Re: [patch] remove MNT_NOEXEC check for PROT_EXEC mmaps

[David Wagner]

Stas Sergeev  wrote:
>The primary goal is to make access() to respect the "noexec".

Unfortunately, access() is insecure by design -- it is inherently
susceptible to race conditions (TOCTTOU attacks).  Therefore, I don't
think it is useful for enforcing security restrictions (such as
enforcing noexec in ld.so).
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