From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | anthony(at)xmission(dot)com, pgsql-bugs(at)postgresql(dot)org |
Subject: | Re: Bug #531: libpq: Operations following PQfinish() work. |
Date: | 2001-12-10 10:25:50 |
Message-ID: | 200112101025.fBAAPoa03030@candle.pha.pa.us |
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Lists: | pgsql-bugs |
This is an interesting question. Should we clear these variables for
safety. I can't think of any other software that does this.
---------------------------------------------------------------------------
> Anthony Chavez (anthony(at)xmission(dot)com) reports a bug with a severity of 4
> The lower the number the more severe it is.
>
> Short Description
> libpq: Operations following PQfinish() work.
>
> Long Description
> The PGconn *conn argument to PQfinish() is not set to NULL. As a result, calling libpq functions---in particular, PQexec()---after PQfinish() has been called, continue to work until the following segmentation fault occurs:
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x4044dec7 in resetPQExpBuffer () from /usr/lib/libpq.so.2
>
> This can be misleading, and it may be wise to set conn = NULL before PQfinish() returns.
>
> Environment: PostgreSQL 7.1.3 / RedHat Linux 7.1.
>
>
> Sample Code
>
>
> No file was uploaded with this report
>
>
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--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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