[Draft] Server crashed on KILL QUERY

/home/elenst/git/10.1/sql/mysqld(my_print_stacktrace+0x38)[0x7f1f694baa4a]

sql/signal_handler.cc:155(handle_fatal_signal)[0x7f1f68e76ed8]

/lib/x86_64-linux-gnu/libpthread.so.0(+0xfcb0)[0x7f1f670b7cb0]

/lib/x86_64-linux-gnu/libc.so.6(_IO_vfprintf+0x29f1)[0x7f1f667343b1]

/lib/x86_64-linux-gnu/libc.so.6(+0x4e1a4)[0x7f1f667371a4]

/lib/x86_64-linux-gnu/libc.so.6(_IO_vfprintf+0x21e)[0x7f1f66731bde]

/lib/x86_64-linux-gnu/libc.so.6(_IO_fprintf+0x87)[0x7f1f6673c837]

/home/elenst/git/10.1/sql/mysqld(safe_mutex_lock+0x1d3)[0x7f1f694bf8a0]

psi/mysql_thread.h:719(inline_mysql_mutex_trylock)[0x7f1f68c08462]

sql/sql_class.cc:1919(THD::awake(killed_state))[0x7f1f68c0d353]

sql/sql_parse.cc:7998(kill_one_thread(THD*, long long, killed_state, killed_type))[0x7f1f68c5c2d8]

sql/sql_parse.cc:8102(sql_kill(THD*, long long, killed_state, killed_type))[0x7f1f68c5c737]

sql/sql_parse.cc:4777(mysql_execute_command(THD*))[0x7f1f68c53b3d]

sql/sql_parse.cc:7165(mysql_parse(THD*, char*, unsigned int, Parser_state*))[0x7f1f68c5a89b]

sql/sql_parse.cc:1464(dispatch_command(enum_server_command, THD*, char*, unsigned int))[0x7f1f68c49b4c]

sql/sql_parse.cc:1090(do_command(THD*))[0x7f1f68c48927]

sql/sql_connect.cc:1347(do_handle_one_connection(THD*))[0x7f1f68d78e21]

sql/sql_connect.cc:1259(handle_one_connection)[0x7f1f68d78b79]

/lib/x86_64-linux-gnu/libpthread.so.0(+0x7e9a)[0x7f1f670afe9a]

/lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f1f667dccbd]

Trying to get some variables.

Some pointers may be invalid and cause the dump to abort.

Query (0x7f1f3dda8088): KILL QUERY 14

Connection ID (thread ID): 107

Status: NOT_KILLED

perl /home/elenst/bzr/randgen-mariadb-patches/runall-new.pl --no-mask --seed=1429932967 --threads=16 --duration=400 --queries=100M --reporters=QueryTimeout,Backtrace,ErrorLog,Deadlock --redefine=conf/mariadb/general-workarounds.yy --redefine=conf/mariadb/10.0-features-redefine.yy --mysqld=--log_output=FILE --mysqld=--slow_query_log --mysqld=--log_bin_trust_function_creators=1 --mysqld=--query_cache_size=64M --grammar=conf/engines/engine_stress.yy --gendata=conf/engines/engine_stress.zz --engine=InnoDB --rpl_mode=statement --mysqld=--slave-skip-errors=1054,1317,1049,1305,1539,1505 --mysqld=--slave-parallel-mode=conservative --mysqld=--binlog_commit_wait_count=10 --mysqld=--binlog_commit_wait_usec=1000000 --mysqld=--slave-parallel-threads=8 --use-gtid=no --mtr-build-thread=73 --basedir1=/home/elenst/git/10.1 --vardir1=/home/elenst/test_results/10.1-parallel-replication-8/current1_1