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Informix - Problem description

Problem IT31506 Status: Closed

RUNNING A SPECIFIC QUERY RETURNING IN MEMORY CORRUPTIONS, INVALID MUTEX
TYPES OR AN EXCEPTION IN GROUPCOPYFUNC

product:
INFORMIX SERVER / 5725A3900 / E10 - 
Problem description:
When running a quite specific query with a sophisticates logic
in the select list
containing case expression combined with nested build in
functions but having a
simple select on a few tables with a group and a order cause
memory corruption
messages during the execution or at the cleanup.

When setting up Memory scribbling the query showed an exception
in the stack

0x00000000014e545d (oninit) afstack
0x00000000014eb021 (oninit) mt_ex_throw_sig
0x00000000014f9398 (oninit) afsig_handler
0x00007fedec8bdb10 (Linux) 
0x00007fedeb73551f (/lib64/libc-2.22.so) __memmove_avx_unaligned
0x0000000000c000fd (oninit) groupcopyfunc
0x0000000000c06100 (oninit) ha_insrt_hashtab_or_ovrfl_page
0x0000000000c01591 (oninit) initgrpcols
0x0000000000c0411b (oninit) group_open
0x00000000008c9e19 (oninit) sort_open
0x00000000008a2a21 (oninit) prepselect
0x0000000000ada7bb (oninit) open_cursor
0x0000000000af3aea (oninit) sq_open
0x0000000000bc6afe (oninit) sqmain
0x000000000161400a (oninit) spawn_thread
0x00000000014d6122 (oninit) th_init_initgls
0x000000000151c55f (oninit) startup
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix Server prior to 12.10.xC14 and 14.10.xC4.  *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Update to Informix Server 12.10.xC14 or 14.10.xC4 (when      *
* available).                                                  *
****************************************************************
Local Fix:
Solution
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
14.01.2020
04.03.2020
04.03.2020
Problem solved at the following versions (IBM BugInfos)
12.10.xC14,
14.10.xC4
Problem solved according to the fixlist(s) of the following version(s)
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