Re: [patch] honour MNT_NOEXEC for access()

[Stas Sergeev]

Hello.

Horst H. von Brand wrote:
> Right. But what prevents anybody to have a hacked, non-testing, ld.so lying
> around?
Having "noexec" on every user-writable mount can
kind of make that difficult - you can't easily run
the ld.so you just copied in.

> It just can't do them (reliably at least) in general.
Certainly it can't, now and then.
Right now the check is to see whether the mmap(PROT_EXEC)
fails. I wanted to change that to something that at least
won't break other apps, but of course without adding any
extra reliability.

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