From 0e50474fa514822e9d990874e554bf8043a201d7 Mon Sep 17 00:00:00 2001 From: Kees Cook Date: Mon, 3 Nov 2025 16:26:10 -0800 Subject: net: Convert proto_ops bind() callbacks to use sockaddr_unsized Update all struct proto_ops bind() callback function prototypes from "struct sockaddr *" to "struct sockaddr_unsized *" to avoid lying to the compiler about object sizes. Calls into struct proto handlers gain casts that will be removed in the struct proto conversion patch. No binary changes expected. Signed-off-by: Kees Cook Link: https://patch.msgid.link/20251104002617.2752303-2-kees@kernel.org Signed-off-by: Jakub Kicinski --- net/ipv6/af_inet6.c | 4 ++-- net/ipv6/ip6_udp_tunnel.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) (limited to 'net/ipv6') diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 44d7de1eec4f..c92d27e35fbc 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -465,9 +465,9 @@ int inet6_bind_sk(struct sock *sk, struct sockaddr *uaddr, int addr_len) } /* bind for INET6 API */ -int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) +int inet6_bind(struct socket *sock, struct sockaddr_unsized *uaddr, int addr_len) { - return inet6_bind_sk(sock->sk, uaddr, addr_len); + return inet6_bind_sk(sock->sk, (struct sockaddr *)uaddr, addr_len); } EXPORT_SYMBOL(inet6_bind); diff --git a/net/ipv6/ip6_udp_tunnel.c b/net/ipv6/ip6_udp_tunnel.c index 0ff547a4bff7..b0d9286b33c8 100644 --- a/net/ipv6/ip6_udp_tunnel.c +++ b/net/ipv6/ip6_udp_tunnel.c @@ -40,7 +40,7 @@ int udp_sock_create6(struct net *net, struct udp_port_cfg *cfg, memcpy(&udp6_addr.sin6_addr, &cfg->local_ip6, sizeof(udp6_addr.sin6_addr)); udp6_addr.sin6_port = cfg->local_udp_port; - err = kernel_bind(sock, (struct sockaddr *)&udp6_addr, + err = kernel_bind(sock, (struct sockaddr_unsized *)&udp6_addr, sizeof(udp6_addr)); if (err < 0) goto error; -- cgit v1.2.3