Re: [patch 01/18] powerpc: Move stack randomization after syscall_enter_from_user_mode()

[Mukesh Kumar Chaurasiya]

On Tue, Jul 07, 2026 at 09:05:58PM +0200, Thomas Gleixner wrote:
> add_random_kstack_offset() is invoked before syscall_enter_from_user_mode()
> establishes state. That's wrong because add_random_kstack_offset() calls
> into instrumentable code.
> 
> Move it after syscall_enter_from_user_mode() to ensure that state is
> correctly established.
> 
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxx>
> Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
> Cc: Shrikanth Hegde <sshegde@xxxxxxxxxxxxx>
> Cc: linuxppc-dev@xxxxxxxxxxxxxxxx

Thanks for fixing this.

Reviewed-by: Mukesh Kumar Chaurasiya (IBM) <mkchauras@xxxxxxxxx>

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