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net: Convert proto_ops bind() callbacks to use sockaddr_unsized

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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 <kees@kernel.org>
Link: https://patch.msgid.link/20251104002617.2752303-2-kees@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Kees Cook
2025-11-03 16:26:10 -08:00
committed by Jakub Kicinski
parent bf33247a90
commit 0e50474fa5
74 changed files with 113 additions and 112 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
net/rds/bind.c
View File

@@ -160,7 +160,7 @@ void rds_remove_bound(struct rds_sock *rs)
rs->rs_bound_addr = in6addr_any;
}
int rds_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
int rds_bind(struct socket *sock, struct sockaddr_unsized *uaddr, int addr_len)
{
struct sock *sk = sock->sk;
struct rds_sock *rs = rds_sk_to_rs(sk);

2
net/rds/rds.h
View File

@@ -735,7 +735,7 @@ extern wait_queue_head_t rds_poll_waitq;
/* bind.c */
int rds_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len);
int rds_bind(struct socket *sock, struct sockaddr_unsized *uaddr, int addr_len);
void rds_remove_bound(struct rds_sock *rs);
struct rds_sock *rds_find_bound(const struct in6_addr *addr, __be16 port,
__u32 scope_id);

2
net/rds/tcp_connect.c
View File

@@ -145,7 +145,7 @@ int rds_tcp_conn_path_connect(struct rds_conn_path *cp)
addrlen = sizeof(sin);
}
ret = kernel_bind(sock, addr, addrlen);
ret = kernel_bind(sock, (struct sockaddr_unsized *)addr, addrlen);
if (ret) {
rdsdebug("bind failed with %d at address %pI6c\n",
ret, &conn->c_laddr);

2
net/rds/tcp_listen.c
View File

@@ -290,7 +290,7 @@ struct socket *rds_tcp_listen_init(struct net *net, bool isv6)
addr_len = sizeof(*sin);
}
ret = kernel_bind(sock, (struct sockaddr *)&ss, addr_len);
ret = kernel_bind(sock, (struct sockaddr_unsized *)&ss, addr_len);
if (ret < 0) {
rdsdebug("could not bind %s listener socket: %d\n",
isv6 ? "IPv6" : "IPv4", ret);