*** Error in `/usr/bin/maxscale': double free or corruption (!prev): 0x00007f509c3989e0 ***
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======= Backtrace: =========
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/lib64/libc.so.6(+0x81299)[0x7f50c563d299]
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/usr/lib64/maxscale/libqc_sqlite.so(+0x13fc7)[0x7f50bfcd4fc7]
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7ffcd2522000-7ffcd2543000 rw-p 00000000 00:00 0 [stack]
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7ffcd25aa000-7ffcd25ac000 r-xp 00000000 00:00 0 [vdso]
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ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]
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2020-07-01 16:09:43 alert : (773223) Fatal: MaxScale 2.4.6 received fatal signal 6. Commit ID: 714dece7ddb025d2ed2cca945a607a02b80bc7a2 System name: Linux Release string: Red Hat Enterprise Linux Server release 7.8 (Maipo)
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2020-07-01 16:09:44 alert : (773223)
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/lib64/libc.so.6(gsignal+0x37): :?
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/lib64/libc.so.6(abort+0x148): :?
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/lib64/libc.so.6(+0x78ed7): :?
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/lib64/libc.so.6(+0x81299): malloc.c:?
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/usr/lib64/maxscale/libqc_sqlite.so(+0x13fc7): query_classifier/qc_sqlite/qc_sqlite.cc:2088
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/usr/lib64/maxscale/libqc_sqlite.so(+0xe9ac): query_classifier/qc_sqlite/qc_sqlite.cc:3793
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_Z16qc_get_type_maskP5GWBUF+0x4b): /opt/rh/devtoolset-7/root/usr/include/c++/7/bits/basic_string.h:3295
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN8maxscale15QueryClassifier17update_route_infoENS0_16current_target_tEP5GWBUF+0x21e): server/core/queryclassifier.cc:1039
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/usr/lib64/maxscale/libreadwritesplit.so(_ZN14RWSplitSession10routeQueryEP5GWBUF+0x24f): server/modules/routing/readwritesplit/rwsplitsession.cc:146
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/usr/lib64/maxscale/libreadwritesplit.so(_ZN8maxscale6RouterI7RWSplit14RWSplitSessionE10routeQueryEP10mxs_routerP18mxs_router_sessionP5GWBUF+0x21): include/maxscale/router.hh:452
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_Z19session_route_queryP11MXS_SESSIONP5GWBUF+0x18): server/core/session.cc:900
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/usr/lib64/maxscale/libmariadbclient.so(+0x6ad2): server/modules/protocol/MySQL/mariadbclient/mysql_client.cc:1993
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x9f7ff): server/core/dcb.cc:2709
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x9f881): server/core/dcb.cc:2801
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker15poll_waiteventsEv+0x1a6): maxutils/maxbase/src/worker.cc:858
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker3runEPNS_9SemaphoreE+0x53): maxutils/maxbase/src/worker.cc:559
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/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x1b673f): thread48.o:?
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/lib64/libpthread.so.0(+0x7ea5): pthread_create.c:?
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/lib64/libc.so.6(clone+0x6d): ??:?
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