[postgis-users] Postgis 3.1.0 st_makevalid crashes the PostgreSQL Server

[Paul Ramsey]

My installation of master on both PostGIS and GEOS does not crash, but
rolling back to PostGIS 3.1.0 and GEOS master crashes. I think we should
push out a minor PostGIS release ASAP.

On Tue, Jan 26, 2021 at 3:37 AM Nicolas Ribot <nicolas.ribot at gmail.com>
wrote:

> With geos-master (3.10.0dev-CAPI-1.15.0), the buffer query from json
> polygon works and returns a valid polygon, but makevalid on empty geoms
> still crashes PG
>
> Nicolas
>
> On Tue, 26 Jan 2021 at 12:01, Nicolas Ribot <nicolas.ribot at gmail.com>
> wrote:
>
>> Hi,
>>
>> I could also reproduce it on MacOS
>> (POSTGIS="3.1.0 5e2af69" [EXTENSION] PGSQL="130"
>> GEOS="3.9.0-CAPI-1.16.2" SFCGAL="1.3.9" PROJ="7.2.0" GDAL="GDAL 3.2.0,
>> released 2020/10/26" LIBXML="2.9.4" LIBJSON="0.15" LIBPROTOBUF="1.3.3"
>> WAGYU="0.5.0 (Internal)" TOPOLOGY RASTER)
>>
>> The buffer operation returns an empty polygon.
>> Running these queries crashes the backend (server process (PID 93524) was
>> terminated by signal 6: Abort trap: 6):
>>
>> select st_makeValid(st_multi('POLYGON EMPTY'::geometry));
>> select st_makeValid('GEOMETRYCOLLECTION EMPTY'::geometry);
>> select st_makeValid('MULTIPOLYGON EMPTY'::geometry);
>>
>> Nicolas
>>
>> On Mon, 25 Jan 2021 at 11:52, Fatih Sazan <fatihsazan01 at gmail.com> wrote:
>>
>>> my postgis verison details:
>>> SELECT postgis_full_version();
>>>
>>> POSTGIS="3.1.0 5e2af69" [EXTENSION] PGSQL="130" GEOS="3.9.0-CAPI-1.16.2"
>>> PROJ="7.2.1" LIBXML="2.9.7" LIBJSON="0.13.1" LIBPROTOBUF="1.3.0"
>>> WAGYU="0.5.0 (Internal)" (core procs from "3.1.0alpha2 b6f415d" need
>>> upgrade) TOPOLOGY (topology procs from "3.1.0alpha2 b6f415d" need upgrade)
>>>
>>> Bjornar Skinnes <bjornar_skinnes at trimble.com>, 25 Oca 2021 Pzt, 11:40
>>> tarihinde şunu yazdı:
>>>
>>>> postgis/postgis:latest image today.  So I also could reproduce this
>>>> error. fyi.
>>>> POSTGIS="3.1.0 5e2af69" [EXTENSION] PGSQL="130" GEOS="3.7.1-CAPI-1.11.1
>>>> 27a5e771" PROJ="Rel. 5.2.0, September 15th, 2018" LIBXML="2.9.4"
>>>> LIBJSON="0.12.1" LIBPROTOBUF="1.3.1" WAGYU="0.5.0 (Internal)" TOPOLOGY
>>>>
>>>> man. 25. jan. 2021 kl. 09:35 skrev Sandro Santilli <strk at kbt.io>:
>>>>
>>>>> On Mon, Jan 25, 2021 at 10:19:42AM +0300, Fatih Sazan wrote:
>>>>> > When I run my code running on PostGIS version 2.5, I don't get an
>>>>> error but
>>>>> > when I run it on 3.1 it the server gives an error and enters the
>>>>> recovery
>>>>> > mode every time.
>>>>>
>>>>> > Operating System: CentOS Linux 8
>>>>> > CPE OS Name: cpe:/o:centos:centos:8
>>>>> > Kernel: Linux 4.18.0-193.28.1.el8_2.x86_64
>>>>> > Architecture: x86-64
>>>>> >
>>>>> > postgresql-13
>>>>> > extension : postgis vers. 3.1.0
>>>>>
>>>>> This should be fixed by upgrading GEOS.
>>>>> What version of GEOS are you using ?
>>>>> It should be reported by:
>>>>>
>>>>>   SELECT postgis_full_version();
>>>>>
>>>>> --strk;
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