-stable review patch. If anyone has any objections, please let us know. ------------------ From: Pablo Neira Ayuso Check that status flags are available in the netlink message received to create a new conntrack. Fixes a crash in ctnetlink_create_conntrack when the CTA_STATUS attribute is not present. Signed-off-by: Pablo Neira Ayuso Signed-off-by: Patrick McHardy Signed-off-by: Chris Wright --- net/ipv4/netfilter/ip_conntrack_netlink.c | 8 +++++--- net/netfilter/nf_conntrack_netlink.c | 8 +++++--- 2 files changed, 10 insertions(+), 6 deletions(-) --- linux-2.6.19.2.orig/net/ipv4/netfilter/ip_conntrack_netlink.c +++ linux-2.6.19.2/net/ipv4/netfilter/ip_conntrack_netlink.c @@ -946,9 +946,11 @@ ctnetlink_create_conntrack(struct nfattr ct->timeout.expires = jiffies + ct->timeout.expires * HZ; ct->status |= IPS_CONFIRMED; - err = ctnetlink_change_status(ct, cda); - if (err < 0) - goto err; + if (cda[CTA_STATUS-1]) { + err = ctnetlink_change_status(ct, cda); + if (err < 0) + goto err; + } if (cda[CTA_PROTOINFO-1]) { err = ctnetlink_change_protoinfo(ct, cda); --- linux-2.6.19.2.orig/net/netfilter/nf_conntrack_netlink.c +++ linux-2.6.19.2/net/netfilter/nf_conntrack_netlink.c @@ -963,9 +963,11 @@ ctnetlink_create_conntrack(struct nfattr ct->timeout.expires = jiffies + ct->timeout.expires * HZ; ct->status |= IPS_CONFIRMED; - err = ctnetlink_change_status(ct, cda); - if (err < 0) - goto err; + if (cda[CTA_STATUS-1]) { + err = ctnetlink_change_status(ct, cda); + if (err < 0) + goto err; + } if (cda[CTA_PROTOINFO-1]) { err = ctnetlink_change_protoinfo(ct, cda); -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/