Re: [PATCH] proc: Fix uninitialized byte read in get_mm_cmdline()

[Oleg Nesterov <oleg@xxxxxxxxxx>]

On 07/12, Alexey Izbyshev wrote:
>
> --- a/fs/proc/base.c
> +++ b/fs/proc/base.c
> @@ -275,6 +275,8 @@ static ssize_t get_mm_cmdline(struct mm_struct *mm, char __user *buf,
>  		if (got <= offset)
>  			break;
>  		got -= offset;
> +		if (got < size)
> +			size = got;

Acked-by: Oleg Nesterov <oleg@xxxxxxxxxx>