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authorKees Cook <kees@kernel.org>2025-11-03 16:26:11 -0800
committerJakub Kicinski <kuba@kernel.org>2025-11-04 19:10:32 -0800
commit85cb0757d7e1f9370a8b52a8b8144c37941cba0a (patch)
treedda78cf126dc91e62acf9afde04ab5d749575a05 /include/linux
parent0e50474fa514822e9d990874e554bf8043a201d7 (diff)
net: Convert proto_ops connect() callbacks to use sockaddr_unsized
Update all struct proto_ops connect() 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/20251104002617.2752303-3-kees@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/bpf-cgroup.h6
-rw-r--r--include/linux/net.h4
2 files changed, 5 insertions, 5 deletions
diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h
index aedf573bdb42..a7fb4f46974f 100644
--- a/include/linux/bpf-cgroup.h
+++ b/include/linux/bpf-cgroup.h
@@ -238,7 +238,7 @@ static inline bool cgroup_bpf_sock_enabled(struct sock *sk,
({ \
int __ret = 0; \
if (cgroup_bpf_enabled(atype)) \
- __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \
+ __ret = __cgroup_bpf_run_filter_sock_addr(sk, (struct sockaddr *)uaddr, uaddrlen, \
atype, NULL, NULL); \
__ret; \
})
@@ -248,7 +248,7 @@ static inline bool cgroup_bpf_sock_enabled(struct sock *sk,
int __ret = 0; \
if (cgroup_bpf_enabled(atype)) { \
lock_sock(sk); \
- __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \
+ __ret = __cgroup_bpf_run_filter_sock_addr(sk, (struct sockaddr *)uaddr, uaddrlen, \
atype, t_ctx, NULL); \
release_sock(sk); \
} \
@@ -266,7 +266,7 @@ static inline bool cgroup_bpf_sock_enabled(struct sock *sk,
int __ret = 0; \
if (cgroup_bpf_enabled(atype)) { \
lock_sock(sk); \
- __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, uaddrlen, \
+ __ret = __cgroup_bpf_run_filter_sock_addr(sk, (struct sockaddr *)uaddr, uaddrlen, \
atype, NULL, &__flags); \
release_sock(sk); \
if (__flags & BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE) \
diff --git a/include/linux/net.h b/include/linux/net.h
index 0e316f063113..db6bc997ca5b 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -166,7 +166,7 @@ struct proto_ops {
struct sockaddr_unsized *myaddr,
int sockaddr_len);
int (*connect) (struct socket *sock,
- struct sockaddr *vaddr,
+ struct sockaddr_unsized *vaddr,
int sockaddr_len, int flags);
int (*socketpair)(struct socket *sock1,
struct socket *sock2);
@@ -348,7 +348,7 @@ int kernel_recvmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec,
int kernel_bind(struct socket *sock, struct sockaddr_unsized *addr, int addrlen);
int kernel_listen(struct socket *sock, int backlog);
int kernel_accept(struct socket *sock, struct socket **newsock, int flags);
-int kernel_connect(struct socket *sock, struct sockaddr *addr, int addrlen,
+int kernel_connect(struct socket *sock, struct sockaddr_unsized *addr, int addrlen,
int flags);
int kernel_getsockname(struct socket *sock, struct sockaddr *addr);
int kernel_getpeername(struct socket *sock, struct sockaddr *addr);