From 4d942d8b39bf7d43ce93d85964aeb63aeace0593 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Tue, 23 May 2006 15:07:46 -0700 Subject: [PATCH] [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 Signed-off-by: David S. Miller --- net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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; -- GitLab