos 3162602611 	Ignorable

# Ignorable event type 94 (Unknown)

# at 350

#750404 23:13:24 server id 3367812640  end_log_pos 3306705717 	Ignorable

# Ignorable event type 107 (Unknown)

ERROR: Error in Log_event::read_log_event(): 'Found invalid event in binary log', data_len: 172, event_type: 198

ERROR: Could not read entry at offset 388: Error in log format or read error.

bin/mysqlbinlog: Out of memory (Needed 4294967272 bytes)

ERROR: Error in Log_event::read_log_event(): 'Found invalid event in binary log', data_len: 25, event_type: 23

ERROR: Could not read entry at offset 285: Error in log format or read error.

#0  memset () at ../sysdeps/x86_64/memset.S:93

#1  0x00007fed4410d4d2 in sf_malloc (size=18446744073709551592, my_flags=16) at /data/src/10.1/mysys/safemalloc.c:165

#2  0x00007fed440fce9d in my_malloc (size=18446744073709551592, my_flags=16) at /data/src/10.1/mysys/my_malloc.c:100

#3  0x00007fed4409b6ad in Rows_log_event::Rows_log_event (this=0x7fed4472c070, buf=0x7fed4472bf50 "kA\003\232\027\371\355\305\334\031", event_len=25, description_event=0x7fed4472c580) at /data/src/10.1/sql/log_event.cc:9525

#4  0x00007fed4409ca60 in Write_rows_log_event::Write_rows_log_event (this=0x7fed4472c070, buf=0x7fed4472bf50 "kA\003\232\027\371\355\305\334\031", event_len=25, description_event=0x7fed4472c580) at /data/src/10.1/sql/log_event.cc:11295

#5  0x00007fed440903eb in Log_event::read_log_event (buf=0x7fed4472bf50 "kA\003\232\027\371\355\305\334\031", event_len=25, error=0x7ffd96c75a50, fdle=0x7fed4472c580, crc_check=0 '\000') at /data/src/10.1/sql/log_event.cc:1726

#6  0x00007fed4408faf3 in Log_event::read_log_event (file=0x7ffd96c75b10, log_lock=0x0, fdle=0x7fed4472c580, crc_check=0 '\000') at /data/src/10.1/sql/log_event.cc:1507

#7  0x00007fed440874bb in dump_local_log_entries (print_event_info=0x7ffd96c76cd0, logname=0x7ffd96c795cc "/data/tmp/binlog.bad") at /data/src/10.1/client/mysqlbinlog.cc:2597

#8  0x00007fed44085b47 in dump_log_entries (logname=0x7ffd96c795cc "/data/tmp/binlog.bad") at /data/src/10.1/client/mysqlbinlog.cc:1848

#9  0x00007fed44087ac5 in main (argc=0, argv=0x7fed44725cd0) at /data/src/10.1/client/mysqlbinlog.cc:2780

# ATTENTION:

# To be run with --mysqld=--encrypt-binlog --mysqld=--plugin-load-add=file_key_management --mysqld=--file-key-management-filename=`pwd`/std_data/keys.txt --repeat=100

#

--source include/have_binlog_format_mixed.inc

CREATE TABLE table1_to_encrypt (

  pk INT AUTO_INCREMENT PRIMARY KEY,

  ts TIMESTAMP NULL,

  b BLOB

) ENGINE=MyISAM; 

INSERT INTO table1_to_encrypt VALUES (NULL,NOW(),'data_to_encrypt');

INSERT INTO table1_to_encrypt SELECT NULL,NOW(),b FROM table1_to_encrypt;

FLUSH BINARY LOGS;

SET binlog_format=ROW;

INSERT INTO table1_to_encrypt SELECT NULL,NOW(),b FROM table1_to_encrypt;

INSERT INTO table1_to_encrypt SELECT NULL,NOW(),b FROM table1_to_encrypt;

--let $datadir= `SELECT @@datadir`

FLUSH BINARY LOGS;

--error 1

--exec $MYSQL_BINLOG $datadir/master-bin.000001