Re: [PATCH net-next] net: dsa: avoid potential use-after-free error

[Vladimir Oltean]

On Wed, Nov 18, 2020 at 04:43:35PM +0100, Christian Eggers wrote:
> If dsa_switch_ops::port_txtstamp() returns false, clone will be freed
> immediately. Storing the pointer in DSA_SKB_CB(skb)->clone anyway,
> supports annoying use-after-free bugs.

Like what?

> Signed-off-by: Christian Eggers <ceggers@xxxxxxx>
> Fixes 146d442c2357 ("net: dsa: Keep a pointer to the skb clone for TX timestamping")

Not the right format for a Fixes: tag, please try to set up your
.gitconfig to automate the creation of this tag.