Maxscale crash in RWSplitSession::retry_master_query()

2019-07-19 03:15:06 notice : Server changed state: db1[62.218.60.193:3306]: lost_master. [Master, Synced, Running] -> [Running]

2019-07-19 03:15:06 notice : Server changed state: db2[62.218.60.194:3306]: new_master. [Slave, Synced, Running] -> [Master, Synced, Running]

*** Error in `/usr/bin/maxscale': double free or corruption (out): 0x00007f962c3b40c0 ***

======= Backtrace: =========

/lib64/libc.so.6(+0x81609)[0x7f9654636609]

/usr/lib64/maxscale/libreadwritesplit.so(_ZN14RWSplitSession18retry_master_queryERSt10shared_ptrIN8maxscale9RWBackendEE+0x81)[0x7f964c1a1e81]

/usr/lib64/maxscale/libreadwritesplit.so(_ZN14RWSplitSession11handleErrorEP5gwbufP3dcb12error_actionPb+0x627)[0x7f964c1a55a7]

/usr/lib64/maxscale/libreadwritesplit.so(_ZN8maxscale6RouterI7RWSplit14RWSplitSessionE11handleErrorEP10mxs_routerP18mxs_router_sessionP5gwbufP3dcb12error_actionPb+0x2a)[0x7f964c19fb8a]

/usr/lib64/maxscale/libmariadbbackend.so(+0x23d5)[0x7f964bb753d5]

/usr/lib64/maxscale/libmariadbbackend.so(+0x24e1)[0x7f964bb754e1]

/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x7a826)[0x7f9656e05826]

/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase12MessageQueue18handle_poll_eventsEPNS_6WorkerEj+0x11f)[0x7f9656e6770f]

/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker15poll_waiteventsEv+0x1b5)[0x7f9656e65215]

/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker3runEPNS_9SemaphoreE+0x51)[0x7f9656e65411]

/lib64/libstdc++.so.6(+0xb5070)[0x7f965570e070]

/lib64/libpthread.so.0(+0x7dd5)[0x7f96566d3dd5]

/lib64/libc.so.6(clone+0x6d)[0x7f96546b302d]

======= Memory map: ========

00400000-00412000 r-xp 00000000 fd:00 50344753 /usr/bin/maxscale

00611000-00612000 r--p 00011000 fd:00 50344753 /usr/bin/maxscale

00612000-00613000 rw-p 00012000 fd:00 50344753 /usr/bin/maxscale

00613000-00615000 rw-p 00000000 00:00 0

010b5000-010f7000 rw-p 00000000 00:00 0 [heap]

010f7000-03126000 rw-p 00000000 00:00 0 [heap]

7f9618000000-7f961844b000 rw-p 00000000 00:00 0

7f961844b000-7f961c000000 ---p 00000000 00:00 0

7f961c000000-7f961c021000 rw-p 00000000 00:00 0

7f961c021000-7f9620000000 ---p 00000000 00:00 0

7f9620000000-7f96204d9000 rw-p 00000000 00:00 0

7f96204d9000-7f9624000000 ---p 00000000 00:00 0

7f9624000000-7f9624415000 rw-p 00000000 00:00 0

7f9624415000-7f9628000000 ---p 00000000 00:00 0

7f9628000000-7f9628449000 rw-p 00000000 00:00 0

7f9628449000-7f962c000000 ---p 00000000 00:00 0

7f962c000000-7f962c4e5000 rw-p 00000000 00:00 0

7f962c4e5000-7f9630000000 ---p 00000000 00:00 0

7f96317fb000-7f96317fc000 ---p 00000000 00:00 0

7f96317fc000-7f9631ffc000 rw-p 00000000 00:00 0

7f9631ffc000-7f9631ffd000 ---p 00000000 00:00 0

7f9631ffd000-7f96327fd000 rw-p 00000000 00:00 0

7f96327fd000-7f96327fe000 ---p 00000000 00:00 0

7f96327fe000-7f9632ffe000 rw-p 00000000 00:00 0

7f9632ffe000-7f9632fff000 ---p 00000000 00:00 0

7f9632fff000-7f96337ff000 rw-p 00000000 00:00 0

7f96337ff000-7f9633800000 ---p 00000000 00:00 0

7f9633800000-7f9634000000 rw-p 00000000 00:00 0

7f9634000000-7f9634451000 rw-p 00000000 00:00 0

7f9634451000-7f9638000000 ---p 00000000 00:00 0

7f9638000000-7f9638468000 rw-p 00000000 00:00 0

7f9638468000-7f963c000000 ---p 00000000 00:00 0

7f963c000000-7f963c021000 rw-p 00000000 00:00 0

7f963c021000-7f9640000000 ---p 00000000 00:00 0

7f9640000000-7f9640021000 rw-p 00000000 00:00 0

7f9640021000-7f9644000000 ---p 00000000 00:00 0

7f9644000000-7f9644024000 rw-p 00000000 00:00 0

7f9644024000-7f9648000000 ---p 00000000 00:00 0

7f964855e000-7f964855f000 ---p 00000000 00:00 0

7f964855f000-7f9648d5f000 rw-p 00000000 00:00 0

7f9648d5f000-7f9648d60000 ---p 00000000 00:00 0

7f9648d60000-7f9649560000 rw-p 00000000 00:00 0

7f9649560000-7f9649561000 ---p 00000000 00:00 0

7f9649561000-7f9649d61000 rw-p 00000000 00:00 0

7f9649d61000-7f9649d62000 ---p 00000000 00:00 0

7f9649d62000-7f964a562000 rw-p 00000000 00:00 0

7f964a562000-7f964a563000 ---p 00000000 00:00 0

7f964a563000-7f964ad63000 rw-p 00000000 00:00 0

7f964ad63000-7f964ad64000 ---p 00000000 00:00 0

7f964ad64000-7f964b564000 rw-p 00000000 00:00 0

7f964b564000-7f964b565000 r-xp 00000000 fd:00 106171 /usr/lib64/maxscale/libmaxadminauth.so.1.0.0

7f964b565000-7f964b764000 ---p 00001000 fd:00 106171 /usr/lib64/maxscale/libmaxadminauth.so.1.0.0

7f964b764000-7f964b765000 r--p 00000000 fd:00 106171 /usr/lib64/maxscale/libmaxadminauth.so.1.0.0

7f964b765000-7f964b766000 rw-p 00001000 fd:00 106171 /usr/lib64/maxscale/libmaxadminauth.so.1.0.0

7f964b766000-7f964b767000 r-xp 00000000 fd:00 106192 /usr/lib64/maxscale/libmysqlbackendauth.so.1.0.0

7f964b767000-7f964b967000 ---p 00001000 fd:00 106192 /usr/lib64/maxscale/libmysqlbackendauth.so.1.0.0

7f964b967000-7f964b968000 r--p 00001000 fd:00 106192 /usr/lib64/maxscale/libmysqlbackendauth.so.1.0.0

7f964b968000-7f964b969000 rw-p 00002000 fd:00 106192 /usr/lib64/maxscale/libmysqlbackendauth.so.1.0.0

7f964b969000-7f964b972000 r-xp 00000000 fd:00 106190 /usr/lib64/maxscale/libmysqlauth.so.1.0.0

7f964b972000-7f964bb71000 ---p 00009000 fd:00 106190 /usr/lib64/maxscale/libmysqlauth.so.1.0.0

7f964bb71000-7f964bb72000 r--p 00008000 fd:00 106190 /usr/lib64/maxscale/libmysqlauth.so.1.0.0

7f964bb72000-7f964bb73000 rw-p 00009000 fd:00 106190 /usr/lib64/maxscale/libmysqlauth.so.1.0.0

7f964bb73000-7f964bb79000 r-xp 00000000 fd:00 106163 /usr/lib64/maxscale/libmariadbbackend.so.2.0.0

7f964bb79000-7f964bd78000 ---p 00006000 fd:00 106163 /usr/lib64/maxscale/libmariadbbackend.so.2.0.0

7f964bd78000-7f964bd79000 r--p 00005000 fd:00 106163 /usr/lib64/maxscale/libmariadbbackend.so.2.0.0

7f964bd79000-7f964bd7a000 rw-p 00006000 fd:00 106163 /usr/lib64/maxscale/libmariadbbackend.so.2.0.0

7f964bd7a000-7f964bd80000 r-xp 00000000 fd:00 91444 /usr/lib64/maxscale/libgaleramon.so.2.0.0

7f964bd80000-7f964bf80000 ---p 00006000 fd:00 91444 /usr/lib64/maxscale/libgaleramon.so.2.0.0

7f964bf80000-7f964bf81000 r--p 00006000 fd:00 91444 /usr/lib64/maxscale/libgaleramon.so.2.0.0

7f964bf81000-7f964bf82000 rw-p 00007000 fd:00 91444 /usr/lib64/maxscale/libgaleramon.so.2.0.0

7f964bf82000-7f964bf8d000 r-xp 00000000 fd:00 106199 /usr/lib64/maxscale/libnamedserverfilter.so.1.1.0

7f964bf8d000-7f964c18c000 ---p 0000b000 fd:00 106199 /usr/lib64/maxscale/libnamedserverfilter.so.1.1.0

7f964c18c000-7f964c18d000 r--p 0000a000 fd:00 106199 /usr/lib64/maxscale/libnamedserverfilter.so.1.1.0

7f964c18d000-7f964c18e000 rw-p 0000b000 fd:00 106199 /usr/lib64/maxscale/libnamedserverfilter.so.1.1.0

7f964c18e000-7f964c1b9000 r-xp 00000000 fd:00 107787 /usr/lib64/maxscale/libreadwritesplit.so.1.0.2

7f964c1b9000-7f964c3b8000 ---p 0002b000 fd:00 107787 /usr/lib64/maxscale/libreadwritesplit.so.1.0.2

7f964c3b8000-7f964c3b9000 r--p 0002a000 fd:00 107787 /usr/lib64/maxscale/libreadwritesplit.so.1.0.2

7f964c3b9000-7f964c3bb000 rw-p 0002b000 fd:00 107787 /usr/lib64/maxscale/libreadwritesplit.so.1.0.2

7f964c3bb000-7f964c3bc000 rw-p 00000000 00:00 0

7f964c3bc000-7f964c3ca000 r-xp 00000000 fd:00 106195 /usr/lib64/maxscale/libmysqlcommon.so.2.0.0

7f964c3ca000-7f964c5ca000 ---p 0000e000 fd:00 106195 /usr/lib64/maxscale/libmysqlcommon.so.2.0.0

7f964c5ca000-7f964c5cb000 r--p 0000e000 fd:00 106195 /usr/lib64/maxscale/libmysqlcommon.so.2.0.0

7f964c5cb000-7f964c5cc000 rw-p 0000f000 fd:00 106195 /usr/lib64/maxscale/libmysqlcommon.so.2.0.0

7f964c5cc000-7f964c5d7000 r-xp 00000000 fd:00 106165 /usr/lib64/maxscale/libmariadbclient.so.1.0.0

7f964c5d7000-7f964c7d6000 ---p 0000b000 fd:00 106165 /usr/lib64/maxscale/libmariadbclient.so.1.0.0

7f964c7d6000-7f964c7d7000 r--p 0000a000 fd:00 106165 /usr/lib64/maxscale/libmariadbclient.so.1.0.0

7f964c7d7000-7f964c7d8000 rw-p 0000b000 fd:00 106165 /usr/lib64/maxscale/libmariadbclient.so.1.0.0

7f964c7d8000-7f964c7e6000 r-xp 00000000 fd:00 7830 /usr/lib64/maxscale/libcli.so.1.0.0

7f964c7e6000-7f964c9e6000 ---p 0000e000 fd:00 7830 /usr/lib64/maxscale/libcli.so.1.0.0

7f964c9e6000-7f964c9e7000 r--p 0000e000 fd:00 7830 /usr/lib64/maxscale/libcli.so.1.0.0

7f964c9e7000-7f964c9eb000 rw-p 0000f000 fd:00 7830 /usr/lib64/maxscale/libcli.so.1.0.0

7f964c9eb000-7f964c9ed000 r-xp 00000000 fd:00 106182 /usr/lib64/maxscale/libmaxscaled.so.1.0.0

7f964c9ed000-7f964cbed000 ---p 00002000 fd:00 106182 /usr/lib64/maxscale/libmaxscaled.so.1.0.0

7f964cbed000-7f964cbee000 r--p 00002000 fd:00 106182 /usr/lib64/maxscale/libmaxscaled.so.1.0.0

7f964cbee000-7f964cbef000 rw-p 00003000 fd:00 106182 /usr/lib64/maxscale/libmaxscaled.so.1.0.0

7f964cbef000-7f964cbf0000 ---p 00000000 00:00 0

7f964cbf0000-7f964d3f0000 rw-p 00000000 00:00 0

7f964d3f0000-7f964d3f1000 ---p 00000000 00:00 0

7f964d3f1000-7f964dbf1000 rw-p 00000000 00:00 0

7f964dbf1000-7f964dbf2000 ---p 00000000 00:00 0

7f964dbf2000-7f964e3f2000 rw-p 00000000 00:00 0

7f964e3f2000-7f964e3f3000 ---p 00000000 00:00 0

7f964e3f3000-7f964ebf3000 rw-p 00000000 00:00 0

7f964ebf3000-7f964ebf4000 ---p 00000000 00:00 0

7f964ebf4000-7f964f3f4000 rw-p 00000000 00:00 0

7f964f3f4000-7f964f3f5000 ---p 00000000 00:00 0

7f964f3f5000-7f964fbf5000 rw-p 00000000 00:00 0

7f964fbf5000-7f964fbf6000 ---p 00000000 00:00 0

7f964fbf6000-7f96503f6000 rw-p 00000000 00:00 0

7f96503f6000-7f96503f7000 ---p 00000000 00:00 0

7f96503f7000-7f9650bf7000 rw-p 00000000 00:00 0

7f9650bf7000-7f9650c9b000 r-xp 00000000 fd:00 3900 /usr/lib64/maxscale/libqc_sqlite.so.1.0.0

7f9650c9b000-7f9650e9b000 ---p 000a4000 fd:00 3900 /usr/lib64/maxscale/libqc_sqlite.so.1.0.0

7f9650e9b000-7f9650e9d000 r--p 000a4000 fd:00 3900 /usr/lib64/maxscale/libqc_sqlite.so.1.0.0

7f9650e9d000-7f9650ea1000 rw-p 000a6000 fd:00 3900 /usr/lib64/maxscale/libqc_sqlite.so.1.0.0

7f9650ea1000-7f9650ead000 r-xp 00000000 fd:00 99048 /usr/lib64/libnss_files-2.17.so

7f9650ead000-7f96510ac000 ---p 0000c000 fd:00 99048 /usr/lib64/libnss_files-2.17.so

7f96510ac000-7f96510ad000 r--p 0000b000 fd:00 99048 /usr/lib64/libnss_files-2.17.so

7f96510ad000-7f96510ae000 rw-p 0000c000 fd:00 99048 /usr/lib64/libnss_files-2.17.so

7f96510ae000-7f96510b4000 rw-p 00000000 00:00 0

7f96510b4000-7f96510bb000 r-xp 00000000 fd:00 1538 /usr/lib64/libffi.so.6.0.1

7f96510bb000-7f96512ba000 ---p 00007000 fd:00 1538 /usr/lib64/libffi.so.6.0.1

7f96512ba000-7f96512bb000 r--p 00006000 fd:00 1538 /usr/lib64/libffi.so.6.0.1

7f96512bb000-7f96512bc000 rw-p 00007000 fd:00 1538 /usr/lib64/libffi.so.6.0.1

7f96512bc000-7f96512bf000 r-xp 00000000 fd:00 1896 /usr/lib64/libkeyutils.so.1.5

7f96512bf000-7f96514be000 ---p 00003000 fd:00 1896 /usr/lib64/libkeyutils.so.1.5

7f96514be000-7f96514bf000 r--p 00002000 fd:00 1896 /usr/lib64/libkeyutils.so.1.5

7f96514bf000-7f96514c0000 rw-p 00003000 fd:00 1896 /usr/lib64/libkeyutils.so.1.5

7f96514c0000-7f96514ce000 r-xp 00000000 fd:00 1146 /usr/lib64/libkrb5support.so.0.1

7f96514ce000-7f96516ce000 ---p 0000e000 fd:00 1146 /usr/lib64/libkrb5support.so.0.1

7f96516ce000-7f96516cf000 r--p 0000e000 fd:00 1146 /usr/lib64/libkrb5support.so.0.1

7f96516cf000-7f96516d0000 rw-p 0000f000 fd:00 1146 /usr/lib64/libkrb5support.so.0.1

7f96516d0000-7f96516df000 r-xp 00000000 fd:00 1432 /usr/lib64/libbz2.so.1.0.6

7f96516df000-7f96518de000 ---p 0000f000 fd:00 1432 /usr/lib64/libbz2.so.1.0.6

7f96518de000-7f96518df000 r--p 0000e000 fd:00 1432 /usr/lib64/libbz2.so.1.0.6

7f96518df000-7f96518e0000 rw-p 0000f000 fd:00 1432 /usr/lib64/libbz2.so.1.0.6

7f96518e0000-7f96518f7000 r-xp 00000000 fd:00 2522 /usr/lib64/libelf-0.172.so

7f96518f7000-7f9651af6000 ---p 00017000 fd:00 2522 /usr/lib64/libelf-0.172.so

7f9651af6000-7f9651af7000 r--p 00016000 fd:00 2522 /usr/lib64/libelf-0.172.so

7f9651af7000-7f9651af8000 rw-p 00017000 fd:00 2522 /usr/lib64/libelf-0.172.so

7f9651af8000-7f9651b58000 r-xp 00000000 fd:00 1308 /usr/lib64/libpcre.so.1.2.0

7f9651b58000-7f9651d58000 ---p 00060000 fd:00 1308 /usr/lib64/libpcre.so.1.2.0

7f9651d58000-7f9651d59000 r--p 00060000 fd:00 1308 /usr/lib64/libpcre.so.1.2.0

7f9651d59000-7f9651d5a000 rw-p 00061000 fd:00 1308 /usr/lib64/libpcre.so.1.2.0

7f9651d5a000-7f9651d5e000 r-xp 00000000 fd:00 1555 /usr/lib64/libattr.so.1.1.0

7f9651d5e000-7f9651f5d000 ---p 00004000 fd:00 1555 /usr/lib64/libattr.so.1.1.0

7f9651f5d000-7f9651f5e000 r--p 00003000 fd:00 1555 /usr/lib64/libattr.so.1.1.0

7f9651f5e000-7f9651f5f000 rw-p 00004000 fd:00 1555 /usr/lib64/libattr.so.1.1.0

7f9651f5f000-7f9651fd5000 r-xp 00000000 fd:00 1586 /usr/lib64/libgmp.so.10.2.0

7f9651fd5000-7f96521d4000 ---p 00076000 fd:00 1586 /usr/lib64/libgmp.so.10.2.0

7f96521d4000-7f96521d6000 r--p 00075000 fd:00 1586 /usr/lib64/libgmp.so.10.2.0

7f96521d6000-7f96521d7000 rw-p 00077000 fd:00 1586 /usr/lib64/libgmp.so.10.2.0

7f96521d7000-7f96521fd000 r-xp 00000000 fd:00 2103 /usr/lib64/libhogweed.so.2.5

7f96521fd000-7f96523fc000 ---p 00026000 fd:00 2103 /usr/lib64/libhogweed.so.2.5

7f96523fc000-7f96523fd000 r--p 00025000 fd:00 2103 /usr/lib64/libhogweed.so.2.5

7f96523fd000-7f96523fe000 rw-p 00026000 fd:00 2103 /usr/lib64/libhogweed.so.2.5

7f96523fe000-7f965242d000 r-xp 00000000 fd:00 2105 /usr/lib64/libnettle.so.4.7

7f965242d000-7f965262d000 ---p 0002f000 fd:00 2105 /usr/lib64/libnettle.so.4.7

7f965262d000-7f965262e000 r--p 0002f000 fd:00 2105 /usr/lib64/libnettle.so.4.7

7f965262e000-7f965262f000 rw-p 00030000 fd:00 2105 /usr/lib64/libnettle.so.4.7

7f965262f000-7f9652640000 r-xp 00000000 fd:00 7805 /usr/lib64/libtasn1.so.6.5.3

7f9652640000-7f9652840000 ---p 00011000 fd:00 7805 /usr/lib64/libtasn1.so.6.5.3

7f9652840000-7f9652841000 r--p 00011000 fd:00 7805 /usr/lib64/libtasn1.so.6.5.3

7f9652841000-7f9652842000 rw-p 00012000 fd:00 7805 /usr/lib64/libtasn1.so.6.5.3

7f9652842000-7f965295c000 r-xp 00000000 fd:00 1601 /usr/lib64/libp11-kit.so.0.3.0

7f965295c000-7f9652b5c000 ---p 0011a000 fd:00 1601 /usr/lib64/libp11-kit.so.0.3.0

7f9652b5c000-7f9652b66000 r--p 0011a000 fd:00 1601 /usr/lib64/libp11-kit.so.0.3.0

7f9652b66000-7f9652b70000 rw-p 00124000 fd:00 1601 /usr/lib64/libp11-kit.so.0.3.0

7f9652b70000-7f9652b71000 rw-p 00000000 00:00 0

7f9652b71000-7f9652b73000 r-xp 00000000 fd:00 1231 /usr/lib64/libfreebl3.so

7f9652b73000-7f9652d72000 ---p 00002000 fd:00 1231 /usr/lib64/libfreebl3.so

7f9652d72000-7f9652d73000 r--p 00001000 fd:00 1231 /usr/lib64/libfreebl3.so

7f9652d73000-7f9652d74000 rw-p 00002000 fd:00 1231 /usr/lib64/libfreebl3.so

7f9652d74000-7f9652da5000 r-xp 00000000 fd:00 1138 /usr/lib64/libk5crypto.so.3.1

7f9652da5000-7f9652fa4000 ---p 00031000 fd:00 1138 /usr/lib64/libk5crypto.so.3.1

7f9652fa4000-7f9652fa6000 r--p 00030000 fd:00 1138 /usr/lib64/libk5crypto.so.3.1

7f9652fa6000-7f9652fa7000 rw-p 00032000 fd:00 1138 /usr/lib64/libk5crypto.so.3.1

7f9652fa7000-7f9652faa000 r-xp 00000000 fd:00 117028 /usr/lib64/libcom_err.so.2.1

7f9652faa000-7f96531a9000 ---p 00003000 fd:00 117028 /usr/lib64/libcom_err.so.2.1

7f96531a9000-7f96531aa000 r--p 00002000 fd:00 117028 /usr/lib64/libcom_err.so.2.1

7f96531aa000-7f96531ab000 rw-p 00003000 fd:00 117028 /usr/lib64/libcom_err.so.2.1

7f96531ab000-7f9653284000 r-xp 00000000 fd:00 1144 /usr/lib64/libkrb5.so.3.3

7f9653284000-7f9653483000 ---p 000d9000 fd:00 1144 /usr/lib64/libkrb5.so.3.3

7f9653483000-7f9653491000 r--p 000d8000 fd:00 1144 /usr/lib64/libkrb5.so.3.3

7f9653491000-7f9653494000 rw-p 000e6000 fd:00 1144 /usr/lib64/libkrb5.so.3.3

7f9653494000-7f96534de000 r-xp 00000000 fd:00 1134 /usr/lib64/libgssapi_krb5.so.2.2

7f96534de000-7f96536de000 ---p 0004a000 fd:00 1134 /usr/lib64/libgssapi_krb5.so.2.2

7f96536de000-7f96536df000 r--p 0004a000 fd:00 1134 /usr/lib64/libgssapi_krb5.so.2.2

7f96536df000-7f96536e1000 rw-p 0004b000 fd:00 1134 /usr/lib64/libgssapi_krb5.so.2.2

7f96536e1000-7f965372d000 r-xp 00000000 fd:00 83493 /usr/lib64/libdw-0.172.so

7f965372d000-7f965392d000 ---p 0004c000 fd:00 83493 /usr/lib64/libdw-0.172.so

7f965392d000-7f965392f000 r--p 0004c000 fd:00 83493 /usr/lib64/libdw-0.172.so

7f965392f000-7f9653930000 rw-p 0004e000 fd:00 83493 /usr/lib64/libdw-0.172.so

7f9653930000-7f9653946000 r-xp 00000000 fd:00 99058 /usr/lib64/libresolv-2.17.so

7f9653946000-7f9653b45000 ---p 00016000 fd:00 99058 /usr/lib64/libresolv-2.17.so

7f9653b45000-7f9653b46000 r--p 00015000 fd:00 99058 /usr/lib64/libresolv-2.17.so

7f9653b46000-7f9653b47000 rw-p 00016000 fd:00 99058 /usr/lib64/libresolv-2.17.so

7f9653b47000-7f9653b49000 rw-p 00000000 00:00 0

7f9653b49000-7f9653b4d000 r-xp 00000000 fd:00 1539 /usr/lib64/libgpg-error.so.0.10.0

7f9653b4d000-7f9653d4c000 ---p 00004000 fd:00 1539 /usr/lib64/libgpg-error.so.0.10.0

7f9653d4c000-7f9653d4d000 r--p 00003000 fd:00 1539 /usr/lib64/libgpg-error.so.0.10.0

7f9653d4d000-7f9653d4e000 rw-p 00004000 fd:00 1539 /usr/lib64/libgpg-error.so.0.10.0

7f9653d4e000-7f9653d62000 r-xp 00000000 fd:00 253864 /usr/lib64/liblz4.so.1.7.5

7f9653d62000-7f9653f61000 ---p 00014000 fd:00 253864 /usr/lib64/liblz4.so.1.7.5

7f9653f61000-7f9653f62000 r--p 00013000 fd:00 253864 /usr/lib64/liblz4.so.1.7.5

7f9653f62000-7f9653f63000 rw-p 00014000 fd:00 253864 /usr/lib64/liblz4.so.1.7.5

7f9653f63000-7f9653f88000 r-xp 00000000 fd:00 1300 /usr/lib64/liblzma.so.5.2.2

7f9653f88000-7f9654187000 ---p 00025000 fd:00 1300 /usr/lib64/liblzma.so.5.2.2

7f9654187000-7f9654188000 r--p 00024000 fd:00 1300 /usr/lib64/liblzma.so.5.2.2

7f9654188000-7f9654189000 rw-p 00025000 fd:00 1300 /usr/lib64/liblzma.so.5.2.2

7f9654189000-7f96541ad000 r-xp 00000000 fd:00 75284 /usr/lib64/libselinux.so.1

7f96541ad000-7f96543ac000 ---p 00024000 fd:00 75284 /usr/lib64/libselinux.so.1

7f96543ac000-7f96543ad000 r--p 00023000 fd:00 75284 /usr/lib64/libselinux.so.1

7f96543ad000-7f96543ae000 rw-p 00024000 fd:00 75284 /usr/lib64/libselinux.so.1

7f96543ae000-7f96543b0000 rw-p 00000000 00:00 0

7f96543b0000-7f96543b4000 r-xp 00000000 fd:00 1352 /usr/lib64/libcap.so.2.22

7f96543b4000-7f96545b3000 ---p 00004000 fd:00 1352 /usr/lib64/libcap.so.2.22

7f96545b3000-7f96545b4000 r--p 00003000 fd:00 1352 /usr/lib64/libcap.so.2.22

7f96545b4000-7f96545b5000 rw-p 00004000 fd:00 1352 /usr/lib64/libcap.so.2.22

7f96545b5000-7f9654777000 r-xp 00000000 fd:00 960 /usr/lib64/libc-2.17.so

7f9654777000-7f9654977000 ---p 001c2000 fd:00 960 /usr/lib64/libc-2.17.so

7f9654977000-7f965497b000 r--p 001c2000 fd:00 960 /usr/lib64/libc-2.17.so

7f965497b000-7f965497d000 rw-p 001c6000 fd:00 960 /usr/lib64/libc-2.17.so

7f965497d000-7f9654982000 rw-p 00000000 00:00 0

7f9654982000-7f9654997000 r-xp 00000000 fd:00 2382 /usr/lib64/libgcc_s-4.8.5-20150702.so.1

7f9654997000-7f9654b96000 ---p 00015000 fd:00 2382 /usr/lib64/libgcc_s-4.8.5-20150702.so.1

7f9654b96000-7f9654b97000 r--p 00014000 fd:00 2382 /usr/lib64/libgcc_s-4.8.5-20150702.so.1

7f9654b97000-7f9654b98000 rw-p 00015000 fd:00 2382 /usr/lib64/libgcc_s-4.8.5-20150702.so.1

7f9654b98000-7f9654c99000 r-xp 00000000 fd:00 41365 /usr/lib64/libm-2.17.so

7f9654c99000-7f9654e98000 ---p 00101000 fd:00 41365 /usr/lib64/libm-2.17.so

7f9654e98000-7f9654e99000 r--p 00100000 fd:00 41365 /usr/lib64/libm-2.17.so

7f9654e99000-7f9654e9a000 rw-p 00101000 fd:00 41365 /usr/lib64/libm-2.17.so

7f9654e9a000-7f9654e9c000 r-xp 00000000 fd:00 39905 /usr/lib64/libdl-2.17.so

7f9654e9c000-7f965509c000 ---p 00002000 fd:00 39905 /usr/lib64/libdl-2.17.so

7f965509c000-7f965509d000 r--p 00002000 fd:00 39905 /usr/lib64/libdl-2.17.so

7f965509d000-7f965509e000 rw-p 00003000 fd:00 39905 /usr/lib64/libdl-2.17.so

7f965509e000-7f965511b000 r-xp 00000000 fd:00 1495 /usr/lib64/libgcrypt.so.11.8.2

7f965511b000-7f965531a000 ---p 0007d000 fd:00 1495 /usr/lib64/libgcrypt.so.11.8.2

7f965531a000-7f965531b000 r--p 0007c000 fd:00 1495 /usr/lib64/libgcrypt.so.11.8.2

7f965531b000-7f965531e000 rw-p 0007d000 fd:00 1495 /usr/lib64/libgcrypt.so.11.8.2

7f965531e000-7f965531f000 rw-p 00000000 00:00 0

7f965531f000-7f965544d000 r-xp 00000000 fd:00 66334 /usr/lib64/libgnutls.so.28.43.3

7f965544d000-7f965564c000 ---p 0012e000 fd:00 66334 /usr/lib64/libgnutls.so.28.43.3

7f965564c000-7f9655656000 r--p 0012d000 fd:00 66334 /usr/lib64/libgnutls.so.28.43.3

7f9655656000-7f9655658000 rw-p 00137000 fd:00 66334 /usr/lib64/libgnutls.so.28.43.3

7f9655658000-7f9655659000 rw-p 00000000 00:00 0

7f9655659000-7f9655742000 r-xp 00000000 fd:00 1178 /usr/lib64/libstdc++.so.6.0.19

7f9655742000-7f9655941000 ---p 000e9000 fd:00 1178 /usr/lib64/libstdc++.so.6.0.19

7f9655941000-7f9655949000 r--p 000e8000 fd:00 1178 /usr/lib64/libstdc++.so.6.0.19

7f9655949000-7f965594b000 rw-p 000f0000 fd:00 1178 /usr/lib64/libstdc++.so.6.0.19

7f965594b000-7f9655960000 rw-p 00000000 00:00 0

7f9655960000-7f9655a11000 r-xp 00000000 fd:00 1637 /usr/lib64/libsqlite3.so.0.8.6

7f9655a11000-7f9655c10000 ---p 000b1000 fd:00 1637 /usr/lib64/libsqlite3.so.0.8.6

7f9655c10000-7f9655c12000 r--p 000b0000 fd:00 1637 /usr/lib64/libsqlite3.so.0.8.6

7f9655c12000-7f9655c15000 rw-p 000b2000 fd:00 1637 /usr/lib64/libsqlite3.so.0.8.6

7f9655c15000-7f9655c1c000 r-xp 00000000 fd:00 99060 /usr/lib64/librt-2.17.so

7f9655c1c000-7f9655e1b000 ---p 00007000 fd:00 99060 /usr/lib64/librt-2.17.so

7f9655e1b000-7f9655e1c000 r--p 00006000 fd:00 99060 /usr/lib64/librt-2.17.so

7f9655e1c000-7f9655e1d000 rw-p 00007000 fd:00 99060 /usr/lib64/librt-2.17.so

7f9655e1d000-7f9655e32000 r-xp 00000000 fd:00 1380 /usr/lib64/libz.so.1.2.7

7f9655e32000-7f9656031000 ---p 00015000 fd:00 1380 /usr/lib64/libz.so.1.2.7

7f9656031000-7f9656032000 r--p 00014000 fd:00 1380 /usr/lib64/libz.so.1.2.7

7f9656032000-7f9656033000 rw-p 00015000 fd:00 1380 /usr/lib64/libz.so.1.2.7

7f9656033000-7f9656268000 r-xp 00000000 fd:00 1153 /usr/lib64/libcrypto.so.1.0.2k

7f9656268000-7f9656468000 ---p 00235000 fd:00 1153 /usr/lib64/libcrypto.so.1.0.2k

7f9656468000-7f9656484000 r--p 00235000 fd:00 1153 /usr/lib64/libcrypto.so.1.0.2k

7f9656484000-7f9656491000 rw-p 00251000 fd:00 1153 /usr/lib64/libcrypto.so.1.0.2k

7f9656491000-7f9656495000 rw-p 00000000 00:00 0

7f9656495000-7f965649d000 r-xp 00000000 fd:00 964 /usr/lib64/libcrypt-2.17.so

7f965649d000-7f965669c000 ---p 00008000 fd:00 964 /usr/lib64/libcrypt-2.17.so

7f965669c000-7f965669d000 r--p 00007000 fd:00 964 /usr/lib64/libcrypt-2.17.so

7f965669d000-7f965669e000 rw-p 00008000 fd:00 964 /usr/lib64/libcrypt-2.17.so

7f965669e000-7f96566cc000 rw-p 00000000 00:00 0

7f96566cc000-7f96566e3000 r-xp 00000000 fd:00 99056 /usr/lib64/libpthread-2.17.so

7f96566e3000-7f96568e2000 ---p 00017000 fd:00 99056 /usr/lib64/libpthread-2.17.so

7f96568e2000-7f96568e3000 r--p 00016000 fd:00 99056 /usr/lib64/libpthread-2.17.so

7f96568e3000-7f96568e4000 rw-p 00017000 fd:00 99056 /usr/lib64/libpthread-2.17.so

7f96568e4000-7f96568e8000 rw-p 00000000 00:00 0

7f96568e8000-7f965694f000 r-xp 00000000 fd:00 1155 /usr/lib64/libssl.so.1.0.2k

7f965694f000-7f9656b4f000 ---p 00067000 fd:00 1155 /usr/lib64/libssl.so.1.0.2k

7f9656b4f000-7f9656b53000 r--p 00067000 fd:00 1155 /usr/lib64/libssl.so.1.0.2k

7f9656b53000-7f9656b5a000 rw-p 0006b000 fd:00 1155 /usr/lib64/libssl.so.1.0.2k

7f9656b5a000-7f9656b89000 r-xp 00000000 fd:00 1166 /usr/lib64/libsystemd.so.0.6.0

7f9656b89000-7f9656d89000 ---p 0002f000 fd:00 1166 /usr/lib64/libsystemd.so.0.6.0

7f9656d89000-7f9656d8a000 r--p 0002f000 fd:00 1166 /usr/lib64/libsystemd.so.0.6.0

7f9656d8a000-7f9656d8b000 rw-p 00030000 fd:00 1166 /usr/lib64/libsystemd.so.0.6.0

7f9656d8b000-7f9656f71000 r-xp 00000000 fd:00 106179 /usr/lib64/maxscale/libmaxscale-common.so.1.0.0

7f9656f71000-7f9657171000 ---p 001e6000 fd:00 106179 /usr/lib64/maxscale/libmaxscale-common.so.1.0.0

7f9657171000-7f965717b000 r--p 001e6000 fd:00 106179 /usr/lib64/maxscale/libmaxscale-common.so.1.0.0

7f965717b000-7f9657181000 rw-p 001f0000 fd:00 106179 /usr/lib64/maxscale/libmaxscale-common.so.1.0.0

7f9657181000-7f965718a000 rw-p 00000000 00:00 0

7f965718a000-7f96571ac000 r-xp 00000000 fd:00 953 /usr/lib64/ld-2.17.so

7f9657376000-7f9657386000 rwxp 00000000 00:00 0

7f9657386000-7f965739d000 rw-p 00000000 00:00 0

7f96573a9000-7f96573aa000 rw-p 00000000 00:00 0

7f96573aa000-7f96573ab000 rw-p 00000000 00:00 0

7f96573ab000-7f96573ac000 r--p 00021000 fd:00 953 /usr/lib64/ld-2.17.so

7f96573ac000-7f96573ad000 rw-p 00022000 fd:00 953 /usr/lib64/ld-2.17.so

7f96573ad000-7f96573ae000 rw-p 00000000 00:00 0

7ffd4a3cd000-7ffd4a3ee000 rw-p 00000000 00:00 0 [stack]

7ffd4a3fb000-7ffd4a3fd000 r-xp 00000000 00:00 0 [vdso]

ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall]

2019-07-19 03:15:06 alert : Fatal: MaxScale 2.3.9 received fatal signal 6. Attempting backtrace.

2019-07-19 03:15:06 alert : Commit ID: 66d6ce6fa598a43b20af052ef6c9f637a3279fa1 System name: Linux Release string: NAME="CentOS Linux"

2019-07-19 03:15:06 alert : /usr/bin/maxscale(_ZN7maxbase15dump_stacktraceESt8functionIFvPKcS2_EE+0x2b) [0x40cb5b]: /home/vagrant/MaxScale/maxutils/maxbase/src/stacktrace.cc:130<http://stacktrace.cc:130>

2019-07-19 03:15:06 alert : /usr/bin/maxscale(_ZN7maxbase15dump_stacktraceEPFvPKcS1_E+0x4e) [0x40cebe]: /usr/include/c++/4.8.2/functional:2029

2019-07-19 03:15:06 alert : /usr/bin/maxscale() [0x409569]: ??:0

2019-07-19 03:15:06 alert : /lib64/libpthread.so.0(+0xf5d0) [0x7f96566db5d0]: sigaction.c:?

2019-07-19 03:15:06 alert : /lib64/libc.so.6(gsignal+0x37) [0x7f96545eb2c7]: :?

2019-07-19 03:15:06 alert : /lib64/libc.so.6(abort+0x148) [0x7f96545ec9b8]: :?

2019-07-19 03:15:06 alert : /lib64/libc.so.6(+0x78e17) [0x7f965462de17]: :?

2019-07-19 03:15:06 alert : /lib64/libc.so.6(+0x81609) [0x7f9654636609]: malloc.c:?

2019-07-19 03:15:06 alert : /usr/lib64/maxscale/libreadwritesplit.so(_ZN14RWSplitSession18retry_master_queryERSt10shared_ptrIN8maxscale9RWBackendEE+0x81) [0x7f964c1a1e81]: /home/vagrant/MaxScale/server/modules/routing/readwritesplit/rwsplitsession.cc:903<http://rwsplitsession.cc:903>

2019-07-19 03:15:06 alert : /usr/lib64/maxscale/libreadwritesplit.so(_ZN14RWSplitSession11handleErrorEP5gwbufP3dcb12error_actionPb+0x627) [0x7f964c1a55a7]: /home/vagrant/MaxScale/server/modules/routing/readwritesplit/rwsplitsession.cc:1001<http://rwsplitsession.cc:1001>

2019-07-19 03:15:06 alert : /usr/lib64/maxscale/libreadwritesplit.so(_ZN8maxscale6RouterI7RWSplit14RWSplitSessionE11handleErrorEP10mxs_routerP18mxs_router_sessionP5gwbufP3dcb12error_actionPb+0x2a) [0x7f964c19fb8a]: /home/vagrant/MaxScale/include/maxscale/router.hh:218

2019-07-19 03:15:06 alert : /usr/lib64/maxscale/libmariadbbackend.so(+0x23d5) [0x7f964bb753d5]: /home/vagrant/MaxScale/server/modules/protocol/MySQL/mariadbbackend/mysql_backend.cc:607<http://mysql_backend.cc:607>

2019-07-19 03:15:06 alert : /usr/lib64/maxscale/libmariadbbackend.so(+0x24e1) [0x7f964bb754e1]: /home/vagrant/MaxScale/server/modules/protocol/MySQL/mariadbbackend/mysql_backend.cc:1387<http://mysql_backend.cc:1387>

2019-07-19 03:15:06 alert : /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x7a826) [0x7f9656e05826]: /home/vagrant/MaxScale/server/core/dcb.cc:2050<http://dcb.cc:2050>

2019-07-19 03:15:06 alert : /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase12MessageQueue18handle_poll_eventsEPNS_6WorkerEj+0x11f) [0x7f9656e6770f]: /home/vagrant/MaxScale/maxutils/maxbase/src/messagequeue.cc:291<http://messagequeue.cc:291>

2019-07-19 03:15:06 alert : /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker15poll_waiteventsEv+0x1b5) [0x7f9656e65215]: /home/vagrant/MaxScale/maxutils/maxbase/src/worker.cc:854<http://worker.cc:854>

2019-07-19 03:15:06 alert : /usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase6Worker3runEPNS_9SemaphoreE+0x51) [0x7f9656e65411]: /home/vagrant/MaxScale/maxutils/maxbase/src/worker.cc:555<http://worker.cc:555>

2019-07-19 03:15:06 alert : /lib64/libstdc++.so.6(+0xb5070) [0x7f965570e070]: ??:?

2019-07-19 03:15:06 alert : /lib64/libpthread.so.0(+0x7dd5) [0x7f96566d3dd5]: pthread_create.c:?

2019-07-19 03:15:06 alert : /lib64/libc.so.6(clone+0x6d) [0x7f96546b302d]: ??:?