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  1. MariaDB Server
  2. MDEV-10732

buffer overflow detected - mariadb crashing regularly

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    Details

      Description

      After updating a galera cluster to version 10.1.17 we experience regular crashes of mariadb.
      We decided to downgrade back to 10.1.16 and the crashes where gone.
      The mariadb server is running on Ubuntu 14.04 LTS with the latest patches installed.
      Here is the error.log after the crash

      160901 11:51:05 [ERROR] mysqld got signal 11 ;
      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: 10.1.17-MariaDB-1~trusty
      key_buffer_size=16777216
      read_buffer_size=131072
      max_used_connections=84
      max_threads=402
      thread_count=21
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 899372 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x0x7f81146db008
      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 = 0x7f82ddd73df0 thread_stack 0x40000
      *** buffer overflow detected ***: /usr/sbin/mysqld terminated
      ======= Backtrace: =========
      /lib/x86_64-linux-gnu/libc.so.6(+0x7329f)[0x7f82e8a0429f]
      /lib/x86_64-linux-gnu/libc.so.6(__fortify_fail+0x5c)[0x7f82e8a9bbbc]
      /lib/x86_64-linux-gnu/libc.so.6(+0x109a90)[0x7f82e8a9aa90]
      /lib/x86_64-linux-gnu/libc.so.6(+0x10ab07)[0x7f82e8a9bb07]
      /usr/sbin/mysqld(my_addr_resolve+0x48)[0x5605cfa21308]
      /usr/sbin/mysqld(my_print_stacktrace+0x1c2)[0x5605cfa0d9f2]
      /usr/sbin/mysqld(handle_fatal_signal+0x2d5)[0x5605cf5344c5]
      /lib/x86_64-linux-gnu/libpthread.so.0(+0x10330)[0x7f82e9574330]
      /usr/sbin/mysqld(_Z20ha_abort_transactionP3THDS0_c+0xa3)[0x5605cf53f133]
      /usr/sbin/mysqld(_Z15wsrep_abort_thdPvS_c+0x139)[0x5605cf4e5ae9]
      /usr/sbin/mysqld(_Z25wsrep_grant_mdl_exceptionP11MDL_contextP10MDL_ticketPK7MDL_key+0x2a7)[0x5605cf4d64e7]
      /usr/sbin/mysqld(_ZNK8MDL_lock14can_grant_lockE13enum_mdl_typeP11MDL_contextb+0x11f)[0x5605cf48aaaf]
      /usr/sbin/mysqld(_ZN11MDL_context21try_acquire_lock_implEP11MDL_requestPP10MDL_ticket+0xf1)[0x5605cf48b731]
      /usr/sbin/mysqld(_ZN11MDL_context12acquire_lockEP11MDL_requestd+0x2e)[0x5605cf48bc9e]
      /usr/sbin/mysqld(_ZN11MDL_context13acquire_locksEP8I_P_ListI11MDL_request16I_P_List_adapterIS1_XadL_ZNS1_12next_in_listEEEXadL_ZNS1_12prev_in_listEEEE16I_P_List_counter21I_P_List_no_push_backIS1_EEd+0xdd)[0x5605cf48c76d]
      /usr/sbin/mysqld(_Z16lock_table_namesP3THDRK14DDL_options_stP10TABLE_LISTS5_mj+0x30b)[0x5605cf36c96b]
      /usr/sbin/mysqld(_ZN22Sql_cmd_truncate_table10lock_tableEP3THDP10TABLE_LISTPb+0xda)[0x5605cf6826aa]
      /usr/sbin/mysqld(_ZN22Sql_cmd_truncate_table14truncate_tableEP3THDP10TABLE_LIST+0x73)[0x5605cf682813]
      /usr/sbin/mysqld(_ZN22Sql_cmd_truncate_table7executeEP3THD+0x56)[0x5605cf682a26]
      /usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0x1206)[0x5605cf3b02a6]
      /usr/sbin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_state+0x26d)[0x5605cf3b88cd]
      /usr/sbin/mysqld(+0x4360d9)[0x5605cf3b90d9]
      /usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcj+0x1e2b)[0x5605cf3bb5db]
      /usr/sbin/mysqld(_Z10do_commandP3THD+0x169)[0x5605cf3bc3c9]
      /usr/sbin/mysqld(_Z24do_handle_one_connectionP3THD+0x18a)[0x5605cf482c3a]
      /usr/sbin/mysqld(handle_one_connection+0x40)[0x5605cf482e10]
      /lib/x86_64-linux-gnu/libpthread.so.0(+0x8184)[0x7f82e956c184]
      /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f82e8a8b37d]
      ======= Memory map: ========
      5605cef83000-5605cfefa000 r-xp 00000000 fd:01 25657                      /usr/sbin/mysqld
      5605d00fa000-5605d01aa000 r--p 00f77000 fd:01 25657                      /usr/sbin/mysqld
      5605d01aa000-5605d025b000 rw-p 01027000 fd:01 25657                      /usr/sbin/mysqld
      5605d025b000-5605d0ad1000 rw-p 00000000 00:00 0 
      7f8086800000-7f80fc400000 rw-p 00000000 00:00 0 
      7f80fdbff000-7f80fdc00000 ---p 00000000 00:00 0 
      7f80fdc00000-7f811c000000 rw-p 00000000 00:00 0 
      7f811c3f5000-7f811c3f6000 ---p 00000000 00:00 0 
      7f811c3f6000-7f811cbf6000 rw-p 00000000 00:00 0 
      7f811cbf6000-7f811cbf7000 ---p 00000000 00:00 0 
      7f811cbf7000-7f811d3f7000 rw-p 00000000 00:00 0 
      7f811d3f7000-7f811d3f8000 ---p 00000000 00:00 0 
      7f811d3f8000-7f811dbf8000 rw-p 00000000 00:00 0 
      7f811dbf8000-7f811dbf9000 ---p 00000000 00:00 0 
      7f811dbf9000-7f811e3f9000 rw-p 00000000 00:00 0 
      7f811e3f9000-7f811e3fa000 ---p 00000000 00:00 0 
      7f811e3fa000-7f811ebfa000 rw-p 00000000 00:00 0 
      7f811ebfa000-7f811ebfb000 ---p 00000000 00:00 0 
      7f811ebfb000-7f811f3fb000 rw-p 00000000 00:00 0 
      7f811f3fb000-7f811f3fc000 ---p 00000000 00:00 0 
      7f811f3fc000-7f811fbfc000 rw-p 00000000 00:00 0 
      7f811fbfc000-7f811fbfd000 ---p 00000000 00:00 0 
      7f811fbfd000-7f81203fd000 rw-p 00000000 00:00 0 
      7f81203fd000-7f81203fe000 ---p 00000000 00:00 0 
      7f81203fe000-7f8120bfe000 rw-p 00000000 00:00 0 
      7f8120bfe000-7f8120bff000 ---p 00000000 00:00 0 
      7f8120bff000-7f81213ff000 rw-p 00000000 00:00 0 
      7f81213ff000-7f8121400000 ---p 00000000 00:00 0 
      7f8121400000-7f8129c00000 rw-p 00000000 00:00 0 
      7f8129ff6000-7f8129ff7000 ---p 00000000 00:00 0 
      7f8129ff7000-7f812a7f7000 rw-p 00000000 00:00 0 
      7f812a7f7000-7f812a7f8000 ---p 00000000 00:00 0 
      7f812a7f8000-7f812aff8000 rw-p 00000000 00:00 0 
      7f812aff8000-7f812aff9000 ---p 00000000 00:00 0 
      7f812aff9000-7f812b7f9000 rw-p 00000000 00:00 0 
      7f812b7f9000-7f812b7fa000 ---p 00000000 00:00 0 
      7f812b7fa000-7f812bffa000 rw-p 00000000 00:00 0 
      7f812bffa000-7f812bffb000 ---p 00000000 00:00 0 
      7f812bffb000-7f812c7fb000 rw-p 00000000 00:00 0 
      7f812c7fb000-7f812c7fc000 ---p 00000000 00:00 0 
      7f812c7fc000-7f812cffc000 rw-p 00000000 00:00 0 
      7f812cffc000-7f812cffd000 ---p 00000000 00:00 0 
      7f812cffd000-7f812d7fd000 rw-p 00000000 00:00 0 
      7f812d7fd000-7f812d7fe000 ---p 00000000 00:00 0 
      7f812d7fe000-7f812dffe000 rw-p 00000000 00:00 0 
      7f812dffe000-7f812dfff000 ---p 00000000 00:00 0 
      7f812dfff000-7f812e7ff000 rw-p 00000000 00:00 0 
      7f812e7ff000-7f812e800000 ---p 00000000 00:00 0 
      7f812e800000-7f8139000000 rw-p 00000000 00:00 0 
      7f8139074000-7f816a800000 rw-p 00000000 00:00 0 
      7f816a8e8000-7f81cd400000 rw-p 00000000 00:00 0 
      7f81cd4e8000-7f8230000000 rw-p 00000000 00:00 0 
      7f82300e8000-7f8292c00000 rw-p 00000000 00:00 0 
      7f8292c74000-7f82ce000000 rw-p 00000000 00:00 0 
      7f82ce33c000-7f82ce33d000 ---p 00000000 00:00 0 
      7f82ce33d000-7f82ce37d000 rw-p 00000000 00:00 0 
      7f82ce37d000-7f82ce37e000 ---p 00000000 00:00 0 
      7f82ce37e000-7f82ce3be000 rw-p 00000000 00:00 0 
      7f82ce3be000-7f82ce3bf000 ---p 00000000 00:00 0 
      7f82ce3bf000-7f82ce3ff000 rw-p 00000000 00:00 0 
      7f82ce3ff000-7f82ce400000 ---p 00000000 00:00 0 
      7f82ce400000-7f82cf000000 rw-p 00000000 00:00 0 
      7f82cf030000-7f82cf031000 ---p 00000000 00:00 0 
      7f82cf031000-7f82cf071000 rw-p 00000000 00:00 0 
      7f82cf071000-7f82cf072000 ---p 00000000 00:00 0 
      7f82cf072000-7f82cf0b2000 rw-p 00000000 00:00 0 
      7f82cf0b2000-7f82cf0b3000 ---p 00000000 00:00 0 
      7f82cf0b3000-7f82cf0f3000 rw-p 00000000 00:00 0 
      7f82cf0f3000-7f82cf0f4000 ---p 00000000 00:00 0 
      7f82cf0f4000-7f82cf134000 rw-p 00000000 00:00 0 
      7f82cf134000-7f82cf135000 ---p 00000000 00:00 0 
      7f82cf135000-7f82cf175000 rw-p 00000000 00:00 0 
      7f82cf175000-7f82cf176000 ---p 00000000 00:00 0 
      7f82cf176000-7f82cf1b6000 rw-p 00000000 00:00 0 
      7f82cf1b6000-7f82cf1b7000 ---p 00000000 00:00 0 
      7f82cf1b7000-7f82cf1f7000 rw-p 00000000 00:00 0 
      7f82cf1f7000-7f82cf1f8000 ---p 00000000 00:00 0 
      7f82cf1f8000-7f82cf238000 rw-p 00000000 00:00 0 
      7f82cf238000-7f82cf239000 ---p 00000000 00:00 0 
      7f82cf239000-7f82cf279000 rw-p 00000000 00:00 0 
      7f82cf279000-7f82cf27a000 ---p 00000000 00:00 0 
      7f82cf27a000-7f82cf2ba000 rw-p 00000000 00:00 0 
      7f82cf2ba000-7f82cf2bb000 ---p 00000000 00:00 0 
      7f82cf2bb000-7f82cf2fb000 rw-p 00000000 00:00 0 
      7f82cf2fb000-7f82cf2fc000 ---p 00000000 00:00 0 
      7f82cf2fc000-7f82cf33c000 rw-p 00000000 00:00 0 
      7f82cf33c000-7f82cf33d000 ---p 00000000 00:00 0 
      7f82cf33d000-7f82cf37d000 rw-p 00000000 00:00 0 
      7f82cf37d000-7f82cf37e000 ---p 00000000 00:00 0 
      7f82cf37e000-7f82cf3be000 rw-p 00000000 00:00 0 
      7f82cf3be000-7f82cf3bf000 ---p 00000000 00:00 0 
      7f82cf3bf000-7f82cf3ff000 rw-p 00000000 00:00 0 
      7f82cf3ff000-7f82cf400000 ---p 00000000 00:00 0 
      7f82cf400000-7f82d0c00000 rw-p 00000000 00:00 0 
      7f82d0c2f000-7f82d0c30000 ---p 00000000 00:00 0 
      7f82d0c30000-7f82d0c70000 rw-p 00000000 00:00 0 
      7f82d0c70000-7f82d0c71000 ---p 00000000 00:00 0 
      7f82d0c71000-7f82d0cb1000 rw-p 00000000 00:00 0 
      7f82d0cb1000-7f82d0cb2000 ---p 00000000 00:00 0 
      7f82d0cb2000-7f82d0cf2000 rw-p 00000000 00:00 0 
      7f82d0cf2000-7f82d0cf3000 ---p 00000000 00:00 0 
      7f82d0cf3000-7f82d0d33000 rw-p 00000000 00:00 0 
      7f82d0d33000-7f82d0d34000 ---p 00000000 00:00 0 
      7f82d0d34000-7f82d0d74000 rw-p 00000000 00:00 0 
      7f82d0d74000-7f82d0d75000 ---p 00000000 00:00 0 
      7f82d0d75000-7f82d0db5000 rw-p 00000000 00:00 0 
      7f82d0db5000-7f82d0db6000 ---p 00000000 00:00 0 
      7f82d0db6000-7f82d0df6000 rw-p 00000000 00:00 0 
      7f82d0df6000-7f82d0df7000 ---p 00000000 00:00 0 
      7f82d0df7000-7f82d0e37000 rw-p 00000000 00:00 0 
      7f82d0e37000-7f82d0e38000 ---p 00000000 00:00 0 
      7f82d0e38000-7f82d0e78000 rw-p 00000000 00:00 0 
      7f82d0e78000-7f82d0e79000 ---p 00000000 00:00 0 
      7f82d0e79000-7f82d0eb9000 rw-p 00000000 00:00 0 
      7f82d0eb9000-7f82d0eba000 ---p 00000000 00:00 0 
      7f82d0eba000-7f82d0efa000 rw-p 00000000 00:00 0 
      7f82d0efa000-7f82d0efb000 ---p 00000000 00:00 0 
      7f82d0efb000-7f82d0f3b000 rw-p 00000000 00:00 0 
      7f82d0f3b000-7f82d0f3c000 ---p 00000000 00:00 0 
      7f82d0f3c000-7f82d0f7c000 rw-p 00000000 00:00 0 
      7f82d0f7c000-7f82d0f7d000 ---p 00000000 00:00 0 
      7f82d0f7d000-7f82d0fbd000 rw-p 00000000 00:00 0 
      7f82d0fbd000-7f82d0fbe000 ---p 00000000 00:00 0 
      7f82d0fbe000-7f82d0ffe000 rw-p 00000000 00:00 0 
      7f82d0ffe000-7f82d0fff000 ---p 00000000 00:00 0 
      7f82d0fff000-7f82d17ff000 rw-p 00000000 00:00 0 
      7f82d17ff000-7f82d1800000 ---p 00000000 00:00 0 
      7f82d1800000-7f82d4800000 rw-p 00000000 00:00 0 
      7f82d481a000-7f82d481b000 ---p 00000000 00:00 0 
      7f82d481b000-7f82d485b000 rw-p 00000000 00:00 0 
      7f82d485b000-7f82d485c000 ---p 00000000 00:00 0 
      7f82d485c000-7f82d489c000 rw-p 00000000 00:00 0 
      7f82d489c000-7f82d489d000 ---p 00000000 00:00 0 
      7f82d489d000-7f82d48dd000 rw-p 00000000 00:00 0 
      7f82d48dd000-7f82d48de000 ---p 00000000 00:00 0 
      7f82d48de000-7f82d491e000 rw-p 00000000 00:00 0 
      7f82d491e000-7f82d491f000 ---p 00000000 00:00 0 
      7f82d491f000-7f82d495f000 rw-p 00000000 00:00 0 
      7f82d495f000-7f82d4960000 ---p 00000000 00:00 0 
      7f82d4960000-7f82d49a0000 rw-p 00000000 00:00 0 
      7f82d49a0000-7f82d49a1000 ---p 00000000 00:00 0 
      7f82d49a1000-7f82d49e1000 rw-p 00000000 00:00 0 
      7f82d49e1000-7f82d49e2000 ---p 00000000 00:00 0 
      7f82d49e2000-7f82d4a22000 rw-p 00000000 00:00 0 
      7f82d4a22000-7f82d4a23000 ---p 00000000 00:00 0 
      7f82d4a23000-7f82d4a63000 rw-p 00000000 00:00 0 
      7f82d4a63000-7f82d4a64000 ---p 00000000 00:00 0 
      7f82d4a64000-7f82d4aa4000 rw-p 00000000 00:00 0 
      7f82d4aa4000-7f82d4aa5000 ---p 00000000 00:00 0 
      7f82d4aa5000-7f82d4ae5000 rw-p 00000000 00:00 0 
      7f82d4ae5000-7f82d4ae6000 ---p 00000000 00:00 0 
      7f82d4ae6000-7f82d4b26000 rw-p 00000000 00:00 0 
      7f82d4b26000-7f82d4b27000 ---p 00000000 00:00 0 
      7f82d4b27000-7f82d4b67000 rw-p 00000000 00:00 0 
      7f82d4b67000-7f82d4b68000 ---p 00000000 00:00 0 
      7f82d4b68000-7f82d4ba8000 rw-p 00000000 00:00 0 
      7f82d4ba8000-7f82d4ba9000 ---p 00000000 00:00 0 
      7f82d4ba9000-7f82d53a9000 rw-p 00000000 00:00 0 
      7f82d53a9000-7f82dd3aa000 rw-s 00000000 fd:11 18                         /var/lib/mysql/galera.cache
      7f82dd3aa000-7f82dd5f7000 r-xp 00000000 fd:01 134075                     /usr/lib/galera/libgalera_smm.so
      7f82dd5f7000-7f82dd7f6000 ---p 0024d000 fd:01 134075                     /usr/lib/galera/libgalera_smm.so
      7f82dd7f6000-7f82dd7fd000 r--p 0024c000 fd:01 134075                     /usr/lib/galera/libgalera_smm.so
      7f82dd7fd000-7f82dd7ff000 rw-p 00253000 fd:01 134075                     /usr/lib/galera/libgalera_smm.so
      7f82dd7ff000-7f82ddc00000 rw-p 00000000 00:00 0 
      7f82ddc30000-7f82ddc31000 ---p 00000000 00:00 0 
      7f82ddc31000-7f82ddc71000 rw-p 00000000 00:00 0 
      7f82ddc71000-7f82ddc72000 ---p 00000000 00:00 0 
      7f82ddc72000-7f82ddcb2000 rw-p 00000000 00:00 0 
      7f82ddcb2000-7f82ddcb3000 ---p 00000000 00:00 0 
      7f82ddcb3000-7f82ddcf3000 rw-p 00000000 00:00 0 
      7f82ddcf3000-7f82ddcf4000 ---p 00000000 00:00 0 
      7f82ddcf4000-7f82ddd34000 rw-p 00000000 00:00 0 
      7f82ddd34000-7f82ddd35000 ---p 00000000 00:00 0 
      7f82ddd35000-7f82ddd75000 rw-p 00000000 00:00 0 
      7f82ddd75000-7f82ddd76000 ---p 00000000 00:00 0 
      7f82ddd76000-7f82dddb6000 rw-p 00000000 00:00 0 
      7f82dddb6000-7f82dddb7000 ---p 00000000 00:00 0 
      7f82dddb7000-7f82dddf7000 rw-p 00000000 00:00 0 
      7f82dddf7000-7f82dddf8000 ---p 00000000 00:00 0 
      7f82dddf8000-7f82dde38000 rw-p 00000000 00:00 0 
      7f82dde38000-7f82dde39000 ---p 00000000 00:00 0 
      7f82dde39000-7f82dde79000 rw-p 00000000 00:00 0 
      7f82dde79000-7f82dde7a000 ---p 00000000 00:00 0 
      7f82dde7a000-7f82ddeba000 rw-p 00000000 00:00 0 
      7f82ddeba000-7f82ddebb000 ---p 00000000 00:00 0 
      7f82ddebb000-7f82ddefb000 rw-p 00000000 00:00 0 
      7f82ddefb000-7f82ddefc000 ---p 00000000 00:00 0 
      7f82ddefc000-7f82ddf3c000 rw-p 00000000 00:00 0 
      7f82ddf3c000-7f82ddf3d000 ---p 00000000 00:00 0 
      7f82ddf3d000-7f82ddf7d000 rw-p 00000000 00:00 0 
      7f82ddf7d000-7f82ddf7e000 ---p 00000000 00:00 0 
      7f82ddf7e000-7f82ddfbe000 rw-p 00000000 00:00 0 
      7f82ddfbe000-7f82ddfbf000 ---p 00000000 00:00 0 
      7f82ddfbf000-7f82ddfff000 rw-p 00000000 00:00 0 
      7f82ddfff000-7f82de000000 ---p 00000000 00:00 0 
      7f82de000000-7f82e6800000 rw-p 00000000 00:00 0 
      7f82e6837000-7f82e6838000 ---p 00000000 00:00 0 
      7f82e6838000-7f82e6878000 rw-p 00000000 00:00 0 
      7f82e6878000-7f82e6879000 ---p 00000000 00:00 0 
      7f82e6879000-7f82e68b9000 rw-p 00000000 00:00 0 
      7f82e68b9000-7f82e68ba000 ---p 00000000 00:00 0 
      7f82e68ba000-7f82e68fa000 rw-p 00000000 00:00 0 
      7f82e68fa000-7f82e68fb000 ---p 00000000 00:00 0 
      7f82e68fb000-7f82e693b000 rw-p 00000000 00:00 0 
      7f82e693b000-7f82e693c000 ---p 00000000 00:00 0 
      7f82e693c000-7f82e697c000 rw-p 00000000 00:00 0 
      7f82e697c000-7f82e697d000 ---p 00000000 00:00 0 
      7f82e697d000-7f82e69bd000 rw-p 00000000 00:00 0 
      7f82e69bd000-7f82e69be000 ---p 00000000 00:00 0 
      7f82e69be000-7f82e69fe000 rw-p 00000000 00:00 0 
      7f82e69fe000-7f82e69ff000 ---p 00000000 00:00 0 
      7f82e69ff000-7f82e6a3f000 rw-p 00000000 00:00 0 
      7f82e6a3f000-7f82e6a40000 ---p 00000000 00:00 0 
      7f82e6a40000-7f82e6a80000 rw-p 00000000 00:00 0 
      7f82e6a80000-7f82e6a81000 ---p 00000000 00:00 0 
      7f82e6a81000-7f82e6ac1000 rw-p 00000000 00:00 0 
      7f82e6ac1000-7f82e6ac2000 ---p 00000000 00:00 0 
      7f82e6ac2000-7f82e6b02000 rw-p 00000000 00:00 0 
      7f82e6b02000-7f82e6b03000 ---p 00000000 00:00 0 
      7f82e6b03000-7f82e6b43000 rw-p 00000000 00:00 0 
      7f82e6b43000-7f82e6b44000 ---p 00000000 00:00 0 
      7f82e6b44000-7f82e6b84000 rw-p 00000000 00:00 0 
      7f82e6b84000-7f82e6b85000 ---p 00000000 00:00 0 
      7f82e6b85000-7f82e6bc5000 rw-p 00000000 00:00 0 
      7f82e6bc5000-7f82e6bcf000 r-xp 00000000 fd:01 13133                      /lib/x86_64-linux-gnu/libnss_files-2.19.so
      7f82e6bcf000-7f82e6dce000 ---p 0000a000 fd:01 13133                      /lib/x86_64-linux-gnu/libnss_files-2.19.so
      7f82e6dce000-7f82e6dcf000 r--p 00009000 fd:01 13133                      /lib/x86_64-linux-gnu/libnss_files-2.19.so
      7f82e6dcf000-7f82e6dd0000 rw-p 0000a000 fd:01 13133                      /lib/x86_64-linux-gnu/libnss_files-2.19.so
      7f82e6dd0000-7f82e6ddb000 r-xp 00000000 fd:01 12416                      /lib/x86_64-linux-gnu/libnss_nis-2.19.so
      7f82e6ddb000-7f82e6fda000 ---p 0000b000 fd:01 12416                      /lib/x86_64-linux-gnu/libnss_nis-2.19.so
      7f82e6fda000-7f82e6fdb000 r--p 0000a000 fd:01 12416                      /lib/x86_64-linux-gnu/libnss_nis-2.19.so
      7f82e6fdb000-7f82e6fdc000 rw-p 0000b000 fd:01 12416                      /lib/x86_64-linux-gnu/libnss_nis-2.19.so
      7f82e6fdc000-7f82e6ff3000 r-xp 00000000 fd:01 12189                      /lib/x86_64-linux-gnu/libnsl-2.19.so
      7f82e6ff3000-7f82e71f2000 ---p 00017000 fd:01 12189                      /lib/x86_64-linux-gnu/libnsl-2.19.so
      7f82e71f2000-7f82e71f3000 r--p 00016000 fd:01 12189                      /lib/x86_64-linux-gnu/libnsl-2.19.so
      7f82e71f3000-7f82e71f4000 rw-p 00017000 fd:01 12189                      /lib/x86_64-linux-gnu/libnsl-2.19.so
      7f82e71f4000-7f82e71f6000 rw-p 00000000 00:00 0 
      7f82e71f6000-7f82e71ff000 r-xp 00000000 fd:01 12188                      /lib/x86_64-linux-gnu/libnss_compat-2.19.so
      7f82e71ff000-7f82e73fe000 ---p 00009000 fd:01 12188                      /lib/x86_64-linux-gnu/libnss_compat-2.19.so
      7f82e73fe000-7f82e73ff000 r--p 00008000 fd:01 12188                      /lib/x86_64-linux-gnu/libnss_compat-2.19.so
      7f82e73ff000-7f82e7400000 rw-p 00009000 fd:01 12188                      /lib/x86_64-linux-gnu/libnss_compat-2.19.so
      7f82e7400000-7f82e8400000 rw-p 00000000 00:00 0 
      7f82e842e000-7f82e842f000 ---p 00000000 00:00 0 
      7f82e842f000-7f82e846f000 rw-p 00000000 00:00 0 
      7f82e846f000-7f82e8470000 ---p 00000000 00:00 0 
      7f82e8470000-7f82e84b0000 rw-p 00000000 00:00 0 
      7f82e84b0000-7f82e84b1000 ---p 00000000 00:00 0 
      7f82e84b1000-7f82e84f1000 rw-p 00000000 00:00 0 
      7f82e84f1000-7f82e84f2000 ---p 00000000 00:00 0 
      7f82e84f2000-7f82e8532000 rw-p 00000000 00:00 0 
      7f82e8532000-7f82e8533000 ---p 00000000 00:00 0 
      7f82e8533000-7f82e8573000 rw-p 00000000 00:00 0 
      7f82e8573000-7f82e8589000 r-xp 00000000 fd:01 9670                       /lib/x86_64-linux-gnu/libgcc_s.so.1
      7f82e8589000-7f82e8788000 ---p 00016000 fd:01 9670                       /lib/x86_64-linux-gnu/libgcc_s.so.1
      7f82e8788000-7f82e8789000 rw-p 00015000 fd:01 9670                       /lib/x86_64-linux-gnu/libgcc_s.so.1
      7f82e8789000-7f82e8790000 r-xp 00000000 fd:01 12457                      /lib/x86_64-linux-gnu/librt-2.19.so
      7f82e8790000-7f82e898f000 ---p 00007000 fd:01 12457                      /lib/x86_64-linux-gnu/librt-2.19.so
      7f82e898f000-7f82e8990000 r--p 00006000 fd:01 12457                      /lib/x86_64-linux-gnu/librt-2.19.so
      7f82e8990000-7f82e8991000 rw-p 00007000 fd:01 12457                      /lib/x86_64-linux-gnu/librt-2.19.so
      7f82e8991000-7f82e8b4b000 r-xp 00000000 fd:01 12524                      /lib/x86_64-linux-gnu/libc-2.19.so
      7f82e8b4b000-7f82e8d4b000 ---p 001ba000 fd:01 12524                      /lib/x86_64-linux-gnu/libc-2.19.so
      7f82e8d4b000-7f82e8d4f000 r--p 001ba000 fd:01 12524                      /lib/x86_64-linux-gnu/libc-2.19.so
      7f82e8d4f000-7f82e8d51000 rw-p 001be000 fd:01 12524                      /lib/x86_64-linux-gnu/libc-2.19.so
      7f82e8d51000-7f82e8d56000 rw-p 00000000 00:00 0 
      7f82e8d56000-7f82e8e5b000 r-xp 00000000 fd:01 12172                      /lib/x86_64-linux-gnu/libm-2.19.so
      7f82e8e5b000-7f82e905a000 ---p 00105000 fd:01 12172                      /lib/x86_64-linux-gnu/libm-2.19.so
      7f82e905a000-7f82e905b000 r--p 00104000 fd:01 12172                      /lib/x86_64-linux-gnu/libm-2.19.so
      7f82e905b000-7f82e905c000 rw-p 00105000 fd:01 12172                      /lib/x86_64-linux-gnu/libm-2.19.so
      7f82e905c000-7f82e9142000 r-xp 00000000 fd:01 9903                       /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.19
      7f82e9142000-7f82e9341000 ---p 000e6000 fd:01 9903                       /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.19
      7f82e9341000-7f82e9349000 r--p 000e5000 fd:01 9903                       /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.19
      7f82e9349000-7f82e934b000 rw-p 000ed000 fd:01 9903                       /usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.19
      7f82e934b000-7f82e9360000 rw-p 00000000 00:00 0 
      7f82e9360000-7f82e9362000 r-xp 00000000 fd:01 10336                      /lib/x86_64-linux-gnu/libsystemd-daemon.so.0.0.10
      7f82e9362000-7f82e9562000 ---p 00002000 fd:01 10336                      /lib/x86_64-linux-gnu/libsystemd-daemon.so.0.0.10
      7f82e9562000-7f82e9563000 r--p 00002000 fd:01 10336                      /lib/x86_64-linux-gnu/libsystemd-daemon.so.0.0.10
      7f82e9563000-7f82e9564000 rw-p 00003000 fd:01 10336                      /lib/x86_64-linux-gnu/libsystemd-daemon.so.0.0.10
      7f82e9564000-7f82e957d000 r-xp 00000000 fd:01 12191                      /lib/x86_64-linux-gnu/libpthread-2.19.so
      7f82e957d000-7f82e977c000 ---p 00019000 fd:01 12191                      /lib/x86_64-linux-gnu/libpthread-2.19.so
      7f82e977c000-7f82e977d000 r--p 00018000 fd:01 12191                      /lib/x86_64-linux-gnu/libpthread-2.19.so
      7f82e977d000-7f82e977e000 rw-p 00019000 fd:01 12191                      /lib/x86_64-linux-gnu/libpthread-2.19.so
      7f82e977e000-7f82e9782000 rw-p 00000000 00:00 0 
      7f82e9782000-7f82e9785000 r-xp 00000000 fd:01 12175                      /lib/x86_64-linux-gnu/libdl-2.19.so
      7f82e9785000-7f82e9984000 ---p 00003000 fd:01 12175                      /lib/x86_64-linux-gnu/libdl-2.19.so
      7f82e9984000-7f82e9985000 r--p 00002000 fd:01 12175                      /lib/x86_64-linux-gnu/libdl-2.19.so
      7f82e9985000-7f82e9986000 rw-p 00003000 fd:01 12175                      /lib/x86_64-linux-gnu/libdl-2.19.so
      7f82e9986000-7f82e9b39000 r-xp 00000000 fd:01 2266                       /lib/x86_64-linux-gnu/libcrypto.so.1.0.0
      7f82e9b39000-7f82e9d38000 ---p 001b3000 fd:01 2266                       /lib/x86_64-linux-gnu/libcrypto.so.1.0.0
      7f82e9d38000-7f82e9d53000 r--p 001b2000 fd:01 2266                       /lib/x86_64-linux-gnu/libcrypto.so.1.0.0
      7f82e9d53000-7f82e9d5e000 rw-p 001cd000 fd:01 2266                       /lib/x86_64-linux-gnu/libcrypto.so.1.0.0
      7f82e9d5e000-7f82e9d62000 rw-p 00000000 00:00 0 
      7f82e9d62000-7f82e9db7000 r-xp 00000000 fd:01 2939                       /lib/x86_64-linux-gnu/libssl.so.1.0.0
      7f82e9db7000-7f82e9fb7000 ---p 00055000 fd:01 2939                       /lib/x86_64-linux-gnu/libssl.so.1.0.0
      7f82e9fb7000-7f82e9fba000 r--p 00055000 fd:01 2939                       /lib/x86_64-linux-gnu/libssl.so.1.0.0
      7f82e9fba000-7f82e9fc1000 rw-p 00058000 fd:01 2939                       /lib/x86_64-linux-gnu/libssl.so.1.0.0
      7f82e9fc1000-7f82e9fca000 r-xp 00000000 fd:01 12181                      /lib/x86_64-linux-gnu/libcrypt-2.19.so
      7f82e9fca000-7f82ea1ca000 ---p 00009000 fd:01 12181                      /lib/x86_64-linux-gnu/libcrypt-2.19.so
      7f82ea1ca000-7f82ea1cb000 r--p 00009000 fd:01 12181                      /lib/x86_64-linux-gnu/libcrypt-2.19.so
      7f82ea1cb000-7f82ea1cc000 rw-p 0000a000 fd:01 12181                      /lib/x86_64-linux-gnu/libcrypt-2.19.so
      7f82ea1cc000-7f82ea1fa000 rw-p 00000000 00:00 0 
      7f82ea1fa000-7f82ea22a000 r-xp 00000000 fd:01 28455                      /usr/lib/x86_64-linux-gnu/libjemalloc.so.1
      7f82ea22a000-7f82ea42a000 ---p 00030000 fd:01 28455                      /usr/lib/x86_64-linux-gnu/libjemalloc.so.1
      7f82ea42a000-7f82ea42c000 r--p 00030000 fd:01 28455                      /usr/lib/x86_64-linux-gnu/libjemalloc.so.1
      7f82ea42c000-7f82ea42d000 rw-p 00032000 fd:01 28455                      /usr/lib/x86_64-linux-gnu/libjemalloc.so.1
      7f82ea42d000-7f82ea42e000 rw-p 00000000 00:00 0 
      7f82ea42e000-7f82ea446000 r-xp 00000000 fd:01 1879                       /lib/x86_64-linux-gnu/libz.so.1.2.8
      7f82ea446000-7f82ea645000 ---p 00018000 fd:01 1879                       /lib/x86_64-linux-gnu/libz.so.1.2.8
      7f82ea645000-7f82ea646000 r--p 00017000 fd:01 1879                       /lib/x86_64-linux-gnu/libz.so.1.2.8
      7f82ea646000-7f82ea647000 rw-p 00018000 fd:01 1879                       /lib/x86_64-linux-gnu/libz.so.1.2.8
      7f82ea647000-7f82ea648000 r-xp 00000000 fd:01 28269                      /lib/x86_64-linux-gnu/libaio.so.1.0.1
      7f82ea648000-7f82ea847000 ---p 00001000 fd:01 28269                      /lib/x86_64-linux-gnu/libaio.so.1.0.1
      7f82ea847000-7f82ea848000 r--p 00000000 fd:01 28269                      /lib/x86_64-linux-gnu/libaio.so.1.0.1
      7f82ea848000-7f82ea849000 rw-p 00001000 fd:01 28269                      /lib/x86_64-linux-gnu/libaio.so.1.0.1
      7f82ea849000-7f82ea86c000 r-xp 00000000 fd:01 12394                      /lib/x86_64-linux-gnu/ld-2.19.so
      7f82ea896000-7f82ea897000 rw-p 00000000 00:00 0 
      7f82ea897000-7f82ea898000 ---p 00000000 00:00 0 
      7f82ea898000-7f82ea8d8000 rw-p 00000000 00:00 0 
      7f82ea8d8000-7f82ea8d9000 ---p 00000000 00:00 0 
      7f82ea8d9000-7f82ea919000 rw-p 00000000 00:00 0 
      7f82ea919000-7f82ea91a000 ---p 00000000 00:00 0 
      7f82ea91a000-7f82ea95a000 rw-p 00000000 00:00 0 
      7f82ea95a000-7f82ea95b000 ---p 00000000 00:00 0 
      7f82ea95b000-7f82ea99b000 rw-p 00000000 00:00 0 
      7f82ea99b000-7f82ea9a1000 rw-s 00000000 fd:11 43                         /var/lib/mysql/tc.log
      7f82ea9a1000-7f82ea9a3000 rw-p 00000000 00:00 0 
      7f82ea9a3000-7f82ea9a5000 rw-s 00000000 00:0d 11257                      /[aio] (deleted)
      7f82ea9a5000-7f82ea9aa000 rw-s 00000000 00:0d 11256                      /[aio] (deleted)
      7f82ea9aa000-7f82ea9af000 rw-s 00000000 00:0d 11255                      /[aio] (deleted)
      7f82ea9af000-7f82ea9b4000 rw-s 00000000 00:0d 11254                      /[aio] (deleted)
      7f82ea9b4000-7f82ea9b9000 rw-s 00000000 00:0d 11253                      /[aio] (deleted)
      7f82ea9b9000-7f82ea9be000 rw-s 00000000 00:0d 11252                      /[aio] (deleted)
      7f82ea9be000-7f82ea9c3000 rw-s 00000000 00:0d 11251                      /[aio] (deleted)
      7f82ea9c3000-7f82ea9c8000 rw-s 00000000 00:0d 11250                      /[aio] (deleted)
      7f82ea9c8000-7f82ea9cd000 rw-s 00000000 00:0d 11249                      /[aio] (deleted)
      7f82ea9cd000-7f82ea9d2000 rw-s 00000000 00:0d 11248                      /[aio] (deleted)
      7f82ea9d2000-7f82ea9d7000 rw-s 00000000 00:0d 11247                      /[aio] (deleted)
      7f82ea9d7000-7f82ea9d8000 ---p 00000000 00:00 0 
      7f82ea9d8000-7f82eaa18000 rw-p 00000000 00:00 0 
      7f82eaa18000-7f82eaa19000 ---p 00000000 00:00 0 
      7f82eaa19000-7f82eaa63000 rw-p 00000000 00:00 0 
      7f82eaa63000-7f82eaa64000 rw-s 00000000 00:0d 11246                      /[aio] (deleted)
      7f82eaa64000-7f82eaa6b000 rw-p 00000000 00:00 0 
      7f82eaa6b000-7f82eaa6c000 r--p 00022000 fd:01 12394                      /lib/x86_64-linux-gnu/ld-2.19.so
      7f82eaa6c000-7f82eaa6d000 rw-p 00023000 fd:01 12394                      /lib/x86_64-linux-gnu/ld-2.19.so
      7f82eaa6d000-7f82eaa6e000 rw-p 00000000 00:00 0 
      7ffe09429000-7ffe0944a000 rw-p 00000000 00:00 0                          [stack]
      7ffe09567000-7ffe09569000 r--p 00000000 00:00 0                          [vvar]
      7ffe09569000-7ffe0956b000 r-xp 00000000 00:00 0                          [vdso]
      ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]
      Fatal signal 6 while backtracing
      160901 11:51:09 mysqld_safe Number of processes running now: 0
      160901 11:51:09 mysqld_safe WSREP: not restarting wsrep node automatically
      160901 11:51:09 mysqld_safe mysqld from pid file /var/run/mysqld/mysqld.pid ended
      

      A similar issue was already opened a while back and was supposedly fixed in 10.1.16: https://jira.mariadb.org/browse/MDEV-10349

      Please let me know if you need more information.

      Regards

      Nicolas

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              Assignee:
              nirbhay_c Nirbhay Choubey (Inactive)
              Reporter:
              nicolas.bigler Nicolas Bigler
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                Updated:
                Resolved: