> On 15 Nov 2018, at 22:42, Tom Lane <t...@sss.pgh.pa.us> wrote: > Further point about that: pg_regress's method of creating a temp > directory under /tmp is secure only on machines with the stickybit > set on /tmp; otherwise it's possible for an attacker to rename the > temp dir out of the way and inject his own socket. We agreed that > that was an okay risk to take for testing purposes, but I'm much > less willing to assume that it's okay for production use with > pg_upgrade.
That’s a good point, it’s not an assumption I’d be comfortable with when it deals with system upgrades. cheers ./daniel
