Horton

Re: BUG #16801: Invalid memory access on WITH RECURSIVE with nested WITHs

Michael Paquier <michael@paquier.xyz>

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From: Michael Paquier <michael@paquier.xyz>
To: Alexander Lakhin <exclusion@gmail.com>
Cc: pgsql-bugs@lists.postgresql.org
Date: 2021-01-03T06:21:09Z
Lists: pgsql-bugs 
On Sun, Jan 03, 2021 at 09:00:00AM +0300, Alexander Lakhin wrote:
> I'm using gcc 10.2.0 and valgrind-3.15.0, and building REL_13_STABLE
> (c09f6882) with:
> CPPFLAGS="-DUSE_VALGRIND -Og" ./configure --enable-debug
> --enable-cassert && make -j8
> Also I'm using a  patch [1] to inject valgrind into the `make check`
> procedure.

Thanks, -DUSE_VALGRIND is the part that mattered here.  I can now
reproduce it.  I'll try to look at that more in details.
--
Michael

Commits

  1. Fix list-manipulation bug in WITH RECURSIVE processing.