linux-kernel - Re: [net-next] net:enetc: bug fix for qos sfi operate space after freed

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Date:   Thu, 07 May 2020 13:06:10 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     Po.Liu@....com
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        netdev@...r.kernel.org, dan.carpenter@...cle.com,
        claudiu.manoil@....com
Subject: Re: [net-next] net:enetc: bug fix for qos sfi operate space after
 freed

From: Po Liu <Po.Liu@....com>
Date: Thu,  7 May 2020 18:57:38 +0800

> 'Dan Carpenter' reported:
> This code frees "sfi" and then dereferences it on the next line:
>>                 kfree(sfi);
>>                 clear_bit(sfi->index, epsfp.psfp_sfi_bitmap);
> 
> This "sfi->index" should be "index".
> 
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> Signed-off-by: Po Liu <Po.Liu@....com>

Applied.