I'm not really opposed to attempting to change this with consensus
(like, actually proposing it on the Austin Group tracker), but a less
invasive change would be just enforcing it for the case where exec is
a privilege boundary (suid/sgid/caps). There's really no motivation
for changing longstanding standard behavior in a
non-privilege-boundary case.
I don't really see it as a matter of "maintaining standard behavior".
there are very little uses for this ABI feature to be present and only
serves to make applications harder to port between Linux and other *nix
systems. The pros (major vulnerabilities like CVE-2021-4034) outweigh
the cons (minor userland ABI change that only affects shellcode on
shell-storm.org) in this particular scenario, and I am all for this patch.
