Re: [PATCH 2/2] file capabilities: remove CONFIG_SECURITY_FILE_CAPABILITIES

[Andrew G. Morgan]

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Acked-by: Andrew G. Morgan <morgan@xxxxxxxxxx>

Cheers

Andrew

Serge E. Hallyn wrote:
> Remove the option to compile the kernel without file capabilities.  Not
> compiling file capabilities actually makes the kernel less safe, as it
> includes the possibility for a task changing another task's capabilities.
> 
> Some are concerned that userspace tools (and user education) are not
> up to the task of properly configuring file capabilities on a system.
> For those cases, there is now the ability to boot with the no_file_caps
> boot option.  This will prevent file capabilities from being used in
> the capabilities recalculation at exec, but will not change the rest
> of the kernel behavior which used to be switchable using the
> CONFIG_SECURITY_FILE_CAPABILITIES option.
> 
> Signed-off-by: Serge Hallyn <serue@xxxxxxxxxx>
> ---
>  fs/open.c                  |    8 --
>  include/linux/capability.h |    2 -
>  include/linux/init_task.h  |    4 -
>  kernel/capability.c        |  158 --------------------------------------------
>  security/Kconfig           |    9 ---
>  security/commoncap.c       |   53 ---------------
>  6 files changed, 0 insertions(+), 234 deletions(-)
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