4 files changed, 13 insertions, 12 deletions
diff --git a/net/ipv4/bpfilter/sockopt.c b/net/ipv4/bpfilter/sockopt.c
index 94f18d2352d0..545b2640f019 100644
--- a/net/ipv4/bpfilter/sockopt.c
+++ b/net/ipv4/bpfilter/sockopt.c
@@ -65,7 +65,7 @@ int bpfilter_ip_get_sockopt(struct sock *sk, int optname,
 
 	if (get_user(len, optlen))
 		return -EFAULT;
-	err = init_user_sockptr(&optval, user_optval);
+	err = init_user_sockptr(&optval, user_optval, len);
 	if (err)
 		return err;
 	return bpfilter_mbox_request(sk, optname, optval, len, false);
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index f5b26ef17820..d1e04d2b5170 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -1,4 +1,4 @@
-
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Packet matching code for ARP packets.
  *
@@ -971,8 +971,8 @@ static int do_replace(struct net *net, sockptr_t arg, unsigned int len)
 		return -ENOMEM;
 
 	loc_cpu_entry = newinfo->entries;
-	sockptr_advance(arg, sizeof(tmp));
-	if (copy_from_sockptr(loc_cpu_entry, arg, tmp.size) != 0) {
+	if (copy_from_sockptr_offset(loc_cpu_entry, arg, sizeof(tmp),
+			tmp.size) != 0) {
 		ret = -EFAULT;
 		goto free_newinfo;
 	}
@@ -1267,8 +1267,8 @@ static int compat_do_replace(struct net *net, sockptr_t arg, unsigned int len)
 		return -ENOMEM;
 
 	loc_cpu_entry = newinfo->entries;
-	sockptr_advance(arg, sizeof(tmp));
-	if (copy_from_sockptr(loc_cpu_entry, arg, tmp.size) != 0) {
+	if (copy_from_sockptr_offset(loc_cpu_entry, arg, sizeof(tmp),
+			tmp.size) != 0) {
 		ret = -EFAULT;
 		goto free_newinfo;
 	}
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index f2a9680303d8..f15bc21d7301 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -1126,8 +1126,8 @@ do_replace(struct net *net, sockptr_t arg, unsigned int len)
 		return -ENOMEM;
 
 	loc_cpu_entry = newinfo->entries;
-	sockptr_advance(arg, sizeof(tmp));
-	if (copy_from_sockptr(loc_cpu_entry, arg, tmp.size) != 0) {
+	if (copy_from_sockptr_offset(loc_cpu_entry, arg, sizeof(tmp),
+			tmp.size) != 0) {
 		ret = -EFAULT;
 		goto free_newinfo;
 	}
@@ -1508,8 +1508,8 @@ compat_do_replace(struct net *net, sockptr_t arg, unsigned int len)
 		return -ENOMEM;
 
 	loc_cpu_entry = newinfo->entries;
-	sockptr_advance(arg, sizeof(tmp));
-	if (copy_from_sockptr(loc_cpu_entry, arg, tmp.size) != 0) {
+	if (copy_from_sockptr_offset(loc_cpu_entry, arg, sizeof(tmp),
+			tmp.size) != 0) {
 		ret = -EFAULT;
 		goto free_newinfo;
 	}
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 27de9380ed14..4afec552f211 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2801,12 +2801,13 @@ static int tcp_repair_options_est(struct sock *sk, sockptr_t optbuf,
 {
 	struct tcp_sock *tp = tcp_sk(sk);
 	struct tcp_repair_opt opt;
+	size_t offset = 0;
 
 	while (len >= sizeof(opt)) {
-		if (copy_from_sockptr(&opt, optbuf, sizeof(opt)))
+		if (copy_from_sockptr_offset(&opt, optbuf, offset, sizeof(opt)))
 			return -EFAULT;
 
-		sockptr_advance(optbuf, sizeof(opt));
+		offset += sizeof(opt);
 		len -= sizeof(opt);
 
 		switch (opt.opt_code) {