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SubjectRe: [PATCH v2 2/3] x86/ldt: Make modify_ldt optional
On 07/21/2015 03:59 PM, Andy Lutomirski wrote:
> The modify_ldt syscall exposes a large attack surface and is
> unnecessary for modern userspace. Make it optional.

Since this a "default y" option I think we need to make the
implications of this a bit clearer.

Do we know what userspace would break?

Maybe add a WARN_ONCE() in a stub syscall?


Thanks,
Sasha


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