Re: [PATCH] ioctl_tty.2: Document CAP_SYS_ADMIN requirement for TIOCSTI

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Günther Noack, le mer. 13 sept. 2023 13:06:31 +0200, a ecrit:
> Cc: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
> Cc: Kees Cook <keescook@xxxxxxxxxxxx>
> Signed-off-by: Günther Noack <gnoack@xxxxxxxxxx>

Reviewed-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>

> ---
>  man2/ioctl_tty.2 | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/man2/ioctl_tty.2 b/man2/ioctl_tty.2
> index 85577f80f..ebad97bcf 100644
> --- a/man2/ioctl_tty.2
> +++ b/man2/ioctl_tty.2
> @@ -334,6 +334,15 @@ Argument:
>  .BI "const char\~*" argp
>  .IP
>  Insert the given byte in the input queue.
> +.IP
> +Since Linux 6.2,
> +.\" commit 690c8b804ad2eafbd35da5d3c95ad325ca7d5061
> +.\" commit 83efeeeb3d04b22aaed1df99bc70a48fe9d22c4d
> +this operation may require the
> +.B CAP_SYS_ADMIN
> +capability (if the
> +.I dev.tty.legacy_tiocsti
> +sysctl variable is set to false).
>  .SS Redirecting console output
>  .TP
>  .B TIOCCONS
> -- 
> 2.42.0.283.g2d96d420d3-goog



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