Re: New Defects reported by Coverity Scan for PostgreSQL

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Emre Hasegeli <emre(at)hasegeli(dot)com>
Cc: Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: New Defects reported by Coverity Scan for PostgreSQL
Date: 2018-07-31 17:21:49
Message-ID: 20180731172149.kdjl3xdjjtwxaj4s@alvherre.pgsql
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-committers pgsql-hackers

Hello guys. Coverity complained about this patch as below. What, if
anything, should be done about it? One solution is to mark it as a
false-positive in Coverity, of course.

On 2018-Jul-29, scan-admin(at)coverity(dot)com wrote:

> ** CID 1438146: API usage errors (SWAPPED_ARGUMENTS)
>
>
> ________________________________________________________________________________________________________
> *** CID 1438146: API usage errors (SWAPPED_ARGUMENTS)
> /srv/coverity/git/pgsql-git/postgresql/src/backend/utils/adt/geo_ops.c: 2647 in close_lseg()
> 2641 LSEG *l1 = PG_GETARG_LSEG_P(0);
> 2642 LSEG *l2 = PG_GETARG_LSEG_P(1);
> 2643 Point *result;
> 2644
> 2645 result = (Point *) palloc(sizeof(Point));
> 2646
> >>> CID 1438146: API usage errors (SWAPPED_ARGUMENTS)
> >>> The positions of arguments in the call to "lseg_closept_lseg" do not match the ordering of the parameters:
> * "l2" is passed to "l1"
> * "l1" is passed to "l2"
> 2647 lseg_closept_lseg(result, l2, l1);
> 2648
> 2649 PG_RETURN_POINT_P(result);
> 2650 }
> 2651
> 2652

--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

In response to

Responses

Browse pgsql-committers by date

  From Date Subject
Next Message Andrew Gierth 2018-07-31 20:15:04 pgsql: Provide for contrib and pgxs modules to install include files.
Previous Message Tom Lane 2018-07-31 17:00:39 pgsql: Further fixes for quoted-list GUC values in pg_dump and ruleutil

Browse pgsql-hackers by date

  From Date Subject
Next Message Michael Paquier 2018-07-31 17:44:52 Re: BUG #15182: Canceling authentication due to timeout aka Denial of Service Attack
Previous Message Robert Haas 2018-07-31 16:55:08 Re: patch to allow disable of WAL recycling