Messages in this thread Patches in this message | | | Date | Fri, 31 Jan 2014 16:29:58 +0300 | Subject | Re: OOPS in nf_ct_unlink_expect_report using Polycom RealPresence Mobile | From | Alexey Dobriyan <> |
| |
> Disabling nf_nat_h323 and nf_conntrack_h323 avoids crash - > but video conferencing software is no more usable. > > BUG: unable to handle kernel paging request at 00100104 > IP: [<f8214f07>] nf_ct_unlink_expect_report
This must be the same bug fixed in SIP module: commit 3f509c689a07a4aa989b426893d8491a7ffcc410 netfilter: nf_nat_sip: fix incorrect handling of EBUSY for RTCP expectation
Try attached patch (if this is mangled):
--- a/net/ipv4/netfilter/nf_nat_h323.c +++ b/net/ipv4/netfilter/nf_nat_h323.c @@ -229,7 +229,10 @@ static int nat_rtp_rtcp(struct sk_buff *skb, struct nf_conn *ct, ret = nf_ct_expect_related(rtcp_exp); if (ret == 0) break; - else if (ret != -EBUSY) { + else if (ret == -EBUSY) { + nf_ct_unexpect_related(rtp_exp); + continue; + } else if (ret < 0) { nf_ct_unexpect_related(rtp_exp); nated_port = 0; break;--- a/net/ipv4/netfilter/nf_nat_h323.c +++ b/net/ipv4/netfilter/nf_nat_h323.c @@ -229,7 +229,10 @@ static int nat_rtp_rtcp(struct sk_buff *skb, struct nf_conn *ct, ret = nf_ct_expect_related(rtcp_exp); if (ret == 0) break; - else if (ret != -EBUSY) { + else if (ret == -EBUSY) { + nf_ct_unexpect_related(rtp_exp); + continue; + } else if (ret < 0) { nf_ct_unexpect_related(rtp_exp); nated_port = 0; break; | |