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Date: Fri, 20 Nov 2020 10:17:20 -0800 From: Florian Fainelli <f.fainelli@...il.com> To: Christian Eggers <ceggers@...i.de>, Andrew Lunn <andrew@...n.ch>, Vladimir Oltean <olteanv@...il.com> Cc: Vivien Didelot <vivien.didelot@...il.com>, "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH net-next v2] net: dsa: avoid potential use-after-free error On 11/19/20 3:09 AM, Christian Eggers wrote: > If dsa_switch_ops::port_txtstamp() returns false, clone will be freed > immediately. Shouldn't store a pointer to freed memory. > > Signed-off-by: Christian Eggers <ceggers@...i.de> > Fixes: 146d442c2357 ("net: dsa: Keep a pointer to the skb clone for TX timestamping") Reviewed-by: Florian Fainelli <f.fainelli@...il.com> -- Florian
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