Re: Clarification on Role Access Rights to Table Indexes

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Nathan Bossart <nathandbossart@gmail.com>
Cc: Ayush Vatsa <ayushvatsa1810@gmail.com>, Robert Haas <robertmhaas@gmail.com>, "David G. Johnston" <david.g.johnston@gmail.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2025-09-24T16:13:34Z
Lists: pgsql-hackers, pgsql-general
Nathan Bossart <nathandbossart@gmail.com> writes:
> * RangeVarCallbackForReindexIndex() was checking privileges on the table
> before locking it, so I reversed it in 0002.

Don't we do that intentionally, to make sure someone can't cause DOS
on a table they have no privileges on?

			regards, tom lane



Commits

  1. Fix privilege checks for pg_prewarm() on indexes.

  2. Fix lookup code for REINDEX INDEX.

  3. Fix redefinition of typedef RangeVar.

  4. Fix lookups in pg_{clear,restore}_{attribute,relation}_stats().

  5. dblink: Avoid locking relation before privilege check.