diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c
index d0cde541beb6e..93bdc2a4ba209 100644
--- a/crypto/algif_hash.c
+++ b/crypto/algif_hash.c
@@ -267,10 +267,6 @@ static int hash_accept(struct socket *sock, struct socket *newsock, int flags,
 		return err;
 
 	err = crypto_ahash_import(&ctx2->req, state);
-	if (err) {
-		sock_orphan(sk2);
-		sock_put(sk2);
-	}
 
 	return err;
 }
diff --git a/drivers/memstick/host/rtsx_usb_ms.c b/drivers/memstick/host/rtsx_usb_ms.c
index ea26da7f34373..0af4a0b92edaf 100644
--- a/drivers/memstick/host/rtsx_usb_ms.c
+++ b/drivers/memstick/host/rtsx_usb_ms.c
@@ -824,6 +824,7 @@ static int rtsx_usb_ms_drv_remove(struct platform_device *pdev)
 
 	host->eject = true;
 	cancel_work_sync(&host->handle_req);
+	cancel_delayed_work_sync(&host->poll_card);
 
 	mutex_lock(&host->host_mutex);
 	if (host->req) {
diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index ed88e38d488b2..30e15a6fc0ce2 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -1063,10 +1063,11 @@ int i40e_pf_reset(struct i40e_hw *hw)
 void i40e_clear_hw(struct i40e_hw *hw)
 {
 	u32 num_queues, base_queue;
-	u32 num_pf_int;
-	u32 num_vf_int;
+	s32 num_pf_int;
+	s32 num_vf_int;
 	u32 num_vfs;
-	u32 i, j;
+	s32 i;
+	u32 j;
 	u32 val;
 	u32 eol = 0x7ff;
 
diff --git a/drivers/net/usb/ch9200.c b/drivers/net/usb/ch9200.c
index d7f3b70d54775..421853410fc27 100644
--- a/drivers/net/usb/ch9200.c
+++ b/drivers/net/usb/ch9200.c
@@ -178,6 +178,7 @@ static int ch9200_mdio_read(struct net_device *netdev, int phy_id, int loc)
 {
 	struct usbnet *dev = netdev_priv(netdev);
 	unsigned char buff[2];
+	int ret;
 
 	netdev_dbg(netdev, "%s phy_id:%02x loc:%02x\n",
 		   __func__, phy_id, loc);
@@ -185,8 +186,10 @@ static int ch9200_mdio_read(struct net_device *netdev, int phy_id, int loc)
 	if (phy_id != 0)
 		return -ENODEV;
 
-	control_read(dev, REQUEST_READ, 0, loc * 2, buff, 0x02,
-		     CONTROL_TIMEOUT_MS);
+	ret = control_read(dev, REQUEST_READ, 0, loc * 2, buff, 0x02,
+			   CONTROL_TIMEOUT_MS);
+	if (ret < 0)
+		return ret;
 
 	return (buff[0] | buff[1] << 8);
 }
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index 645fa87b3fb6f..a6a31a1afcf67 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -2213,6 +2213,13 @@ static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
 		size = (rx_cmd_a & RX_CMD_A_LEN) - RXW_PADDING;
 		align_count = (4 - ((size + RXW_PADDING) % 4)) % 4;
 
+		if (unlikely(size > skb->len)) {
+			netif_dbg(dev, rx_err, dev->net,
+				  "size err rx_cmd_a=0x%08x\n",
+				  rx_cmd_a);
+			return 0;
+		}
+
 		if (unlikely(rx_cmd_a & RX_CMD_A_RED)) {
 			netif_dbg(dev, rx_err, dev->net,
 				  "Error rx_cmd_a=0x%08x\n", rx_cmd_a);
diff --git a/drivers/net/wireless/realtek/rtw88/coex.c b/drivers/net/wireless/realtek/rtw88/coex.c
index 86467d2f8888c..d0ed6a4e86716 100644
--- a/drivers/net/wireless/realtek/rtw88/coex.c
+++ b/drivers/net/wireless/realtek/rtw88/coex.c
@@ -309,7 +309,7 @@ static void rtw_coex_tdma_timer_base(struct rtw_dev *rtwdev, u8 type)
 {
 	struct rtw_coex *coex = &rtwdev->coex;
 	struct rtw_coex_stat *coex_stat = &coex->stat;
-	u8 para[2] = {0};
+	u8 para[6] = {};
 	u8 times;
 	u16 tbtt_interval = coex_stat->wl_beacon_interval;
 
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 13d37f5190e4d..e4a0417b65ea3 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1803,7 +1803,7 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir,
 	 * split it in half by count; each resulting block will have at least
 	 * half the space free.
 	 */
-	if (i > 0)
+	if (i >= 0)
 		split = count - move;
 	else
 		split = count/2;
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 79e7d42cddc9a..d5a8bc0dda7bc 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -1137,15 +1137,24 @@ ext4_xattr_inode_dec_ref_all(handle_t *handle, struct inode *parent,
 {
 	struct inode *ea_inode;
 	struct ext4_xattr_entry *entry;
+	struct ext4_iloc iloc;
 	bool dirty = false;
 	unsigned int ea_ino;
 	int err;
 	int credits;
+	void *end;
+
+	if (block_csum)
+		end = (void *)bh->b_data + bh->b_size;
+	else {
+		ext4_get_inode_loc(parent, &iloc);
+		end = (void *)ext4_raw_inode(&iloc) + EXT4_SB(parent->i_sb)->s_inode_size;
+	}
 
 	/* One credit for dec ref on ea_inode, one for orphan list addition, */
 	credits = 2 + extra_credits;
 
-	for (entry = first; !IS_LAST_ENTRY(entry);
+	for (entry = first; (void *)entry < end && !IS_LAST_ENTRY(entry);
 	     entry = EXT4_XATTR_NEXT(entry)) {
 		if (!entry->e_value_inum)
 			continue;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 41a5e560a32a3..a50b004faca83 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2468,6 +2468,12 @@ struct net *dev_net(const struct net_device *dev)
 	return read_pnet(&dev->nd_net);
 }
 
+static inline
+struct net *dev_net_rcu(const struct net_device *dev)
+{
+	return read_pnet_rcu(&dev->nd_net);
+}
+
 static inline
 void dev_net_set(struct net_device *dev, struct net *net)
 {
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 54648a4484b65..c410b14582952 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -342,21 +342,30 @@ static inline int check_net(const struct net *net)
 
 typedef struct {
 #ifdef CONFIG_NET_NS
-	struct net *net;
+	struct net __rcu *net;
 #endif
 } possible_net_t;
 
 static inline void write_pnet(possible_net_t *pnet, struct net *net)
 {
 #ifdef CONFIG_NET_NS
-	pnet->net = net;
+	rcu_assign_pointer(pnet->net, net);
 #endif
 }
 
 static inline struct net *read_pnet(const possible_net_t *pnet)
 {
 #ifdef CONFIG_NET_NS
-	return pnet->net;
+	return rcu_dereference_protected(pnet->net, true);
+#else
+	return &init_net;
+#endif
+}
+
+static inline struct net *read_pnet_rcu(const possible_net_t *pnet)
+{
+#ifdef CONFIG_NET_NS
+	return rcu_dereference(pnet->net);
 #else
 	return &init_net;
 #endif
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index b6174edca38c4..8b483137ab106 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3345,15 +3345,17 @@ static inline bool child_cfs_rq_on_list(struct cfs_rq *cfs_rq)
 {
 	struct cfs_rq *prev_cfs_rq;
 	struct list_head *prev;
+	struct rq *rq = rq_of(cfs_rq);
 
 	if (cfs_rq->on_list) {
 		prev = cfs_rq->leaf_cfs_rq_list.prev;
 	} else {
-		struct rq *rq = rq_of(cfs_rq);
-
 		prev = rq->tmp_alone_branch;
 	}
 
+	if (prev == &rq->leaf_cfs_rq_list)
+		return false;
+
 	prev_cfs_rq = container_of(prev, struct cfs_rq, leaf_cfs_rq_list);
 
 	return (prev_cfs_rq->tg->parent == cfs_rq->tg);
diff --git a/net/atm/lec.c b/net/atm/lec.c
index 1e67398ab914e..255b37a863c8f 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -180,6 +180,7 @@ static void
 lec_send(struct atm_vcc *vcc, struct sk_buff *skb)
 {
 	struct net_device *dev = skb->dev;
+	unsigned int len = skb->len;
 
 	ATM_SKB(skb)->vcc = vcc;
 	atm_account_tx(vcc, skb);
@@ -190,7 +191,7 @@ lec_send(struct atm_vcc *vcc, struct sk_buff *skb)
 	}
 
 	dev->stats.tx_packets++;
-	dev->stats.tx_bytes += skb->len;
+	dev->stats.tx_bytes += len;
 }
 
 static void lec_tx_timeout(struct net_device *dev, unsigned int txqueue)
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 3532e0a037d67..492255d3bc48a 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -400,15 +400,11 @@ static struct sk_buff *ndisc_alloc_skb(struct net_device *dev,
 {
 	int hlen = LL_RESERVED_SPACE(dev);
 	int tlen = dev->needed_tailroom;
-	struct sock *sk = dev_net(dev)->ipv6.ndisc_sk;
 	struct sk_buff *skb;
 
 	skb = alloc_skb(hlen + sizeof(struct ipv6hdr) + len + tlen, GFP_ATOMIC);
-	if (!skb) {
-		ND_PRINTK(0, err, "ndisc: %s failed to allocate an skb\n",
-			  __func__);
+	if (!skb)
 		return NULL;
-	}
 
 	skb->protocol = htons(ETH_P_IPV6);
 	skb->dev = dev;
@@ -419,7 +415,9 @@ static struct sk_buff *ndisc_alloc_skb(struct net_device *dev,
 	/* Manually assign socket ownership as we avoid calling
 	 * sock_alloc_send_pskb() to bypass wmem buffer limits
 	 */
-	skb_set_owner_w(skb, sk);
+	rcu_read_lock();
+	skb_set_owner_w(skb, dev_net_rcu(dev)->ipv6.ndisc_sk);
+	rcu_read_unlock();
 
 	return skb;
 }
diff --git a/net/sched/sch_ets.c b/net/sched/sch_ets.c
index b10efeaf0629d..807dba2535afb 100644
--- a/net/sched/sch_ets.c
+++ b/net/sched/sch_ets.c
@@ -74,6 +74,11 @@ static const struct nla_policy ets_class_policy[TCA_ETS_MAX + 1] = {
 	[TCA_ETS_QUANTA_BAND] = { .type = NLA_U32 },
 };
 
+static bool cl_is_active(struct ets_class *cl)
+{
+	return !list_empty(&cl->alist);
+}
+
 static int ets_quantum_parse(struct Qdisc *sch, const struct nlattr *attr,
 			     unsigned int *quantum,
 			     struct netlink_ext_ack *extack)
@@ -414,7 +419,6 @@ static int ets_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 	struct ets_sched *q = qdisc_priv(sch);
 	struct ets_class *cl;
 	int err = 0;
-	bool first;
 
 	cl = ets_classify(skb, sch, &err);
 	if (!cl) {
@@ -424,7 +428,6 @@ static int ets_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 		return err;
 	}
 
-	first = !cl->qdisc->q.qlen;
 	err = qdisc_enqueue(skb, cl->qdisc, to_free);
 	if (unlikely(err != NET_XMIT_SUCCESS)) {
 		if (net_xmit_drop_count(err)) {
@@ -434,7 +437,7 @@ static int ets_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 		return err;
 	}
 
-	if (first && !ets_class_is_strict(q, cl)) {
+	if (!cl_is_active(cl) && !ets_class_is_strict(q, cl)) {
 		list_add_tail(&cl->alist, &q->active);
 		cl->deficit = cl->quantum;
 	}