From: Faidon Liambotis Date: Wed, 22 Nov 2006 05:46:02 +0000 (-0800) Subject: [NETFILTER]: H.323 conntrack: fix crash with CONFIG_IP_NF_CT_ACCT X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=38f7efd52c4f3f0b22c460eadbfe7c42f9ebff82;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git [NETFILTER]: H.323 conntrack: fix crash with CONFIG_IP_NF_CT_ACCT H.323 connection tracking code calls ip_ct_refresh_acct() when processing RCFs and URQs but passes NULL as the skb. When CONFIG_IP_NF_CT_ACCT is enabled, the connection tracking core tries to derefence the skb, which results in an obvious panic. A similar fix was applied on the SIP connection tracking code some time ago. Signed-off-by: Faidon Liambotis Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- diff --git a/net/ipv4/netfilter/ip_conntrack_helper_h323.c b/net/ipv4/netfilter/ip_conntrack_helper_h323.c index 7b7441202bfd..6cb9070cd0bc 100644 --- a/net/ipv4/netfilter/ip_conntrack_helper_h323.c +++ b/net/ipv4/netfilter/ip_conntrack_helper_h323.c @@ -1417,7 +1417,7 @@ static int process_rcf(struct sk_buff **pskb, struct ip_conntrack *ct, DEBUGP ("ip_ct_ras: set RAS connection timeout to %u seconds\n", info->timeout); - ip_ct_refresh_acct(ct, ctinfo, NULL, info->timeout * HZ); + ip_ct_refresh(ct, *pskb, info->timeout * HZ); /* Set expect timeout */ read_lock_bh(&ip_conntrack_lock); @@ -1465,7 +1465,7 @@ static int process_urq(struct sk_buff **pskb, struct ip_conntrack *ct, info->sig_port[!dir] = 0; /* Give it 30 seconds for UCF or URJ */ - ip_ct_refresh_acct(ct, ctinfo, NULL, 30 * HZ); + ip_ct_refresh(ct, *pskb, 30 * HZ); return 0; }