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Subject: Re: [PATCH] check_netdev_priv: warn about using netdev priv data
 after free_netdev
References: <20210802210022.5226-1-paskripkin@gmail.com>
 <20210804143532.GM1931@kadam>
From: Pavel Skripkin <paskripkin@gmail.com>
Message-ID: <638a2d48-59d3-30c3-8ef4-56d9f0d3f56a@gmail.com>
Date: Wed, 4 Aug 2021 17:44:09 +0300
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In-Reply-To: <20210804143532.GM1931@kadam>
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To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: smatch@vger.kernel.org

On 8/4/21 5:35 PM, Dan Carpenter wrote:
> Pushed!
> 
> This finds two bugs in my allmodconfig.  They're both real bugs.
> 
> drivers/net/ethernet/freescale/fec_main.c:3994 fec_drv_remove() error: Using fep after free_{netdev,candev}(ndev);
> drivers/net/ethernet/freescale/fec_main.c:3995 fec_drv_remove() error: Using fep after free_{netdev,candev}(ndev);
> drivers/net/ethernet/neterion/vxge/vxge-main.c:3518 vxge_device_unregister() error: Using vdev after free_{netdev,candev}(dev);
> drivers/net/ethernet/neterion/vxge/vxge-main.c:3518 vxge_device_unregister() error: Using vdev after free_{netdev,candev}(dev);
> drivers/net/ethernet/neterion/vxge/vxge-main.c:3520 vxge_device_unregister() error: Using vdev after free_{netdev,candev}(dev);
> drivers/net/ethernet/neterion/vxge/vxge-main.c:3520 vxge_device_unregister() error: Using vdev after free_{netdev,candev}(dev);
> 

I can send patches to fix these errors with Reported-by tag, or You will 
take care of it?


With regards,
Pavel Skripkin