[#MDEV-21521] UBSan crashes in MYSQL_BIN

Thread 1 (Thread 0x7f585614f380 (LWP 14002)):

#0  __pthread_kill (threadid=<optimized out>, signo=11) at ../sysdeps/unix/sysv/linux/pthread_kill.c:57

#1  0x0000559f4b17eb78 in my_write_core (sig=11) at /home/psergey/dev-git2/10.5/mysys/stacktrace.c:518

#2  0x0000559f49ae241c in handle_fatal_signal (sig=11) at /home/psergey/dev-git2/10.5/sql/signal_handler.cc:343

#3  <signal handler called>

#4  0x00007f5852e82153 in ?? () from /usr/lib/x86_64-linux-gnu/libubsan.so.0

#5  0x00007f5852e80df6 in ?? () from /usr/lib/x86_64-linux-gnu/libubsan.so.0

#6  0x00007f5852e815a1 in __ubsan_handle_dynamic_type_cache_miss () from /usr/lib/x86_64-linux-gnu/libubsan.so.0

#7  0x0000559f4a08bfdf in MYSQL_BIN_LOG::open (this=0x559f4f6a75e0 <mysql_bin_log>, log_name=0x559f50722bf8 "master-bin", new_name=0x0, next_log_number=0, io_cache_type_arg=WRITE_CACHE, max_size_arg=1073741824, null_created_arg=false, need_mutex=true) at /home/psergey/dev-git2/10.5/sql/log.cc:3681

#8  0x0000559f48a81cc8 in init_server_components () at /home/psergey/dev-git2/10.5/sql/mysqld.cc:5198

#9  0x0000559f48a82d3c in mysqld_main (argc=156, argv=0x559f50608c20) at /home/psergey/dev-git2/10.5/sql/mysqld.cc:5552

#10 0x0000559f48a6fcaa in main (argc=25, argv=0x7ffe494fbc88) at /home/psergey/dev-git2/10.5/sql/main.cc:25

main.mysqlbinlog_row_compressed

main.session_tracker_last_gtid 'innodb'  w4 [ fail ]

main.mysqlbinlog-innodb 'innodb'         w1 [ fail ]

main.tc_heuristic_recover 'innodb'       w4 [ fail ]

        if (!(new_xid_list_entry = (xid_count_per_binlog *)

              my_multi_malloc(MYF(MY_WME),

                              &entry_mem, sizeof(xid_count_per_binlog),

                              &name_mem, len,

                              NULL)))

          goto err;

        memcpy(name_mem, log_file_name+off, len);

        new_xid_list_entry->binlog_name= name_mem;

  struct xid_count_per_binlog : public ilink {

    char *binlog_name;

    uint binlog_name_len;

    ulong binlog_id;

    /* Total prepared XIDs and pending checkpoint requests in this binlog. */

    long xid_count;

    long notify_count;

    /* For linking in requests to the binlog background thread. */

    xid_count_per_binlog *next_in_queue;

    xid_count_per_binlog();   /* Give link error if constructor used. */

};

  virtual ~ilink() { unlink(); }		/*lint -e1740 */

[MDEV-21521] UBSan crashes in MYSQL_BIN_LOG::open Created: 2020-01-17 Updated: 2021-10-13 Resolved: 2020-01-29
Status:	Closed
Project:	MariaDB Server
Component/s:	Replication
Affects Version/s:	10.1, 10.2, 10.3, 10.4, 10.5
Fix Version/s:	10.1.45, 10.2.32, 10.3.23, 10.4.13

[MDEV-21521] UBSan crashes in MYSQL_BIN_LOG::open Created: 2020-01-17 Updated: 2021-10-13 Resolved: 2020-01-29