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DB2 - Problem description

Problem IC66766 Status: Closed

db2look receives segmentation fault if COMMENT statement is created on
a stored procedure having more than 70 parameters.

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
db2look receives segmentation if it tries to generate a DDL for 
stored procedure with more than 70 parameters and comment. 
The following steps illustrate one of the scenario. 
 
1. Create a procesure with 80 parameters, then add a comment on 
the procedure. 
$ db2 connect to sample 
$ db2 "create procesure P80 (in p1 smallint, ...<params>..., in 
p80 smallint) language sql begin end" 
$ db2 "comment on P80 is 'aaaa'" 
 
2. Run db2look with -e option. 
$ db2look -d sample -e -o db2look.out 
-- No userid was specified, db2look tries to use Environment 
variable USER 
-- USER is: DB2INST1 
-- Creating DDL for table(s) 
-- Output is sent to file: db2look.out 
Segmentation fault(coredump) 
 
The stack trace shows strcmp() refers invalid address passed by 
create_comment_ddl(). 
(dbx) where 
strcmp.strcmp() at 0x100069c88 
create_comment_ddl(char*,char*,char*,char*,char,int,FILE*,int,sq 
lca*)(??, 
??, ??, ??, ??, ??, ??, ??) at 0x100022410 
create_stored_procedure_ddl(int,char*,int,char*,int,int,char,int 
,FILE*,int,sqlca*)(??, 
??, ??, ??, ??, ??, ??, ??) at 0x100044668 
create_ddl(int*,int*,int,int)(??, ??, ??, ??) at 0x100007f94 
main(??, ??) at 0x100001f74
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* software                                                     * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* db2look was giving segmentation fault for parameter more     * 
* than 70                                                      * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* upgrade to v9.7.2                                            * 
****************************************************************
Local Fix:
Please remove comment on the stored procesure(s).
available fix packs:
DB2 Version 9.7 Fix Pack 2 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 3 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 3a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 4 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows

Solution
this has been fixed in v97 fp2
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
01.03.2010
25.05.2010
25.05.2010
Problem solved at the following versions (IBM BugInfos)
9.7.2,
9.7.FP2
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.2 FixList
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