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 <cegg...@arri.de> > 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.