netdev - Re: [PATCH net] llc: make llc_ui_sendmsg() more robust against bonding changes

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Message-ID: <CANn89i+=WbG00Qo9mqk4GuJjv0T9fEkgoDUCOXKVue-=_LAEsQ@mail.gmail.com>
Date: Thu, 18 Jan 2024 23:14:21 +0100
From: Eric Dumazet <edumazet@...gle.com>
To: Kuniyuki Iwashima <kuniyu@...zon.com>
Cc: davem@...emloft.net, eric.dumazet@...il.com, kuba@...nel.org, 
	netdev@...r.kernel.org, pabeni@...hat.com, 
	syzbot+2a7024e9502df538e8ef@...kaller.appspotmail.com
Subject: Re: [PATCH net] llc: make llc_ui_sendmsg() more robust against
 bonding changes

On Thu, Jan 18, 2024 at 10:59 PM Kuniyuki Iwashima <kuniyu@...zon.com> wrote:
>

> Probably we need not check SOCK_ZAPPED again after llc_ui_autobind() ?
>

Possibly, I was not sure if the socket could be disconnected or not.

This would be a nop, or a correct check if disconnect is implemented.

Do you see a problem with a strict validation ?

I am tired of syzbot reports about llc, I want to add every possible checks.