Re: oid2name core dump

From: Michael Fuhr <mike(at)fuhr(dot)org>
To: pgsql-bugs(at)postgresql(dot)org
Subject: Re: oid2name core dump
Date: 2004-12-02 04:55:13
Message-ID: 20041202045513.GA60677@winnie.fuhr.org
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-bugs

On Wed, Dec 01, 2004 at 09:41:49PM -0700, Michael Fuhr wrote:

> The warnings are coming from these two lines (around lines 448 and 449):
>
> free(comma_oids);
> free(comma_tables);
>
> Apparently the values of comma_oids and comma_tables are bogus.
> I haven't looked more closely yet to see why.

main() initializes my_opts->oids->num and my_opts->tables->num to 0.
sql_exec_searchtables() later sets comma_oids and comma_tables with
the following code:

comma_oids = get_comma_elts(opts->oids);
comma_tables = get_comma_elts(opts->tables);

get_comma_elts() starts with the following:

if (eary->num == 0)
return "";

sql_exec_searchtables() later tries to free the pointers to "".
Program fall down go boom.

--
Michael Fuhr
http://www.fuhr.org/~mfuhr/

In response to

Browse pgsql-bugs by date

  From Date Subject
Next Message Neil Conway 2004-12-02 06:11:22 Re: oid2name core dump
Previous Message Michael Fuhr 2004-12-02 04:41:49 oid2name core dump