Michael Paquier <michael(at)paquier(dot)xyz> writes: > On Mon, Mar 30, 2020 at 02:20:48AM +0000, PG Bug reporting form wrote: >> If the connection to postmaster is closed, then trying to re-connect to >> another one leads to SIGSEGV.
> A fix like the attached should be sufficient as if we know that > PQhost() is NULL for the old connection we cannot use the old > hostaddr. Alvaro, what do you think?
It looks to me like there's a similar hazard a bit further down (line 3029):
I wonder if we should force reuse_previous to false if there's no o_conn, rather than fixing this stuff piecemeal.