141 	struct socket *sock = f->private_data;  in sock_show_fdinfo()  local
142 	const struct proto_ops *ops = READ_ONCE(sock->ops);  in sock_show_fdinfo()
145 		ops->show_fdinfo(m, sock);  in sock_show_fdinfo()
463 struct file *sock_alloc_file(struct socket *sock, int flags, const char *dname)  in sock_alloc_file()  argument
468 		dname = sock->sk ? sock->sk->sk_prot_creator->name : "";  in sock_alloc_file()
470 	file = alloc_file_pseudo(SOCK_INODE(sock), sock_mnt, dname,  in sock_alloc_file()
474 		sock_release(sock);  in sock_alloc_file()
479 	sock->file = file;  in sock_alloc_file()
480 	file->private_data = sock;  in sock_alloc_file()
481 	stream_open(SOCK_INODE(sock), file);  in sock_alloc_file()
491 static int sock_map_fd(struct socket *sock, int flags)  in sock_map_fd()  argument
496 		sock_release(sock);  in sock_map_fd()
500 	newfile = sock_alloc_file(sock, flags, NULL);  in sock_map_fd()
542 	struct socket *sock;  in sockfd_lookup()  local
550 	sock = sock_from_file(file);  in sockfd_lookup()
551 	if (!sock) {  in sockfd_lookup()
555 	return sock;  in sockfd_lookup()
593 		struct socket *sock = SOCKET_I(d_inode(dentry));  in sockfs_setattr()  local
595 		if (sock->sk)  in sockfs_setattr()
596 			sock->sk->sk_uid = iattr->ia_uid;  in sockfs_setattr()
620 	struct socket *sock;  in sock_alloc()  local
626 	sock = SOCKET_I(inode);  in sock_alloc()
634 	return sock;  in sock_alloc()
638 static void __sock_release(struct socket *sock, struct inode *inode)  in __sock_release()  argument
640 	const struct proto_ops *ops = READ_ONCE(sock->ops);  in __sock_release()
647 		ops->release(sock);  in __sock_release()
648 		sock->sk = NULL;  in __sock_release()
651 		sock->ops = NULL;  in __sock_release()
655 	if (sock->wq.fasync_list)  in __sock_release()
658 	if (!sock->file) {  in __sock_release()
659 		iput(SOCK_INODE(sock));  in __sock_release()
662 	sock->file = NULL;  in __sock_release()
673 void sock_release(struct socket *sock)  in sock_release()  argument
675 	__sock_release(sock, NULL);  in sock_release()
704 static noinline void call_trace_sock_send_length(struct sock *sk, int ret,  in call_trace_sock_send_length()
710 static inline int sock_sendmsg_nosec(struct socket *sock, struct msghdr *msg)  in sock_sendmsg_nosec()  argument
712 	int ret = INDIRECT_CALL_INET(READ_ONCE(sock->ops)->sendmsg, inet6_sendmsg,  in sock_sendmsg_nosec()
713 				     inet_sendmsg, sock, msg,  in sock_sendmsg_nosec()
718 		call_trace_sock_send_length(sock->sk, ret, 0);  in sock_sendmsg_nosec()
722 static int __sock_sendmsg(struct socket *sock, struct msghdr *msg)  in __sock_sendmsg()  argument
724 	int err = security_socket_sendmsg(sock, msg,  in __sock_sendmsg()
727 	return err ?: sock_sendmsg_nosec(sock, msg);  in __sock_sendmsg()
738 int sock_sendmsg(struct socket *sock, struct msghdr *msg)  in sock_sendmsg()  argument
750 	ret = __sock_sendmsg(sock, msg);  in sock_sendmsg()
770 int kernel_sendmsg(struct socket *sock, struct msghdr *msg,  in kernel_sendmsg()  argument
774 	return sock_sendmsg(sock, msg);  in kernel_sendmsg()
801 static ktime_t get_timestamp(struct sock *sk, struct sk_buff *skb, int *if_index)  in get_timestamp()
849 void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,  in __sock_recv_timestamp()
948 void __sock_recv_wifi_status(struct msghdr *msg, struct sock *sk,  in __sock_recv_wifi_status()
965 static inline void sock_recv_drops(struct msghdr *msg, struct sock *sk,  in sock_recv_drops()
973 static void sock_recv_mark(struct msghdr *msg, struct sock *sk,  in sock_recv_mark()
984 static void sock_recv_priority(struct msghdr *msg, struct sock *sk,  in sock_recv_priority()
994 void __sock_recv_cmsgs(struct msghdr *msg, struct sock *sk,  in __sock_recv_cmsgs()
1009 static noinline void call_trace_sock_recv_length(struct sock *sk, int ret, int flags)  in call_trace_sock_recv_length()
1014 static inline int sock_recvmsg_nosec(struct socket *sock, struct msghdr *msg,  in sock_recvmsg_nosec()  argument
1017 	int ret = INDIRECT_CALL_INET(READ_ONCE(sock->ops)->recvmsg,  in sock_recvmsg_nosec()
1019 				     inet_recvmsg, sock, msg,  in sock_recvmsg_nosec()
1022 		call_trace_sock_recv_length(sock->sk, ret, flags);  in sock_recvmsg_nosec()
1035 int sock_recvmsg(struct socket *sock, struct msghdr *msg, int flags)  in sock_recvmsg()  argument
1037 	int err = security_socket_recvmsg(sock, msg, msg_data_left(msg), flags);  in sock_recvmsg()
1039 	return err ?: sock_recvmsg_nosec(sock, msg, flags);  in sock_recvmsg()
1059 int kernel_recvmsg(struct socket *sock, struct msghdr *msg,  in kernel_recvmsg()  argument
1064 	return sock_recvmsg(sock, msg, flags);  in kernel_recvmsg()
1072 	struct socket *sock = file->private_data;  in sock_splice_read()  local
1075 	ops = READ_ONCE(sock->ops);  in sock_splice_read()
1079 	return ops->splice_read(sock, ppos, pipe, len, flags);  in sock_splice_read()
1084 	struct socket *sock = file->private_data;  in sock_splice_eof()  local
1087 	ops = READ_ONCE(sock->ops);  in sock_splice_eof()
1089 		ops->splice_eof(sock);  in sock_splice_eof()
1095 	struct socket *sock = file->private_data;  in sock_read_iter()  local
1109 	res = sock_recvmsg(sock, &msg, msg.msg_flags);  in sock_read_iter()
1117 	struct socket *sock = file->private_data;  in sock_write_iter()  local
1128 	if (sock->type == SOCK_SEQPACKET)  in sock_write_iter()
1131 	res = __sock_sendmsg(sock, &msg);  in sock_write_iter()
1180 static long sock_do_ioctl(struct net *net, struct socket *sock,  in sock_do_ioctl()  argument
1183 	const struct proto_ops *ops = READ_ONCE(sock->ops);  in sock_do_ioctl()
1190 	err = ops->ioctl(sock, cmd, arg);  in sock_do_ioctl()
1220 	struct socket *sock;  in sock_ioctl()  local
1221 	struct sock *sk;  in sock_ioctl()
1226 	sock = file->private_data;  in sock_ioctl()
1227 	ops = READ_ONCE(sock->ops);  in sock_ioctl()
1228 	sk = sock->sk;  in sock_ioctl()
1252 			err = f_setown(sock->file, pid, 1);  in sock_ioctl()
1256 			err = put_user(f_getown(sock->file),  in sock_ioctl()
1291 			err = ops->gettstamp(sock, argp,  in sock_ioctl()
1301 			err = ops->gettstamp(sock, argp,  in sock_ioctl()
1311 			err = sock_do_ioctl(net, sock, cmd, arg);  in sock_ioctl()
1333 	struct socket *sock = NULL;  in sock_create_lite()  local
1339 	sock = sock_alloc();  in sock_create_lite()
1340 	if (!sock) {  in sock_create_lite()
1345 	sock->type = type;  in sock_create_lite()
1346 	err = security_socket_post_create(sock, family, type, protocol, 1);  in sock_create_lite()
1351 	*res = sock;  in sock_create_lite()
1354 	sock_release(sock);  in sock_create_lite()
1355 	sock = NULL;  in sock_create_lite()
1363 	struct socket *sock = file->private_data;  in sock_poll()  local
1364 	const struct proto_ops *ops = READ_ONCE(sock->ops);  in sock_poll()
1370 	if (sk_can_busy_loop(sock->sk)) {  in sock_poll()
1373 			sk_busy_loop(sock->sk, 1);  in sock_poll()
1379 	return ops->poll(file, sock, wait) | flag;  in sock_poll()
1384 	struct socket *sock = file->private_data;  in sock_mmap()  local
1386 	return READ_ONCE(sock->ops)->mmap(file, sock, vma);  in sock_mmap()
1408 	struct socket *sock = filp->private_data;  in sock_fasync()  local
1409 	struct sock *sk = sock->sk;  in sock_fasync()
1410 	struct socket_wq *wq = &sock->wq;  in sock_fasync()
1474 	struct socket *sock;  in __sock_create()  local
1505 	sock = sock_alloc();  in __sock_create()
1506 	if (!sock) {  in __sock_create()
1512 	sock->type = type;  in __sock_create()
1541 	err = pf->create(net, sock, protocol, kern);  in __sock_create()
1546 		DEBUG_NET_WARN_ONCE(sock->sk,  in __sock_create()
1556 	if (!try_module_get(sock->ops->owner))  in __sock_create()
1564 	err = security_socket_post_create(sock, family, type, protocol, kern);  in __sock_create()
1567 	*res = sock;  in __sock_create()
1574 	sock->ops = NULL;  in __sock_create()
1577 	sock_release(sock);  in __sock_create()
1623 	struct socket *sock;  in __sys_socket_create()  local
1636 	retval = sock_create(family, type, protocol, &sock);  in __sys_socket_create()
1640 	return sock;  in __sys_socket_create()
1645 	struct socket *sock;  in __sys_socket_file()  local
1648 	sock = __sys_socket_create(family, type, protocol);  in __sys_socket_file()
1649 	if (IS_ERR(sock))  in __sys_socket_file()
1650 		return ERR_CAST(sock);  in __sys_socket_file()
1656 	return sock_alloc_file(sock, flags, NULL);  in __sys_socket_file()
1680 	struct socket *sock;  in __sys_socket()  local
1683 	sock = __sys_socket_create(family, type,  in __sys_socket()
1685 	if (IS_ERR(sock))  in __sys_socket()
1686 		return PTR_ERR(sock);  in __sys_socket()
1692 	return sock_map_fd(sock, flags & (O_CLOEXEC | O_NONBLOCK));  in __sys_socket()
1802 int __sys_bind_socket(struct socket *sock, struct sockaddr_storage *address,  in __sys_bind_socket()  argument
1807 	err = security_socket_bind(sock, (struct sockaddr *)address,  in __sys_bind_socket()
1810 		err = READ_ONCE(sock->ops)->bind(sock,  in __sys_bind_socket()
1826 	struct socket *sock;  in __sys_bind()  local
1833 	sock = sock_from_file(fd_file(f));  in __sys_bind()
1834 	if (unlikely(!sock))  in __sys_bind()
1841 	return __sys_bind_socket(sock, &address, addrlen);  in __sys_bind()
1854 int __sys_listen_socket(struct socket *sock, int backlog)  in __sys_listen_socket()  argument
1858 	somaxconn = READ_ONCE(sock_net(sock->sk)->core.sysctl_somaxconn);  in __sys_listen_socket()
1862 	err = security_socket_listen(sock, backlog);  in __sys_listen_socket()
1864 		err = READ_ONCE(sock->ops)->listen(sock, backlog);  in __sys_listen_socket()
1871 	struct socket *sock;  in __sys_listen()  local
1875 	sock = sock_from_file(fd_file(f));  in __sys_listen()
1876 	if (unlikely(!sock))  in __sys_listen()
1879 	return __sys_listen_socket(sock, backlog);  in __sys_listen()
1891 	struct socket *sock, *newsock;  in do_accept()  local
1897 	sock = sock_from_file(file);  in do_accept()
1898 	if (!sock)  in do_accept()
1904 	ops = READ_ONCE(sock->ops);  in do_accept()
1906 	newsock->type = sock->type;  in do_accept()
1915 	newfile = sock_alloc_file(newsock, flags, sock->sk->sk_prot_creator->name);  in do_accept()
1919 	err = security_socket_accept(sock, newsock);  in do_accept()
1923 	arg->flags |= sock->file->f_flags;  in do_accept()
1924 	err = ops->accept(sock, newsock, arg);  in do_accept()
2024 	struct socket *sock;  in __sys_connect_file()  local
2027 	sock = sock_from_file(file);  in __sys_connect_file()
2028 	if (!sock) {  in __sys_connect_file()
2034 	    security_socket_connect(sock, (struct sockaddr *)address, addrlen);  in __sys_connect_file()
2038 	err = READ_ONCE(sock->ops)->connect(sock, (struct sockaddr *)address,  in __sys_connect_file()
2039 				addrlen, sock->file->f_flags | file_flags);  in __sys_connect_file()
2074 	struct socket *sock;  in __sys_getsockname()  local
2081 	sock = sock_from_file(fd_file(f));  in __sys_getsockname()
2082 	if (unlikely(!sock))  in __sys_getsockname()
2085 	err = security_socket_getsockname(sock);  in __sys_getsockname()
2089 	err = READ_ONCE(sock->ops)->getname(sock, (struct sockaddr *)&address, 0);  in __sys_getsockname()
2111 	struct socket *sock;  in __sys_getpeername()  local
2118 	sock = sock_from_file(fd_file(f));  in __sys_getpeername()
2119 	if (unlikely(!sock))  in __sys_getpeername()
2122 	err = security_socket_getpeername(sock);  in __sys_getpeername()
2126 	err = READ_ONCE(sock->ops)->getname(sock, (struct sockaddr *)&address, 1);  in __sys_getpeername()
2148 	struct socket *sock;  in __sys_sendto()  local
2160 	sock = sock_from_file(fd_file(f));  in __sys_sendto()
2161 	if (unlikely(!sock))  in __sys_sendto()
2177 	if (sock->file->f_flags & O_NONBLOCK)  in __sys_sendto()
2180 	return __sock_sendmsg(sock, &msg);  in __sys_sendto()
2213 	struct socket *sock;  in __sys_recvfrom()  local
2224 	sock = sock_from_file(fd_file(f));  in __sys_recvfrom()
2225 	if (unlikely(!sock))  in __sys_recvfrom()
2228 	if (sock->file->f_flags & O_NONBLOCK)  in __sys_recvfrom()
2230 	err = sock_recvmsg(sock, &msg, flags);  in __sys_recvfrom()
2258 static bool sock_use_custom_sol_socket(const struct socket *sock)  in sock_use_custom_sol_socket()  argument
2260 	return test_bit(SOCK_CUSTOM_SOCKOPT, &sock->flags);  in sock_use_custom_sol_socket()
2263 int do_sock_setsockopt(struct socket *sock, bool compat, int level,  in do_sock_setsockopt()  argument
2273 	err = security_socket_setsockopt(sock, level, optname);  in do_sock_setsockopt()
2278 		err = BPF_CGROUP_RUN_PROG_SETSOCKOPT(sock->sk, &level, &optname,  in do_sock_setsockopt()
2290 	ops = READ_ONCE(sock->ops);  in do_sock_setsockopt()
2291 	if (level == SOL_SOCKET && !sock_use_custom_sol_socket(sock))  in do_sock_setsockopt()
2292 		err = sock_setsockopt(sock, level, optname, optval, optlen);  in do_sock_setsockopt()
2296 		err = ops->setsockopt(sock, level, optname, optval,  in do_sock_setsockopt()
2312 	struct socket *sock;  in __sys_setsockopt()  local
2317 	sock = sock_from_file(fd_file(f));  in __sys_setsockopt()
2318 	if (unlikely(!sock))  in __sys_setsockopt()
2321 	return do_sock_setsockopt(sock, compat, level, optname, optval, optlen);  in __sys_setsockopt()
2333 int do_sock_getsockopt(struct socket *sock, bool compat, int level,  in do_sock_getsockopt()  argument
2340 	err = security_socket_getsockopt(sock, level, optname);  in do_sock_getsockopt()
2347 	ops = READ_ONCE(sock->ops);  in do_sock_getsockopt()
2349 		err = sk_getsockopt(sock->sk, level, optname, optval, optlen);  in do_sock_getsockopt()
2357 		err = ops->getsockopt(sock, level, optname, optval.user,  in do_sock_getsockopt()
2362 		err = BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock->sk, level, optname,  in do_sock_getsockopt()
2377 	struct socket *sock;  in __sys_getsockopt()  local
2382 	sock = sock_from_file(fd_file(f));  in __sys_getsockopt()
2383 	if (unlikely(!sock))  in __sys_getsockopt()
2386 	return do_sock_getsockopt(sock, in_compat_syscall(), level, optname,  in __sys_getsockopt()
2400 int __sys_shutdown_sock(struct socket *sock, int how)  in __sys_shutdown_sock()  argument
2404 	err = security_socket_shutdown(sock, how);  in __sys_shutdown_sock()
2406 		err = READ_ONCE(sock->ops)->shutdown(sock, how);  in __sys_shutdown_sock()
2413 	struct socket *sock;  in __sys_shutdown()  local
2418 	sock = sock_from_file(fd_file(f));  in __sys_shutdown()
2419 	if (unlikely(!sock))  in __sys_shutdown()
2422 	return __sys_shutdown_sock(sock, how);  in __sys_shutdown()
2509 static int ____sys_sendmsg(struct socket *sock, struct msghdr *msg_sys,  in ____sys_sendmsg()  argument
2528 		    cmsghdr_from_user_compat_to_kern(msg_sys, sock->sk, ctl,  in ____sys_sendmsg()
2538 			ctl_buf = sock_kmalloc(sock->sk, ctl_len, GFP_KERNEL);  in ____sys_sendmsg()
2551 	if (sock->file->f_flags & O_NONBLOCK)  in ____sys_sendmsg()
2563 		err = sock_sendmsg_nosec(sock, msg_sys);  in ____sys_sendmsg()
2566 	err = __sock_sendmsg(sock, msg_sys);  in ____sys_sendmsg()
2580 		sock_kfree_s(sock->sk, ctl_buf, ctl_len);  in ____sys_sendmsg()
2605 static int ___sys_sendmsg(struct socket *sock, struct user_msghdr __user *msg,  in ___sys_sendmsg()  argument
2620 	err = ____sys_sendmsg(sock, msg_sys, flags, used_address,  in ___sys_sendmsg()
2629 long __sys_sendmsg_sock(struct socket *sock, struct msghdr *msg,  in __sys_sendmsg_sock()  argument
2632 	return ____sys_sendmsg(sock, msg, flags, NULL, 0);  in __sys_sendmsg_sock()
2639 	struct socket *sock;  in __sys_sendmsg()  local
2648 	sock = sock_from_file(fd_file(f));  in __sys_sendmsg()
2649 	if (unlikely(!sock))  in __sys_sendmsg()
2652 	return ___sys_sendmsg(sock, msg, &msg_sys, flags, NULL, 0);  in __sys_sendmsg()
2668 	struct socket *sock;  in __sys_sendmmsg()  local
2687 	sock = sock_from_file(fd_file(f));  in __sys_sendmmsg()
2688 	if (unlikely(!sock))  in __sys_sendmmsg()
2702 			err = ___sys_sendmsg(sock, (struct user_msghdr __user *)compat_entry,  in __sys_sendmmsg()
2709 			err = ___sys_sendmsg(sock,  in __sys_sendmmsg()
2760 static int ____sys_recvmsg(struct socket *sock, struct msghdr *msg_sys,  in ____sys_recvmsg()  argument
2780 	if (sock->file->f_flags & O_NONBLOCK)  in ____sys_recvmsg()
2784 		err = sock_recvmsg_nosec(sock, msg_sys, flags);  in ____sys_recvmsg()
2786 		err = sock_recvmsg(sock, msg_sys, flags);  in ____sys_recvmsg()
2816 static int ___sys_recvmsg(struct socket *sock, struct user_msghdr __user *msg,  in ___sys_recvmsg()  argument
2828 	err = ____sys_recvmsg(sock, msg_sys, msg, uaddr, flags, nosec);  in ___sys_recvmsg()
2837 long __sys_recvmsg_sock(struct socket *sock, struct msghdr *msg,  in __sys_recvmsg_sock()  argument
2841 	return ____sys_recvmsg(sock, msg, umsg, uaddr, flags, 0);  in __sys_recvmsg_sock()
2848 	struct socket *sock;  in __sys_recvmsg()  local
2857 	sock = sock_from_file(fd_file(f));  in __sys_recvmsg()
2858 	if (unlikely(!sock))  in __sys_recvmsg()
2861 	return ___sys_recvmsg(sock, msg, &msg_sys, flags, 0);  in __sys_recvmsg()
2879 	struct socket *sock;  in do_recvmmsg()  local
2897 	sock = sock_from_file(fd_file(f));  in do_recvmmsg()
2898 	if (unlikely(!sock))  in do_recvmmsg()
2902 		err = sock_error(sock->sk);  in do_recvmmsg()
2915 			err = ___sys_recvmsg(sock, (struct user_msghdr __user *)compat_entry,  in do_recvmmsg()
2923 			err = ___sys_recvmsg(sock,  in do_recvmmsg()
2977 		WRITE_ONCE(sock->sk->sk_err, -err);  in do_recvmmsg()
3390 static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,  in compat_sock_ioctl_trans()  argument
3394 	struct sock *sk = sock->sk;  in compat_sock_ioctl_trans()
3406 		ops = READ_ONCE(sock->ops);  in compat_sock_ioctl_trans()
3409 		return ops->gettstamp(sock, argp, cmd == SIOCGSTAMP_OLD,  in compat_sock_ioctl_trans()
3481 		return sock_do_ioctl(net, sock, cmd, arg);  in compat_sock_ioctl_trans()
3490 	struct socket *sock = file->private_data;  in compat_sock_ioctl()  local
3491 	const struct proto_ops *ops = READ_ONCE(sock->ops);  in compat_sock_ioctl()
3493 	struct sock *sk;  in compat_sock_ioctl()
3496 	sk = sock->sk;  in compat_sock_ioctl()
3500 		ret = ops->compat_ioctl(sock, cmd, arg);  in compat_sock_ioctl()
3507 		ret = compat_sock_ioctl_trans(file, sock, cmd, arg);  in compat_sock_ioctl()
3522 int kernel_bind(struct socket *sock, struct sockaddr *addr, int addrlen)  in kernel_bind()  argument
3528 	return READ_ONCE(sock->ops)->bind(sock, (struct sockaddr *)&address,  in kernel_bind()
3541 int kernel_listen(struct socket *sock, int backlog)  in kernel_listen()  argument
3543 	return READ_ONCE(sock->ops)->listen(sock, backlog);  in kernel_listen()
3558 int kernel_accept(struct socket *sock, struct socket **newsock, int flags)  in kernel_accept()  argument
3560 	struct sock *sk = sock->sk;  in kernel_accept()
3561 	const struct proto_ops *ops = READ_ONCE(sock->ops);  in kernel_accept()
3573 	err = ops->accept(sock, *newsock, &arg);  in kernel_accept()
3601 int kernel_connect(struct socket *sock, struct sockaddr *addr, int addrlen,  in kernel_connect()  argument
3608 	return READ_ONCE(sock->ops)->connect(sock, (struct sockaddr *)&address,  in kernel_connect()
3622 int kernel_getsockname(struct socket *sock, struct sockaddr *addr)  in kernel_getsockname()  argument
3624 	return READ_ONCE(sock->ops)->getname(sock, addr, 0);  in kernel_getsockname()
3637 int kernel_getpeername(struct socket *sock, struct sockaddr *addr)  in kernel_getpeername()  argument
3639 	return READ_ONCE(sock->ops)->getname(sock, addr, 1);  in kernel_getpeername()
3651 int kernel_sock_shutdown(struct socket *sock, enum sock_shutdown_cmd how)  in kernel_sock_shutdown()  argument
3653 	return READ_ONCE(sock->ops)->shutdown(sock, how);  in kernel_sock_shutdown()
3667 u32 kernel_sock_ip_overhead(struct sock *sk)  in kernel_sock_ip_overhead()