Le 13/03/2018 à 01:04, Ben Hutchings a écrit : > 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.dichtel@xxxxxxxxx> >> >> >> [ 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. Right, good catch. I will send an update. Regards, Nicolas