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  1. MariaDB Server
  2. MDEV-22847

Server crashes in handler::check_duplicate_long_entry_key upon executing row event

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      --source include/have_binlog_format_row.inc
      --source include/master-slave.inc
       
      CREATE TABLE t1 (a TEXT, UNIQUE(a));
      INSERT INTO t1 VALUES ('foo');
       
      --sync_slave_with_master
       
      # Cleanup
      --connection master
      DROP TABLE t1;
      --source include/rpl_end.inc
      

      10.5 01e8459d

      #3  <signal handler called>
      #4  __memmove_avx_unaligned_erms () at ../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:286
      #5  0x0000557e3975e788 in handler::check_duplicate_long_entry_key (this=0x7f81cc038d60, new_rec=0x7f81cc035808 "\374\003", key_no=0) at /data/src/10.5/sql/handler.cc:6645
      #6  0x0000557e3975efd1 in handler::check_duplicate_long_entries (this=0x7f81cc038d60, new_rec=0x7f81cc035808 "\374\003") at /data/src/10.5/sql/handler.cc:6726
      #7  0x0000557e3975fdc9 in handler::ha_write_row (this=0x7f81cc038d60, buf=0x7f81cc035808 "\374\003") at /data/src/10.5/sql/handler.cc:6996
      #8  0x0000557e398c2af2 in Rows_log_event::write_row (this=0x7f81cc033e98, rgi=0x7f81cc000a90, overwrite=false) at /data/src/10.5/sql/log_event_server.cc:7260
      #9  0x0000557e398c3747 in Write_rows_log_event::do_exec_row (this=0x7f81cc033e98, rgi=0x7f81cc000a90) at /data/src/10.5/sql/log_event_server.cc:7480
      #10 0x0000557e398bd3d5 in Rows_log_event::do_apply_event (this=0x7f81cc033e98, rgi=0x7f81cc000a90) at /data/src/10.5/sql/log_event_server.cc:5650
      #11 0x0000557e392f3feb in Log_event::apply_event (this=0x7f81cc033e98, rgi=0x7f81cc000a90) at /data/src/10.5/sql/log_event.h:1496
      #12 0x0000557e392e6a58 in apply_event_and_update_pos_apply (ev=0x7f81cc033e98, thd=0x7f81cc001598, rgi=0x7f81cc000a90, reason=0) at /data/src/10.5/sql/slave.cc:4003
      #13 0x0000557e392e703e in apply_event_and_update_pos (ev=0x7f81cc033e98, thd=0x7f81cc001598, rgi=0x7f81cc000a90) at /data/src/10.5/sql/slave.cc:4165
      #14 0x0000557e392e7990 in exec_relay_log_event (thd=0x7f81cc001598, rli=0x557e3c2f6218, serial_rgi=0x7f81cc000a90) at /data/src/10.5/sql/slave.cc:4482
      #15 0x0000557e392eb2fd in handle_slave_sql (arg=0x557e3c2f4550) at /data/src/10.5/sql/slave.cc:5659
      #16 0x0000557e39accb56 in pfs_spawn_thread (arg=0x7f81e01fafd8) at /data/src/10.5/storage/perfschema/pfs.cc:2201
      #17 0x00007f821cb614a4 in start_thread (arg=0x7f820ffff700) at pthread_create.c:456
      #18 0x00007f821ac95d0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97
      

      Reproducible with InnoDB and MyISAM, on release-, debug- and asan builds alike.
      Not reproducible on 10.4.

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              Assignee:
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              Reporter:
              elenst Elena Stepanova
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