[ciqlts9_2] Multiple patches tested (10 commits)

arch/arm64/kvm/arm.c

@@ -351,7 +351,11 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
 	if (err)
 		return err;
 
-	return kvm_share_hyp(vcpu, vcpu + 1);
+	err = kvm_share_hyp(vcpu, vcpu + 1);
+	if (err)
+		kvm_vgic_vcpu_destroy(vcpu);
+
+	return err;
 }
 
 void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu)

drivers/gpu/drm/i915/gt/intel_engine_types.h

@@ -56,6 +56,7 @@ struct intel_breadcrumbs;
 
 typedef u32 intel_engine_mask_t;
 #define ALL_ENGINES ((intel_engine_mask_t)~0ul)
+#define VIRTUAL_ENGINES BIT(BITS_PER_TYPE(intel_engine_mask_t) - 1)
 
 struct intel_hw_status_page {
 	struct list_head timelines;

drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c

@@ -5202,6 +5202,9 @@ guc_create_virtual(struct intel_engine_cs **siblings, unsigned int count,
 
 	ve->base.flags = I915_ENGINE_IS_VIRTUAL;
 
+	BUILD_BUG_ON(ilog2(VIRTUAL_ENGINES) < I915_NUM_ENGINES);
+	ve->base.mask = VIRTUAL_ENGINES;
+
 	intel_context_init(&ve->context, &ve->base);
 
 	for (n = 0; n < count; n++) {

drivers/gpu/drm/i915/i915_request.c

@@ -134,9 +134,7 @@ static void i915_fence_release(struct dma_fence *fence)
 	i915_sw_fence_fini(&rq->semaphore);
 
 	/*
-	 * Keep one request on each engine for reserved use under mempressure
-	 * do not use with virtual engines as this really is only needed for
-	 * kernel contexts.
+	 * Keep one request on each engine for reserved use under mempressure.
 	 *
 	 * We do not hold a reference to the engine here and so have to be
 	 * very careful in what rq->engine we poke. The virtual engine is
@@ -166,8 +164,7 @@ static void i915_fence_release(struct dma_fence *fence)
 	 * know that if the rq->execution_mask is a single bit, rq->engine
 	 * can be a physical engine with the exact corresponding mask.
 	 */
-	if (!intel_engine_is_virtual(rq->engine) &&
-	    is_power_of_2(rq->execution_mask) &&
+	if (is_power_of_2(rq->execution_mask) &&
 	    !cmpxchg(&rq->engine->request_pool, NULL, rq))
 		return;
 

drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c

@@ -3682,6 +3682,11 @@ static int vmw_cmd_check(struct vmw_private *dev_priv,
 
 
 	cmd_id = header->id;
+	if (header->size > SVGA_CMD_MAX_DATASIZE) {
+		VMW_DEBUG_USER("SVGA3D command: %d is too big.\n",
+			       cmd_id + SVGA_3D_CMD_BASE);
+		return -E2BIG;
+	}
 	*size = header->size + sizeof(SVGA3dCmdHeader);
 
 	cmd_id -= SVGA_3D_CMD_BASE;

drivers/net/ethernet/mellanox/mlx5/core/en_tc.c

@@ -1561,7 +1561,8 @@ static void remove_unready_flow(struct mlx5e_tc_flow *flow)
 	uplink_priv = &rpriv->uplink_priv;
 
 	mutex_lock(&uplink_priv->unready_flows_lock);
-	unready_flow_del(flow);
+	if (flow_flag_test(flow, NOT_READY))
+		unready_flow_del(flow);
 	mutex_unlock(&uplink_priv->unready_flows_lock);
 }
 
@@ -1973,8 +1974,7 @@ static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv,
 	esw_attr = attr->esw_attr;
 	mlx5e_put_flow_tunnel_id(flow);
 
-	if (flow_flag_test(flow, NOT_READY))
-		remove_unready_flow(flow);
+	remove_unready_flow(flow);
 
 	if (mlx5e_is_offloaded_flow(flow)) {
 		if (flow_flag_test(flow, SLOW))

include/net/sctp/structs.h

@@ -777,6 +777,7 @@ struct sctp_transport {
 
 	/* Reference counting. */
 	refcount_t refcnt;
+	__u32	dead:1,
 		/* RTO-Pending : A flag used to track if one of the DATA
 		 *		chunks sent to this address is currently being
 		 *		used to compute a RTT. If this flag is 0,
@@ -786,7 +787,7 @@ struct sctp_transport {
 		 *		calculation completes (i.e. the DATA chunk
 		 *		is SACK'd) clear this flag.
 		 */
-	__u32	rto_pending:1,
+		rto_pending:1,
 
 		/*
 		 * hb_sent : a flag that signals that we have a pending

net/bluetooth/iso.c

@@ -557,6 +557,13 @@ static void iso_sock_kill(struct sock *sk)
 
 	BT_DBG("sk %p state %d", sk, sk->sk_state);
 
+	/* Sock is dead, so set conn->sk to NULL to avoid possible UAF */
+	if (iso_pi(sk)->conn) {
+		iso_conn_lock(iso_pi(sk)->conn);
+		iso_pi(sk)->conn->sk = NULL;
+		iso_conn_unlock(iso_pi(sk)->conn);
+	}
+
 	/* Kill poor orphan */
 	bt_sock_unlink(&iso_sk_list, sk);
 	sock_set_flag(sk, SOCK_DEAD);

net/ipv6/exthdrs_core.c

@@ -143,6 +143,8 @@ int ipv6_find_tlv(const struct sk_buff *skb, int offset, int type)
 			optlen = 1;
 			break;
 		default:
+			if (len < 2)
+				goto bad;
 			optlen = nh[offset + 1] + 2;
 			if (optlen > len)
 				goto bad;

net/sctp/socket.c

@@ -70,8 +70,9 @@
 /* Forward declarations for internal helper functions. */
 static bool sctp_writeable(struct sock *sk);
 static void sctp_wfree(struct sk_buff *skb);
-static int sctp_wait_for_sndbuf(struct sctp_association *asoc, long *timeo_p,
-				size_t msg_len);
+static int sctp_wait_for_sndbuf(struct sctp_association *asoc,
+				struct sctp_transport *transport,
+				long *timeo_p, size_t msg_len);
 static int sctp_wait_for_packet(struct sock *sk, int *err, long *timeo_p);
 static int sctp_wait_for_connect(struct sctp_association *, long *timeo_p);
 static int sctp_wait_for_accept(struct sock *sk, long timeo);
@@ -1826,7 +1827,7 @@ static int sctp_sendmsg_to_asoc(struct sctp_association *asoc,
 
 	if (sctp_wspace(asoc) <= 0 || !sk_wmem_schedule(sk, msg_len)) {
 		timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT);
-		err = sctp_wait_for_sndbuf(asoc, &timeo, msg_len);
+		err = sctp_wait_for_sndbuf(asoc, transport, &timeo, msg_len);
 		if (err)
 			goto err;
 	}
@@ -9172,8 +9173,9 @@ void sctp_sock_rfree(struct sk_buff *skb)
 
 
 /* Helper function to wait for space in the sndbuf.  */
-static int sctp_wait_for_sndbuf(struct sctp_association *asoc, long *timeo_p,
-				size_t msg_len)
+static int sctp_wait_for_sndbuf(struct sctp_association *asoc,
+				struct sctp_transport *transport,
+				long *timeo_p, size_t msg_len)
 {
 	struct sock *sk = asoc->base.sk;
 	long current_timeo = *timeo_p;
@@ -9183,7 +9185,9 @@ static int sctp_wait_for_sndbuf(struct sctp_association *asoc, long *timeo_p,
 	pr_debug("%s: asoc:%p, timeo:%ld, msg_len:%zu\n", __func__, asoc,
 		 *timeo_p, msg_len);
 
-	/* Increment the association's refcnt.  */
+	/* Increment the transport and association's refcnt. */
+	if (transport)
+		sctp_transport_hold(transport);
 	sctp_association_hold(asoc);
 
 	/* Wait on the association specific sndbuf space. */
@@ -9192,7 +9196,7 @@ static int sctp_wait_for_sndbuf(struct sctp_association *asoc, long *timeo_p,
 					  TASK_INTERRUPTIBLE);
 		if (asoc->base.dead)
 			goto do_dead;
-		if (!*timeo_p)
+		if ((!*timeo_p) || (transport && transport->dead))
 			goto do_nonblock;
 		if (sk->sk_err || asoc->state >= SCTP_STATE_SHUTDOWN_PENDING)
 			goto do_error;
@@ -9217,7 +9221,9 @@ static int sctp_wait_for_sndbuf(struct sctp_association *asoc, long *timeo_p,
 out:
 	finish_wait(&asoc->wait, &wait);
 
-	/* Release the association's refcnt.  */
+	/* Release the transport and association's refcnt. */
+	if (transport)
+		sctp_transport_put(transport);
 	sctp_association_put(asoc);
 
 	return err;

net/sctp/transport.c

@@ -117,6 +117,8 @@ struct sctp_transport *sctp_transport_new(struct net *net,
  */
 void sctp_transport_free(struct sctp_transport *transport)
 {
+	transport->dead = 1;
+
 	/* Try to delete the heartbeat timer.  */
 	if (del_timer(&transport->hb_timer))
 		sctp_transport_put(transport);

net/xdp/xsk.c

@@ -511,7 +511,7 @@ static struct sk_buff *xsk_build_skb(struct xdp_sock *xs,
 	return skb;
 }
 
-static int xsk_generic_xmit(struct sock *sk)
+static int __xsk_generic_xmit(struct sock *sk)
 {
 	struct xdp_sock *xs = xdp_sk(sk);
 	u32 max_batch = TX_BATCH_SIZE;
@@ -594,22 +594,13 @@ static int xsk_generic_xmit(struct sock *sk)
 	return err;
 }
 
-static int xsk_xmit(struct sock *sk)
+static int xsk_generic_xmit(struct sock *sk)
 {
-	struct xdp_sock *xs = xdp_sk(sk);
 	int ret;
 
-	if (unlikely(!(xs->dev->flags & IFF_UP)))
-		return -ENETDOWN;
-	if (unlikely(!xs->tx))
-		return -ENOBUFS;
-
-	if (xs->zc)
-		return xsk_wakeup(xs, XDP_WAKEUP_TX);
-
 	/* Drop the RCU lock since the SKB path might sleep. */
 	rcu_read_unlock();
-	ret = xsk_generic_xmit(sk);
+	ret = __xsk_generic_xmit(sk);
 	/* Reaquire RCU lock before going into common code. */
 	rcu_read_lock();
 
@@ -627,17 +618,31 @@ static bool xsk_no_wakeup(struct sock *sk)
 #endif
 }
 
+static int xsk_check_common(struct xdp_sock *xs)
+{
+	if (unlikely(!xsk_is_bound(xs)))
+		return -ENXIO;
+	if (unlikely(!(xs->dev->flags & IFF_UP)))
+		return -ENETDOWN;
+
+	return 0;
+}
+
 static int __xsk_sendmsg(struct socket *sock, struct msghdr *m, size_t total_len)
 {
 	bool need_wait = !(m->msg_flags & MSG_DONTWAIT);
 	struct sock *sk = sock->sk;
 	struct xdp_sock *xs = xdp_sk(sk);
 	struct xsk_buff_pool *pool;
+	int err;
 
-	if (unlikely(!xsk_is_bound(xs)))
-		return -ENXIO;
+	err = xsk_check_common(xs);
+	if (err)
+		return err;
 	if (unlikely(need_wait))
 		return -EOPNOTSUPP;
+	if (unlikely(!xs->tx))
+		return -ENOBUFS;
 
 	if (sk_can_busy_loop(sk)) {
 		if (xs->zc)
@@ -649,8 +654,11 @@ static int __xsk_sendmsg(struct socket *sock, struct msghdr *m, size_t total_len
 		return 0;
 
 	pool = xs->pool;
-	if (pool->cached_need_wakeup & XDP_WAKEUP_TX)
-		return xsk_xmit(sk);
+	if (pool->cached_need_wakeup & XDP_WAKEUP_TX) {
+		if (xs->zc)
+			return xsk_wakeup(xs, XDP_WAKEUP_TX);
+		return xsk_generic_xmit(sk);
+	}
 	return 0;
 }
 
@@ -670,11 +678,11 @@ static int __xsk_recvmsg(struct socket *sock, struct msghdr *m, size_t len, int
 	bool need_wait = !(flags & MSG_DONTWAIT);
 	struct sock *sk = sock->sk;
 	struct xdp_sock *xs = xdp_sk(sk);
+	int err;
 
-	if (unlikely(!xsk_is_bound(xs)))
-		return -ENXIO;
-	if (unlikely(!(xs->dev->flags & IFF_UP)))
-		return -ENETDOWN;
+	err = xsk_check_common(xs);
+	if (err)
+		return err;
 	if (unlikely(!xs->rx))
 		return -ENOBUFS;
 	if (unlikely(need_wait))
@@ -713,26 +721,24 @@ static __poll_t xsk_poll(struct file *file, struct socket *sock,
 	sock_poll_wait(file, sock, wait);
 
 	rcu_read_lock();
-	if (unlikely(!xsk_is_bound(xs))) {
-		rcu_read_unlock();
-		return mask;
-	}
+	if (xsk_check_common(xs))
+		goto out;
 
 	pool = xs->pool;
 
 	if (pool->cached_need_wakeup) {
 		if (xs->zc)
 			xsk_wakeup(xs, pool->cached_need_wakeup);
-		else
+		else if (xs->tx)
 			/* Poll needs to drive Tx also in copy mode */
-			xsk_xmit(sk);
+			xsk_generic_xmit(sk);
 	}
 
 	if (xs->rx && !xskq_prod_is_empty(xs->rx))
 		mask |= EPOLLIN | EPOLLRDNORM;
 	if (xs->tx && xsk_tx_writeable(xs))
 		mask |= EPOLLOUT | EPOLLWRNORM;
-
+out:
 	rcu_read_unlock();
 	return mask;
 }

sound/soc/intel/boards/bytcr_rt5640.c

@@ -65,7 +65,8 @@ enum {
 	BYT_RT5640_OVCD_SF_1P5		= (RT5640_OVCD_SF_1P5 << 13),
 };
 
-#define BYT_RT5640_MAP(quirk)		((quirk) &  GENMASK(3, 0))
+#define BYT_RT5640_MAP_MASK		GENMASK(3, 0)
+#define BYT_RT5640_MAP(quirk)		((quirk) & BYT_RT5640_MAP_MASK)
 #define BYT_RT5640_JDSRC(quirk)		(((quirk) & GENMASK(7, 4)) >> 4)
 #define BYT_RT5640_OVCD_TH(quirk)	(((quirk) & GENMASK(12, 8)) >> 8)
 #define BYT_RT5640_OVCD_SF(quirk)	(((quirk) & GENMASK(14, 13)) >> 13)
@@ -136,7 +137,9 @@ static void log_quirks(struct device *dev)
 		dev_info(dev, "quirk NO_INTERNAL_MIC_MAP enabled\n");
 		break;
 	default:
-		dev_err(dev, "quirk map 0x%x is not supported, microphone input will not work\n", map);
+		dev_warn_once(dev, "quirk sets invalid input map: 0x%x, default to DMIC1_MAP\n", map);
+		byt_rt5640_quirk &= ~BYT_RT5640_MAP_MASK;
+		byt_rt5640_quirk |= BYT_RT5640_DMIC1_MAP;
 		break;
 	}
 	if (byt_rt5640_quirk & BYT_RT5640_HSMIC2_ON_IN1)