aboutsummaryrefslogtreecommitdiff
path: root/net/socket.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/socket.c')
-rw-r--r--net/socket.c666
1 files changed, 371 insertions, 295 deletions
diff --git a/net/socket.c b/net/socket.c
index 28a96af484b..abf56b2a14f 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -69,10 +69,10 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/mutex.h>
-#include <linux/wanrouter.h>
#include <linux/if_bridge.h>
#include <linux/if_frad.h>
#include <linux/if_vlan.h>
+#include <linux/ptp_classify.h>
#include <linux/init.h>
#include <linux/poll.h>
#include <linux/cache.h>
@@ -88,6 +88,7 @@
#include <linux/nsproxy.h>
#include <linux/magic.h>
#include <linux/slab.h>
+#include <linux/xattr.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
@@ -104,6 +105,12 @@
#include <linux/route.h>
#include <linux/sockios.h>
#include <linux/atalk.h>
+#include <net/busy_poll.h>
+
+#ifdef CONFIG_NET_RX_BUSY_POLL
+unsigned int sysctl_net_busy_read __read_mostly;
+unsigned int sysctl_net_busy_poll __read_mostly;
+#endif
static int sock_no_open(struct inode *irrelevant, struct file *dontcare);
static ssize_t sock_aio_read(struct kiocb *iocb, const struct iovec *iov,
@@ -181,7 +188,7 @@ static DEFINE_PER_CPU(int, sockets_in_use);
* invalid addresses -EFAULT is returned. On a success 0 is returned.
*/
-int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr *kaddr)
+int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr_storage *kaddr)
{
if (ulen < 0 || ulen > sizeof(struct sockaddr_storage))
return -EINVAL;
@@ -209,18 +216,19 @@ int move_addr_to_kernel(void __user *uaddr, int ulen, struct sockaddr *kaddr)
* specified. Zero is returned for a success.
*/
-static int move_addr_to_user(struct sockaddr *kaddr, int klen,
+static int move_addr_to_user(struct sockaddr_storage *kaddr, int klen,
void __user *uaddr, int __user *ulen)
{
int err;
int len;
+ BUG_ON(klen > sizeof(struct sockaddr_storage));
err = get_user(len, ulen);
if (err)
return err;
if (len > klen)
len = klen;
- if (len < 0 || len > sizeof(struct sockaddr_storage))
+ if (len < 0)
return -EINVAL;
if (len) {
if (audit_sockaddr(klen, kaddr))
@@ -346,22 +354,22 @@ static struct file_system_type sock_fs_type = {
* but we take care of internal coherence yet.
*/
-static int sock_alloc_file(struct socket *sock, struct file **f, int flags)
+struct file *sock_alloc_file(struct socket *sock, int flags, const char *dname)
{
struct qstr name = { .name = "" };
struct path path;
struct file *file;
- int fd;
-
- fd = get_unused_fd_flags(flags);
- if (unlikely(fd < 0))
- return fd;
- path.dentry = d_alloc_pseudo(sock_mnt->mnt_sb, &name);
- if (unlikely(!path.dentry)) {
- put_unused_fd(fd);
- return -ENOMEM;
+ if (dname) {
+ name.name = dname;
+ name.len = strlen(name.name);
+ } else if (sock->sk) {
+ name.name = sock->sk->sk_prot_creator->name;
+ name.len = strlen(name.name);
}
+ path.dentry = d_alloc_pseudo(sock_mnt->mnt_sb, &name);
+ if (unlikely(!path.dentry))
+ return ERR_PTR(-ENOMEM);
path.mnt = mntget(sock_mnt);
d_instantiate(path.dentry, SOCK_INODE(sock));
@@ -369,36 +377,38 @@ static int sock_alloc_file(struct socket *sock, struct file **f, int flags)
file = alloc_file(&path, FMODE_READ | FMODE_WRITE,
&socket_file_ops);
- if (unlikely(!file)) {
+ if (unlikely(IS_ERR(file))) {
/* drop dentry, keep inode */
ihold(path.dentry->d_inode);
path_put(&path);
- put_unused_fd(fd);
- return -ENFILE;
+ return file;
}
sock->file = file;
file->f_flags = O_RDWR | (flags & O_NONBLOCK);
- file->f_pos = 0;
file->private_data = sock;
-
- *f = file;
- return fd;
+ return file;
}
+EXPORT_SYMBOL(sock_alloc_file);
-int sock_map_fd(struct socket *sock, int flags)
+static int sock_map_fd(struct socket *sock, int flags)
{
struct file *newfile;
- int fd = sock_alloc_file(sock, &newfile, flags);
+ int fd = get_unused_fd_flags(flags);
+ if (unlikely(fd < 0))
+ return fd;
- if (likely(fd >= 0))
+ newfile = sock_alloc_file(sock, flags, NULL);
+ if (likely(!IS_ERR(newfile))) {
fd_install(fd, newfile);
+ return fd;
+ }
- return fd;
+ put_unused_fd(fd);
+ return PTR_ERR(newfile);
}
-EXPORT_SYMBOL(sock_map_fd);
-static struct socket *sock_from_file(struct file *file, int *err)
+struct socket *sock_from_file(struct file *file, int *err)
{
if (file->f_op == &socket_file_ops)
return file->private_data; /* set in sock_map_fd */
@@ -406,6 +416,7 @@ static struct socket *sock_from_file(struct file *file, int *err)
*err = -ENOTSOCK;
return NULL;
}
+EXPORT_SYMBOL(sock_from_file);
/**
* sockfd_lookup - Go from a file number to its socket slot
@@ -440,20 +451,83 @@ EXPORT_SYMBOL(sockfd_lookup);
static struct socket *sockfd_lookup_light(int fd, int *err, int *fput_needed)
{
- struct file *file;
+ struct fd f = fdget(fd);
struct socket *sock;
*err = -EBADF;
- file = fget_light(fd, fput_needed);
- if (file) {
- sock = sock_from_file(file, err);
- if (sock)
+ if (f.file) {
+ sock = sock_from_file(f.file, err);
+ if (likely(sock)) {
+ *fput_needed = f.flags;
return sock;
- fput_light(file, *fput_needed);
+ }
+ fdput(f);
}
return NULL;
}
+#define XATTR_SOCKPROTONAME_SUFFIX "sockprotoname"
+#define XATTR_NAME_SOCKPROTONAME (XATTR_SYSTEM_PREFIX XATTR_SOCKPROTONAME_SUFFIX)
+#define XATTR_NAME_SOCKPROTONAME_LEN (sizeof(XATTR_NAME_SOCKPROTONAME)-1)
+static ssize_t sockfs_getxattr(struct dentry *dentry,
+ const char *name, void *value, size_t size)
+{
+ const char *proto_name;
+ size_t proto_size;
+ int error;
+
+ error = -ENODATA;
+ if (!strncmp(name, XATTR_NAME_SOCKPROTONAME, XATTR_NAME_SOCKPROTONAME_LEN)) {
+ proto_name = dentry->d_name.name;
+ proto_size = strlen(proto_name);
+
+ if (value) {
+ error = -ERANGE;
+ if (proto_size + 1 > size)
+ goto out;
+
+ strncpy(value, proto_name, proto_size + 1);
+ }
+ error = proto_size + 1;
+ }
+
+out:
+ return error;
+}
+
+static ssize_t sockfs_listxattr(struct dentry *dentry, char *buffer,
+ size_t size)
+{
+ ssize_t len;
+ ssize_t used = 0;
+
+ len = security_inode_listsecurity(dentry->d_inode, buffer, size);
+ if (len < 0)
+ return len;
+ used += len;
+ if (buffer) {
+ if (size < used)
+ return -ERANGE;
+ buffer += len;
+ }
+
+ len = (XATTR_NAME_SOCKPROTONAME_LEN + 1);
+ used += len;
+ if (buffer) {
+ if (size < used)
+ return -ERANGE;
+ memcpy(buffer, XATTR_NAME_SOCKPROTONAME, len);
+ buffer += len;
+ }
+
+ return used;
+}
+
+static const struct inode_operations sockfs_inode_ops = {
+ .getxattr = sockfs_getxattr,
+ .listxattr = sockfs_listxattr,
+};
+
/**
* sock_alloc - allocate a socket
*
@@ -478,8 +552,9 @@ static struct socket *sock_alloc(void)
inode->i_mode = S_IFSOCK | S_IRWXUGO;
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
+ inode->i_op = &sockfs_inode_ops;
- percpu_add(sockets_in_use, 1);
+ this_cpu_add(sockets_in_use, 1);
return sock;
}
@@ -520,9 +595,12 @@ void sock_release(struct socket *sock)
}
if (rcu_dereference_protected(sock->wq, 1)->fasync_list)
- printk(KERN_ERR "sock_release: fasync list not empty!\n");
+ pr_err("%s: fasync list not empty!\n", __func__);
+
+ if (test_bit(SOCK_EXTERNALLY_ALLOCATED, &sock->flags))
+ return;
- percpu_sub(sockets_in_use, 1);
+ this_cpu_sub(sockets_in_use, 1);
if (!sock->file) {
iput(SOCK_INODE(sock));
return;
@@ -531,7 +609,7 @@ void sock_release(struct socket *sock)
}
EXPORT_SYMBOL(sock_release);
-int sock_tx_timestamp(struct sock *sk, __u8 *tx_flags)
+void sock_tx_timestamp(struct sock *sk, __u8 *tx_flags)
{
*tx_flags = 0;
if (sock_flag(sk, SOCK_TIMESTAMPING_TX_HARDWARE))
@@ -540,7 +618,6 @@ int sock_tx_timestamp(struct sock *sk, __u8 *tx_flags)
*tx_flags |= SKBTX_SW_TSTAMP;
if (sock_flag(sk, SOCK_WIFI_STATUS))
*tx_flags |= SKBTX_WIFI_STATUS;
- return 0;
}
EXPORT_SYMBOL(sock_tx_timestamp);
@@ -549,10 +626,6 @@ static inline int __sock_sendmsg_nosec(struct kiocb *iocb, struct socket *sock,
{
struct sock_iocb *si = kiocb_to_siocb(iocb);
- sock_update_classid(sock->sk);
-
- sock_update_netprioidx(sock->sk);
-
si->sock = sock;
si->scm = NULL;
si->msg = msg;
@@ -617,16 +690,6 @@ int kernel_sendmsg(struct socket *sock, struct msghdr *msg,
}
EXPORT_SYMBOL(kernel_sendmsg);
-static int ktime2ts(ktime_t kt, struct timespec *ts)
-{
- if (kt.tv64) {
- *ts = ktime_to_timespec(kt);
- return 1;
- } else {
- return 0;
- }
-}
-
/*
* called from sock_recv_timestamp() if sock_flag(sk, SOCK_RCVTSTAMP)
*/
@@ -659,17 +722,15 @@ void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
memset(ts, 0, sizeof(ts));
- if (skb->tstamp.tv64 &&
- sock_flag(sk, SOCK_TIMESTAMPING_SOFTWARE)) {
- skb_get_timestampns(skb, ts + 0);
+ if (sock_flag(sk, SOCK_TIMESTAMPING_SOFTWARE) &&
+ ktime_to_timespec_cond(skb->tstamp, ts + 0))
empty = 0;
- }
if (shhwtstamps) {
if (sock_flag(sk, SOCK_TIMESTAMPING_SYS_HARDWARE) &&
- ktime2ts(shhwtstamps->syststamp, ts + 1))
+ ktime_to_timespec_cond(shhwtstamps->syststamp, ts + 1))
empty = 0;
if (sock_flag(sk, SOCK_TIMESTAMPING_RAW_HARDWARE) &&
- ktime2ts(shhwtstamps->hwtstamp, ts + 2))
+ ktime_to_timespec_cond(shhwtstamps->hwtstamp, ts + 2))
empty = 0;
}
if (!empty)
@@ -715,8 +776,6 @@ static inline int __sock_recvmsg_nosec(struct kiocb *iocb, struct socket *sock,
{
struct sock_iocb *si = kiocb_to_siocb(iocb);
- sock_update_classid(sock->sk);
-
si->sock = sock;
si->scm = NULL;
si->msg = msg;
@@ -798,11 +857,6 @@ int kernel_recvmsg(struct socket *sock, struct msghdr *msg,
}
EXPORT_SYMBOL(kernel_recvmsg);
-static void sock_aio_dtor(struct kiocb *iocb)
-{
- kfree(iocb->private);
-}
-
static ssize_t sock_sendpage(struct file *file, struct page *page,
int offset, size_t size, loff_t *ppos, int more)
{
@@ -811,9 +865,9 @@ static ssize_t sock_sendpage(struct file *file, struct page *page,
sock = file->private_data;
- flags = !(file->f_flags & O_NONBLOCK) ? 0 : MSG_DONTWAIT;
- if (more)
- flags |= MSG_MORE;
+ flags = (file->f_flags & O_NONBLOCK) ? MSG_DONTWAIT : 0;
+ /* more is a combination of MSG_MORE and MSG_SENDPAGE_NOTLAST */
+ flags |= more;
return kernel_sendpage(sock, page, offset, size, flags);
}
@@ -827,20 +881,14 @@ static ssize_t sock_splice_read(struct file *file, loff_t *ppos,
if (unlikely(!sock->ops->splice_read))
return -EINVAL;
- sock_update_classid(sock->sk);
-
return sock->ops->splice_read(sock, ppos, pipe, len, flags);
}
static struct sock_iocb *alloc_sock_iocb(struct kiocb *iocb,
struct sock_iocb *siocb)
{
- if (!is_sync_kiocb(iocb)) {
- siocb = kmalloc(sizeof(*siocb), GFP_KERNEL);
- if (!siocb)
- return NULL;
- iocb->ki_dtor = sock_aio_dtor;
- }
+ if (!is_sync_kiocb(iocb))
+ BUG();
siocb->kiocb = iocb;
iocb->private = siocb;
@@ -877,7 +925,7 @@ static ssize_t sock_aio_read(struct kiocb *iocb, const struct iovec *iov,
if (pos != 0)
return -ESPIPE;
- if (iocb->ki_left == 0) /* Match SYS5 behaviour */
+ if (iocb->ki_nbytes == 0) /* Match SYS5 behaviour */
return 0;
@@ -1094,13 +1142,24 @@ EXPORT_SYMBOL(sock_create_lite);
/* No kernel lock held - perfect */
static unsigned int sock_poll(struct file *file, poll_table *wait)
{
+ unsigned int busy_flag = 0;
struct socket *sock;
/*
* We can't return errors to poll, so it's either yes or no.
*/
sock = file->private_data;
- return sock->ops->poll(file, sock, wait);
+
+ if (sk_can_busy_loop(sock->sk)) {
+ /* this socket can poll_ll so tell the system call */
+ busy_flag = POLL_BUSY_LOOP;
+
+ /* once, only if requested by syscall */
+ if (wait && (wait->_key & POLL_BUSY_LOOP))
+ sk_busy_loop(sock->sk, 1);
+ }
+
+ return busy_flag | sock->ops->poll(file, sock, wait);
}
static int sock_mmap(struct file *file, struct vm_area_struct *vma)
@@ -1112,15 +1171,6 @@ static int sock_mmap(struct file *file, struct vm_area_struct *vma)
static int sock_close(struct inode *inode, struct file *filp)
{
- /*
- * It was possible the inode is NULL we were
- * closing an unfinished socket.
- */
-
- if (!inode) {
- printk(KERN_DEBUG "sock_close: NULL inode\n");
- return 0;
- }
sock_release(SOCKET_I(inode));
return 0;
}
@@ -1217,8 +1267,8 @@ int __sock_create(struct net *net, int family, int type, int protocol,
static int warned;
if (!warned) {
warned = 1;
- printk(KERN_INFO "%s uses obsolete (PF_INET,SOCK_PACKET)\n",
- current->comm);
+ pr_info("%s uses obsolete (PF_INET,SOCK_PACKET)\n",
+ current->comm);
}
family = PF_PACKET;
}
@@ -1234,8 +1284,7 @@ int __sock_create(struct net *net, int family, int type, int protocol,
*/
sock = sock_alloc();
if (!sock) {
- if (net_ratelimit())
- printk(KERN_WARNING "socket: no more sockets\n");
+ net_warn_ratelimited("socket: no more sockets\n");
return -ENFILE; /* Not exactly a match, but its the
closest posix thing */
}
@@ -1393,38 +1442,66 @@ SYSCALL_DEFINE4(socketpair, int, family, int, type, int, protocol,
if (err < 0)
goto out_release_both;
- fd1 = sock_alloc_file(sock1, &newfile1, flags);
+ fd1 = get_unused_fd_flags(flags);
if (unlikely(fd1 < 0)) {
err = fd1;
goto out_release_both;
}
- fd2 = sock_alloc_file(sock2, &newfile2, flags);
+ fd2 = get_unused_fd_flags(flags);
if (unlikely(fd2 < 0)) {
err = fd2;
- fput(newfile1);
- put_unused_fd(fd1);
- sock_release(sock2);
- goto out;
+ goto out_put_unused_1;
+ }
+
+ newfile1 = sock_alloc_file(sock1, flags, NULL);
+ if (unlikely(IS_ERR(newfile1))) {
+ err = PTR_ERR(newfile1);
+ goto out_put_unused_both;
+ }
+
+ newfile2 = sock_alloc_file(sock2, flags, NULL);
+ if (IS_ERR(newfile2)) {
+ err = PTR_ERR(newfile2);
+ goto out_fput_1;
}
+ err = put_user(fd1, &usockvec[0]);
+ if (err)
+ goto out_fput_both;
+
+ err = put_user(fd2, &usockvec[1]);
+ if (err)
+ goto out_fput_both;
+
audit_fd_pair(fd1, fd2);
+
fd_install(fd1, newfile1);
fd_install(fd2, newfile2);
/* fd1 and fd2 may be already another descriptors.
* Not kernel problem.
*/
- err = put_user(fd1, &usockvec[0]);
- if (!err)
- err = put_user(fd2, &usockvec[1]);
- if (!err)
- return 0;
+ return 0;
- sys_close(fd2);
- sys_close(fd1);
- return err;
+out_fput_both:
+ fput(newfile2);
+ fput(newfile1);
+ put_unused_fd(fd2);
+ put_unused_fd(fd1);
+ goto out;
+
+out_fput_1:
+ fput(newfile1);
+ put_unused_fd(fd2);
+ put_unused_fd(fd1);
+ sock_release(sock2);
+ goto out;
+out_put_unused_both:
+ put_unused_fd(fd2);
+out_put_unused_1:
+ put_unused_fd(fd1);
out_release_both:
sock_release(sock2);
out_release_1:
@@ -1449,7 +1526,7 @@ SYSCALL_DEFINE3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen)
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (sock) {
- err = move_addr_to_kernel(umyaddr, addrlen, (struct sockaddr *)&address);
+ err = move_addr_to_kernel(umyaddr, addrlen, &address);
if (err >= 0) {
err = security_socket_bind(sock,
(struct sockaddr *)&address,
@@ -1479,7 +1556,7 @@ SYSCALL_DEFINE2(listen, int, fd, int, backlog)
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (sock) {
somaxconn = sock_net(sock->sk)->core.sysctl_somaxconn;
- if ((unsigned)backlog > somaxconn)
+ if ((unsigned int)backlog > somaxconn)
backlog = somaxconn;
err = security_socket_listen(sock, backlog);
@@ -1535,12 +1612,19 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr,
*/
__module_get(newsock->ops->owner);
- newfd = sock_alloc_file(newsock, &newfile, flags);
+ newfd = get_unused_fd_flags(flags);
if (unlikely(newfd < 0)) {
err = newfd;
sock_release(newsock);
goto out_put;
}
+ newfile = sock_alloc_file(newsock, flags, sock->sk->sk_prot_creator->name);
+ if (unlikely(IS_ERR(newfile))) {
+ err = PTR_ERR(newfile);
+ put_unused_fd(newfd);
+ sock_release(newsock);
+ goto out_put;
+ }
err = security_socket_accept(sock, newsock);
if (err)
@@ -1556,7 +1640,7 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr,
err = -ECONNABORTED;
goto out_fd;
}
- err = move_addr_to_user((struct sockaddr *)&address,
+ err = move_addr_to_user(&address,
len, upeer_sockaddr, upeer_addrlen);
if (err < 0)
goto out_fd;
@@ -1605,7 +1689,7 @@ SYSCALL_DEFINE3(connect, int, fd, struct sockaddr __user *, uservaddr,
sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out;
- err = move_addr_to_kernel(uservaddr, addrlen, (struct sockaddr *)&address);
+ err = move_addr_to_kernel(uservaddr, addrlen, &address);
if (err < 0)
goto out_put;
@@ -1645,7 +1729,7 @@ SYSCALL_DEFINE3(getsockname, int, fd, struct sockaddr __user *, usockaddr,
err = sock->ops->getname(sock, (struct sockaddr *)&address, &len, 0);
if (err)
goto out_put;
- err = move_addr_to_user((struct sockaddr *)&address, len, usockaddr, usockaddr_len);
+ err = move_addr_to_user(&address, len, usockaddr, usockaddr_len);
out_put:
fput_light(sock->file, fput_needed);
@@ -1677,7 +1761,7 @@ SYSCALL_DEFINE3(getpeername, int, fd, struct sockaddr __user *, usockaddr,
sock->ops->getname(sock, (struct sockaddr *)&address, &len,
1);
if (!err)
- err = move_addr_to_user((struct sockaddr *)&address, len, usockaddr,
+ err = move_addr_to_user(&address, len, usockaddr,
usockaddr_len);
fput_light(sock->file, fput_needed);
}
@@ -1691,7 +1775,7 @@ SYSCALL_DEFINE3(getpeername, int, fd, struct sockaddr __user *, usockaddr,
*/
SYSCALL_DEFINE6(sendto, int, fd, void __user *, buff, size_t, len,
- unsigned, flags, struct sockaddr __user *, addr,
+ unsigned int, flags, struct sockaddr __user *, addr,
int, addr_len)
{
struct socket *sock;
@@ -1716,7 +1800,7 @@ SYSCALL_DEFINE6(sendto, int, fd, void __user *, buff, size_t, len,
msg.msg_controllen = 0;
msg.msg_namelen = 0;
if (addr) {
- err = move_addr_to_kernel(addr, addr_len, (struct sockaddr *)&address);
+ err = move_addr_to_kernel(addr, addr_len, &address);
if (err < 0)
goto out_put;
msg.msg_name = (struct sockaddr *)&address;
@@ -1738,7 +1822,7 @@ out:
*/
SYSCALL_DEFINE4(send, int, fd, void __user *, buff, size_t, len,
- unsigned, flags)
+ unsigned int, flags)
{
return sys_sendto(fd, buff, len, flags, NULL, 0);
}
@@ -1750,7 +1834,7 @@ SYSCALL_DEFINE4(send, int, fd, void __user *, buff, size_t, len,
*/
SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
- unsigned, flags, struct sockaddr __user *, addr,
+ unsigned int, flags, struct sockaddr __user *, addr,
int __user *, addr_len)
{
struct socket *sock;
@@ -1772,14 +1856,16 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
msg.msg_iov = &iov;
iov.iov_len = size;
iov.iov_base = ubuf;
- msg.msg_name = (struct sockaddr *)&address;
- msg.msg_namelen = sizeof(address);
+ /* Save some cycles and don't copy the address if not needed */
+ msg.msg_name = addr ? (struct sockaddr *)&address : NULL;
+ /* We assume all kernel code knows the size of sockaddr_storage */
+ msg.msg_namelen = 0;
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
err = sock_recvmsg(sock, &msg, size, flags);
if (err >= 0 && addr != NULL) {
- err2 = move_addr_to_user((struct sockaddr *)&address,
+ err2 = move_addr_to_user(&address,
msg.msg_namelen, addr, addr_len);
if (err2 < 0)
err = err2;
@@ -1794,8 +1880,8 @@ out:
* Receive a datagram from a socket.
*/
-asmlinkage long sys_recv(int fd, void __user *ubuf, size_t size,
- unsigned flags)
+SYSCALL_DEFINE4(recv, int, fd, void __user *, ubuf, size_t, size,
+ unsigned int, flags)
{
return sys_recvfrom(fd, ubuf, size, flags, NULL, NULL);
}
@@ -1896,8 +1982,22 @@ struct used_address {
unsigned int name_len;
};
-static int __sys_sendmsg(struct socket *sock, struct msghdr __user *msg,
- struct msghdr *msg_sys, unsigned flags,
+static int copy_msghdr_from_user(struct msghdr *kmsg,
+ struct msghdr __user *umsg)
+{
+ if (copy_from_user(kmsg, umsg, sizeof(struct msghdr)))
+ return -EFAULT;
+
+ if (kmsg->msg_namelen < 0)
+ return -EINVAL;
+
+ if (kmsg->msg_namelen > sizeof(struct sockaddr_storage))
+ kmsg->msg_namelen = sizeof(struct sockaddr_storage);
+ return 0;
+}
+
+static int ___sys_sendmsg(struct socket *sock, struct msghdr __user *msg,
+ struct msghdr *msg_sys, unsigned int flags,
struct used_address *used_address)
{
struct compat_msghdr __user *msg_compat =
@@ -1908,38 +2008,34 @@ static int __sys_sendmsg(struct socket *sock, struct msghdr __user *msg,
__attribute__ ((aligned(sizeof(__kernel_size_t))));
/* 20 is size of ipv6_pktinfo */
unsigned char *ctl_buf = ctl;
- int err, ctl_len, iov_size, total_len;
+ int err, ctl_len, total_len;
err = -EFAULT;
if (MSG_CMSG_COMPAT & flags) {
if (get_compat_msghdr(msg_sys, msg_compat))
return -EFAULT;
- } else if (copy_from_user(msg_sys, msg, sizeof(struct msghdr)))
- return -EFAULT;
-
- /* do not move before msg_sys is valid */
- err = -EMSGSIZE;
- if (msg_sys->msg_iovlen > UIO_MAXIOV)
- goto out;
+ } else {
+ err = copy_msghdr_from_user(msg_sys, msg);
+ if (err)
+ return err;
+ }
- /* Check whether to allocate the iovec area */
- err = -ENOMEM;
- iov_size = msg_sys->msg_iovlen * sizeof(struct iovec);
if (msg_sys->msg_iovlen > UIO_FASTIOV) {
- iov = sock_kmalloc(sock->sk, iov_size, GFP_KERNEL);
+ err = -EMSGSIZE;
+ if (msg_sys->msg_iovlen > UIO_MAXIOV)
+ goto out;
+ err = -ENOMEM;
+ iov = kmalloc(msg_sys->msg_iovlen * sizeof(struct iovec),
+ GFP_KERNEL);
if (!iov)
goto out;
}
/* This will also move the address data into kernel space */
if (MSG_CMSG_COMPAT & flags) {
- err = verify_compat_iovec(msg_sys, iov,
- (struct sockaddr *)&address,
- VERIFY_READ);
+ err = verify_compat_iovec(msg_sys, iov, &address, VERIFY_READ);
} else
- err = verify_iovec(msg_sys, iov,
- (struct sockaddr *)&address,
- VERIFY_READ);
+ err = verify_iovec(msg_sys, iov, &address, VERIFY_READ);
if (err < 0)
goto out_freeiov;
total_len = err;
@@ -2009,7 +2105,7 @@ out_freectl:
sock_kfree_s(sock->sk, ctl_buf, ctl_len);
out_freeiov:
if (iov != iovstack)
- sock_kfree_s(sock->sk, iov, iov_size);
+ kfree(iov);
out:
return err;
}
@@ -2018,22 +2114,30 @@ out:
* BSD sendmsg interface
*/
-SYSCALL_DEFINE3(sendmsg, int, fd, struct msghdr __user *, msg, unsigned, flags)
+long __sys_sendmsg(int fd, struct msghdr __user *msg, unsigned flags)
{
int fput_needed, err;
struct msghdr msg_sys;
- struct socket *sock = sockfd_lookup_light(fd, &err, &fput_needed);
+ struct socket *sock;
+ sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out;
- err = __sys_sendmsg(sock, msg, &msg_sys, flags, NULL);
+ err = ___sys_sendmsg(sock, msg, &msg_sys, flags, NULL);
fput_light(sock->file, fput_needed);
out:
return err;
}
+SYSCALL_DEFINE3(sendmsg, int, fd, struct msghdr __user *, msg, unsigned int, flags)
+{
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
+ return __sys_sendmsg(fd, msg, flags);
+}
+
/*
* Linux sendmmsg interface
*/
@@ -2064,15 +2168,16 @@ int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
while (datagrams < vlen) {
if (MSG_CMSG_COMPAT & flags) {
- err = __sys_sendmsg(sock, (struct msghdr __user *)compat_entry,
- &msg_sys, flags, &used_address);
+ err = ___sys_sendmsg(sock, (struct msghdr __user *)compat_entry,
+ &msg_sys, flags, &used_address);
if (err < 0)
break;
err = __put_user(err, &compat_entry->msg_len);
++compat_entry;
} else {
- err = __sys_sendmsg(sock, (struct msghdr __user *)entry,
- &msg_sys, flags, &used_address);
+ err = ___sys_sendmsg(sock,
+ (struct msghdr __user *)entry,
+ &msg_sys, flags, &used_address);
if (err < 0)
break;
err = put_user(err, &entry->msg_len);
@@ -2096,18 +2201,20 @@ int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
SYSCALL_DEFINE4(sendmmsg, int, fd, struct mmsghdr __user *, mmsg,
unsigned int, vlen, unsigned int, flags)
{
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
return __sys_sendmmsg(fd, mmsg, vlen, flags);
}
-static int __sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
- struct msghdr *msg_sys, unsigned flags, int nosec)
+static int ___sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
+ struct msghdr *msg_sys, unsigned int flags, int nosec)
{
struct compat_msghdr __user *msg_compat =
(struct compat_msghdr __user *)msg;
struct iovec iovstack[UIO_FASTIOV];
struct iovec *iov = iovstack;
unsigned long cmsg_ptr;
- int err, iov_size, total_len, len;
+ int err, total_len, len;
/* kernel mode address */
struct sockaddr_storage addr;
@@ -2119,37 +2226,32 @@ static int __sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
if (MSG_CMSG_COMPAT & flags) {
if (get_compat_msghdr(msg_sys, msg_compat))
return -EFAULT;
- } else if (copy_from_user(msg_sys, msg, sizeof(struct msghdr)))
- return -EFAULT;
-
- err = -EMSGSIZE;
- if (msg_sys->msg_iovlen > UIO_MAXIOV)
- goto out;
+ } else {
+ err = copy_msghdr_from_user(msg_sys, msg);
+ if (err)
+ return err;
+ }
- /* Check whether to allocate the iovec area */
- err = -ENOMEM;
- iov_size = msg_sys->msg_iovlen * sizeof(struct iovec);
if (msg_sys->msg_iovlen > UIO_FASTIOV) {
- iov = sock_kmalloc(sock->sk, iov_size, GFP_KERNEL);
+ err = -EMSGSIZE;
+ if (msg_sys->msg_iovlen > UIO_MAXIOV)
+ goto out;
+ err = -ENOMEM;
+ iov = kmalloc(msg_sys->msg_iovlen * sizeof(struct iovec),
+ GFP_KERNEL);
if (!iov)
goto out;
}
- /*
- * Save the user-mode address (verify_iovec will change the
- * kernel msghdr to use the kernel address space)
+ /* Save the user-mode address (verify_iovec will change the
+ * kernel msghdr to use the kernel address space)
*/
-
uaddr = (__force void __user *)msg_sys->msg_name;
uaddr_len = COMPAT_NAMELEN(msg);
- if (MSG_CMSG_COMPAT & flags) {
- err = verify_compat_iovec(msg_sys, iov,
- (struct sockaddr *)&addr,
- VERIFY_WRITE);
- } else
- err = verify_iovec(msg_sys, iov,
- (struct sockaddr *)&addr,
- VERIFY_WRITE);
+ if (MSG_CMSG_COMPAT & flags)
+ err = verify_compat_iovec(msg_sys, iov, &addr, VERIFY_WRITE);
+ else
+ err = verify_iovec(msg_sys, iov, &addr, VERIFY_WRITE);
if (err < 0)
goto out_freeiov;
total_len = err;
@@ -2157,6 +2259,9 @@ static int __sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
cmsg_ptr = (unsigned long)msg_sys->msg_control;
msg_sys->msg_flags = flags & (MSG_CMSG_CLOEXEC|MSG_CMSG_COMPAT);
+ /* We assume all kernel code knows the size of sockaddr_storage */
+ msg_sys->msg_namelen = 0;
+
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
err = (nosec ? sock_recvmsg_nosec : sock_recvmsg)(sock, msg_sys,
@@ -2166,7 +2271,7 @@ static int __sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
len = err;
if (uaddr != NULL) {
- err = move_addr_to_user((struct sockaddr *)&addr,
+ err = move_addr_to_user(&addr,
msg_sys->msg_namelen, uaddr,
uaddr_len);
if (err < 0)
@@ -2188,7 +2293,7 @@ static int __sys_recvmsg(struct socket *sock, struct msghdr __user *msg,
out_freeiov:
if (iov != iovstack)
- sock_kfree_s(sock->sk, iov, iov_size);
+ kfree(iov);
out:
return err;
}
@@ -2197,23 +2302,31 @@ out:
* BSD recvmsg interface
*/
-SYSCALL_DEFINE3(recvmsg, int, fd, struct msghdr __user *, msg,
- unsigned int, flags)
+long __sys_recvmsg(int fd, struct msghdr __user *msg, unsigned flags)
{
int fput_needed, err;
struct msghdr msg_sys;
- struct socket *sock = sockfd_lookup_light(fd, &err, &fput_needed);
+ struct socket *sock;
+ sock = sockfd_lookup_light(fd, &err, &fput_needed);
if (!sock)
goto out;
- err = __sys_recvmsg(sock, msg, &msg_sys, flags, 0);
+ err = ___sys_recvmsg(sock, msg, &msg_sys, flags, 0);
fput_light(sock->file, fput_needed);
out:
return err;
}
+SYSCALL_DEFINE3(recvmsg, int, fd, struct msghdr __user *, msg,
+ unsigned int, flags)
+{
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
+ return __sys_recvmsg(fd, msg, flags);
+}
+
/*
* Linux recvmmsg interface
*/
@@ -2251,17 +2364,18 @@ int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
* No need to ask LSM for more than the first datagram.
*/
if (MSG_CMSG_COMPAT & flags) {
- err = __sys_recvmsg(sock, (struct msghdr __user *)compat_entry,
- &msg_sys, flags & ~MSG_WAITFORONE,
- datagrams);
+ err = ___sys_recvmsg(sock, (struct msghdr __user *)compat_entry,
+ &msg_sys, flags & ~MSG_WAITFORONE,
+ datagrams);
if (err < 0)
break;
err = __put_user(err, &compat_entry->msg_len);
++compat_entry;
} else {
- err = __sys_recvmsg(sock, (struct msghdr __user *)entry,
- &msg_sys, flags & ~MSG_WAITFORONE,
- datagrams);
+ err = ___sys_recvmsg(sock,
+ (struct msghdr __user *)entry,
+ &msg_sys, flags & ~MSG_WAITFORONE,
+ datagrams);
if (err < 0)
break;
err = put_user(err, &entry->msg_len);
@@ -2328,6 +2442,9 @@ SYSCALL_DEFINE5(recvmmsg, int, fd, struct mmsghdr __user *, mmsg,
int datagrams;
struct timespec timeout_sys;
+ if (flags & MSG_CMSG_COMPAT)
+ return -EINVAL;
+
if (!timeout)
return __sys_recvmmsg(fd, mmsg, vlen, flags, NULL);
@@ -2365,7 +2482,7 @@ static const unsigned char nargs[21] = {
SYSCALL_DEFINE2(socketcall, int, call, unsigned long __user *, args)
{
- unsigned long a[6];
+ unsigned long a[AUDITSC_ARGS];
unsigned long a0, a1;
int err;
unsigned int len;
@@ -2381,7 +2498,9 @@ SYSCALL_DEFINE2(socketcall, int, call, unsigned long __user *, args)
if (copy_from_user(a, args, len))
return -EFAULT;
- audit_socketcall(nargs[call] / sizeof(unsigned long), a);
+ err = audit_socketcall(nargs[call] / sizeof(unsigned long), a);
+ if (err)
+ return err;
a0 = a[0];
a1 = a[1];
@@ -2482,8 +2601,7 @@ int sock_register(const struct net_proto_family *ops)
int err;
if (ops->family >= NPROTO) {
- printk(KERN_CRIT "protocol %d >= NPROTO(%d)\n", ops->family,
- NPROTO);
+ pr_crit("protocol %d >= NPROTO(%d)\n", ops->family, NPROTO);
return -ENOBUFS;
}
@@ -2497,7 +2615,7 @@ int sock_register(const struct net_proto_family *ops)
}
spin_unlock(&net_family_lock);
- printk(KERN_INFO "NET: Registered protocol family %d\n", ops->family);
+ pr_info("NET: Registered protocol family %d\n", ops->family);
return err;
}
EXPORT_SYMBOL(sock_register);
@@ -2525,19 +2643,19 @@ void sock_unregister(int family)
synchronize_rcu();
- printk(KERN_INFO "NET: Unregistered protocol family %d\n", family);
+ pr_info("NET: Unregistered protocol family %d\n", family);
}
EXPORT_SYMBOL(sock_unregister);
static int __init sock_init(void)
{
int err;
-
/*
- * Initialize sock SLAB cache.
+ * Initialize the network sysctl infrastructure.
*/
-
- sk_init();
+ err = net_sysctl_init();
+ if (err)
+ goto out;
/*
* Initialize skbuff SLAB cache
@@ -2563,12 +2681,12 @@ static int __init sock_init(void)
*/
#ifdef CONFIG_NETFILTER
- netfilter_init();
+ err = netfilter_init();
+ if (err)
+ goto out;
#endif
-#ifdef CONFIG_NETWORK_PHY_TIMESTAMPING
- skb_timestamping_init();
-#endif
+ ptp_classifier_init();
out:
return err;
@@ -2600,7 +2718,7 @@ void socket_seq_show(struct seq_file *seq)
#ifdef CONFIG_COMPAT
static int do_siocgstamp(struct net *net, struct socket *sock,
- unsigned int cmd, struct compat_timeval __user *up)
+ unsigned int cmd, void __user *up)
{
mm_segment_t old_fs = get_fs();
struct timeval ktv;
@@ -2609,15 +2727,14 @@ static int do_siocgstamp(struct net *net, struct socket *sock,
set_fs(KERNEL_DS);
err = sock_do_ioctl(net, sock, cmd, (unsigned long)&ktv);
set_fs(old_fs);
- if (!err) {
- err = put_user(ktv.tv_sec, &up->tv_sec);
- err |= __put_user(ktv.tv_usec, &up->tv_usec);
- }
+ if (!err)
+ err = compat_put_timeval(&ktv, up);
+
return err;
}
static int do_siocgstampns(struct net *net, struct socket *sock,
- unsigned int cmd, struct compat_timespec __user *up)
+ unsigned int cmd, void __user *up)
{
mm_segment_t old_fs = get_fs();
struct timespec kts;
@@ -2626,10 +2743,9 @@ static int do_siocgstampns(struct net *net, struct socket *sock,
set_fs(KERNEL_DS);
err = sock_do_ioctl(net, sock, cmd, (unsigned long)&kts);
set_fs(old_fs);
- if (!err) {
- err = put_user(kts.tv_sec, &up->tv_sec);
- err |= __put_user(kts.tv_nsec, &up->tv_nsec);
- }
+ if (!err)
+ err = compat_put_timespec(&kts, up);
+
return err;
}
@@ -2665,6 +2781,7 @@ static int dev_ifconf(struct net *net, struct compat_ifconf __user *uifc32)
if (copy_from_user(&ifc32, uifc32, sizeof(struct compat_ifconf)))
return -EFAULT;
+ memset(&ifc, 0, sizeof(ifc));
if (ifc32.ifcbuf == 0) {
ifc32.ifc_len = 0;
ifc.ifc_len = 0;
@@ -2768,7 +2885,7 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
}
ifr = compat_alloc_user_space(buf_size);
- rxnfc = (void *)ifr + ALIGN(sizeof(struct ifreq), 8);
+ rxnfc = (void __user *)ifr + ALIGN(sizeof(struct ifreq), 8);
if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
return -EFAULT;
@@ -2792,12 +2909,12 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
offsetof(struct ethtool_rxnfc, fs.ring_cookie));
if (copy_in_user(rxnfc, compat_rxnfc,
- (void *)(&rxnfc->fs.m_ext + 1) -
- (void *)rxnfc) ||
+ (void __user *)(&rxnfc->fs.m_ext + 1) -
+ (void __user *)rxnfc) ||
copy_in_user(&rxnfc->fs.ring_cookie,
&compat_rxnfc->fs.ring_cookie,
- (void *)(&rxnfc->fs.location + 1) -
- (void *)&rxnfc->fs.ring_cookie) ||
+ (void __user *)(&rxnfc->fs.location + 1) -
+ (void __user *)&rxnfc->fs.ring_cookie) ||
copy_in_user(&rxnfc->rule_cnt, &compat_rxnfc->rule_cnt,
sizeof(rxnfc->rule_cnt)))
return -EFAULT;
@@ -2809,12 +2926,12 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
if (convert_out) {
if (copy_in_user(compat_rxnfc, rxnfc,
- (const void *)(&rxnfc->fs.m_ext + 1) -
- (const void *)rxnfc) ||
+ (const void __user *)(&rxnfc->fs.m_ext + 1) -
+ (const void __user *)rxnfc) ||
copy_in_user(&compat_rxnfc->fs.ring_cookie,
&rxnfc->fs.ring_cookie,
- (const void *)(&rxnfc->fs.location + 1) -
- (const void *)&rxnfc->fs.ring_cookie) ||
+ (const void __user *)(&rxnfc->fs.location + 1) -
+ (const void __user *)&rxnfc->fs.ring_cookie) ||
copy_in_user(&compat_rxnfc->rule_cnt, &rxnfc->rule_cnt,
sizeof(rxnfc->rule_cnt)))
return -EFAULT;
@@ -2867,11 +2984,8 @@ static int bond_ioctl(struct net *net, unsigned int cmd,
struct compat_ifreq __user *ifr32)
{
struct ifreq kifr;
- struct ifreq __user *uifr;
mm_segment_t old_fs;
int err;
- u32 data;
- void __user *datap;
switch (cmd) {
case SIOCBONDENSLAVE:
@@ -2888,26 +3002,13 @@ static int bond_ioctl(struct net *net, unsigned int cmd,
set_fs(old_fs);
return err;
- case SIOCBONDSLAVEINFOQUERY:
- case SIOCBONDINFOQUERY:
- uifr = compat_alloc_user_space(sizeof(*uifr));
- if (copy_in_user(&uifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
- return -EFAULT;
-
- if (get_user(data, &ifr32->ifr_ifru.ifru_data))
- return -EFAULT;
-
- datap = compat_ptr(data);
- if (put_user(datap, &uifr->ifr_ifru.ifru_data))
- return -EFAULT;
-
- return dev_ioctl(net, cmd, uifr);
default:
return -ENOIOCTLCMD;
}
}
-static int siocdevprivate_ioctl(struct net *net, unsigned int cmd,
+/* Handle ioctls that use ifreq::ifr_data and just need struct ifreq converted */
+static int compat_ifr_data_ioctl(struct net *net, unsigned int cmd,
struct compat_ifreq __user *u_ifreq32)
{
struct ifreq __user *u_ifreq64;
@@ -2918,19 +3019,16 @@ static int siocdevprivate_ioctl(struct net *net, unsigned int cmd,
if (copy_from_user(&tmp_buf[0], &(u_ifreq32->ifr_ifrn.ifrn_name[0]),
IFNAMSIZ))
return -EFAULT;
- if (__get_user(data32, &u_ifreq32->ifr_ifru.ifru_data))
+ if (get_user(data32, &u_ifreq32->ifr_ifru.ifru_data))
return -EFAULT;
data64 = compat_ptr(data32);
u_ifreq64 = compat_alloc_user_space(sizeof(*u_ifreq64));
- /* Don't check these user accesses, just let that get trapped
- * in the ioctl handler instead.
- */
if (copy_to_user(&u_ifreq64->ifr_ifrn.ifrn_name[0], &tmp_buf[0],
IFNAMSIZ))
return -EFAULT;
- if (__put_user(data64, &u_ifreq64->ifr_ifru.ifru_data))
+ if (put_user(data64, &u_ifreq64->ifr_ifru.ifru_data))
return -EFAULT;
return dev_ioctl(net, cmd, u_ifreq64);
@@ -2982,12 +3080,12 @@ static int compat_sioc_ifmap(struct net *net, unsigned int cmd,
uifmap32 = &uifr32->ifr_ifru.ifru_map;
err = copy_from_user(&ifr, uifr32, sizeof(ifr.ifr_name));
- err |= __get_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
- err |= __get_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
- err |= __get_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
- err |= __get_user(ifr.ifr_map.irq, &uifmap32->irq);
- err |= __get_user(ifr.ifr_map.dma, &uifmap32->dma);
- err |= __get_user(ifr.ifr_map.port, &uifmap32->port);
+ err |= get_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
+ err |= get_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
+ err |= get_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
+ err |= get_user(ifr.ifr_map.irq, &uifmap32->irq);
+ err |= get_user(ifr.ifr_map.dma, &uifmap32->dma);
+ err |= get_user(ifr.ifr_map.port, &uifmap32->port);
if (err)
return -EFAULT;
@@ -2998,39 +3096,18 @@ static int compat_sioc_ifmap(struct net *net, unsigned int cmd,
if (cmd == SIOCGIFMAP && !err) {
err = copy_to_user(uifr32, &ifr, sizeof(ifr.ifr_name));
- err |= __put_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
- err |= __put_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
- err |= __put_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
- err |= __put_user(ifr.ifr_map.irq, &uifmap32->irq);
- err |= __put_user(ifr.ifr_map.dma, &uifmap32->dma);
- err |= __put_user(ifr.ifr_map.port, &uifmap32->port);
+ err |= put_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
+ err |= put_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
+ err |= put_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
+ err |= put_user(ifr.ifr_map.irq, &uifmap32->irq);
+ err |= put_user(ifr.ifr_map.dma, &uifmap32->dma);
+ err |= put_user(ifr.ifr_map.port, &uifmap32->port);
if (err)
err = -EFAULT;
}
return err;
}
-static int compat_siocshwtstamp(struct net *net, struct compat_ifreq __user *uifr32)
-{
- void __user *uptr;
- compat_uptr_t uptr32;
- struct ifreq __user *uifr;
-
- uifr = compat_alloc_user_space(sizeof(*uifr));
- if (copy_in_user(uifr, uifr32, sizeof(struct compat_ifreq)))
- return -EFAULT;
-
- if (get_user(uptr32, &uifr32->ifr_data))
- return -EFAULT;
-
- uptr = compat_ptr(uptr32);
-
- if (put_user(uptr, &uifr->ifr_data))
- return -EFAULT;
-
- return dev_ioctl(net, SIOCSHWTSTAMP, uifr);
-}
-
struct rtentry32 {
u32 rt_pad1;
struct sockaddr rt_dst; /* target address */
@@ -3077,25 +3154,25 @@ static int routing_ioctl(struct net *net, struct socket *sock,
struct in6_rtmsg32 __user *ur6 = argp;
ret = copy_from_user(&r6.rtmsg_dst, &(ur6->rtmsg_dst),
3 * sizeof(struct in6_addr));
- ret |= __get_user(r6.rtmsg_type, &(ur6->rtmsg_type));
- ret |= __get_user(r6.rtmsg_dst_len, &(ur6->rtmsg_dst_len));
- ret |= __get_user(r6.rtmsg_src_len, &(ur6->rtmsg_src_len));
- ret |= __get_user(r6.rtmsg_metric, &(ur6->rtmsg_metric));
- ret |= __get_user(r6.rtmsg_info, &(ur6->rtmsg_info));
- ret |= __get_user(r6.rtmsg_flags, &(ur6->rtmsg_flags));
- ret |= __get_user(r6.rtmsg_ifindex, &(ur6->rtmsg_ifindex));
+ ret |= get_user(r6.rtmsg_type, &(ur6->rtmsg_type));
+ ret |= get_user(r6.rtmsg_dst_len, &(ur6->rtmsg_dst_len));
+ ret |= get_user(r6.rtmsg_src_len, &(ur6->rtmsg_src_len));
+ ret |= get_user(r6.rtmsg_metric, &(ur6->rtmsg_metric));
+ ret |= get_user(r6.rtmsg_info, &(ur6->rtmsg_info));
+ ret |= get_user(r6.rtmsg_flags, &(ur6->rtmsg_flags));
+ ret |= get_user(r6.rtmsg_ifindex, &(ur6->rtmsg_ifindex));
r = (void *) &r6;
} else { /* ipv4 */
struct rtentry32 __user *ur4 = argp;
ret = copy_from_user(&r4.rt_dst, &(ur4->rt_dst),
3 * sizeof(struct sockaddr));
- ret |= __get_user(r4.rt_flags, &(ur4->rt_flags));
- ret |= __get_user(r4.rt_metric, &(ur4->rt_metric));
- ret |= __get_user(r4.rt_mtu, &(ur4->rt_mtu));
- ret |= __get_user(r4.rt_window, &(ur4->rt_window));
- ret |= __get_user(r4.rt_irtt, &(ur4->rt_irtt));
- ret |= __get_user(rtdev, &(ur4->rt_dev));
+ ret |= get_user(r4.rt_flags, &(ur4->rt_flags));
+ ret |= get_user(r4.rt_metric, &(ur4->rt_metric));
+ ret |= get_user(r4.rt_mtu, &(ur4->rt_mtu));
+ ret |= get_user(r4.rt_window, &(ur4->rt_window));
+ ret |= get_user(r4.rt_irtt, &(ur4->rt_irtt));
+ ret |= get_user(rtdev, &(ur4->rt_dev));
if (rtdev) {
ret |= copy_from_user(devname, compat_ptr(rtdev), 15);
r4.rt_dev = (char __user __force *)devname;
@@ -3142,7 +3219,7 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
struct net *net = sock_net(sk);
if (cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15))
- return siocdevprivate_ioctl(net, cmd, argp);
+ return compat_ifr_data_ioctl(net, cmd, argp);
switch (cmd) {
case SIOCSIFBR:
@@ -3162,8 +3239,6 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
case SIOCBONDENSLAVE:
case SIOCBONDRELEASE:
case SIOCBONDSETHWADDR:
- case SIOCBONDSLAVEINFOQUERY:
- case SIOCBONDINFOQUERY:
case SIOCBONDCHANGEACTIVE:
return bond_ioctl(net, cmd, argp);
case SIOCADDRT:
@@ -3173,8 +3248,11 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
return do_siocgstamp(net, sock, cmd, argp);
case SIOCGSTAMPNS:
return do_siocgstampns(net, sock, cmd, argp);
+ case SIOCBONDSLAVEINFOQUERY:
+ case SIOCBONDINFOQUERY:
case SIOCSHWTSTAMP:
- return compat_siocshwtstamp(net, argp);
+ case SIOCGHWTSTAMP:
+ return compat_ifr_data_ioctl(net, cmd, argp);
case FIOSETOWN:
case SIOCSPGRP:
@@ -3233,7 +3311,7 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
return -ENOIOCTLCMD;
}
-static long compat_sock_ioctl(struct file *file, unsigned cmd,
+static long compat_sock_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
struct socket *sock = file->private_data;
@@ -3361,8 +3439,6 @@ EXPORT_SYMBOL(kernel_setsockopt);
int kernel_sendpage(struct socket *sock, struct page *page, int offset,
size_t size, int flags)
{
- sock_update_classid(sock->sk);
-
if (sock->ops->sendpage)
return sock->ops->sendpage(sock, page, offset, size, flags);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 20:40:25 +0000