netdev - Re: [PATCH net] net: fix memleak in register

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Message-Id: <20200618.200643.27869075586210896.davem@davemloft.net>
Date:   Thu, 18 Jun 2020 20:06:43 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     yangyingliang@...wei.com
Cc:     netdev@...r.kernel.org, weiyongjun1@...wei.com
Subject: Re: [PATCH net] net: fix memleak in register_netdevice()

From: Yang Yingliang <yangyingliang@...wei.com>
Date: Tue, 16 Jun 2020 09:39:21 +0000

> I got a memleak report when doing some fuzz test:
 ...
> If call_netdevice_notifiers() failed, then rollback_registered()
> calls netdev_unregister_kobject() which holds the kobject. The
> reference cannot be put because the netdev won't be add to todo
> list, so it will leads a memleak, we need put the reference to
> avoid memleak.
> 
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>

Applied and queued up for -stable, thanks.