diff options
Diffstat (limited to 'net/socket.c')
| -rw-r--r-- | net/socket.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/net/socket.c b/net/socket.c index 888cd618a968..c6c44e26e954 100644 --- a/net/socket.c +++ b/net/socket.c @@ -385,7 +385,7 @@ static const struct xattr_handler sockfs_xattr_handler = { }; static int sockfs_security_xattr_set(const struct xattr_handler *handler, - struct user_namespace *mnt_userns, + struct mnt_idmap *idmap, struct dentry *dentry, struct inode *inode, const char *suffix, const void *value, size_t size, int flags) @@ -589,10 +589,10 @@ static ssize_t sockfs_listxattr(struct dentry *dentry, char *buffer, return used; } -static int sockfs_setattr(struct user_namespace *mnt_userns, +static int sockfs_setattr(struct mnt_idmap *idmap, struct dentry *dentry, struct iattr *iattr) { - int err = simple_setattr(&init_user_ns, dentry, iattr); + int err = simple_setattr(&nop_mnt_idmap, dentry, iattr); if (!err && (iattr->ia_valid & ATTR_UID)) { struct socket *sock = SOCKET_I(d_inode(dentry)); @@ -971,9 +971,12 @@ static inline void sock_recv_drops(struct msghdr *msg, struct sock *sk, static void sock_recv_mark(struct msghdr *msg, struct sock *sk, struct sk_buff *skb) { - if (sock_flag(sk, SOCK_RCVMARK) && skb) - put_cmsg(msg, SOL_SOCKET, SO_MARK, sizeof(__u32), - &skb->mark); + if (sock_flag(sk, SOCK_RCVMARK) && skb) { + /* We must use a bounce buffer for CONFIG_HARDENED_USERCOPY=y */ + __u32 mark = skb->mark; + + put_cmsg(msg, SOL_SOCKET, SO_MARK, sizeof(__u32), &mark); + } } void __sock_recv_cmsgs(struct msghdr *msg, struct sock *sk, |