diff options
Diffstat (limited to 'net/bpfilter/bpfilter_kern.c')
| -rw-r--r-- | net/bpfilter/bpfilter_kern.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/bpfilter/bpfilter_kern.c b/net/bpfilter/bpfilter_kern.c index 00540457e5f4..f580c3344cb3 100644 --- a/net/bpfilter/bpfilter_kern.c +++ b/net/bpfilter/bpfilter_kern.c @@ -60,17 +60,17 @@ stop: } static int bpfilter_process_sockopt(struct sock *sk, int optname, - char __user *optval, unsigned int optlen, + sockptr_t optval, unsigned int optlen, bool is_set) { struct mbox_request req = { .is_set = is_set, .pid = current->pid, .cmd = optname, - .addr = (uintptr_t)optval, + .addr = (uintptr_t)optval.user, .len = optlen, }; - if (uaccess_kernel()) { + if (uaccess_kernel() || sockptr_is_kernel(optval)) { pr_err("kernel access not supported\n"); return -EFAULT; } |