Horton

Thread

Commits

  1. Make pg_regexec() robust against out-of-range search_start.

  1. new regexp_*(text, text, int) functions crash

    Jaime Casanova <jcasanov@systemguards.com.ec> — 2021-09-11T18:03:57Z

    Hi,

BTW, this only happens when the third parameter is large. Here is an
example that consistently crash here:

select regexp_count('jaime.casanova', 'valid', 102481);

-- 
Jaime Casanova
Director de Servicios Profesionales
SystemGuards - Consultores de PostgreSQL

  2. Re: new regexp_*(text, text, int) functions crash

    Tom Lane <tgl@sss.pgh.pa.us> — 2021-09-11T18:42:42Z

    Jaime Casanova <jcasanov@systemguards.com.ec> writes:
> BTW, this only happens when the third parameter is large. Here is an
> example that consistently crash here:
> select regexp_count('jaime.casanova', 'valid', 102481);

Hah ... pg_regexec has never had a check that the search start position
is sane.  Will fix.

			regards, tom lane