#include <linux/magic.h>
#include <linux/slab.h>
#include <linux/xattr.h>
+#include <linux/nospec.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
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 (!strcmp(name, XATTR_NAME_SOCKPROTONAME)) {
if (value) {
- error = -ERANGE;
- if (proto_size + 1 > size)
- goto out;
-
- strncpy(value, proto_name, proto_size + 1);
+ if (dentry->d_name.len + 1 > size)
+ return -ERANGE;
+ memcpy(value, dentry->d_name.name, dentry->d_name.len + 1);
}
- error = proto_size + 1;
+ return dentry->d_name.len + 1;
}
-
-out:
- return error;
+ return -EOPNOTSUPP;
}
static ssize_t sockfs_listxattr(struct dentry *dentry, char *buffer,
/* We assume all kernel code knows the size of sockaddr_storage */
msg.msg_namelen = 0;
msg.msg_iocb = NULL;
+ msg.msg_flags = 0;
if (sock->file->f_flags & O_NONBLOCK)
flags |= MSG_DONTWAIT;
err = sock_recvmsg(sock, &msg, iov_iter_count(&msg.msg_iter), flags);
if (call < 1 || call > SYS_SENDMMSG)
return -EINVAL;
+ call = array_index_nospec(call, SYS_SENDMMSG + 1);
len = nargs[call];
if (len > sizeof(a))
core_initcall(sock_init); /* early initcall */
+static int __init jit_init(void)
+{
+#ifdef CONFIG_BPF_JIT_ALWAYS_ON
+ bpf_jit_enable = 1;
+#endif
+ return 0;
+}
+pure_initcall(jit_init);
+
#ifdef CONFIG_PROC_FS
void socket_seq_show(struct seq_file *seq)
{
copy_in_user(&rxnfc->fs.ring_cookie,
&compat_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)))
+ (void __user *)&rxnfc->fs.ring_cookie))
+ return -EFAULT;
+ if (ethcmd == ETHTOOL_GRXCLSRLALL) {
+ if (put_user(rule_cnt, &rxnfc->rule_cnt))
+ return -EFAULT;
+ } else if (copy_in_user(&rxnfc->rule_cnt,
+ &compat_rxnfc->rule_cnt,
+ sizeof(rxnfc->rule_cnt)))
return -EFAULT;
}