On Thu, Nov 16, 2017 at 11:57:27AM +0000, James Cowgill wrote:
> Hi,
>
> Is it possible to apply this commit to the stable trees before 4.12?
>
> commit 47b2c3fff4932e6fc17ce13d51a43c6969714e20
> Author: Bilal Amarni <bilal.amarni@xxxxxxxxx>
> Date: Thu Jun 8 14:47:26 2017 +0100
>
> security/keys: add CONFIG_KEYS_COMPAT to Kconfig
>
> In commit 20f06ed9f61a ("KEYS: 64-bit MIPS needs to use
> compat_sys_keyctl for 32-bit userspace"), the keyctl syscall for 32-bit
> MIPS was "fixed" to point at compat_sys_keyctl instead of sys_keyctl.
> Unfortunately this caused the syscall to always return ENOSYS because
> CONFIG_KEYS_COMPAT was not enabled on MIPS. Instead of fixing this by
> manually by enabling KEYS_COMPAT in the MIPS Kconfig, I think applying
> the above commit is a better.
Sounds resonable, but how far back should it go? 4.9 makes sense, but
stuff older than that? 4.4? 4.1? 3.16?
thanks,
greg k-h