diff -NurpP --minimal linux-2.6.11.9-vs2.0-rc2/kernel/vserver/signal.c linux-2.6.11.9-vs2.0-rc2-vkill/kernel/vserver/signal.c
--- linux-2.6.11.9-vs2.0-rc2/kernel/vserver/signal.c	2005-05-26 15:50:35.000000000 +0200
+++ linux-2.6.11.9-vs2.0-rc2-vkill/kernel/vserver/signal.c	2005-05-28 14:29:04.000000000 +0200
@@ -23,21 +23,15 @@ int vc_ctx_kill(uint32_t id, void __user
 {
 	int retval, count=0;
 	struct vcmd_ctx_kill_v0 vc_data;
-	struct siginfo info;
 	struct task_struct *p;
 	struct vx_info *vxi;
+	int priv = 0;
 
 	if (!vx_check(0, VX_ADMIN))
 		return -ENOSYS;
 	if (copy_from_user (&vc_data, data, sizeof(vc_data)))
 		return -EFAULT;
 
-	info.si_signo = vc_data.sig;
-	info.si_errno = 0;
-	info.si_code = SI_USER;
-	info.si_pid = current->pid;
-	info.si_uid = current->uid;
-
 	vxi = locate_vx_info(id);
 	if (!vxi)
 		return -ESRCH;
@@ -46,17 +40,17 @@ int vc_ctx_kill(uint32_t id, void __user
 	read_lock(&tasklist_lock);
 	switch (vc_data.pid) {
 	case  0:
-		info.si_code = SI_KERNEL;
+		priv = 1;
 	case -1:
 		for_each_process(p) {
 			int err = 0;
 
 			if (vx_task_xid(p) != id || p->pid <= 1 ||
-				(vc_data.pid && vxi->vx_initpid == p->pid) ||
-				!thread_group_leader(p))
+				(vc_data.pid && vxi->vx_initpid == p->pid))
 				continue;
 
-			err = send_sig_info(vc_data.sig, &info, p);
+			err = group_send_sig_info(vc_data.sig,
+				(void *)(long)(priv != 0), p);
 			++count;
 			if (err != -EPERM)
 				retval = err;
@@ -66,21 +60,15 @@ int vc_ctx_kill(uint32_t id, void __user
 	case 1:
 		if (vxi->vx_initpid) {
 			vc_data.pid = vxi->vx_initpid;
-			info.si_code = SI_KERNEL;
+			priv = 1;
 		}
 		/* fallthrough */
 	default:
 		p = find_task_by_real_pid(vc_data.pid);
 		if (p) {
-			if (!thread_group_leader(p)) {
-				struct task_struct *tg;
-
-				tg = find_task_by_real_pid(p->tgid);
-				if (tg)
-					p = tg;
-			}
 			if ((id == -1) || (vx_task_xid(p) == id))
-				retval = send_sig_info(vc_data.sig, &info, p);
+				retval = group_send_sig_info(vc_data.sig,
+					(void*)(long)(priv != 0), p);
 		}
 		break;
 	}