Uploaded image for project: 'MariaDB Server'
  1. MariaDB Server
  2. MDEV-12331

Crash/coredump on 10.2.x/head server `stop`: "ERROR free(): invalid pointer: 0x000055de8f3db338"

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Details

    Description

      Building 10.2,

      	git log | head -n1
      		commit 1ca8637ae35061d2567728a1c7aede11e68e5fff
      

      on linux 64,

      no problems with build or install,

      	...
      	[100%] Linking CXX static library libsql.a
      	[100%] Built target sql
      	Scanning dependencies of target mysqld
      	[100%] Building CXX object sql/CMakeFiles/mysqld.dir/main.cc.o
      	[100%] Linking CXX executable mysqld
      	[100%] Built target mysqld
      	Scanning dependencies of target udf_example
      	[100%] Building C object sql/CMakeFiles/udf_example.dir/udf_example.c.o
      	[100%] Linking C shared module udf_example.so
      	[100%] Built target udf_example
       
       
      	mysqld -V
      		./mysqld  Ver 10.2.5-MariaDB-log for Linux on x86_64 (Source distribution)
      

      On startup

      	systemctl start mariadb-custom.service
      

      all's well; mysql starts & runs.

      however, on stop

      	systemctl start mariadb-custom.service
      

      logs show

      	tail -f /var/log/mariadb/*
       
      		==> /var/log/mariadb/mariadb-err.log <==
      		2017-03-21 18:14:42 140038821029632 [Note] /usr/local/mariadb/bin/mysqld (unknown): Normal shutdown
       
      		2017-03-21 18:14:42 140038821029632 [Note] Event Scheduler: Purging the queue. 0 events
       
      		==> /var/log/mariadb/mariadb-bin.000332 <==
      		��Xo�+L�
      		==> /var/log/mariadb/mariadb-err.log <==
      		2017-03-21 18:14:43 140038566287104 [Note] InnoDB: FTS optimize thread exiting.
      		2017-03-21 18:14:43 140038821029632 [Note] InnoDB: Starting shutdown...
      		2017-03-21 18:14:43 140038583072512 [Note] InnoDB: Dumping buffer pool(s) to /data/db/mariadb/ib_buffer_pool
      		2017-03-21 18:14:43 140038583072512 [Note] InnoDB: Buffer pool(s) dump completed at 170321 18:14:43
      		*** Error in `/usr/local/mariadb/bin/mysqld': free(): invalid pointer: 0x000055de8f3db338 ***
      		======= Backtrace: =========
      		/lib64/libc.so.6(+0x721af)[0x7f5d77f131af]
      		/lib64/libc.so.6(+0x779d6)[0x7f5d77f189d6]
      		/lib64/libc.so.6(+0x78723)[0x7f5d77f19723]
      		/usr/local/mariadb/bin/mysqld(+0x9144cc)[0x55de8b3104cc]
      		/usr/local/mariadb/bin/mysqld(+0x909910)[0x55de8b305910]
      		/usr/local/mariadb/bin/mysqld(+0x7e007e)[0x55de8b1dc07e]
      		/usr/local/mariadb/bin/mysqld(_Z22ha_finalize_handlertonP13st_plugin_int+0x33)[0x55de8b05ff73]
      		/usr/local/mariadb/bin/mysqld(+0x4da010)[0x55de8aed6010]
      		/usr/local/mariadb/bin/mysqld(+0x4dec8e)[0x55de8aedac8e]
      		/usr/local/mariadb/bin/mysqld(_Z15plugin_shutdownv+0x3cd)[0x55de8aedb94d]
      		/usr/local/mariadb/bin/mysqld(+0x43ccbf)[0x55de8ae38cbf]
      		/usr/local/mariadb/bin/mysqld(_Z10unireg_endv+0x3b)[0x55de8ae394db]
      		/usr/local/mariadb/bin/mysqld(+0x4413f9)[0x55de8ae3d3f9]
      		/usr/local/mariadb/bin/mysqld(kill_server_thread+0xe)[0x55de8ae3d74e]
      		/usr/local/mariadb/bin/mysqld(+0xb97644)[0x55de8b593644]
      		/lib64/libpthread.so.0(+0x8734)[0x7f5d79ba8734]
      		/lib64/libc.so.6(clone+0x6d)[0x7f5d77f8ad3d]
      		======= Memory map: ========
      		55de8a9fc000-55de8baef000 r-xp 00000000 fe:04 8002127                    /usr/local/mariadb/bin/mysqld
      		55de8bcef000-55de8bdbd000 r--p 010f3000 fe:04 8002127                    /usr/local/mariadb/bin/mysqld
      		55de8bdbd000-55de8be72000 rw-p 011c1000 fe:04 8002127                    /usr/local/mariadb/bin/mysqld
      		55de8be72000-55de8c6fa000 rw-p 00000000 00:00 0 
      		55de8e645000-55de8f6a0000 rw-p 00000000 00:00 0                          [heap]
      		7f5cf4000000-7f5cf4021000 rw-p 00000000 00:00 0 
      		7f5cf4021000-7f5cf8000000 ---p 00000000 00:00 0 
      		7f5cfc000000-7f5cfc021000 rw-p 00000000 00:00 0 
      		7f5cfc021000-7f5d00000000 ---p 00000000 00:00 0 
      		7f5d00000000-7f5d00122000 rw-p 00000000 00:00 0 
      		7f5d00122000-7f5d04000000 ---p 00000000 00:00 0 
      		7f5d04000000-7f5d04021000 rw-p 00000000 00:00 0 
      		7f5d04021000-7f5d08000000 ---p 00000000 00:00 0 
      		7f5d08000000-7f5d08021000 rw-p 00000000 00:00 0 
      		7f5d08021000-7f5d0c000000 ---p 00000000 00:00 0 
      		7f5d0c000000-7f5d0c061000 rw-p 00000000 00:00 0 
      		7f5d0c061000-7f5d10000000 ---p 00000000 00:00 0 
      		7f5d18000000-7f5d18021000 rw-p 00000000 00:00 0 
      		7f5d18021000-7f5d1c000000 ---p 00000000 00:00 0 
      		7f5d1c000000-7f5d1c021000 rw-p 00000000 00:00 0 
      		7f5d1c021000-7f5d20000000 ---p 00000000 00:00 0 
      		7f5d20000000-7f5d20021000 rw-p 00000000 00:00 0 
      		7f5d20021000-7f5d24000000 ---p 00000000 00:00 0 
      		7f5d28000000-7f5d28021000 rw-p 00000000 00:00 0 
      		7f5d28021000-7f5d2c000000 ---p 00000000 00:00 0 
      		7f5d2c000000-7f5d2c021000 rw-p 00000000 00:00 0 
      		7f5d2c021000-7f5d30000000 ---p 00000000 00:00 0 
      		7f5d30000000-7f5d30021000 rw-p 00000000 00:00 0 
      		7f5d30021000-7f5d34000000 ---p 00000000 00:00 0 
      		7f5d34000000-7f5d34021000 rw-p 00000000 00:00 0 
      		7f5d34021000-7f5d38000000 ---p 00000000 00:00 0 
      		7f5d38000000-7f5d38021000 rw-p 00000000 00:00 0 
      		7f5d38021000-7f5d3c000000 ---p 00000000 00:00 0 
      		7f5d3c000000-7f5d3c021000 rw-p 00000000 00:00 0 
      		7f5d3c021000-7f5d40000000 ---p 00000000 00:00 0 
      		7f5d40000000-7f5d40021000 rw-p 00000000 00:00 0 
      		7f5d40021000-7f5d44000000 ---p 00000000 00:00 0 
      		7f5d48000000-7f5d48021000 rw-p 00000000 00:00 0 
      		7f5d48021000-7f5d4c000000 ---p 00000000 00:00 0 
      		7f5d4e66f000-7f5d4e690000 rw-p 00000000 00:00 0 
      		7f5d4ee91000-7f5d4ee92000 ---p 00000000 00:00 0 
      		7f5d4ee92000-7f5d4f692000 rw-p 00000000 00:00 0 
      		7f5d50e95000-7f5d50e96000 ---p 00000000 00:00 0 
      		7f5d50e96000-7f5d51696000 rw-p 00000000 00:00 0 
      		7f5d51696000-7f5d51697000 ---p 00000000 00:00 0 
      		7f5d51697000-7f5d51e97000 rw-p 00000000 00:00 0 
      		7f5d52e99000-7f5d52e9a000 ---p 00000000 00:00 0 
      		7f5d52e9a000-7f5d5369a000 rw-p 00000000 00:00 0 
      		7f5d541ea000-7f5d541eb000 ---p 00000000 00:00 0 
      		7f5d541eb000-7f5d542eb000 rw-p 00000000 00:00 0 
      		7f5d64bad000-7f5d68000000 rw-p 00000000 00:00 0 
      		7f5d68000000-7f5d68021000 rw-p 00000000 00:00 0 
      		7f5d68021000-7f5d6c000000 ---p 00000000 00:00 0 
      		7f5d6c00b000-7f5d6c00c000 ---p 00000000 00:00 0 
      		7f5d6c00c000-7f5d6c10c000 rw-p 00000000 00:00 0 
      		7f5d6dc0d000-7f5d6e7bb000 rw-p 00000000 00:00 0 
      		7f5d6e7bb000-7f5d6e7bc000 ---p 00000000 00:00 0 
      		7f5d6e7bc000-7f5d6efbc000 rw-p 00000000 00:00 0 
      		7f5d6ffb8000-7f5d6ffc3000 r-xp 00000000 fe:00 2491000                    /lib64/libnss_files-2.22.so
      		7f5d6ffc3000-7f5d701c2000 ---p 0000b000 fe:00 2491000                    /lib64/libnss_files-2.22.so
      		7f5d701c2000-7f5d701c3000 r--p 0000a000 fe:00 2491000                    /lib64/libnss_files-2.22.so
      		7f5d701c3000-7f5d701c4000 rw-p 0000b000 fe:00 2491000                    /lib64/libnss_files-2.22.so
      		7f5d701c4000-7f5d701ca000 rw-p 00000000 00:00 0 
      		7f5d701ca000-7f5d701d4000 r-xp 00000000 fe:00 2491094                    /lib64/libnss_nis-2.22.so
      		7f5d701d4000-7f5d703d3000 ---p 0000a000 fe:00 2491094                    /lib64/libnss_nis-2.22.so
      		7f5d703d3000-7f5d703d4000 r--p 00009000 fe:00 2491094                    /lib64/libnss_nis-2.22.so
      		7f5d703d4000-7f5d703d5000 rw-p 0000a000 fe:00 2491094                    /lib64/libnss_nis-2.22.so
      		7f5d703d5000-7f5d703ea000 r-xp 00000000 fe:00 2490895                    /lib64/libnsl-2.22.so
      		7f5d703ea000-7f5d705e9000 ---p 00015000 fe:00 2490895                    /lib64/libnsl-2.22.so
      		7f5d705e9000-7f5d705ea000 r--p 00014000 fe:00 2490895                    /lib64/libnsl-2.22.so
      		7f5d705ea000-7f5d705eb000 rw-p 00015000 fe:00 2490895                    /lib64/libnsl-2.22.so
      		7f5d705eb000-7f5d705ed000 rw-p 00000000 00:00 0 
      		7f5d705ed000-7f5d705f4000 r-xp 00000000 fe:00 2490910                    /lib64/libnss_compat-2.22.so
      		7f5d705f4000-7f5d707f3000 ---p 00007000 fe:00 2490910                    /lib64/libnss_compat-2.22.so
      		7f5d707f3000-7f5d707f4000 r--p 00006000 fe:00 2490910                    /lib64/libnss_compat-2.22.so
      		7f5d707f4000-7f5d707f5000 rw-p 00007000 fe:00 2490910                    /lib64/libnss_compat-2.22.so
      		7f5d70814000-7f5d70819000 rw-s 00000000 00:0f 28171320                   /[aio] (deleted)
      		7f5d70819000-7f5d7081e000 rw-s 00000000 00:0f 28171319                   /[aio] (deleted)
      		7f5d70855000-7f5d77135000 rw-p 00000000 00:00 0 
      		7f5d77135000-7f5d77148000 r-xp 00000000 fe:00 264983                     /usr/lib64/libgpg-error.so.0.22.0
      		7f5d77148000-7f5d77348000 ---p 00013000 fe:00 264983                     /usr/lib64/libgpg-error.so.0.22.0
      		7f5d77348000-7f5d77349000 r--p 00013000 fe:00 264983                     /usr/lib64/libgpg-error.so.0.22.0
      		7f5d77349000-7f5d7734a000 rw-p 00014000 fe:00 264983                     /usr/lib64/libgpg-error.so.0.22.0
      		7f5d7734a000-7f5d7744f000 r-xp 00000000 fe:00 271157                     /usr/lib64/libgcrypt.so.20.1.6
      		7f5d7744f000-7f5d7764e000 ---p 00105000 fe:00 271157                     /usr/lib64/libgcrypt.so.20.1.6
      		7f5d7764e000-7f5d77650000 r--p 00104000 fe:00 271157                     /usr/lib64/libgcrypt.so.20.1.6
      		7f5d77650000-7f5d77657000 rw-p 00106000 fe:00 271157                     /usr/lib64/libgcrypt.so.20.1.6
      		7f5d77657000-7f5d7766b000 r-xp 00000000 fe:00 2492781                    /lib64/libresolv-2.22.so
      		7f5d7766b000-7f5d7786a000 ---p 00014000 fe:00 2492781                    /lib64/libresolv-2.22.so
      		7f5d7786a000-7f5d7786b000 r--p 00013000 fe:00 2492781                    /lib64/libresolv-2.22.so
      		7f5d7786b000-7f5d7786c000 rw-p 00014000 fe:00 2492781                    /lib64/libresolv-2.22.so
      		7f5d7786c000-7f5d7786e000 rw-p 00000000 00:00 0 
      		7f5d7786e000-7f5d77875000 r-xp 00000000 fe:00 2492784                    /lib64/librt-2.22.so
      		7f5d77875000-7f5d77a74000 ---p 00007000 fe:00 2492784                    /lib64/librt-2.22.so
      		7f5d77a74000-7f5d77a75000 r--p 00006000 fe:00 2492784                    /lib64/librt-2.22.so
      		7f5d77a75000-7f5d77a76000 rw-p 00007000 fe:00 2492784                    /lib64/librt-2.22.so
      		7f5d77a76000-7f5d77a7a000 r-xp 00000000 fe:00 2492782                    /lib64/libcap.so.2.22
      		7f5d77a7a000-7f5d77c79000 ---p 00004000 fe:00 2492782                    /lib64/libcap.so.2.22
      		7f5d77c79000-7f5d77c7a000 r--p 00003000 fe:00 2492782                    /lib64/libcap.so.2.22
      		7f5d77c7a000-7f5d77c7b000 rw-p 00004000 fe:00 2492782                    /lib64/libcap.so.2.22
      		7f5d77c7b000-7f5d77c9e000 r-xp 00000000 fe:00 2492803                    /lib64/libselinux.so.1
      		7f5d77c9e000-7f5d77e9d000 ---p 00023000 fe:00 2492803                    /lib64/libselinux.so.1
      		7f5d77e9d000-7f5d77e9e000 r--p 00022000 fe:00 2492803                    /lib64/libselinux.so.1
      		7f5d77e9e000-7f5d77e9f000 rw-p 00023000 fe:00 2492803                    /lib64/libselinux.so.1
      		7f5d77e9f000-7f5d77ea1000 rw-p 00000000 00:00 0 
      		7f5d77ea1000-7f5d7803b000 r-xp 00000000 fe:00 2490839                    /lib64/libc-2.22.so
      		7f5d7803b000-7f5d7823a000 ---p 0019a000 fe:00 2490839                    /lib64/libc-2.22.so
      		7f5d7823a000-7f5d7823e000 r--p 00199000 fe:00 2490839                    /lib64/libc-2.22.so
      		7f5d7823e000-7f5d78240000 rw-p 0019d000 fe:00 2490839                    /lib64/libc-2.22.so
      		7f5d78240000-7f5d78244000 rw-p 00000000 00:00 0 
      		7f5d78244000-7f5d7825a000 r-xp 00000000 fe:00 2530131                    /lib64/libgcc_s.so.1
      		7f5d7825a000-7f5d78459000 ---p 00016000 fe:00 2530131                    /lib64/libgcc_s.so.1
      		7f5d78459000-7f5d7845a000 r--p 00015000 fe:00 2530131                    /lib64/libgcc_s.so.1
      		7f5d7845a000-7f5d7845b000 rw-p 00016000 fe:00 2530131                    /lib64/libgcc_s.so.1
      		7f5d7845b000-7f5d78557000 r-xp 00000000 fe:00 2490883                    /lib64/libm-2.22.so
      		7f5d78557000-7f5d78756000 ---p 000fc000 fe:00 2490883                    /lib64/libm-2.22.so
      		7f5d78756000-7f5d78757000 r--p 000fb000 fe:00 2490883                    /lib64/libm-2.22.so
      		7f5d78757000-7f5d78758000 rw-p 000fc000 fe:00 2490883                    /lib64/libm-2.22.so
      		7f5d78758000-7f5d788d1000 r-xp 00000000 fe:00 264787                     /usr/lib64/libstdc++.so.6.0.22
      		7f5d788d1000-7f5d78ad1000 ---p 00179000 fe:00 264787                     /usr/lib64/libstdc++.so.6.0.22
      		7f5d78ad1000-7f5d78adb000 r--p 00179000 fe:00 264787                     /usr/lib64/libstdc++.so.6.0.22
      		7f5d78adb000-7f5d78add000 rw-p 00183000 fe:00 264787                     /usr/lib64/libstdc++.so.6.0.22
      		7f5d78add000-7f5d78ae1000 rw-p 00000000 00:00 0 
      		7f5d78ae1000-7f5d78ae3000 r-xp 00000000 fe:00 2490873                    /lib64/libdl-2.22.so
      		7f5d78ae3000-7f5d78ce3000 ---p 00002000 fe:00 2490873                    /lib64/libdl-2.22.so
      		7f5d78ce3000-7f5d78ce4000 r--p 00002000 fe:00 2490873                    /lib64/libdl-2.22.so
      		7f5d78ce4000-7f5d78ce5000 rw-p 00003000 fe:00 2490873                    /lib64/libdl-2.22.so
      		7f5d78ce5000-7f5d78cf0000 r-xp 00000000 fe:00 2490855                    /lib64/libcrypt-2.22.so
      		7f5d78cf0000-7f5d78ef0000 ---p 0000b000 fe:00 2490855                    /lib64/libcrypt-2.22.so
      		7f5d78ef0000-7f5d78ef1000 r--p 0000b000 fe:00 2490855                    /lib64/libcrypt-2.22.so
      		7f5d78ef1000-7f5d78ef2000 rw-p 0000c000 fe:00 2490855                    /lib64/libcrypt-2.22.so
      		7f5d78ef2000-7f5d78f20000 rw-p 00000000 00:00 0 
      		7f5d78f20000-7f5d78f36000 r-xp 00000000 fe:00 2490773                    /lib64/libz.so.1.2.11
      		7f5d78f36000-7f5d79135000 ---p 00016000 fe:00 2490773                    /lib64/libz.so.1.2.11
      		7f5d79135000-7f5d79136000 r--p 00015000 fe:00 2490773                    /lib64/libz.so.1.2.11
      		7f5d79136000-7f5d79137000 rw-p 00016000 fe:00 2490773                    /lib64/libz.so.1.2.11
      		7f5d79137000-7f5d79141000 r-xp 00000000 fe:00 280733                     /usr/lib64/libnuma.so.1.0.0
      		7f5d79141000-7f5d79341000 ---p 0000a000 fe:00 280733                     /usr/lib64/libnuma.so.1.0.0
      		7f5d79341000-7f5d79342000 r--p 0000a000 fe:00 280733                     /usr/lib64/libnuma.so.1.0.0
      		7f5d79342000-7f5d79343000 rw-p 0000b000 fe:00 280733                     /usr/lib64/libnuma.so.1.0.0
      		7f5d79343000-7f5d79344000 r-xp 00000000 fe:00 2496077                    /lib64/libaio.so.1.0.1
      		7f5d79344000-7f5d79543000 ---p 00001000 fe:00 2496077                    /lib64/libaio.so.1.0.1
      		7f5d79543000-7f5d79544000 r--p 00000000 fe:00 2496077                    /lib64/libaio.so.1.0.1
      		7f5d79544000-7f5d79545000 rw-p 00001000 fe:00 2496077                    /lib64/libaio.so.1.0.1
      		7f5d79545000-7f5d79554000 r-xp 00000000 fe:00 267669                     /usr/lib64/libbz2.so.1.0.6
      		7f5d79554000-7f5d79753000 ---p 0000f000 fe:00 267669                     /usr/lib64/libbz2.so.1.0.6
      		7f5d79753000-7f5d79754000 r--p 0000e000 fe:00 267669                     /usr/lib64/libbz2.so.1.0.6
      		7f5d79754000-7f5d79755000 rw-p 0000f000 fe:00 267669                     /usr/lib64/libbz2.so.1.0.6
      		7f5d79755000-7f5d7977c000 r-xp 00000000 fe:00 306570                     /usr/lib64/liblzma.so.5.2.3
      		7f5d7977c000-7f5d7997c000 ---p 00027000 fe:00 306570                     /usr/lib64/liblzma.so.5.2.3
      		7f5d7997c000-7f5d7997d000 r--p 00027000 fe:00 306570                     /usr/lib64/liblzma.so.5.2.3
      		7f5d7997d000-7f5d7997e000 rw-p 00028000 fe:00 306570                     /usr/lib64/liblzma.so.5.2.3
      		7f5d7997e000-7f5d7999e000 r-xp 00000000 fe:00 271518                     /usr/lib64/liblzo2.so.2.0.0
      		7f5d7999e000-7f5d79b9e000 ---p 00020000 fe:00 271518                     /usr/lib64/liblzo2.so.2.0.0
      		7f5d79b9e000-7f5d79b9f000 r--p 00020000 fe:00 271518                     /usr/lib64/liblzo2.so.2.0.0
      		7f5d79b9f000-7f5d79ba0000 rw-p 00021000 fe:00 271518                     /usr/lib64/liblzo2.so.2.0.0
      		7f5d79ba0000-7f5d79bb8000 r-xp 00000000 fe:00 2490846                    /lib64/libpthread-2.22.so
      		7f5d79bb8000-7f5d79db7000 ---p 00018000 fe:00 2490846                    /lib64/libpthread-2.22.so
      		7f5d79db7000-7f5d79db8000 r--p 00017000 fe:00 2490846                    /lib64/libpthread-2.22.so
      		7f5d79db8000-7f5d79db9000 rw-p 00018000 fe:00 2490846                    /lib64/libpthread-2.22.so
      		7f5d79db9000-7f5d79dbd000 rw-p 00000000 00:00 0 
      		7f5d79dbd000-7f5d7a022000 r-xp 00000000 fe:04 8130283                    /usr/local/openssl10/lib64/libcrypto.so.1.0.0
      		7f5d7a022000-7f5d7a221000 ---p 00265000 fe:04 8130283                    /usr/local/openssl10/lib64/libcrypto.so.1.0.0
      		7f5d7a221000-7f5d7a23d000 r--p 00264000 fe:04 8130283                    /usr/local/openssl10/lib64/libcrypto.so.1.0.0
      		7f5d7a23d000-7f5d7a248000 rw-p 00280000 fe:04 8130283                    /usr/local/openssl10/lib64/libcrypto.so.1.0.0
      		7f5d7a248000-7f5d7a24c000 rw-p 00000000 00:00 0 
      		7f5d7a24c000-7f5d7a2b3000 r-xp 00000000 fe:04 8130286                    /usr/local/openssl10/lib64/libssl.so.1.0.0
      		7f5d7a2b3000-7f5d7a4b3000 ---p 00067000 fe:04 8130286                    /usr/local/openssl10/lib64/libssl.so.1.0.0
      		7f5d7a4b3000-7f5d7a4b8000 r--p 00067000 fe:04 8130286                    /usr/local/openssl10/lib64/libssl.so.1.0.0
      		7f5d7a4b8000-7f5d7a4be000 rw-p 0006c000 fe:04 8130286                    /usr/local/openssl10/lib64/libssl.so.1.0.0
      		7f5d7a4be000-7f5d7a541000 r-xp 00000000 fe:00 270750                     /usr/lib64/libsystemd.so.0.13.0
      		7f5d7a541000-7f5d7a741000 ---p 00083000 fe:00 270750                     /usr/lib64/libsystemd.so.0.13.0
      		7f5d7a741000-7f5d7a744000 r--p 00083000 fe:00 270750                     /usr/lib64/libsystemd.so.0.13.0
      		7f5d7a744000-7f5d7a745000 rw-p 00086000 fe:00 270750                     /usr/lib64/libsystemd.so.0.13.0
      		7f5d7a745000-7f5d7a74e000 r-xp 00000000 fe:04 2491528                    /usr/local/lib64/libpcrecpp.so.0.0.1
      		7f5d7a74e000-7f5d7a94d000 ---p 00009000 fe:04 2491528                    /usr/local/lib64/libpcrecpp.so.0.0.1
      		7f5d7a94d000-7f5d7a94e000 r--p 00008000 fe:04 2491528                    /usr/local/lib64/libpcrecpp.so.0.0.1
      		7f5d7a94e000-7f5d7a94f000 rw-p 00009000 fe:04 2491528                    /usr/local/lib64/libpcrecpp.so.0.0.1
      		7f5d7a94f000-7f5d7a9c8000 r-xp 00000000 fe:04 2491489                    /usr/local/lib64/libpcre.so.1.2.8
      		7f5d7a9c8000-7f5d7abc7000 ---p 00079000 fe:04 2491489                    /usr/local/lib64/libpcre.so.1.2.8
      		7f5d7abc7000-7f5d7abc8000 r--p 00078000 fe:04 2491489                    /usr/local/lib64/libpcre.so.1.2.8
      		7f5d7abc8000-7f5d7abc9000 rw-p 00079000 fe:04 2491489                    /usr/local/lib64/libpcre.so.1.2.8
      		7f5d7abc9000-7f5d7abea000 r-xp 00000000 fe:00 2490802                    /lib64/ld-2.22.so
      		7f5d7abec000-7f5d7ad88000 rw-p 00000000 00:00 0 
      		7f5d7ad88000-7f5d7ad8a000 rw-s 00000000 00:0f 28171321                   /[aio] (deleted)
      		7f5d7ad8a000-7f5d7ad8f000 rw-s 00000000 00:0f 28171318                   /[aio] (deleted)
      		7f5d7ad8f000-7f5d7ad94000 rw-s 00000000 00:0f 28171317                   /[aio] (deleted)
      		7f5d7ad94000-7f5d7ad99000 rw-s 00000000 00:0f 28171316                   /[aio] (deleted)
      		7f5d7ad99000-7f5d7ad9e000 rw-s 00000000 00:0f 28171315                   /[aio] (deleted)
      		7f5d7ad9e000-7f5d7ada3000 rw-s 00000000 00:0f 28171314                   /[aio] (deleted)
      		7f5d7ada3000-7f5d7ada8000 rw-s 00000000 00:0f 28171313                   /[aio] (deleted)
      		7f5d7ada8000-7f5d7adad000 rw-s 00000000 00:0f 28171312                   /[aio] (deleted)
      		7f5d7adad000-7f5d7adb2000 rw-s 00000000 00:0f 28171311                   /[aio] (deleted)
      		7f5d7adb2000-7f5d7adb3000 rw-s 00000000 00:0f 28171310                   /[aio] (deleted)
      		7f5d7adb3000-7f5d7ade9000 rw-p 00000000 00:00 0 
      		7f5d7ade9000-7f5d7adea000 r--p 00020000 fe:00 2490802                    /lib64/ld-2.22.so
      		7f5d7adea000-7f5d7adeb000 rw-p 00021000 fe:00 2490802                    /lib64/ld-2.22.so
      		7f5d7adeb000-7f5d7adec000 rw-p 00000000 00:00 0 
      		7ffdc8048000-7ffdc8069000 rw-p 00000000 00:00 0                          [stack]
      		7ffdc816b000-7ffdc816d000 r--p 00000000 00:00 0                          [vvar]
      		7ffdc816d000-7ffdc816f000 r-xp 00000000 00:00 0                          [vdso]
      		ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]
      		170321 18:14:45 [ERROR] mysqld got signal 6 ;
      		This could be because you hit a bug. It is also possible that this binary
      		or one of the libraries it was linked against is corrupt, improperly built,
      		or misconfigured. This error can also be caused by malfunctioning hardware.
       
      		To report this bug, see https://mariadb.com/kb/en/reporting-bugs
       
      		We will try our best to scrape up some info that will hopefully help
      		diagnose the problem, but since we have already crashed, 
      		something is definitely wrong and this may fail.
       
      		Server version: 10.2.5-MariaDB-log
      		key_buffer_size=67108864
      		read_buffer_size=1048576
      		max_used_connections=1
      		max_threads=258
      		thread_count=0
      		It is possible that mysqld could use up to
      		key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 1391907 K  bytes of memory
      		Hope that's ok; if not, decrease some variables in the equation.
       
      		Thread pointer: 0x0
      		Attempting backtrace. You can use the following information to find out
      		where mysqld died. If you see no messages after this, something went
      		terribly wrong...
      		stack_bottom = 0x0 thread_stack 0x100000
      		/usr/local/mariadb/bin/mysqld(my_print_stacktrace+0x29)[0x55de8b5dd649]
      		/usr/local/mariadb/bin/mysqld(handle_fatal_signal+0x3bd)[0x55de8b05dbfd]
      		/lib64/libpthread.so.0(+0x10b00)[0x7f5d79bb0b00]
      		/lib64/libc.so.6(gsignal+0x37)[0x7f5d77ed58d7]
      		/lib64/libc.so.6(abort+0x13a)[0x7f5d77ed6caa]
      		/lib64/libc.so.6(+0x721b4)[0x7f5d77f131b4]
      		/lib64/libc.so.6(+0x779d6)[0x7f5d77f189d6]
      		/lib64/libc.so.6(+0x78723)[0x7f5d77f19723]
      		:0(sync_check_close())[0x55de8b3104cc]
      		:0(innodb_shutdown())[0x55de8b305910]
      		ha_innodb.cc:0(innobase_end(handlerton*, ha_panic_function))[0x55de8b1dc07e]
      		/usr/local/mariadb/bin/mysqld(_Z22ha_finalize_handlertonP13st_plugin_int+0x33)[0x55de8b05ff73]
      		sql_plugin.cc:0(plugin_deinitialize(st_plugin_int*, bool))[0x55de8aed6010]
      		sql_plugin.cc:0(reap_plugins())[0x55de8aedac8e]
      		/usr/local/mariadb/bin/mysqld(_Z15plugin_shutdownv+0x3cd)[0x55de8aedb94d]
      		mysqld.cc:0(clean_up(bool) [clone .part.8])[0x55de8ae38cbf]
      		/usr/local/mariadb/bin/mysqld(_Z10unireg_endv+0x3b)[0x55de8ae394db]
      		mysqld.cc:0(kill_server(void*) [clone .constprop.49])[0x55de8ae3d3f9]
      		/usr/local/mariadb/bin/mysqld(kill_server_thread+0xe)[0x55de8ae3d74e]
      		:0(pfs_spawn_thread)[0x55de8b593644]
      		/lib64/libpthread.so.0(+0x8734)[0x7f5d79ba8734]
      		/lib64/libc.so.6(clone+0x6d)[0x7f5d77f8ad3d]
      		The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
      		information that should help you find out what is causing the crash.
      

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