On Sun, Nov 02, 2025 at 09:09:55AM +0900, Michael Paquier wrote: > Sounds OK to me. Nice catch. It's probably not worth bothering in > the stable branches as the error is unlikely going to show up.
And, while checking the surroundings, I have noticed that your patch is incomplete: passwordFromFile() is not designed currently in such a way in fe-connect.c so as it is possible for its callers to make a difference between one of the valid cases (like a dbname or user name equal to NULL, service file that cannot be opened, etc.) and an error. The point would be to have pqConnectOptions2() take its oom_error path in the case you are pointing at. It seems to me that the correct answer would be to extend passwordFromFile() with an extra "const char **errmsg", where an error is saved, assign an error string in the routine, check if the error pointer is set when exiting passwordFromFile() in pqConnectOptions2(), and consume the error properly before failing in pqConnectOptions2() with a CONNECTION_BAD. -- Michael
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