Hi, On 2022-03-23 11:21:37 -0700, Andres Freund wrote: > On 2022-03-23 13:54:50 -0400, Tom Lane wrote: > > Andres Freund <and...@anarazel.de> writes: > > > I tried to run postgres with ubsan to debug something. > > > > For 0001, could we just replace configure's dlopen check with the > > dlsym check? Or are you afraid of reverse-case failures? > > Yea, I was worried about that. But now that I think more about it, it's hard > to believe something could provide / intercept dlsym but not dlopen. I guess > we can try and see? > > > 0003: OK. Interesting though that we haven't seen these before.
I think we should backpatch both, based on the reasoning in 46ab07ffda9d6c8e63360ded2d4568aa160a7700 ? Greetings, Andres Freund