unexpected error from pymonetdb
Server closed connection
query started on line 162 of file sqlancer17.test
query text:
SELECT json."text"(JSON '""', '344567')


Aborted
           PID: 2010099 (mserver5)
           UID: 9375 (monet)
           GID: 60020 (da)
        Signal: 6 (ABRT)
     Timestamp: Mon 2021-09-13 20:20:12 CEST (10s ago)
  Command Line: mserver5 --debug=0 --set gdk_nr_threads 1 --set mapi_listenaddr all --set mapi_port 0 --set mapi_usock /tmp/mtest-1999431/.s.monetdb.${PORT} --forcemito --dbpath=/export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/tests/sql/dbfarm/mTests_sql_test_SQLancer --set gdk_vm_maxsize 8589934592
    Executable: /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/bin/mserver5
 Control Group: /user.slice/user-9375.slice/session-12215.scope
          Unit: session-12215.scope
         Slice: user-9375.slice
       Session: 12215
     Owner UID: 9375 (monet)
       Boot ID: 7fbbde2855404c9daba5d2115d6371b9
    Machine ID: 0d753a0a0a7c42c0991b02bbc9ec0291
      Hostname: lab05.da.cwi.nl
       Storage: /var/lib/systemd/coredump/core.mserver5.9375.7fbbde2855404c9daba5d2115d6371b9.2010099.1631557212000000.lz4
       Message: Process 2010099 (mserver5) of user 9375 dumped core.

[New LWP 2010730]
[New LWP 2010100]
[New LWP 2010101]
[New LWP 2010113]
[New LWP 2010099]
[New LWP 2010102]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `mserver5 --debug=0 --set gdk_nr_threads 1 --set mapi_listenaddr all --set mapi_'.
Program terminated with signal SIGABRT, Aborted.
#0  0x00007fc49d46d9e5 in raise () from /lib64/libc.so.6
[Current thread is 1 (Thread 0x7fc44fa5c640 (LWP 2010730))]

Thread 6 (Thread 0x7fc44fc5d640 (LWP 2010102)):
#0  0x00007fc49d5263ff in poll () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007fc49e01ebc2 in SERVERlistenThread () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libmonetdb5.so.31
No symbol table info available.
#2  0x00007fc49d8d7cc9 in thread_starter () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libbat.so.23
No symbol table info available.
#3  0x00007fc49d6043f9 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#4  0x00007fc49d5314c3 in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 5 (Thread 0x7fc49c7c38c0 (LWP 2010099)):
#0  0x00007fc49d4f8451 in clock_nanosleep@GLIBC_2.2.5 () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007fc49d4fd997 in nanosleep () from /lib64/libc.so.6
No symbol table info available.
#2  0x00007fc49d8da73f in MT_sleep_ms () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libbat.so.23
No symbol table info available.
#3  0x00000000004037f4 in main ()
No symbol table info available.

Thread 4 (Thread 0x7fc44f85b640 (LWP 2010113)):
#0  0x00007fc49d4f8451 in clock_nanosleep@GLIBC_2.2.5 () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007fc49d4fd997 in nanosleep () from /lib64/libc.so.6
No symbol table info available.
#2  0x00007fc49d8da73f in MT_sleep_ms () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libbat.so.23
No symbol table info available.
#3  0x00007fc49bf44ab8 in store_manager () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libmonetdbsql.so.11
No symbol table info available.
#4  0x00007fc49d8963d9 in THRstarter () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libbat.so.23
No symbol table info available.
#5  0x00007fc49d8d7cc9 in thread_starter () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libbat.so.23
No symbol table info available.
#6  0x00007fc49d6043f9 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#7  0x00007fc49d5314c3 in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 3 (Thread 0x7fc49c3cb640 (LWP 2010101)):
#0  0x00007fc49d4f8451 in clock_nanosleep@GLIBC_2.2.5 () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007fc49d4fd997 in nanosleep () from /lib64/libc.so.6
No symbol table info available.
#2  0x00007fc49d8da73f in MT_sleep_ms () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libbat.so.23
No symbol table info available.
#3  0x00007fc49df7e9b3 in profilerHeartbeat () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libmonetdb5.so.31
No symbol table info available.
#4  0x00007fc49d8d7cc9 in thread_starter () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libbat.so.23
No symbol table info available.
#5  0x00007fc49d6043f9 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#6  0x00007fc49d5314c3 in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 2 (Thread 0x7fc49c5cc640 (LWP 2010100)):
#0  0x00007fc49d4f8451 in clock_nanosleep@GLIBC_2.2.5 () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007fc49d4fd997 in nanosleep () from /lib64/libc.so.6
No symbol table info available.
#2  0x00007fc49d8da73f in MT_sleep_ms () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libbat.so.23
No symbol table info available.
#3  0x00007fc49d88b97a in BBPmanager () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libbat.so.23
No symbol table info available.
#4  0x00007fc49d8963d9 in THRstarter () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libbat.so.23
No symbol table info available.
#5  0x00007fc49d8d7cc9 in thread_starter () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libbat.so.23
No symbol table info available.
#6  0x00007fc49d6043f9 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#7  0x00007fc49d5314c3 in clone () from /lib64/libc.so.6
No symbol table info available.

Thread 1 (Thread 0x7fc44fa5c640 (LWP 2010730)):
#0  0x00007fc49d46d9e5 in raise () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007fc49d4568a4 in abort () from /lib64/libc.so.6
No symbol table info available.
#2  0x00007fc49d456789 in __assert_fail_base.cold () from /lib64/libc.so.6
No symbol table info available.
#3  0x00007fc49d466026 in __assert_fail () from /lib64/libc.so.6
No symbol table info available.
#4  0x00007fc49d893f4e in GDKfree () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libbat.so.23
No symbol table info available.
#5  0x00007fc49df6ae45 in garbageElement () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libmonetdb5.so.31
No symbol table info available.
#6  0x00007fc49df6af42 in garbageCollector () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libmonetdb5.so.31
No symbol table info available.
#7  0x00007fc49df6db0b in runMAL () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libmonetdb5.so.31
No symbol table info available.
#8  0x00007fc49be860c0 in SQLrun () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libmonetdbsql.so.11
No symbol table info available.
#9  0x00007fc49be87263 in SQLengineIntern () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libmonetdbsql.so.11
No symbol table info available.
#10 0x00007fc49df8361e in runScenario () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libmonetdb5.so.31
No symbol table info available.
#11 0x00007fc49df83cb2 in MSserveClient () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libmonetdb5.so.31
No symbol table info available.
#12 0x00007fc49df843f3 in MSscheduleClient () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libmonetdb5.so.31
No symbol table info available.
#13 0x00007fc49e01e134 in doChallenge () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libmonetdb5.so.31
No symbol table info available.
#14 0x00007fc49d8963d9 in THRstarter () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libbat.so.23
No symbol table info available.
#15 0x00007fc49d8d7cc9 in thread_starter () from /export/scratch1/home/monet/testing/ab598b8591b1-4-1-4/install/lib64/libbat.so.23
No symbol table info available.
#16 0x00007fc49d6043f9 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#17 0x00007fc49d5314c3 in clone () from /lib64/libc.so.6
No symbol table info available.