Core was generated by `/test/mtest/GAL_MD170821-mariadb-10.2.41-linux-x86_64-dbg/bin/mysqld --defaults'.
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Program terminated with signal SIGSEGV, Segmentation fault.
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#0 0x0000000070000002 in ?? ()
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[Current thread is 1 (Thread 0x44e435f07700 (LWP 3515594))]
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(gdb) bt
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#0 0x0000000070000002 in ?? ()
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#1 0x00001caf40547766 in _raw_syscall () at /home/roc/rr/rr/src/preload/raw_syscall.S:120
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#2 0x00001caf4054304e in traced_raw_syscall (call=<optimized out>) at /home/roc/rr/rr/src/preload/syscallbuf.c:272
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#3 0x00001caf405464d1 in syscall_hook_internal (call=0x147763447fa0) at /home/roc/rr/rr/src/preload/syscallbuf.c:3295
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#4 syscall_hook (call=0x147763447fa0) at /home/roc/rr/rr/src/preload/syscallbuf.c:3329
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#5 0x00001caf40542e50 in _syscall_hook_trampoline () at /home/roc/rr/rr/src/preload/syscall_hook.S:313
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#6 0x00001caf40542eaf in __morestack () at /home/roc/rr/rr/src/preload/syscall_hook.S:458
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#7 0x00001caf40542f08 in _syscall_hook_trampoline_89_c2_f7_da () at /home/roc/rr/rr/src/preload/syscall_hook.S:504
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#8 0x000065550d2fbf0c in __pthread_kill (threadid=<optimized out>, signo=signo@entry=11) at ../sysdeps/unix/sysv/linux/pthread_kill.c:56
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#9 0x000055a6c32affe2 in my_write_core (sig=sig@entry=11) at /test/mtest/10.2_dbg/mysys/stacktrace.c:382
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#10 0x000055a6c2ba07b3 in handle_fatal_signal (sig=11) at /test/mtest/10.2_dbg/sql/signal_handler.cc:355
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#11 <signal handler called>
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#12 thd_increment_bytes_received (thd=0x0, length=length@entry=4) at /test/mtest/10.2_dbg/sql/sql_class.cc:4047
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#13 0x000055a6c28d4ed2 in my_real_read (net=0x60bc20000c28, complen=complen@entry=0x44e435f06cb8, header=header@entry=1 '\001') at /test/mtest/10.2_dbg/sql/net_serv.cc:982
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#14 0x000055a6c28d5c4a in my_net_read_packet_reallen (net=net@entry=0x60bc20000c28, read_from_server=read_from_server@entry=1 '\001', reallen=reallen@entry=0x44e435f06d08) at /test/mtest/10.2_dbg/sql/net_serv.cc:1175
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#15 0x000055a6c28d5e8d in my_net_read_packet (net=net@entry=0x60bc20000c28, read_from_server=read_from_server@entry=1 '\001') at /test/mtest/10.2_dbg/sql/net_serv.cc:1159
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#16 0x000055a6c29a3bb9 in do_command (thd=0x60bc20000940) at /test/mtest/10.2_dbg/sql/sql_parse.cc:1257
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#17 0x000055a6c2aaa1b1 in do_handle_one_connection (connect=connect@entry=0x55a6c55c7680) at /test/mtest/10.2_dbg/sql/sql_connect.cc:1336
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#18 0x000055a6c2aaa3dc in handle_one_connection (arg=0x55a6c55c7680) at /test/mtest/10.2_dbg/sql/sql_connect.cc:1241
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#19 0x000065550d2f3609 in start_thread (arg=<optimized out>) at pthread_create.c:477
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#20 0x0000723605245293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
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