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| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2012-08-29 19:24:09 +0400 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2012-08-30 20:27:14 +0400 |
| commit | 3f509c689a07a4aa989b426893d8491a7ffcc410 (patch) | |
| tree | 942cbba04e8ba3dbae1da488922dc4fb41b943c8 /include/net | |
| parent | 6fc09f10f12477bdaa54e94f9cb428bef6d81315 (diff) | |
| download | linux-3f509c689a07a4aa989b426893d8491a7ffcc410.tar.xz | |
netfilter: nf_nat_sip: fix incorrect handling of EBUSY for RTCP expectation
We're hitting bug while trying to reinsert an already existing
expectation:
kernel BUG at kernel/timer.c:895!
invalid opcode: 0000 [#1] SMP
[...]
Call Trace:
<IRQ>
[<ffffffffa0069563>] nf_ct_expect_related_report+0x4a0/0x57a [nf_conntrack]
[<ffffffff812d423a>] ? in4_pton+0x72/0x131
[<ffffffffa00ca69e>] ip_nat_sdp_media+0xeb/0x185 [nf_nat_sip]
[<ffffffffa00b5b9b>] set_expected_rtp_rtcp+0x32d/0x39b [nf_conntrack_sip]
[<ffffffffa00b5f15>] process_sdp+0x30c/0x3ec [nf_conntrack_sip]
[<ffffffff8103f1eb>] ? irq_exit+0x9a/0x9c
[<ffffffffa00ca738>] ? ip_nat_sdp_media+0x185/0x185 [nf_nat_sip]
We have to remove the RTP expectation if the RTCP expectation hits EBUSY
since we keep trying with other ports until we succeed.
Reported-by: Rafal Fitt <rafalf@aplusc.com.pl>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/net')
0 files changed, 0 insertions, 0 deletions