On Fri, 2018-03-09 at 16:18 -0800, Greg Kroah-Hartman wrote: > 4.4-stable review patch. If anyone has any objections, please let me know. > > ------------------ > > From: Nicolas Dichtel <nicolas.dich...@6wind.com> > > > [ Upstream commit cb9f7a9a5c96a773bbc9c70660dc600cfff82f82 ] [...] > - return nlmsg_multicast(prev->genl_sock, skb, portid, group, flags); > + err = nlmsg_multicast(prev->genl_sock, skb, portid, group, flags); > + if (!err) > + delivered = true; > + else if (err != -ESRCH) > + goto error;
This call to nlmsg_multicast() consumes skb rather than a clone, so we must not free it again here. Ben. > + return delivered ? 0 : -ESRCH; > error: > kfree_skb(skb); > return err; > > > -- Ben Hutchings Software Developer, Codethink Ltd.
