netlink: kill loginuid/sessionid/sid members from struct netlink_skb_parms
Netlink message processing in the kernel is synchronous these days, the
session information can be collected when needed.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index c8d6992..cef42f5 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -4669,6 +4669,7 @@
{
int err;
struct common_audit_data ad;
+ u32 sid;
err = cap_netlink_recv(skb, capability);
if (err)
@@ -4677,8 +4678,9 @@
COMMON_AUDIT_DATA_INIT(&ad, CAP);
ad.u.cap = capability;
- return avc_has_perm(NETLINK_CB(skb).sid, NETLINK_CB(skb).sid,
- SECCLASS_CAPABILITY, CAP_TO_MASK(capability), &ad);
+ security_task_getsecid(current, &sid);
+ return avc_has_perm(sid, sid, SECCLASS_CAPABILITY,
+ CAP_TO_MASK(capability), &ad);
}
static int ipc_alloc_security(struct task_struct *task,