Re: BUG #16330: psql accesses null pointer in connect.c:do_connect

Michael Paquier <michael@paquier.xyz>

From: Michael Paquier <michael@paquier.xyz>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, hghwng@gmail.com, pgsql-bugs@lists.postgresql.org
Date: 2020-03-31T07:21:53Z
Lists: pgsql-bugs

Attachments

On Mon, Mar 30, 2020 at 12:48:51PM -0300, Alvaro Herrera wrote:
> On 2020-Mar-30, Tom Lane wrote:
>> It looks to me like there's a similar hazard a bit further down
>> (line 3029):
>> 
>> 		appendConnStrVal(&connstr, PQdb(o_conn));
>> 
>> I wonder if we should force reuse_previous to false if there's
>> no o_conn, rather than fixing this stuff piecemeal.
> 
> That was my impression too.

Good point.  What do you think about the attached then?
--
Michael

Commits

  1. Fix crash in psql when attempting to reuse old connection

  2. psql: Show IP address in \conninfo