linux-kernel - Re: [PATCH] net: get ops lock under dev valid

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Message-ID: <Z_PdMxDnE1j4sFks@mini-arch>
Date: Mon, 7 Apr 2025 07:12:03 -0700
From: Stanislav Fomichev <stfomichev@...il.com>
To: Edward Adam Davis <eadavis@...com>
Cc: syzbot+10d145ea96fc91185445@...kaller.appspotmail.com,
	davem@...emloft.net, dsahern@...nel.org, edumazet@...gle.com,
	horms@...nel.org, kuba@...nel.org, kuniyu@...zon.com,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	pabeni@...hat.com, sdf@...ichev.me, syzkaller-bugs@...glegroups.com
Subject: Re: [PATCH] net: get ops lock under dev valid

On 04/07, Edward Adam Davis wrote:
> Make sure that dev is not NULL before locking ops. 
> 
> Fixes: 8965c160b8f7 ("net: use netif_disable_lro in ipv6_add_dev")
> Reported-by: syzbot+10d145ea96fc91185445@...kaller.appspotmail.com
> Signed-off-by: Edward Adam Davis <eadavis@...com>

I think this happened first?
https://lore.kernel.org/netdev/Z_Pb9dku3R1wdTEp@mini-arch/T/#m733abfc2e974bf96cfdebc8a47aa58f39bf76b82