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| author | Patrick McHardy <kaber@trash.net> | 2006-05-23 15:07:46 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.sfo1.dsl.speakeasy.net> | 2006-05-23 15:15:10 -0700 |
| commit | 4d942d8b39bf7d43ce93d85964aeb63aeace0593 (patch) | |
| tree | 5c8122762945a8bb9be58bf9bdcbc4dc023ad5db /net | |
| parent | 7185989db4d926dbef1a2f638c464f35599c83e0 (diff) | |
| download | linux-4d942d8b39bf7d43ce93d85964aeb63aeace0593.tar.gz linux-4d942d8b39bf7d43ce93d85964aeb63aeace0593.tar.bz2 linux-4d942d8b39bf7d43ce93d85964aeb63aeace0593.zip | |
[NETFILTER]: H.323 helper: fix sequence extension parsing
When parsing unknown sequence extensions the "son"-pointer points behind
the last known extension for this type, don't try to interpret it.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c b/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c index 5d04438dda4b..26dfecadb335 100644 --- a/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c +++ b/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c @@ -555,7 +555,7 @@ int decode_seq(bitstr_t * bs, field_t * f, char *base, int level) /* Decode the extension components */ for (opt = 0; opt < bmp2_len; opt++, i++, son++) { - if (son->attr & STOP) { + if (i < f->ub && son->attr & STOP) { PRINT("%*.s%s\n", (level + 1) * TAB_SIZE, " ", son->name); return H323_ERROR_STOP; |