diff options
| author | Phil Oester <kernel@linuxace.com> | 2013-11-16 20:37:46 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-15 15:31:43 -0800 |
| commit | f1b9e32a923e2d6991e8a5f21cb8a390b158ddbb (patch) | |
| tree | 0ea3f385f34d677c30ec0ad8d6a01e10957b55df | |
| parent | 040b47c80e0d3bca9db9353fe44ca044c273624a (diff) | |
netfilter: fix wrong byte order in nf_ct_seqadj_set internal information
commit 23dfe136e2bf8d9ea1095704c535368a9bc721da upstream.
In commit 41d73ec053d2, sequence number adjustments were moved to a
separate file. Unfortunately, the sequence numbers that are stored
in the nf_ct_seqadj structure are expressed in host byte order. The
necessary ntohl call was removed when the call to adjust_tcp_sequence
was collapsed into nf_ct_seqadj_set. This broke the FTP NAT helper.
Fix it by adding back the byte order conversions.
Reported-by: Dawid Stawiarski <dawid.stawiarski@netart.pl>
Signed-off-by: Phil Oester <kernel@linuxace.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | net/netfilter/nf_conntrack_seqadj.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/netfilter/nf_conntrack_seqadj.c b/net/netfilter/nf_conntrack_seqadj.c index 5f9bfd060dea..17c1bcb182c6 100644 --- a/net/netfilter/nf_conntrack_seqadj.c +++ b/net/netfilter/nf_conntrack_seqadj.c @@ -41,8 +41,8 @@ int nf_ct_seqadj_set(struct nf_conn *ct, enum ip_conntrack_info ctinfo, spin_lock_bh(&ct->lock); this_way = &seqadj->seq[dir]; if (this_way->offset_before == this_way->offset_after || - before(this_way->correction_pos, seq)) { - this_way->correction_pos = seq; + before(this_way->correction_pos, ntohl(seq))) { + this_way->correction_pos = ntohl(seq); this_way->offset_before = this_way->offset_after; this_way->offset_after += off; } |