FreeTDS Development Group

[Frediano Ziglio <freddy77 AT gmail.com>]

2013/10/31 Matt Grimm <matt.t.grimm+freetds AT gmail.com>:
> Hello,
>
> I'm having trouble with a few ODBC functions dying in nasty ways when I
> call them with any of a variety of parameters. I can reproduce the problem
> in a simple test script that does nothing more than set up a connection and
> a statement handle and call the info function. This is on 32-bit Linux
> (RHEL 5.4) with FreeTDS 0.91 and unixODBC 2.3.1.  I'm connecting to a SQL
> Server 2008 instance.
>
> SQLProcedures()/SQLProceduresW() are segfaulting and
> SQLTables()/SQLTablesW() are aborting with an assertion failure. Details
> below.
>
> Any insight you can provide is appreciated,
> m.
>
> --------------------------------------------------------------------------------
> SQLProceduresW():
>
>     Command line output:
>         Segmentation fault (core dumped)
>
>     Backtrace from core dump:
>         Program terminated with signal 11, Segmentation fault.
>         [New process 17346]
>         #0  0x00e49177 in tds_quote (tds=<value optimized out>, buffer=0x0,
> quoting=93 ']', id=0x0, len=1) at query.c:2185
>         2185    query.c: No such file or directory.
>                 in query.c
>         (gdb) bt
>         #0  0x00e49177 in tds_quote (tds=<value optimized out>, buffer=0x0,
> quoting=93 ']', id=0x0, len=1) at query.c:2185
>         #1  0x00e226a8 in odbc_stat_execute (stmt=0x829d6e8, begin=0xe5dac6
> "..sp_stored_procedures", nparams=3) at odbc.c:7049
>         #2  0x00e2389a in SQLProcedures (hstmt=0x829d6e8,
> szCatalogName=0x8048b74 "f", cbCatalogName=4, szSchemaName=0x8048b74 "f",
> cbSchemaName=4, szProcName=0x8048b74 "f", cbProcName=4) at odbc.c:1081
>         #3  0x00bcf143 in SQLProcedures (statement_handle=0x829d810,
> sz_catalog_name=0x8048b74 "f", cb_catalog_name=<value optimized out>,
> sz_schema_name=0x8048b74 "f", cb_schema_name=<value optimized out>,
> sz_proc_name=0x8048b74 "f", cb_proc_name=<value optimized out>)
>             at SQLProcedures.c:335
>         #4  0x080489db in main (argc=4, argv=0xbff77764) at
> sqlgetprocedures_test.c:104
>

Fixed MANY time ago. Packagers should update their base code.

> --------------------------------------------------------------------------------
> SQLTablesW():
>
>     Command line output:
>         sqlgettables_test: odbc.c:7089: odbc_stat_execute: Assertion `p -
> proc + 1 <= len' failed.
>         Aborted (core dumped)
>
>     Backtrace from core dump:
>         Program terminated with signal 6, Aborted.
>         [New process 19404]
>         #0  0x00cd9402 in __kernel_vsyscall ()
>         (gdb) bt
>         #0  0x00cd9402 in __kernel_vsyscall ()
>         #1  0x005addf0 in raise () from /lib/libc.so.6
>         #2  0x005af701 in abort () from /lib/libc.so.6
>         #3  0x005a726b in __assert_fail () from /lib/libc.so.6
>         #4  0x0015a969 in odbc_stat_execute (stmt=0x8c0d6e8, begin=0x195904
> "..sp_tables", nparams=4) at odbc.c:7089
>         #5  0x0015ace8 in SQLTables (hstmt=0x8c0d6e8,
> szCatalogName=0x8bfd190 "d", cbCatalogName=7, szSchemaName=0x8bdb508 "d",
> cbSchemaName=3, szTableName=0x8bdb518 "%\201l", cbTableName=1,
> szTableType=0x8bdbc00 "\220\201l", cbTableType=0) at odbc.c:6792
>         #6  0x00e2dfd2 in SQLTablesW (statement_handle=0x8c0d810,
> catalog_name=0x8048b90, name_length1=7, schema_name=0x8048b80,
> name_length2=<value optimized out>, table_name=0x8048b78, name_length3=1,
> table_type=0x8048b74, name_length4=0) at SQLTablesW.c:327
>         #7  0x080489dd in main (argc=4, argv=0xbfc82ee4) at
> sqlgettables_test.c:103


Please post calling code.

Frediano