Re: [PATCH] x86/mm: fix use-after-free of ldt_struct

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On 08/24/2017 10:50 AM, Eric Biggers wrote:
> --- a/arch/x86/include/asm/mmu_context.h
> +++ b/arch/x86/include/asm/mmu_context.h
> @@ -148,9 +148,7 @@ static inline int init_new_context(struct task_struct *tsk,
>  		mm->context.execute_only_pkey = -1;
>  	}
>  	#endif
> -	init_new_context_ldt(tsk, mm);
> -
> -	return 0;
> +	return init_new_context_ldt(tsk, mm);
>  }

Sheesh.  That was silly.  Thanks for finding and fixing this!  Feel free
to add my ack on it.



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