Re: [PATCH] [SECURITY] suid procs exec'd with bad 0,1,2 fds

[Dean Gaudet]

On Tue, 4 Aug 1998, Linus Torvalds wrote:

> They DO break things. There are languages that by design use the stack for
> trampolines etc, and at least if somebody applies the unofficial patch
> they have themselves to blame. 

Sun didn't find this to be a problem when they updated their ABI to
include a non-executable stack (see bugtraq archives, it's part of 2.7 I'm
pretty sure).  mprotect(PROT_EXEC) solves this problem wonderfully. 

Dean