On 11/23/21, 11:29 AM, "Thomas Munro" <thomas.mu...@gmail.com> wrote: > Here's a patch for Linux and also FreeBSD. The latter OS decided to > turn on ASLR by default recently, causing my workstation to fail like > this quite reliably, which reminded me to follow up with this. It > disables ASLR in pg_ctl and pg_regress, which is enough for check and > check-world, but doesn't help you if you run the server directly > (unlike the different hack done for macOS). > > For whatever random reason the failures are rarer on Linux (could be > my imagination, but I think they might be clustered, I didn't look > into the recipe for the randomness), but even without reproducing a > failure it's clear to see using pmap that this has the right effect. > I didn't bother with a check for the existence of ADDR_NO_RANDOMIZE > because it's since 2.6.12 which is definitely ancient enough.
FWIW I just found this patch very useful for testing some EXEC_BACKEND stuff on Linux. Nathan
