diff options
Diffstat (limited to 'net/core/scm.c')
| -rw-r--r-- | net/core/scm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/core/scm.c b/net/core/scm.c index 5c356f0dee30..acb7d776fa6e 100644 --- a/net/core/scm.c +++ b/net/core/scm.c @@ -229,6 +229,8 @@ int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data) if (msg->msg_control_is_user) { struct cmsghdr __user *cm = msg->msg_control_user; + check_object_size(data, cmlen - sizeof(*cm), true); + if (!user_write_access_begin(cm, cmlen)) goto efault; |