Re: [BUGS] BUG #14683: *** glibc detected *** SELECT: double freeor corruption

Hi Michael,

In fact I have noticed that the other error is different:-

*** glibc detected *** postgres: postgres etms 172.30.8.63(53338) SELECT: corrupted double-linked list:
0x00000000034119a0***
 
2017-05-31 04:04:41 BST [2703]: [7195-1] user=postgres,db=etms,app=[unknown],client=172.30.8.67 LOG:  duration: 15.793
ms statement: SELECT playback.uuid AS playback_uuid, playback.created AS playback_created, playback.last_modified AS
 
playback_last_modified, playback.deleted AS playback_deleted, playback.complex_id AS playback_complex_id,
playback.startAS playback_start, playback."end" AS playback_end, playback.duration AS playback_duration,
playback.intermission_sta
rt AS playback_intermission_start, playback.intermission_end AS playback_intermission_end, playback.accuracy AS
playback_accuracy,playback.screen_identifier AS playback_screen_identifier, playback.dnqualifier AS
playback_dnqualifier,pl
 
ayback.device_ip_address AS playback_device_ip_address, playback.serial AS playback_serial, playback.complex_identifier
ASplayback_complex_identifier, playback.feature_cpl_uuid AS playback_feature_cpl_uuid, playback.cpl_uuid AS playback
 
_cpl_uuid, playback.merge_error_code AS playback_merge_error_code, playback.worst_confidence_level AS
playback_worst_confidence_level,playback.verified AS playback_verified, playback.tms_last_modified AS
playback_tms_last_modified,play
 
back.tms_version AS playback_tms_version, playback.pack_uuid AS playback_pack_uuid, playback.pos_uuid AS
playback_pos_uuid,playback.seats_sold AS playback_seats_sold, playback.meta AS playback_meta, playback.seq_id AS
playback_seq_id      FROM playback       WHERE playback.uuid = '89cb645e-72e4-4570-add8-c797a1391e76'
 
2017-05-31 04:04:41 BST [8011]: [1350-1] user=postgres,db=etms,app=[unknown],client=172.30.8.67 LOG:  duration: 15.925
ms statement: SELECT playback.uuid AS playback_uuid, playback.created AS playback_created, playback.last_modified AS
 
playback_last_modified, playback.deleted AS playback_deleted, playback.complex_id AS playback_complex_id,
playback.startAS playback_start, playback."end" AS playback_end, playback.duration AS playback_duration,
playback.intermission_sta
rt AS playback_intermission_start, playback.intermission_end AS playback_intermission_end, playback.accuracy AS
playback_accuracy,playback.screen_identifier AS playback_screen_identifier, playback.dnqualifier AS
playback_dnqualifier,pl
 
ayback.device_ip_address AS playback_device_ip_address, playback.serial AS playback_serial, playback.complex_identifier
ASplayback_complex_identifier, playback.feature_cpl_uuid AS playback_feature_cpl_uuid, playback.cpl_uuid AS playback
 
_cpl_uuid, playback.merge_error_code AS playback_merge_error_code, playback.worst_confidence_level AS
playback_worst_confidence_level,playback.verified AS playback_verified, playback.tms_last_modified AS
playback_tms_last_modified,play
 
back.tms_version AS playback_tms_version, playback.pack_uuid AS playback_pack_uuid, playback.pos_uuid AS
playback_pos_uuid,playback.seats_sold AS playback_seats_sold, playback.meta AS playback_meta, playback.seq_id AS
playback_seq_id      FROM playback       WHERE playback.uuid = '1f29ddf2-3266-495e-ac33-2a21d00e4a1d'
 
======= Backtrace: =========
/lib64/libc.so.6(+0x75dee)[0x7f1d6ba7edee]
/lib64/libc.so.6(+0x78ff6)[0x7f1d6ba81ff6]
/lib64/libc.so.6(+0x7babe)[0x7f1d6ba84abe]
/lib64/libc.so.6(realloc+0x158)[0x7f1d6ba84f08]
postgres: postgres etms 172.30.8.63(53338) SELECT[0x7c8d72]
postgres: postgres etms 172.30.8.63(53338) SELECT(repalloc+0x25)[0x7c9295]
postgres: postgres etms 172.30.8.63(53338) SELECT(enlargeStringInfo+0x4e)[0x5e505e]
postgres: postgres etms 172.30.8.63(53338) SELECT(appendStringInfoChar+0x28)[0x5e5178]
postgres: postgres etms 172.30.8.63(53338) SELECT[0x7a6724]
postgres: postgres etms 172.30.8.63(53338) SELECT(EmitErrorReport+0xa2f)[0x7a963f]
postgres: postgres etms 172.30.8.63(53338) SELECT(errfinish+0x8d)[0x7a97dd]
postgres: postgres etms 172.30.8.63(53338) SELECT(FileClose+0x1c5)[0x6966d5]
postgres: postgres etms 172.30.8.63(53338) SELECT(BufFileClose+0x32)[0x698652]
postgres: postgres etms 172.30.8.63(53338) SELECT(ExecHashJoin+0x31b)[0x5ce60b]
postgres: postgres etms 172.30.8.63(53338) SELECT(ExecProcNode+0x168)[0x5bc9f8]
postgres: postgres etms 172.30.8.63(53338) SELECT(ExecSort+0xf9)[0x5d86c9]
postgres: postgres etms 172.30.8.63(53338) SELECT(ExecProcNode+0x148)[0x5bc9d8]
postgres: postgres etms 172.30.8.63(53338) SELECT(ExecLimit+0xa8)[0x5d13a8]
postgres: postgres etms 172.30.8.63(53338) SELECT(ExecProcNode+0x90)[0x5bc920]
postgres: postgres etms 172.30.8.63(53338) SELECT(standard_ExecutorRun+0xd2)[0x5bb2c2]
/usr/pgsql-9.5/lib/pg_stat_statements.so(+0x448b)[0x7f1d62b2848b]
postgres: postgres etms 172.30.8.63(53338) SELECT[0x6bd417]
postgres: postgres etms 172.30.8.63(53338) SELECT(PortalRun+0x188)[0x6be5d8]
postgres: postgres etms 172.30.8.63(53338) SELECT[0x6bb3be]
postgres: postgres etms 172.30.8.63(53338) SELECT(PostgresMain+0xd35)[0x6bca25]
postgres: postgres etms 172.30.8.63(53338) SELECT(PostmasterMain+0x1875)[0x663165]
postgres: postgres etms 172.30.8.63(53338) SELECT(main+0x7a8)[0x5f4b28]
/lib64/libc.so.6(__libc_start_main+0xfd)[0x7f1d6ba27d1d]
postgres: postgres etms 172.30.8.63(53338) SELECT[0x467549]
======= Memory map: ========
00400000-009cf000 r-xp 00000000 fd:01 788841                             /usr/pgsql-9.5/bin/postgres
00bcf000-00bdc000 rw-p 005cf000 fd:01 788841                             /usr/pgsql-9.5/bin/postgres
00bdc000-00c2b000 rw-p 00000000 00:00 0
0173e000-01785000 rw-p 00000000 00:00 0
01785000-0362a000 rw-p 00000000 00:00 0
7f1b0c000000-7f1b0c021000 rw-p 00000000 00:00 0
7f1b0c021000-7f1b10000000 ---p 00000000 00:00 0
7f1b12280000-7f1b12296000 r-xp 00000000 fd:01 1308180                    /lib64/libgcc_s-4.4.7-20120601.so.1
7f1b12296000-7f1b12495000 ---p 00016000 fd:01 1308180                    /lib64/libgcc_s-4.4.7-20120601.so.1
7f1b12495000-7f1b12496000 rw-p 00015000 fd:01 1308180                    /lib64/libgcc_s-4.4.7-20120601.so.1
7f1b12496000-7f1b124a3000 r-xp 00000000 fd:01 1308307                    /lib64/libnss_files-2.12.so
7f1b124a3000-7f1b126a2000 ---p 0000d000 fd:01 1308307                    /lib64/libnss_files-2.12.so
7f1b126a2000-7f1b126a3000 r--p 0000c000 fd:01 1308307                    /lib64/libnss_files-2.12.so
7f1b126a3000-7f1b126a4000 rw-p 0000d000 fd:01 1308307                    /lib64/libnss_files-2.12.so
7f1b126a4000-7f1d62b24000 rw-s 00000000 00:04 492918692                  /dev/zero (deleted)
7f1d62b24000-7f1d62b2c000 r-xp 00000000 fd:01 659776                     /usr/pgsql-9.5/lib/pg_stat_statements.so
7f1d62b2c000-7f1d62d2b000 ---p 00008000 fd:01 659776                     /usr/pgsql-9.5/lib/pg_stat_statements.so
7f1d62d2b000-7f1d62d2c000 rw-p 00007000 fd:01 659776                     /usr/pgsql-9.5/lib/pg_stat_statements.so
7f1d62d2c000-7f1d68bc1000 r--p 00000000 fd:01 659094                     /usr/lib/locale/locale-archive
7f1d68bc1000-7f1d68bde000 r-xp 00000000 fd:01 1308211                    /lib64/libselinux.so.1
7f1d68bde000-7f1d68ddd000 ---p 0001d000 fd:01 1308211                    /lib64/libselinux.so.1
7f1d68ddd000-7f1d68dde000 r--p 0001c000 fd:01 1308211                    /lib64/libselinux.so.1
7f1d68dde000-7f1d68ddf000 rw-p 0001d000 fd:01 1308211                    /lib64/libselinux.so.1
7f1d68ddf000-7f1d68de0000 rw-p 00000000 00:00 0
7f1d68de0000-7f1d68de2000 r-xp 00000000 fd:01 1308204                    /lib64/libfreebl3.so
7f1d68de2000-7f1d68fe1000 ---p 00002000 fd:01 1308204                    /lib64/libfreebl3.so
7f1d68fe1000-7f1d68fe2000 r--p 00001000 fd:01 1308204                    /lib64/libfreebl3.so
7f1d68fe2000-7f1d68fe3000 rw-p 00002000 fd:01 1308204                    /lib64/libfreebl3.so
7f1d68fe3000-7f1d6901c000 r-xp 00000000 fd:01 1308378                    /lib64/libnspr4.so
7f1d6901c000-7f1d6921c000 ---p 00039000 fd:01 1308378                    /lib64/libnspr4.so
7f1d6921c000-7f1d6921d000 r--p 00039000 fd:01 1308378                    /lib64/libnspr4.so
7f1d6921d000-7f1d6921f000 rw-p 0003a000 fd:01 1308378                    /lib64/libnspr4.so
7f1d6921f000-7f1d69221000 rw-p 00000000 00:00 0
7f1d69221000-7f1d69225000 r-xp 00000000 fd:01 1308380                    /lib64/libplc4.so
7f1d69225000-7f1d69424000 ---p 00004000 fd:01 1308380                    /lib64/libplc4.so
7f1d69424000-7f1d69425000 r--p 00003000 fd:01 1308380                    /lib64/libplc4.so
7f1d69425000-7f1d69426000 rw-p 00004000 fd:01 1308380                    /lib64/libplc4.so
7f1d69426000-7f1d69429000 r-xp 00000000 fd:01 1308382                    /lib64/libplds4.so
7f1d69429000-7f1d69628000 ---p 00003000 fd:01 1308382                    /lib64/libplds4.so
7f1d69628000-7f1d69629000 r--p 00002000 fd:01 1308382                    /lib64/libplds4.so
7f1d69629000-7f1d6962a000 rw-p 00003000 fd:01 1308382                    /lib64/libplds4.so
7f1d6962a000-7f1d69650000 r-xp 00000000 fd:01 656260                     /usr/lib64/libnssutil3.so
7f1d69650000-7f1d6984f000 ---p 00026000 fd:01 656260                     /usr/lib64/libnssutil3.so
7f1d6984f000-7f1d69856000 r--p 00025000 fd:01 656260                     /usr/lib64/libnssutil3.so
7f1d69856000-7f1d69857000 rw-p 0002c000 fd:01 656260                     /usr/lib64/libnssutil3.so
7f1d69857000-7f1d69991000 r-xp 00000000 fd:01 656907                     /usr/lib64/libnss3.so
7f1d69991000-7f1d69b90000 ---p 0013a000 fd:01 656907                     /usr/lib64/libnss3.so
7f1d69b90000-7f1d69b96000 r--p 00139000 fd:01 656907                     /usr/lib64/libnss3.so
7f1d69b96000-7f1d69b98000 rw-p 0013f000 fd:01 656907                     /usr/lib64/libnss3.so
7f1d69b98000-7f1d69b9a000 rw-p 00000000 00:00 0
7f1d69b9a000-7f1d69bc2000 r-xp 00000000 fd:01 659119                     /usr/lib64/libsmime3.so
7f1d69bc2000-7f1d69dc1000 ---p 00028000 fd:01 659119                     /usr/lib64/libsmime3.so
7f1d69dc1000-7f1d69dc5000 r--p 00027000 fd:01 659119                     /usr/lib64/libsmime3.so
7f1d69dc5000-7f1d69dc6000 rw-p 0002b000 fd:01 659119                     /usr/lib64/libsmime3.so
7f1d69dc6000-7f1d69e0d000 r-xp 00000000 fd:01 659120                     /usr/lib64/libssl3.so
7f1d69e0d000-7f1d6a00d000 ---p 00047000 fd:01 659120                     /usr/lib64/libssl3.so
7f1d6a00d000-7f1d6a011000 r--p 00047000 fd:01 659120                     /usr/lib64/libssl3.so
7f1d6a011000-7f1d6a012000 rw-p 0004b000 fd:01 659120                     /usr/lib64/libssl3.so
7f1d6a012000-7f1d6a013000 rw-p 00000000 00:00 0
7f1d6a013000-7f1d6a02c000 r-xp 00000000 fd:01 655285                     /usr/lib64/libsasl2.so.2.0.23
7f1d6a02c000-7f1d6a22b000 ---p 00019000 fd:01 655285                     /usr/lib64/libsasl2.so.2.0.23
7f1d6a22b000-7f1d6a22c000 r--p 00018000 fd:01 655285                     /usr/lib64/libsasl2.so.2.0.23
7f1d6a22c000-7f1d6a22d000 rw-p 00019000 fd:01 655285                     /usr/lib64/libsasl2.so.2.0.23
7f1d6a22d000-7f1d6a23b000 r-xp 00000000 fd:01 1308168                    /lib64/liblber-2.4.so.2.10.3
7f1d6a23b000-7f1d6a43a000 ---p 0000e000 fd:01 1308168                    /lib64/liblber-2.4.so.2.10.3
7f1d6a43a000-7f1d6a43b000 r--p 0000d000 fd:01 1308168                    /lib64/liblber-2.4.so.2.10.3
7f1d6a43b000-7f1d6a43c000 rw-p 0000e000 fd:01 1308168                    /lib64/liblber-2.4.so.2.10.3
7f1d6a43c000-7f1d6a453000 r-xp 00000000 fd:01 1308197                    /lib64/libpthread-2.12.so
7f1d6a453000-7f1d6a653000 ---p 00017000 fd:01 1308197                    /lib64/libpthread-2.12.so
7f1d6a653000-7f1d6a654000 r--p 00017000 fd:01 1308197                    /lib64/libpthread-2.12.so
7f1d6a654000-7f1d6a655000 rw-p 00018000 fd:01 1308197                    /lib64/libpthread-2.12.so
7f1d6a655000-7f1d6a659000 rw-p 00000000 00:00 0
7f1d6a659000-7f1d6a66f000 r-xp 00000000 fd:01 1308318                    /lib64/libresolv-2.12.so
7f1d6a66f000-7f1d6a86f000 ---p 00016000 fd:01 1308318                    /lib64/libresolv-2.12.so
7f1d6a86f000-7f1d6a870000 r--p 00016000 fd:01 1308318                    /lib64/libresolv-2.12.so
7f1d6a870000-7f1d6a871000 rw-p 00017000 fd:01 1308318                    /lib64/libresolv-2.12.so
7f1d6a871000-7f1d6a873000 rw-p 00000000 00:00 0
7f1d6a873000-7f1d6a875000 r-xp 00000000 fd:01 1308340                    /lib64/libkeyutils.so.1.3
7f1d6a875000-7f1d6aa74000 ---p 00002000 fd:01 1308340                    /lib64/libkeyutils.so.1.3
7f1d6aa74000-7f1d6aa75000 r--p 00001000 fd:01 1308340                    /lib64/libkeyutils.so.1.3
7f1d6aa75000-7f1d6aa76000 rw-p 00002000 fd:01 1308340                    /lib64/libkeyutils.so.1.3
7f1d6aa76000-7f1d6aa80000 r-xp 00000000 fd:01 1308358                    /lib64/libkrb5support.so.0.1
7f1d6aa80000-7f1d6ac7f000 ---p 0000a000 fd:01 1308358                    /lib64/libkrb5support.so.0.1
7f1d6ac7f000-7f1d6ac80000 r--p 00009000 fd:01 1308358                    /lib64/libkrb5support.so.0.1
7f1d6ac80000-7f1d6ac81000 rw-p 0000a000 fd:01 1308358                    /lib64/libkrb5support.so.0.1
7f1d6ac81000-7f1d6acaa000 r-xp 00000000 fd:01 1308344                    /lib64/libk5crypto.so.3.1
7f1d6acaa000-7f1d6aeaa000 ---p 00029000 fd:01 1308344                    /lib64/libk5crypto.so.3.1
7f1d6aeaa000-7f1d6aeab000 r--p 00029000 fd:01 1308344                    /lib64/libk5crypto.so.3.1
7f1d6aeab000-7f1d6aeac000 rw-p 0002a000 fd:01 1308344                    /lib64/libk5crypto.so.3.1
7f1d6aeac000-7f1d6aead000 rw-p 00000000 00:00 0
7f1d6aead000-7f1d6aeb0000 r-xp 00000000 fd:01 1308233                    /lib64/libcom_err.so.2.1
7f1d6aeb0000-7f1d6b0af000 ---p 00003000 fd:01 1308233                    /lib64/libcom_err.so.2.1
7f1d6b0af000-7f1d6b0b0000 r--p 00002000 fd:01 1308233                    /lib64/libcom_err.so.2.1
7f1d6b0b0000-7f1d6b0b1000 rw-p 00003000 fd:01 1308233                    /lib64/libcom_err.so.2.1
7f1d6b0b1000-7f1d6b18d000 r-xp 00000000 fd:01 1308355                    /lib64/libkrb5.so.3.3
7f1d6b18d000-7f1d6b38c000 ---p 000dc000 fd:01 1308355                    /lib64/libkrb5.so.3.3
7f1d6b38c000-7f1d6b396000 r--p 000db000 fd:01 1308355                    /lib64/libkrb5.so.3.3
7f1d6b396000-7f1d6b398000 rw-p 000e5000 fd:01 1308355                    /lib64/libkrb5.so.3.3
7f1d6b398000-7f1d6b39f000 r-xp 00000000 fd:01 1308177                    /lib64/libcrypt-2.12.so
7f1d6b39f000-7f1d6b59f000 ---p 00007000 fd:01 1308177                    /lib64/libcrypt-2.12.so
7f1d6b59f000-7f1d6b5a0000 r--p 00007000 fd:01 1308177                    /lib64/libcrypt-2.12.so
7f1d6b5a0000-7f1d6b5a1000 rw-p 00008000 fd:01 1308177                    /lib64/libcrypt-2.12.so
7f1d6b5a1000-7f1d6b5cf000 rw-p 00000000 00:00 0
7f1d6b5cf000-7f1d6b5e7000 r-xp 00000000 fd:01 1308482                    /lib64/libaudit.so.1.0.0
7f1d6b5e7000-7f1d6b7e6000 ---p 00018000 fd:01 1308482                    /lib64/libaudit.so.1.0.0
7f1d6b7e6000-7f1d6b7e8000 r--p 00017000 fd:01 1308482                    /lib64/libaudit.so.1.0.0
7f1d6b7e8000-7f1d6b7f3000 rw-p 00019000 fd:01 1308482                    /lib64/libaudit.so.1.0.0
7f1d6b7f3000-7f1d6b808000 r-xp 00000000 fd:01 1308226                    /lib64/libz.so.1.2.3
7f1d6b808000-7f1d6ba07000 ---p 00015000 fd:01 1308226                    /lib64/libz.so.1.2.3
7f1d6ba07000-7f1d6ba08000 r--p 00014000 fd:01 1308226                    /lib64/libz.so.1.2.3
7f1d6ba08000-7f1d6ba09000 rw-p 00015000 fd:01 1308226                    /lib64/libz.so.1.2.3
7f1d6ba09000-7f1d6bb93000 r-xp 00000000 fd:01 1308173                    /lib64/libc-2.12.so
7f1d6bb93000-7f1d6bd93000 ---p 0018a000 fd:01 1308173                    /lib64/libc-2.12.so
7f1d6bd93000-7f1d6bd97000 r--p 0018a000 fd:01 1308173                    /lib64/libc-2.12.so
7f1d6bd97000-7f1d6bd99000 rw-p 0018e000 fd:01 1308173                    /lib64/libc-2.12.so
7f1d6bd99000-7f1d6bd9d000 rw-p 00000000 00:00 0
7f1d6bd9d000-7f1d6bdeb000 r-xp 00000000 fd:01 1308613                    /lib64/libldap-2.4.so.2.10.3
7f1d6bdeb000-7f1d6bfea000 ---p 0004e000 fd:01 1308613                    /lib64/libldap-2.4.so.2.10.3
7f1d6bfea000-7f1d6bfec000 r--p 0004d000 fd:01 1308613                    /lib64/libldap-2.4.so.2.10.3
7f1d6bfec000-7f1d6bfee000 rw-p 0004f000 fd:01 1308613                    /lib64/libldap-2.4.so.2.10.3
7f1d6bfee000-7f1d6c071000 r-xp 00000000 fd:01 1308290                    /lib64/libm-2.12.so
7f1d6c071000-7f1d6c270000 ---p 00083000 fd:01 1308290                    /lib64/libm-2.12.so
7f1d6c270000-7f1d6c271000 r--p 00082000 fd:01 1308290                    /lib64/libm-2.12.so
7f1d6c271000-7f1d6c272000 rw-p 00083000 fd:01 1308290                    /lib64/libm-2.12.so
7f1d6c272000-7f1d6c274000 r-xp 00000000 fd:01 1308282                    /lib64/libdl-2.12.so
7f1d6c274000-7f1d6c474000 ---p 00002000 fd:01 1308282                    /lib64/libdl-2.12.so
7f1d6c474000-7f1d6c475000 r--p 00002000 fd:01 1308282                    /lib64/libdl-2.12.so
7f1d6c475000-7f1d6c476000 rw-p 00003000 fd:01 1308282                    /lib64/libdl-2.12.so
7f1d6c476000-7f1d6c47d000 r-xp 00000000 fd:01 1308320                    /lib64/librt-2.12.so
7f1d6c47d000-7f1d6c67c000 ---p 00007000 fd:01 1308320                    /lib64/librt-2.12.so
7f1d6c67c000-7f1d6c67d000 r--p 00006000 fd:01 1308320                    /lib64/librt-2.12.so
7f1d6c67d000-7f1d6c67e000 rw-p 00007000 fd:01 1308320                    /lib64/librt-2.12.so
7f1d6c67e000-7f1d6c6bf000 r-xp 00000000 fd:01 1308350                    /lib64/libgssapi_krb5.so.2.2
7f1d6c6bf000-7f1d6c8bf000 ---p 00041000 fd:01 1308350                    /lib64/libgssapi_krb5.so.2.2
7f1d6c8bf000-7f1d6c8c0000 r--p 00041000 fd:01 1308350                    /lib64/libgssapi_krb5.so.2.2
7f1d6c8c0000-7f1d6c8c2000 rw-p 00042000 fd:01 1308350                    /lib64/libgssapi_krb5.so.2.2
7f1d6c8c2000-7f1d6ca7c000 r-xp 00000000 fd:01 656262                     /usr/lib64/libcrypto.so.1.0.1e
7f1d6ca7c000-7f1d6cc7c000 ---p 001ba000 fd:01 656262                     /usr/lib64/libcrypto.so.1.0.1e
7f1d6cc7c000-7f1d6cc97000 r--p 001ba000 fd:01 656262                     /usr/lib64/libcrypto.so.1.0.1e
7f1d6cc97000-7f1d6cca3000 rw-p 001d5000 fd:01 656262                     /usr/lib64/libcrypto.so.1.0.1e
7f1d6cca3000-7f1d6cca7000 rw-p 00000000 00:00 0
7f1d6cca7000-7f1d6cd09000 r-xp 00000000 fd:01 659112                     /usr/lib64/libssl.so.1.0.1e
7f1d6cd09000-7f1d6cf09000 ---p 00062000 fd:01 659112                     /usr/lib64/libssl.so.1.0.1e
7f1d6cf09000-7f1d6cf0d000 r--p 00062000 fd:01 659112                     /usr/lib64/libssl.so.1.0.1e
7f1d6cf0d000-7f1d6cf13000 rw-p 00066000 fd:01 659112                     /usr/lib64/libssl.so.1.0.1e
7f1d6cf13000-7f1d6cf1f000 r-xp 00000000 fd:01 1308338                    /lib64/libpam.so.0.82.2
7f1d6cf1f000-7f1d6d11f000 ---p 0000c000 fd:01 1308338                    /lib64/libpam.so.0.82.2
7f1d6d11f000-7f1d6d120000 r--p 0000c000 fd:01 1308338                    /lib64/libpam.so.0.82.2
7f1d6d120000-7f1d6d121000 rw-p 0000d000 fd:01 1308338                    /lib64/libpam.so.0.82.2
7f1d6d121000-7f1d6d26a000 r-xp 00000000 fd:01 655397                     /usr/lib64/libxml2.so.2.7.6
7f1d6d26a000-7f1d6d469000 ---p 00149000 fd:01 655397                     /usr/lib64/libxml2.so.2.7.6
7f1d6d469000-7f1d6d473000 rw-p 00148000 fd:01 655397                     /usr/lib64/libxml2.so.2.7.6
7f1d6d473000-7f1d6d474000 rw-p 00000000 00:00 0
7f1d6d474000-7f1d6d494000 r-xp 00000000 fd:01 1308202                    /lib64/ld-2.12.so
7f1d6d498000-7f1d6d61a000 rw-p 00000000 00:00 0
7f1d6d63b000-7f1d6d67c000 rw-p 00000000 00:00 0
7f1d6d67c000-7f1d6d68d000 rw-p 00000000 00:00 0
7f1d6d68e000-7f1d6d68f000 rw-p 00000000 00:00 0
7f1d6d68f000-7f1d6d691000 rw-s 00000000 00:0f 492918696                  /dev/shm/PostgreSQL.1856781077
7f1d6d691000-7f1d6d692000 rw-s 00000000 00:04 229377                     /SYSV0052e2c1 (deleted)
7f1d6d692000-7f1d6d693000 rw-p 00000000 00:00 0
7f1d6d693000-7f1d6d695000 r--p 0001f000 fd:01 1308202                    /lib64/ld-2.12.so
7f1d6d695000-7f1d6d696000 rw-p 00021000 fd:01 1308202                    /lib64/ld-2.12.so
7f1d6d696000-7f1d6d697000 rw-p 00000000 00:00 0
7ffd0ee14000-7ffd0ee29000 rw-p 00000000 00:00 0                          [stack]
7ffd0efc1000-7ffd0efc2000 r-xp 00000000 00:00 0                          [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]




-----Original Message-----
From: Michael Paquier [mailto:michael.paquier@gmail.com] 
Sent: 02 June 2017 02:18
To: Ray Warren
Cc: PostgreSQL mailing lists
Subject: Re: [BUGS] BUG #14683: *** glibc detected *** SELECT: double free or corruption

On Thu, Jun 1, 2017 at 1:11 AM,  <ray.warren@artsalliancemedia.com> wrote:
> We are experiencing some performance issues and we had this error on Sunday.
> Not sure whether the 2 things are related or not as we have been 
> making some changes to the application and load. However, I assume the 
> double free or corruption error is a bug?

Could you come up with a self-contained test case? It will be difficult to dig into this issue otherwise.
--
Michael

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