bug#66375: 30.0.50; (error "Maximum buffer size exceeded") from (insert-file-contents "/dev/null")

[Eli Zaretskii]

> From: Sam Steingold <sds@gnu.org>
> Date: Sun, 15 Oct 2023 12:44:18 -0400
> Cc: luangruo@yahoo.com, eggert@cs.ucla.edu, 66375@debbugs.gnu.org
> 
> When I enter a group for which I set score file to nil or /dev/null in
> gnus-score-file-single-match-alist
> I get this:
> 
> Debugger entered--Lisp error: (error "Maximum buffer size exceeded")
>   insert-file-contents("/dev/null")
>   gnus-score-load-score-alist("/dev/null")
>   gnus-score-load-file("/dev/null")

gnus-score-file-single-match-alist is a defcustom, so you could
replace "/dev/null" in the alist with some real file that is empty,
couldn't you?