diff options
| author | Nicolas Dichtel | 2013-06-05 15:30:55 +0200 |
|---|---|---|
| committer | David S. Miller | 2013-06-11 07:23:32 +0200 |
| commit | ed13998c319b050fc9abdb73915859dfdbe1fb38 (patch) | |
| tree | 347c9ba28d34f2ab94823f8d52c0d223e00c036f /net/core/sock_diag.c | |
| parent | tuntap: fix a possible race between queue selection and changing queues (diff) | |
| download | kernel-qcow2-linux-ed13998c319b050fc9abdb73915859dfdbe1fb38.tar.gz kernel-qcow2-linux-ed13998c319b050fc9abdb73915859dfdbe1fb38.tar.xz kernel-qcow2-linux-ed13998c319b050fc9abdb73915859dfdbe1fb38.zip | |
sock_diag: fix filter code sent to userspace
Filters need to be translated to real BPF code for userland, like SO_GETFILTER.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core/sock_diag.c')
| -rw-r--r-- | net/core/sock_diag.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c index d5bef0b0f639..a0e9cf6379de 100644 --- a/net/core/sock_diag.c +++ b/net/core/sock_diag.c @@ -73,8 +73,13 @@ int sock_diag_put_filterinfo(struct user_namespace *user_ns, struct sock *sk, goto out; } - if (filter) - memcpy(nla_data(attr), filter->insns, len); + if (filter) { + struct sock_filter *fb = (struct sock_filter *)nla_data(attr); + int i; + + for (i = 0; i < filter->len; i++, fb++) + sk_decode_filter(&filter->insns[i], fb); + } out: rcu_read_unlock(); |