netdev - Re: [Patch net-next] net: use %px to print skb address in trace_netif_receive

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Date:   Fri, 09 Jul 2021 01:16:25 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     xiyou.wangcong@...il.com
Cc:     netdev@...r.kernel.org, qitao.xu@...edance.com,
        cong.wang@...edance.com
Subject: Re: [Patch net-next] net: use %px to print skb address in
 trace_netif_receive_skb

From: Cong Wang <xiyou.wangcong@...il.com>
Date: Thu,  8 Jul 2021 22:17:08 -0700

> From: Qitao Xu <qitao.xu@...edance.com>
> 
> The print format of skb adress in tracepoint class net_dev_template
> is changed to %px from %p, because we want to use skb address
> as a quick way to identify a packet.
> 
> Reviewed-by: Cong Wang <cong.wang@...edance.com>
> Signed-off-by: Qitao Xu <qitao.xu@...edance.com>

Aren't we not supposed to leak kernel addresses to userspace?