Re: BUG #17280: global-buffer-overflow on select from pg_stat_slru
Michael Paquier <michael@paquier.xyz>
From: Michael Paquier <michael@paquier.xyz>
To: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Cc: a.kozhemyakin@postgrespro.ru, pgsql-bugs@lists.postgresql.org
Date: 2021-11-11T08:08:34Z
Lists: pgsql-bugs
On Thu, Nov 11, 2021 at 12:19:09PM +0900, Kyotaro Horiguchi wrote: > I'm not sure which is easier to read, but it might be a bit hard since > the conditino term in not mention counter itself. I don't object to > that way. And, yes SLRU_NUM_ELEMENTS cannot be used here:p > > The attached is the first way in the choices. That looks fine. Also, what do you think about adding a test in sysviews.sql? This could be as simple as that: SELECT count(*) > 0 AS ok FROM pg_stat_slru; I am not sure if the buildfarm animals running valgrind would have caught this issue, but having something would be better than nothing for this case. -- Michael
Commits
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Fix memory overrun when querying pg_stat_slru
- a691a229831a 13.6 landed
- 5f81a480d537 14.2 landed
- a45ed975c58f 15.0 landed