[PATCH v1 1/2] stackprotector: move CANARY_MASK and get_random_canary() into stackprotector.h

Philippe Mathieu-Daudé philmd at linaro.org
Sun Oct 23 22:25:08 PDT 2022


On 23/10/22 22:32, Jason A. Donenfeld wrote:
> This has nothing to do with random.c and everything to do with stack
> protectors. Yes, it uses randomness. But many things use randomness.
> random.h and random.c are concerned with the generation of randomness,
> not with each and every use. So move this function into the more
> specific stackprotector.h file where it belongs.
> 
> Signed-off-by: Jason A. Donenfeld <Jason at zx2c4.com>
> ---
>   arch/x86/kernel/cpu/common.c   |  2 +-
>   arch/x86/kernel/setup_percpu.c |  2 +-
>   arch/x86/kernel/smpboot.c      |  2 +-
>   arch/x86/xen/enlighten_pv.c    |  2 +-
>   include/linux/random.h         | 19 -------------------
>   include/linux/stackprotector.h | 19 +++++++++++++++++++
>   kernel/fork.c                  |  2 +-
>   7 files changed, 24 insertions(+), 24 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd at linaro.org>




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