netdev - Re: [PATCH] xsk: fix out of boundary write in __xsk_rcv

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Message-ID: <6BB0E637-B5F8-4B50-9B70-8A30F4AF6CF5@gmail.com>
Date:   Thu, 02 Apr 2020 15:20:59 -0700
From:   "Jonathan Lemon" <jonathan.lemon@...il.com>
To:     "Li RongQing" <lirongqing@...du.com>
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org, kevin.laatz@...el.com,
        ciara.loftus@...el.com, bruce.richardson@...el.com,
        daniel@...earbox.net
Subject: Re: [PATCH] xsk: fix out of boundary write in __xsk_rcv_memcpy

On 2 Apr 2020, at 0:52, Li RongQing wrote:

> first_len is remainder of first page, if write size is
> larger than it, out of page boundary write will happen
>
> Fixes: c05cd3645814 "(xsk: add support to allow unaligned chunk placement)"
> Signed-off-by: Li RongQing <lirongqing@...du.com>

Acked-by: Jonathan Lemon <jonathan.lemon@...il.com>