Re: Possibility of merge of disable icotl TIOCSTI patch

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On 6/1/22 17:41, Yann Droneaud wrote:
I would provide a patch which leaves the current behavior as default,
but TIOCSTI can be disabled via Kconfig or cmdline switch.
Is there any chance this will get merged in 2022, since past
attempts failed?

Small side note:

A complete version of Matt's initial patch has lived on in linux-hardened [0][1] with the `SECURITY_TIOCSTI_RESTRICT` Kconfig (default no) and a `tiocsti_restrict` sysctl.

If a re-attempt is feasible, both patchs [0][1] could potentially be re-proposed as is.

In linux-hardened we have an independent patch [2] which simply sets the default value of `SECURITY_TIOCSTI_RESTRICT` to `yes`, but that most likely is not desired.


[0] [1] [2]

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