netdev - Re: [PATCH] net: fix print in skb

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Message-ID: <CANn89iKJSGek0vKtH-0QhFgZ9S4Cb1jTmpTq1ZmUFd0G0+b3ng@mail.gmail.com>
Date: Thu, 7 Mar 2024 07:29:47 +0100
From: Eric Dumazet <edumazet@...gle.com>
To: gaoxingwang <gaoxingwang1@...wei.com>
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, davem@...emloft.net, 
	kuba@...nel.org, liaichun@...wei.com, yanan@...wei.com
Subject: Re: [PATCH] net: fix print in skb_panic()

On Thu, Mar 7, 2024 at 7:12 AM gaoxingwang <gaoxingwang1@...wei.com> wrote:
>
> skb->len and sz are printed as negative numbers during the panic:
> skbuff: skb_under_panic: text:ffffffff8e2d3eac len:-1961180312 put:-1961180408 head:ffff88800b6ac000 data:ffff887f804ffe78 tail:0x1e0 end:0xec0 dev:team0
>

This was on purpose.

I prefer the negative values, I find this more useful to immediately
spot the issue.

Thank you.