diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index e2d2bfc1f989..ec8a8ec9c0aa 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -277,8 +277,6 @@ struct nft_userdata {
 	unsigned char		data[];
 };
 
-#define NFT_SET_ELEM_INTERNAL_LAST	0x1
-
 /* placeholder structure for opaque set element backend representation. */
 struct nft_elem_priv { };
 
@@ -288,7 +286,6 @@ struct nft_elem_priv { };
  *	@key: element key
  *	@key_end: closing element key
  *	@data: element data
- * 	@flags: flags
  *	@priv: element private data and extensions
  */
 struct nft_set_elem {
@@ -304,7 +301,6 @@ struct nft_set_elem {
 		u32		buf[NFT_DATA_VALUE_MAXLEN / sizeof(u32)];
 		struct nft_data val;
 	} data;
-	u32			flags;
 	struct nft_elem_priv	*priv;
 };
 
@@ -878,6 +874,8 @@ struct nft_elem_priv *nft_set_elem_init(const struct nft_set *set,
 					u64 timeout, u64 expiration, gfp_t gfp);
 int nft_set_elem_expr_clone(const struct nft_ctx *ctx, struct nft_set *set,
 			    struct nft_expr *expr_array[]);
+void nft_set_elem_expr_destroy(const struct nft_ctx *ctx,
+			       struct nft_set_elem_expr *elem_expr);
 void nft_set_elem_destroy(const struct nft_set *set,
 			  const struct nft_elem_priv *elem_priv,
 			  bool destroy_expr);
diff --git a/net/netfilter/nf_conntrack_h323_asn1.c b/net/netfilter/nf_conntrack_h323_asn1.c
index 62aa22a07876..7b1497ed97d2 100644
--- a/net/netfilter/nf_conntrack_h323_asn1.c
+++ b/net/netfilter/nf_conntrack_h323_asn1.c
@@ -331,6 +331,8 @@ static int decode_int(struct bitstr *bs, const struct field_t *f,
 		if (nf_h323_error_boundary(bs, 0, 2))
 			return H323_ERROR_BOUND;
 		len = get_bits(bs, 2) + 1;
+		if (nf_h323_error_boundary(bs, len, 0))
+			return H323_ERROR_BOUND;
 		BYTE_ALIGN(bs);
 		if (base && (f->attr & DECODE)) {	/* timeToLive */
 			unsigned int v = get_uint(bs, len) + f->lb;
@@ -922,6 +924,8 @@ int DecodeQ931(unsigned char *buf, size_t sz, Q931 *q931)
 				break;
 			p++;
 			len--;
+			if (len <= 0)
+				break;
 			return DecodeH323_UserInformation(buf, p, len,
 							  &q931->UUIE);
 		}
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index c9d725fc2d71..c156574e1273 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -3212,7 +3212,7 @@ ctnetlink_exp_ct_dump_table(struct sk_buff *skb, struct netlink_callback *cb)
 {
 	struct nfgenmsg *nfmsg = nlmsg_data(cb->nlh);
 	struct nf_conn *ct = cb->data;
-	struct nf_conn_help *help = nfct_help(ct);
+	struct nf_conn_help *help;
 	u_int8_t l3proto = nfmsg->nfgen_family;
 	unsigned long last_id = cb->args[1];
 	struct nf_conntrack_expect *exp;
@@ -3220,6 +3220,10 @@ ctnetlink_exp_ct_dump_table(struct sk_buff *skb, struct netlink_callback *cb)
 	if (cb->args[0])
 		return 0;
 
+	help = nfct_help(ct);
+	if (!help)
+		return 0;
+
 	rcu_read_lock();
 
 restart:
@@ -3249,6 +3253,24 @@ out:
 	return skb->len;
 }
 
+static int ctnetlink_dump_exp_ct_start(struct netlink_callback *cb)
+{
+	struct nf_conn *ct = cb->data;
+
+	if (!refcount_inc_not_zero(&ct->ct_general.use))
+		return -ENOENT;
+	return 0;
+}
+
+static int ctnetlink_dump_exp_ct_done(struct netlink_callback *cb)
+{
+	struct nf_conn *ct = cb->data;
+
+	if (ct)
+		nf_ct_put(ct);
+	return 0;
+}
+
 static int ctnetlink_dump_exp_ct(struct net *net, struct sock *ctnl,
 				 struct sk_buff *skb,
 				 const struct nlmsghdr *nlh,
@@ -3264,6 +3286,8 @@ static int ctnetlink_dump_exp_ct(struct net *net, struct sock *ctnl,
 	struct nf_conntrack_zone zone;
 	struct netlink_dump_control c = {
 		.dump = ctnetlink_exp_ct_dump_table,
+		.start = ctnetlink_dump_exp_ct_start,
+		.done = ctnetlink_dump_exp_ct_done,
 	};
 
 	err = ctnetlink_parse_tuple(cda, &tuple, CTA_EXPECT_MASTER,
@@ -3465,7 +3489,7 @@ ctnetlink_change_expect(struct nf_conntrack_expect *x,
 
 #if IS_ENABLED(CONFIG_NF_NAT)
 static const struct nla_policy exp_nat_nla_policy[CTA_EXPECT_NAT_MAX+1] = {
-	[CTA_EXPECT_NAT_DIR]	= { .type = NLA_U32 },
+	[CTA_EXPECT_NAT_DIR]	= NLA_POLICY_MAX(NLA_BE32, IP_CT_DIR_REPLY),
 	[CTA_EXPECT_NAT_TUPLE]	= { .type = NLA_NESTED },
 };
 #endif
diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index 7c6f7c9f7332..645d2c43ebf7 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -582,7 +582,8 @@ nla_put_failure:
 }
 
 static const struct nla_policy sctp_nla_policy[CTA_PROTOINFO_SCTP_MAX+1] = {
-	[CTA_PROTOINFO_SCTP_STATE]	    = { .type = NLA_U8 },
+	[CTA_PROTOINFO_SCTP_STATE]	    = NLA_POLICY_MAX(NLA_U8,
+							 SCTP_CONNTRACK_HEARTBEAT_SENT),
 	[CTA_PROTOINFO_SCTP_VTAG_ORIGINAL]  = { .type = NLA_U32 },
 	[CTA_PROTOINFO_SCTP_VTAG_REPLY]     = { .type = NLA_U32 },
 };
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index ca748f8dbff1..4ab5ef71d96d 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -1534,11 +1534,12 @@ static int sip_help_tcp(struct sk_buff *skb, unsigned int protoff,
 {
 	struct tcphdr *th, _tcph;
 	unsigned int dataoff, datalen;
-	unsigned int matchoff, matchlen, clen;
+	unsigned int matchoff, matchlen;
 	unsigned int msglen, origlen;
 	const char *dptr, *end;
 	s16 diff, tdiff = 0;
 	int ret = NF_ACCEPT;
+	unsigned long clen;
 	bool term;
 
 	if (ctinfo != IP_CT_ESTABLISHED &&
@@ -1573,6 +1574,9 @@ static int sip_help_tcp(struct sk_buff *skb, unsigned int protoff,
 		if (dptr + matchoff == end)
 			break;
 
+		if (clen > datalen)
+			break;
+
 		term = false;
 		for (; end + strlen("\r\n\r\n") <= dptr + datalen; end++) {
 			if (end[0] == '\r' && end[1] == '\n' &&
diff --git a/net/netfilter/nf_flow_table_ip.c b/net/netfilter/nf_flow_table_ip.c
index 3fdb10d9bf7f..fd56d663cb5b 100644
--- a/net/netfilter/nf_flow_table_ip.c
+++ b/net/netfilter/nf_flow_table_ip.c
@@ -738,6 +738,7 @@ static int nf_flow_encap_push(struct sk_buff *skb,
 		switch (tuple->encap[i].proto) {
 		case htons(ETH_P_8021Q):
 		case htons(ETH_P_8021AD):
+			skb_reset_mac_header(skb);
 			if (skb_vlan_push(skb, tuple->encap[i].proto,
 					  tuple->encap[i].id) < 0)
 				return -1;
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index dacec5f8a11c..9b1c8d0a35fb 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -6744,8 +6744,8 @@ static void __nft_set_elem_expr_destroy(const struct nft_ctx *ctx,
 	}
 }
 
-static void nft_set_elem_expr_destroy(const struct nft_ctx *ctx,
-				      struct nft_set_elem_expr *elem_expr)
+void nft_set_elem_expr_destroy(const struct nft_ctx *ctx,
+			       struct nft_set_elem_expr *elem_expr)
 {
 	struct nft_expr *expr;
 	u32 size;
@@ -7156,8 +7156,7 @@ static u32 nft_set_maxsize(const struct nft_set *set)
 }
 
 static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
-			    const struct nlattr *attr, u32 nlmsg_flags,
-			    bool last)
+			    const struct nlattr *attr, u32 nlmsg_flags)
 {
 	struct nft_expr *expr_array[NFT_SET_EXPR_MAX] = {};
 	struct nlattr *nla[NFTA_SET_ELEM_MAX + 1];
@@ -7444,11 +7443,6 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
 	if (flags)
 		*nft_set_ext_flags(ext) = flags;
 
-	if (last)
-		elem.flags = NFT_SET_ELEM_INTERNAL_LAST;
-	else
-		elem.flags = 0;
-
 	if (obj)
 		*nft_set_ext_obj(ext) = obj;
 
@@ -7613,8 +7607,7 @@ static int nf_tables_newsetelem(struct sk_buff *skb,
 	nft_ctx_init(&ctx, net, skb, info->nlh, family, table, NULL, nla);
 
 	nla_for_each_nested(attr, nla[NFTA_SET_ELEM_LIST_ELEMENTS], rem) {
-		err = nft_add_set_elem(&ctx, set, attr, info->nlh->nlmsg_flags,
-				       nla_is_last(attr, rem));
+		err = nft_add_set_elem(&ctx, set, attr, info->nlh->nlmsg_flags);
 		if (err < 0) {
 			NL_SET_BAD_ATTR(extack, attr);
 			return err;
@@ -7738,7 +7731,7 @@ static void nft_trans_elems_destroy_abort(const struct nft_ctx *ctx,
 }
 
 static int nft_del_setelem(struct nft_ctx *ctx, struct nft_set *set,
-			   const struct nlattr *attr, bool last)
+			   const struct nlattr *attr)
 {
 	struct nlattr *nla[NFTA_SET_ELEM_MAX + 1];
 	struct nft_set_ext_tmpl tmpl;
@@ -7806,11 +7799,6 @@ static int nft_del_setelem(struct nft_ctx *ctx, struct nft_set *set,
 	if (flags)
 		*nft_set_ext_flags(ext) = flags;
 
-	if (last)
-		elem.flags = NFT_SET_ELEM_INTERNAL_LAST;
-	else
-		elem.flags = 0;
-
 	trans = nft_trans_elem_alloc(ctx, NFT_MSG_DELSETELEM, set);
 	if (trans == NULL)
 		goto fail_trans;
@@ -7961,8 +7949,7 @@ static int nf_tables_delsetelem(struct sk_buff *skb,
 		return nft_set_flush(&ctx, set, genmask);
 
 	nla_for_each_nested(attr, nla[NFTA_SET_ELEM_LIST_ELEMENTS], rem) {
-		err = nft_del_setelem(&ctx, set, attr,
-				      nla_is_last(attr, rem));
+		err = nft_del_setelem(&ctx, set, attr);
 		if (err == -ENOENT &&
 		    NFNL_MSG_TYPE(info->nlh->nlmsg_type) == NFT_MSG_DESTROYSETELEM)
 			continue;
diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
index 47d3ef109a99..128ff8155b5d 100644
--- a/net/netfilter/nft_ct.c
+++ b/net/netfilter/nft_ct.c
@@ -23,6 +23,7 @@
 #include <net/netfilter/nf_conntrack_l4proto.h>
 #include <net/netfilter/nf_conntrack_expect.h>
 #include <net/netfilter/nf_conntrack_seqadj.h>
+#include "nf_internals.h"
 
 struct nft_ct_helper_obj  {
 	struct nf_conntrack_helper *helper4;
@@ -543,6 +544,7 @@ static void __nft_ct_set_destroy(const struct nft_ctx *ctx, struct nft_ct *priv)
 #endif
 #ifdef CONFIG_NF_CONNTRACK_ZONES
 	case NFT_CT_ZONE:
+		nf_queue_nf_hook_drop(ctx->net);
 		mutex_lock(&nft_ct_pcpu_mutex);
 		if (--nft_ct_pcpu_template_refcnt == 0)
 			nft_ct_tmpl_put_pcpu();
@@ -1015,6 +1017,7 @@ static void nft_ct_timeout_obj_destroy(const struct nft_ctx *ctx,
 	struct nft_ct_timeout_obj *priv = nft_obj_data(obj);
 	struct nf_ct_timeout *timeout = priv->timeout;
 
+	nf_queue_nf_hook_drop(ctx->net);
 	nf_ct_untimeout(ctx->net, timeout);
 	nf_ct_netns_put(ctx->net, ctx->family);
 	kfree(priv->timeout);
@@ -1147,6 +1150,7 @@ static void nft_ct_helper_obj_destroy(const struct nft_ctx *ctx,
 {
 	struct nft_ct_helper_obj *priv = nft_obj_data(obj);
 
+	nf_queue_nf_hook_drop(ctx->net);
 	if (priv->helper4)
 		nf_conntrack_helper_put(priv->helper4);
 	if (priv->helper6)
diff --git a/net/netfilter/nft_dynset.c b/net/netfilter/nft_dynset.c
index 7807d8129664..9123277be03c 100644
--- a/net/netfilter/nft_dynset.c
+++ b/net/netfilter/nft_dynset.c
@@ -30,18 +30,26 @@ static int nft_dynset_expr_setup(const struct nft_dynset *priv,
 				 const struct nft_set_ext *ext)
 {
 	struct nft_set_elem_expr *elem_expr = nft_set_ext_expr(ext);
+	struct nft_ctx ctx = {
+		.net	= read_pnet(&priv->set->net),
+		.family	= priv->set->table->family,
+	};
 	struct nft_expr *expr;
 	int i;
 
 	for (i = 0; i < priv->num_exprs; i++) {
 		expr = nft_setelem_expr_at(elem_expr, elem_expr->size);
 		if (nft_expr_clone(expr, priv->expr_array[i], GFP_ATOMIC) < 0)
-			return -1;
+			goto err_out;
 
 		elem_expr->size += priv->expr_array[i]->ops->size;
 	}
 
 	return 0;
+err_out:
+	nft_set_elem_expr_destroy(&ctx, elem_expr);
+
+	return -1;
 }
 
 struct nft_elem_priv *nft_dynset_new(struct nft_set *set,
diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c
index ee3d4f5b9ff7..fe8bd497d74a 100644
--- a/net/netfilter/nft_set_rbtree.c
+++ b/net/netfilter/nft_set_rbtree.c
@@ -304,19 +304,10 @@ static void nft_rbtree_set_start_cookie(struct nft_rbtree *priv,
 	priv->start_rbe_cookie = (unsigned long)rbe;
 }
 
-static void nft_rbtree_set_start_cookie_open(struct nft_rbtree *priv,
-					     const struct nft_rbtree_elem *rbe,
-					     unsigned long open_interval)
-{
-	priv->start_rbe_cookie = (unsigned long)rbe | open_interval;
-}
-
-#define NFT_RBTREE_OPEN_INTERVAL	1UL
-
 static bool nft_rbtree_cmp_start_cookie(struct nft_rbtree *priv,
 					const struct nft_rbtree_elem *rbe)
 {
-	return (priv->start_rbe_cookie & ~NFT_RBTREE_OPEN_INTERVAL) == (unsigned long)rbe;
+	return priv->start_rbe_cookie == (unsigned long)rbe;
 }
 
 static bool nft_rbtree_insert_same_interval(const struct net *net,
@@ -346,14 +337,13 @@ static bool nft_rbtree_insert_same_interval(const struct net *net,
 
 static int __nft_rbtree_insert(const struct net *net, const struct nft_set *set,
 			       struct nft_rbtree_elem *new,
-			       struct nft_elem_priv **elem_priv, u64 tstamp, bool last)
+			       struct nft_elem_priv **elem_priv, u64 tstamp)
 {
 	struct nft_rbtree_elem *rbe, *rbe_le = NULL, *rbe_ge = NULL, *rbe_prev;
 	struct rb_node *node, *next, *parent, **p, *first = NULL;
 	struct nft_rbtree *priv = nft_set_priv(set);
 	u8 cur_genmask = nft_genmask_cur(net);
 	u8 genmask = nft_genmask_next(net);
-	unsigned long open_interval = 0;
 	int d;
 
 	/* Descend the tree to search for an existing element greater than the
@@ -459,18 +449,10 @@ static int __nft_rbtree_insert(const struct net *net, const struct nft_set *set,
 		}
 	}
 
-	if (nft_rbtree_interval_null(set, new)) {
+	if (nft_rbtree_interval_null(set, new))
+		priv->start_rbe_cookie = 0;
+	else if (nft_rbtree_interval_start(new) && priv->start_rbe_cookie)
 		priv->start_rbe_cookie = 0;
-	} else if (nft_rbtree_interval_start(new) && priv->start_rbe_cookie) {
-		if (nft_set_is_anonymous(set)) {
-			priv->start_rbe_cookie = 0;
-		} else if (priv->start_rbe_cookie & NFT_RBTREE_OPEN_INTERVAL) {
-			/* Previous element is an open interval that partially
-			 * overlaps with an existing non-open interval.
-			 */
-			return -ENOTEMPTY;
-		}
-	}
 
 	/* - new start element matching existing start element: full overlap
 	 *   reported as -EEXIST, cleared by caller if NLM_F_EXCL is not given.
@@ -478,27 +460,7 @@ static int __nft_rbtree_insert(const struct net *net, const struct nft_set *set,
 	if (rbe_ge && !nft_rbtree_cmp(set, new, rbe_ge) &&
 	    nft_rbtree_interval_start(rbe_ge) == nft_rbtree_interval_start(new)) {
 		*elem_priv = &rbe_ge->priv;
-
-		/* - Corner case: new start element of open interval (which
-		 *   comes as last element in the batch) overlaps the start of
-		 *   an existing interval with an end element: partial overlap.
-		 */
-		node = rb_first(&priv->root);
-		rbe = __nft_rbtree_next_active(node, genmask);
-		if (rbe && nft_rbtree_interval_end(rbe)) {
-			rbe = nft_rbtree_next_active(rbe, genmask);
-			if (rbe &&
-			    nft_rbtree_interval_start(rbe) &&
-			    !nft_rbtree_cmp(set, new, rbe)) {
-				if (last)
-					return -ENOTEMPTY;
-
-				/* Maybe open interval? */
-				open_interval = NFT_RBTREE_OPEN_INTERVAL;
-			}
-		}
-		nft_rbtree_set_start_cookie_open(priv, rbe_ge, open_interval);
-
+		nft_rbtree_set_start_cookie(priv, rbe_ge);
 		return -EEXIST;
 	}
 
@@ -553,12 +515,6 @@ static int __nft_rbtree_insert(const struct net *net, const struct nft_set *set,
 	    nft_rbtree_interval_end(rbe_ge) && nft_rbtree_interval_end(new))
 		return -ENOTEMPTY;
 
-	/* - start element overlaps an open interval but end element is new:
-	 *   partial overlap, reported as -ENOEMPTY.
-	 */
-	if (!rbe_ge && priv->start_rbe_cookie && nft_rbtree_interval_end(new))
-		return -ENOTEMPTY;
-
 	/* Accepted element: pick insertion point depending on key value */
 	parent = NULL;
 	p = &priv->root.rb_node;
@@ -668,7 +624,6 @@ static int nft_rbtree_insert(const struct net *net, const struct nft_set *set,
 			     struct nft_elem_priv **elem_priv)
 {
 	struct nft_rbtree_elem *rbe = nft_elem_priv_cast(elem->priv);
-	bool last = !!(elem->flags & NFT_SET_ELEM_INTERNAL_LAST);
 	struct nft_rbtree *priv = nft_set_priv(set);
 	u64 tstamp = nft_net_tstamp(net);
 	int err;
@@ -685,12 +640,8 @@ static int nft_rbtree_insert(const struct net *net, const struct nft_set *set,
 		cond_resched();
 
 		write_lock_bh(&priv->lock);
-		err = __nft_rbtree_insert(net, set, rbe, elem_priv, tstamp, last);
+		err = __nft_rbtree_insert(net, set, rbe, elem_priv, tstamp);
 		write_unlock_bh(&priv->lock);
-
-		if (nft_rbtree_interval_end(rbe))
-			priv->start_rbe_cookie = 0;
-
 	} while (err == -EAGAIN);
 
 	return err;
@@ -778,7 +729,6 @@ nft_rbtree_deactivate(const struct net *net, const struct nft_set *set,
 		      const struct nft_set_elem *elem)
 {
 	struct nft_rbtree_elem *rbe, *this = nft_elem_priv_cast(elem->priv);
-	bool last = !!(elem->flags & NFT_SET_ELEM_INTERNAL_LAST);
 	struct nft_rbtree *priv = nft_set_priv(set);
 	const struct rb_node *parent = priv->root.rb_node;
 	u8 genmask = nft_genmask_next(net);
@@ -819,10 +769,9 @@ nft_rbtree_deactivate(const struct net *net, const struct nft_set *set,
 				continue;
 			}
 
-			if (nft_rbtree_interval_start(rbe)) {
-				if (!last)
-					nft_rbtree_set_start_cookie(priv, rbe);
-			} else if (!nft_rbtree_deactivate_same_interval(net, priv, rbe))
+			if (nft_rbtree_interval_start(rbe))
+				nft_rbtree_set_start_cookie(priv, rbe);
+			else if (!nft_rbtree_deactivate_same_interval(net, priv, rbe))
 				return NULL;
 
 			nft_rbtree_flush(net, set, &rbe->priv);
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index 3ba94c34297c..498f5871c84a 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -16,6 +16,7 @@
 #include <net/netfilter/nf_conntrack_ecache.h>
 #include <net/netfilter/nf_conntrack_timeout.h>
 #include <net/netfilter/nf_conntrack_zones.h>
+#include "nf_internals.h"
 
 static inline int xt_ct_target(struct sk_buff *skb, struct nf_conn *ct)
 {
@@ -283,6 +284,9 @@ static void xt_ct_tg_destroy(const struct xt_tgdtor_param *par,
 	struct nf_conn_help *help;
 
 	if (ct) {
+		if (info->helper[0] || info->timeout[0])
+			nf_queue_nf_hook_drop(par->net);
+
 		help = nfct_help(ct);
 		xt_ct_put_helper(help);
 
diff --git a/net/netfilter/xt_time.c b/net/netfilter/xt_time.c
index 00319d2a54da..d9d74011bb64 100644
--- a/net/netfilter/xt_time.c
+++ b/net/netfilter/xt_time.c
@@ -223,13 +223,13 @@ time_mt(const struct sk_buff *skb, struct xt_action_param *par)
 
 	localtime_2(&current_time, stamp);
 
-	if (!(info->weekdays_match & (1 << current_time.weekday)))
+	if (!(info->weekdays_match & (1U << current_time.weekday)))
 		return false;
 
 	/* Do not spend time computing monthday if all days match anyway */
 	if (info->monthdays_match != XT_TIME_ALL_MONTHDAYS) {
 		localtime_3(&current_time, stamp);
-		if (!(info->monthdays_match & (1 << current_time.monthday)))
+		if (!(info->monthdays_match & (1U << current_time.monthday)))
 			return false;
 	}