Subject: Re: PROT_EXEC mappings of vnodes -> VTEXT
To: None <firstname.lastname@example.org>
From: None <email@example.com>
Date: 10/30/2001 08:06:22
firstname.lastname@example.org ("Jason R Thorpe") writes:
> But even what you're suggesting wouldn't be "the right way". Add +x to
> libc.so and then do "./libc.so". This isn't really what you want, either.
Arguably that's a deficiency in sys_execve() then.
But in any case, it's a _whole_ lot better than allowing a malicious
user to cause any readable file to become unwritable (or, i guess, not
open()able for write, right?).