Re: Linux 4.17.13

[Greg KH <gregkh@linuxfoundation.org>]

diff --git a/Makefile b/Makefile
index 790e8faf0ddc..2534e51de1db 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 17
-SUBLEVEL = 12
+SUBLEVEL = 13
 EXTRAVERSION =
 NAME = Merciless Moray
 
diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S
index 3166b9674429..b9699e63ceda 100644
--- a/arch/x86/entry/entry_64.S
+++ b/arch/x86/entry/entry_64.S
@@ -981,7 +981,7 @@ ENTRY(\sym)
 
 	call	\do_sym
 
-	jmp	error_exit			/* %ebx: no swapgs flag */
+	jmp	error_exit
 	.endif
 END(\sym)
 .endm
@@ -1222,7 +1222,6 @@ END(paranoid_exit)
 
 /*
  * Save all registers in pt_regs, and switch GS if needed.
- * Return: EBX=0: came from user mode; EBX=1: otherwise
  */
 ENTRY(error_entry)
 	UNWIND_HINT_FUNC
@@ -1269,7 +1268,6 @@ ENTRY(error_entry)
 	 * for these here too.
 	 */
 .Lerror_kernelspace:
-	incl	%ebx
 	leaq	native_irq_return_iret(%rip), %rcx
 	cmpq	%rcx, RIP+8(%rsp)
 	je	.Lerror_bad_iret
@@ -1303,28 +1301,20 @@ ENTRY(error_entry)
 
 	/*
 	 * Pretend that the exception came from user mode: set up pt_regs
-	 * as if we faulted immediately after IRET and clear EBX so that
-	 * error_exit knows that we will be returning to user mode.
+	 * as if we faulted immediately after IRET.
 	 */
 	mov	%rsp, %rdi
 	call	fixup_bad_iret
 	mov	%rax, %rsp
-	decl	%ebx
 	jmp	.Lerror_entry_from_usermode_after_swapgs
 END(error_entry)
 
-
-/*
- * On entry, EBX is a "return to kernel mode" flag:
- *   1: already in kernel mode, don't need SWAPGS
- *   0: user gsbase is loaded, we need SWAPGS and standard preparation for return to usermode
- */
 ENTRY(error_exit)
 	UNWIND_HINT_REGS
 	DISABLE_INTERRUPTS(CLBR_ANY)
 	TRACE_IRQS_OFF
-	testl	%ebx, %ebx
-	jnz	retint_kernel
+	testb	$3, CS(%rsp)
+	jz	retint_kernel
 	jmp	retint_user
 END(error_exit)
 
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 2aabd4cb0e3f..adbda5847b14 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -573,6 +573,9 @@ static u32 skx_deadline_rev(void)
 	case 0x04: return 0x02000014;
 	}
 
+	if (boot_cpu_data.x86_stepping > 4)
+		return 0;
+
 	return ~0U;
 }
 
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index a3bbac8ef4d0..7a28959f1985 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -7660,6 +7660,8 @@ static int enter_vmx_operation(struct kvm_vcpu *vcpu)
 		     HRTIMER_MODE_REL_PINNED);
 	vmx->nested.preemption_timer.function = vmx_preemption_timer_fn;
 
+	vmx->nested.vpid02 = allocate_vpid();
+
 	vmx->nested.vmxon = true;
 	return 0;
 
@@ -10108,11 +10110,9 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id)
 			goto free_vmcs;
 	}
 
-	if (nested) {
+	if (nested)
 		nested_vmx_setup_ctls_msrs(&vmx->nested.msrs,
 					   kvm_vcpu_apicv_active(&vmx->vcpu));
-		vmx->nested.vpid02 = allocate_vpid();
-	}
 
 	vmx->nested.posted_intr_nv = -1;
 	vmx->nested.current_vmptr = -1ull;
@@ -10129,7 +10129,6 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id)
 	return &vmx->vcpu;
 
 free_vmcs:
-	free_vpid(vmx->nested.vpid02);
 	free_loaded_vmcs(vmx->loaded_vmcs);
 free_msrs:
 	kfree(vmx->guest_msrs);
diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c
index 84fbfaba8404..d320954072cb 100644
--- a/arch/x86/platform/efi/efi_64.c
+++ b/arch/x86/platform/efi/efi_64.c
@@ -417,7 +417,7 @@ static void __init __map_region(efi_memory_desc_t *md, u64 va)
 	if (!(md->attribute & EFI_MEMORY_WB))
 		flags |= _PAGE_PCD;
 
-	if (sev_active())
+	if (sev_active() && md->type != EFI_MEMORY_MAPPED_IO)
 		flags |= _PAGE_ENC;
 
 	pfn = md->phys_addr >> PAGE_SHIFT;
diff --git a/drivers/crypto/padlock-aes.c b/drivers/crypto/padlock-aes.c
index 1c6cbda56afe..09d823d36d3a 100644
--- a/drivers/crypto/padlock-aes.c
+++ b/drivers/crypto/padlock-aes.c
@@ -266,6 +266,8 @@ static inline void padlock_xcrypt_ecb(const u8 *input, u8 *output, void *key,
 		return;
 	}
 
+	count -= initial;
+
 	if (initial)
 		asm volatile (".byte 0xf3,0x0f,0xa7,0xc8"	/* rep xcryptecb */
 			      : "+S"(input), "+D"(output)
@@ -273,7 +275,7 @@ static inline void padlock_xcrypt_ecb(const u8 *input, u8 *output, void *key,
 
 	asm volatile (".byte 0xf3,0x0f,0xa7,0xc8"	/* rep xcryptecb */
 		      : "+S"(input), "+D"(output)
-		      : "d"(control_word), "b"(key), "c"(count - initial));
+		      : "d"(control_word), "b"(key), "c"(count));
 }
 
 static inline u8 *padlock_xcrypt_cbc(const u8 *input, u8 *output, void *key,
@@ -284,6 +286,8 @@ static inline u8 *padlock_xcrypt_cbc(const u8 *input, u8 *output, void *key,
 	if (count < cbc_fetch_blocks)
 		return cbc_crypt(input, output, key, iv, control_word, count);
 
+	count -= initial;
+
 	if (initial)
 		asm volatile (".byte 0xf3,0x0f,0xa7,0xd0"	/* rep xcryptcbc */
 			      : "+S" (input), "+D" (output), "+a" (iv)
@@ -291,7 +295,7 @@ static inline u8 *padlock_xcrypt_cbc(const u8 *input, u8 *output, void *key,
 
 	asm volatile (".byte 0xf3,0x0f,0xa7,0xd0"	/* rep xcryptcbc */
 		      : "+S" (input), "+D" (output), "+a" (iv)
-		      : "d" (control_word), "b" (key), "c" (count-initial));
+		      : "d" (control_word), "b" (key), "c" (count));
 	return iv;
 }
 
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 3448e8e44c35..bc8c1c7afb84 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1499,8 +1499,9 @@ int drm_atomic_helper_async_check(struct drm_device *dev,
 {
 	struct drm_crtc *crtc;
 	struct drm_crtc_state *crtc_state;
-	struct drm_plane *plane;
-	struct drm_plane_state *old_plane_state, *new_plane_state;
+	struct drm_plane *plane = NULL;
+	struct drm_plane_state *old_plane_state = NULL;
+	struct drm_plane_state *new_plane_state = NULL;
 	const struct drm_plane_helper_funcs *funcs;
 	int i, n_planes = 0;
 
@@ -1516,7 +1517,8 @@ int drm_atomic_helper_async_check(struct drm_device *dev,
 	if (n_planes != 1)
 		return -EINVAL;
 
-	if (!new_plane_state->crtc)
+	if (!new_plane_state->crtc ||
+	    old_plane_state->crtc != new_plane_state->crtc)
 		return -EINVAL;
 
 	funcs = plane->helper_private;
diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c
index 13dcaad06798..25bc3cffcf93 100644
--- a/drivers/gpu/drm/vc4/vc4_plane.c
+++ b/drivers/gpu/drm/vc4/vc4_plane.c
@@ -319,6 +319,9 @@ static int vc4_plane_setup_clipping_and_scaling(struct drm_plane_state *state)
 			vc4_state->x_scaling[0] = VC4_SCALING_TPZ;
 		if (vc4_state->y_scaling[0] == VC4_SCALING_NONE)
 			vc4_state->y_scaling[0] = VC4_SCALING_TPZ;
+	} else {
+		vc4_state->x_scaling[1] = VC4_SCALING_NONE;
+		vc4_state->y_scaling[1] = VC4_SCALING_NONE;
 	}
 
 	vc4_state->is_unity = (vc4_state->x_scaling[0] == VC4_SCALING_NONE &&
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 7a300e3eb0c2..0c31caa2c333 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -1984,15 +1984,64 @@ static int modify_qp(struct ib_uverbs_file *file,
 		goto release_qp;
 	}
 
-	if ((cmd->base.attr_mask & IB_QP_AV) &&
-	    !rdma_is_port_valid(qp->device, cmd->base.dest.port_num)) {
-		ret = -EINVAL;
-		goto release_qp;
+	if ((cmd->base.attr_mask & IB_QP_AV)) {
+		if (!rdma_is_port_valid(qp->device, cmd->base.dest.port_num)) {
+			ret = -EINVAL;
+			goto release_qp;
+		}
+
+		if (cmd->base.attr_mask & IB_QP_STATE &&
+		    cmd->base.qp_state == IB_QPS_RTR) {
+		/* We are in INIT->RTR TRANSITION (if we are not,
+		 * this transition will be rejected in subsequent checks).
+		 * In the INIT->RTR transition, we cannot have IB_QP_PORT set,
+		 * but the IB_QP_STATE flag is required.
+		 *
+		 * Since kernel 3.14 (commit dbf727de7440), the uverbs driver,
+		 * when IB_QP_AV is set, has required inclusion of a valid
+		 * port number in the primary AV. (AVs are created and handled
+		 * differently for infiniband and ethernet (RoCE) ports).
+		 *
+		 * Check the port number included in the primary AV against
+		 * the port number in the qp struct, which was set (and saved)
+		 * in the RST->INIT transition.
+		 */
+			if (cmd->base.dest.port_num != qp->real_qp->port) {
+				ret = -EINVAL;
+				goto release_qp;
+			}
+		} else {
+		/* We are in SQD->SQD. (If we are not, this transition will
+		 * be rejected later in the verbs layer checks).
+		 * Check for both IB_QP_PORT and IB_QP_AV, these can be set
+		 * together in the SQD->SQD transition.
+		 *
+		 * If only IP_QP_AV was set, add in IB_QP_PORT as well (the
+		 * verbs layer driver does not track primary port changes
+		 * resulting from path migration. Thus, in SQD, if the primary
+		 * AV is modified, the primary port should also be modified).
+		 *
+		 * Note that in this transition, the IB_QP_STATE flag
+		 * is not allowed.
+		 */
+			if (((cmd->base.attr_mask & (IB_QP_AV | IB_QP_PORT))
+			     == (IB_QP_AV | IB_QP_PORT)) &&
+			    cmd->base.port_num != cmd->base.dest.port_num) {
+				ret = -EINVAL;
+				goto release_qp;
+			}
+			if ((cmd->base.attr_mask & (IB_QP_AV | IB_QP_PORT))
+			    == IB_QP_AV) {
+				cmd->base.attr_mask |= IB_QP_PORT;
+				cmd->base.port_num = cmd->base.dest.port_num;
+			}
+		}
 	}
 
 	if ((cmd->base.attr_mask & IB_QP_ALT_PATH) &&
 	    (!rdma_is_port_valid(qp->device, cmd->base.alt_port_num) ||
-	    !rdma_is_port_valid(qp->device, cmd->base.alt_dest.port_num))) {
+	    !rdma_is_port_valid(qp->device, cmd->base.alt_dest.port_num) ||
+	    cmd->base.alt_port_num != cmd->base.alt_dest.port_num)) {
 		ret = -EINVAL;
 		goto release_qp;
 	}
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 1f1e97b26f95..da94bd39aff6 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1691,6 +1691,8 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
 		goto err_upper_unlink;
 	}
 
+	bond->nest_level = dev_get_nest_level(bond_dev) + 1;
+
 	/* If the mode uses primary, then the following is handled by
 	 * bond_change_active_slave().
 	 */
@@ -1738,7 +1740,6 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
 	if (bond_mode_uses_xmit_hash(bond))
 		bond_update_slave_arr(bond, NULL);
 
-	bond->nest_level = dev_get_nest_level(bond_dev);
 
 	netdev_info(bond_dev, "Enslaving %s as %s interface with %s link\n",
 		    slave_dev->name,
@@ -3389,6 +3390,13 @@ static void bond_fold_stats(struct rtnl_link_stats64 *_res,
 	}
 }
 
+static int bond_get_nest_level(struct net_device *bond_dev)
+{
+	struct bonding *bond = netdev_priv(bond_dev);
+
+	return bond->nest_level;
+}
+
 static void bond_get_stats(struct net_device *bond_dev,
 			   struct rtnl_link_stats64 *stats)
 {
@@ -3397,7 +3405,7 @@ static void bond_get_stats(struct net_device *bond_dev,
 	struct list_head *iter;
 	struct slave *slave;
 
-	spin_lock(&bond->stats_lock);
+	spin_lock_nested(&bond->stats_lock, bond_get_nest_level(bond_dev));
 	memcpy(stats, &bond->bond_stats, sizeof(*stats));
 
 	rcu_read_lock();
@@ -4192,6 +4200,7 @@ static const struct net_device_ops bond_netdev_ops = {
 	.ndo_neigh_setup	= bond_neigh_setup,
 	.ndo_vlan_rx_add_vid	= bond_vlan_rx_add_vid,
 	.ndo_vlan_rx_kill_vid	= bond_vlan_rx_kill_vid,
+	.ndo_get_lock_subclass  = bond_get_nest_level,
 #ifdef CONFIG_NET_POLL_CONTROLLER
 	.ndo_netpoll_setup	= bond_netpoll_setup,
 	.ndo_netpoll_cleanup	= bond_netpoll_cleanup,
@@ -4690,6 +4699,7 @@ static int bond_init(struct net_device *bond_dev)
 	if (!bond->wq)
 		return -ENOMEM;
 
+	bond->nest_level = SINGLE_DEPTH_NESTING;
 	netdev_lockdep_set_classes(bond_dev);
 
 	list_add_tail(&bond->bond_list, &bn->dev_list);
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 12ff0020ecd6..b7dfd4109d24 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -1072,6 +1072,7 @@ static void ems_usb_disconnect(struct usb_interface *intf)
 		usb_free_urb(dev->intr_urb);
 
 		kfree(dev->intr_in_buffer);
+		kfree(dev->tx_msg_buffer);
 	}
 }
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
index 0c6015ce85fd..f7c4feefaf2a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
@@ -1057,6 +1057,8 @@ static int mlx5e_trust_initialize(struct mlx5e_priv *priv)
 	struct mlx5_core_dev *mdev = priv->mdev;
 	int err;
 
+	priv->dcbx_dp.trust_state = MLX5_QPTS_TRUST_PCP;
+
 	if (!MLX5_DSCP_SUPPORTED(mdev))
 		return 0;
 
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 0a75e9d441e6..4f52f87cf210 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1698,7 +1698,7 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev)
 	int vport_num;
 	int err;
 
-	if (!MLX5_VPORT_MANAGER(dev))
+	if (!MLX5_ESWITCH_MANAGER(dev))
 		return 0;
 
 	esw_info(dev,
@@ -1767,7 +1767,7 @@ int mlx5_eswitch_init(struct mlx5_core_dev *dev)
 
 void mlx5_eswitch_cleanup(struct mlx5_eswitch *esw)
 {
-	if (!esw || !MLX5_VPORT_MANAGER(esw->dev))
+	if (!esw || !MLX5_ESWITCH_MANAGER(esw->dev))
 		return;
 
 	esw_info(esw->dev, "cleanup\n");
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
index af3bb2f7a504..b7c21eb21a21 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
@@ -76,6 +76,7 @@ void mlx5i_init(struct mlx5_core_dev *mdev,
 		void *ppriv)
 {
 	struct mlx5e_priv *priv  = mlx5i_epriv(netdev);
+	u16 max_mtu;
 
 	/* priv init */
 	priv->mdev        = mdev;
@@ -84,6 +85,9 @@ void mlx5i_init(struct mlx5_core_dev *mdev,
 	priv->ppriv       = ppriv;
 	mutex_init(&priv->state_lock);
 
+	mlx5_query_port_max_mtu(mdev, &max_mtu, 1);
+	netdev->mtu = max_mtu;
+
 	mlx5e_build_nic_params(mdev, &priv->channels.params,
 			       profile->max_nch(mdev), netdev->mtu);
 	mlx5i_build_nic_params(mdev, &priv->channels.params);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index 8d375e51a526..6a393b16a1fc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -257,7 +257,7 @@ static int stmmac_pci_probe(struct pci_dev *pdev,
 		return -ENOMEM;
 
 	/* Enable pci device */
-	ret = pcim_enable_device(pdev);
+	ret = pci_enable_device(pdev);
 	if (ret) {
 		dev_err(&pdev->dev, "%s: ERROR: failed to enable device\n",
 			__func__);
@@ -300,9 +300,45 @@ static int stmmac_pci_probe(struct pci_dev *pdev,
 static void stmmac_pci_remove(struct pci_dev *pdev)
 {
 	stmmac_dvr_remove(&pdev->dev);
+	pci_disable_device(pdev);
 }
 
-static SIMPLE_DEV_PM_OPS(stmmac_pm_ops, stmmac_suspend, stmmac_resume);
+static int stmmac_pci_suspend(struct device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	int ret;
+
+	ret = stmmac_suspend(dev);
+	if (ret)
+		return ret;
+
+	ret = pci_save_state(pdev);
+	if (ret)
+		return ret;
+
+	pci_disable_device(pdev);
+	pci_wake_from_d3(pdev, true);
+	return 0;
+}
+
+static int stmmac_pci_resume(struct device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	int ret;
+
+	pci_restore_state(pdev);
+	pci_set_power_state(pdev, PCI_D0);
+
+	ret = pci_enable_device(pdev);
+	if (ret)
+		return ret;
+
+	pci_set_master(pdev);
+
+	return stmmac_resume(dev);
+}
+
+static SIMPLE_DEV_PM_OPS(stmmac_pm_ops, stmmac_pci_suspend, stmmac_pci_resume);
 
 /* synthetic ID, no official vendor */
 #define PCI_VENDOR_ID_STMMAC 0x700
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
index 091c191ce259..4de3e5f7a2e6 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
@@ -1755,7 +1755,8 @@ brcmf_pcie_prepare_fw_request(struct brcmf_pciedev_info *devinfo)
 	fwreq->items[BRCMF_PCIE_FW_CODE].type = BRCMF_FW_TYPE_BINARY;
 	fwreq->items[BRCMF_PCIE_FW_NVRAM].type = BRCMF_FW_TYPE_NVRAM;
 	fwreq->items[BRCMF_PCIE_FW_NVRAM].flags = BRCMF_FW_REQF_OPTIONAL;
-	fwreq->domain_nr = pci_domain_nr(devinfo->pdev->bus);
+	/* NVRAM reserves PCI domain 0 for Broadcom's SDK faked bus */
+	fwreq->domain_nr = pci_domain_nr(devinfo->pdev->bus) + 1;
 	fwreq->bus_nr = devinfo->pdev->bus->number;
 
 	return fwreq;
diff --git a/drivers/net/wireless/intel/iwlwifi/cfg/9000.c b/drivers/net/wireless/intel/iwlwifi/cfg/9000.c
index e1c869a1f8cc..67f778bbb897 100644
--- a/drivers/net/wireless/intel/iwlwifi/cfg/9000.c
+++ b/drivers/net/wireless/intel/iwlwifi/cfg/9000.c
@@ -180,6 +180,17 @@ const struct iwl_cfg iwl9260_2ac_cfg = {
 	.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,
 };
 
+const struct iwl_cfg iwl9260_killer_2ac_cfg = {
+	.name = "Killer (R) Wireless-AC 1550 Wireless Network Adapter (9260NGW)",
+	.fw_name_pre = IWL9260A_FW_PRE,
+	.fw_name_pre_b_or_c_step = IWL9260B_FW_PRE,
+	IWL_DEVICE_9000,
+	.ht_params = &iwl9000_ht_params,
+	.nvm_ver = IWL9000_NVM_VERSION,
+	.nvm_calib_ver = IWL9000_TX_POWER_VERSION,
+	.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,
+};
+
 const struct iwl_cfg iwl9270_2ac_cfg = {
 	.name = "Intel(R) Dual Band Wireless AC 9270",
 	.fw_name_pre = IWL9260A_FW_PRE,
@@ -269,6 +280,34 @@ const struct iwl_cfg iwl9560_2ac_cfg_soc = {
 	.soc_latency = 5000,
 };
 
+const struct iwl_cfg iwl9560_killer_2ac_cfg_soc = {
+	.name = "Killer (R) Wireless-AC 1550i Wireless Network Adapter (9560NGW)",
+	.fw_name_pre = IWL9000A_FW_PRE,
+	.fw_name_pre_b_or_c_step = IWL9000B_FW_PRE,
+	.fw_name_pre_rf_next_step = IWL9000RFB_FW_PRE,
+	IWL_DEVICE_9000,
+	.ht_params = &iwl9000_ht_params,
+	.nvm_ver = IWL9000_NVM_VERSION,
+	.nvm_calib_ver = IWL9000_TX_POWER_VERSION,
+	.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,
+	.integrated = true,
+	.soc_latency = 5000,
+};
+
+const struct iwl_cfg iwl9560_killer_s_2ac_cfg_soc = {
+	.name = "Killer (R) Wireless-AC 1550s Wireless Network Adapter (9560NGW)",
+	.fw_name_pre = IWL9000A_FW_PRE,
+	.fw_name_pre_b_or_c_step = IWL9000B_FW_PRE,
+	.fw_name_pre_rf_next_step = IWL9000RFB_FW_PRE,
+	IWL_DEVICE_9000,
+	.ht_params = &iwl9000_ht_params,
+	.nvm_ver = IWL9000_NVM_VERSION,
+	.nvm_calib_ver = IWL9000_TX_POWER_VERSION,
+	.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,
+	.integrated = true,
+	.soc_latency = 5000,
+};
+
 const struct iwl_cfg iwl9460_2ac_cfg_shared_clk = {
 	.name = "Intel(R) Dual Band Wireless AC 9460",
 	.fw_name_pre = IWL9000A_FW_PRE,
@@ -329,6 +368,36 @@ const struct iwl_cfg iwl9560_2ac_cfg_shared_clk = {
 	.extra_phy_cfg_flags = FW_PHY_CFG_SHARED_CLK
 };
 
+const struct iwl_cfg iwl9560_killer_2ac_cfg_shared_clk = {
+	.name = "Killer (R) Wireless-AC 1550i Wireless Network Adapter (9560NGW)",
+	.fw_name_pre = IWL9000A_FW_PRE,
+	.fw_name_pre_b_or_c_step = IWL9000B_FW_PRE,
+	.fw_name_pre_rf_next_step = IWL9000RFB_FW_PRE,
+	IWL_DEVICE_9000,
+	.ht_params = &iwl9000_ht_params,
+	.nvm_ver = IWL9000_NVM_VERSION,
+	.nvm_calib_ver = IWL9000_TX_POWER_VERSION,
+	.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,
+	.integrated = true,
+	.soc_latency = 5000,
+	.extra_phy_cfg_flags = FW_PHY_CFG_SHARED_CLK
+};
+
+const struct iwl_cfg iwl9560_killer_s_2ac_cfg_shared_clk = {
+	.name = "Killer (R) Wireless-AC 1550s Wireless Network Adapter (9560NGW)",
+	.fw_name_pre = IWL9000A_FW_PRE,
+	.fw_name_pre_b_or_c_step = IWL9000B_FW_PRE,
+	.fw_name_pre_rf_next_step = IWL9000RFB_FW_PRE,
+	IWL_DEVICE_9000,
+	.ht_params = &iwl9000_ht_params,
+	.nvm_ver = IWL9000_NVM_VERSION,
+	.nvm_calib_ver = IWL9000_TX_POWER_VERSION,
+	.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,
+	.integrated = true,
+	.soc_latency = 5000,
+	.extra_phy_cfg_flags = FW_PHY_CFG_SHARED_CLK
+};
+
 MODULE_FIRMWARE(IWL9000A_MODULE_FIRMWARE(IWL9000_UCODE_API_MAX));
 MODULE_FIRMWARE(IWL9000B_MODULE_FIRMWARE(IWL9000_UCODE_API_MAX));
 MODULE_FIRMWARE(IWL9000RFB_MODULE_FIRMWARE(IWL9000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-config.h b/drivers/net/wireless/intel/iwlwifi/iwl-config.h
index f0f5636dd3ea..919cc9997839 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-config.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-config.h
@@ -471,6 +471,7 @@ extern const struct iwl_cfg iwl8275_2ac_cfg;
 extern const struct iwl_cfg iwl4165_2ac_cfg;
 extern const struct iwl_cfg iwl9160_2ac_cfg;
 extern const struct iwl_cfg iwl9260_2ac_cfg;
+extern const struct iwl_cfg iwl9260_killer_2ac_cfg;
 extern const struct iwl_cfg iwl9270_2ac_cfg;
 extern const struct iwl_cfg iwl9460_2ac_cfg;
 extern const struct iwl_cfg iwl9560_2ac_cfg;
@@ -478,10 +479,14 @@ extern const struct iwl_cfg iwl9460_2ac_cfg_soc;
 extern const struct iwl_cfg iwl9461_2ac_cfg_soc;
 extern const struct iwl_cfg iwl9462_2ac_cfg_soc;
 extern const struct iwl_cfg iwl9560_2ac_cfg_soc;
+extern const struct iwl_cfg iwl9560_killer_2ac_cfg_soc;
+extern const struct iwl_cfg iwl9560_killer_s_2ac_cfg_soc;
 extern const struct iwl_cfg iwl9460_2ac_cfg_shared_clk;
 extern const struct iwl_cfg iwl9461_2ac_cfg_shared_clk;
 extern const struct iwl_cfg iwl9462_2ac_cfg_shared_clk;
 extern const struct iwl_cfg iwl9560_2ac_cfg_shared_clk;
+extern const struct iwl_cfg iwl9560_killer_2ac_cfg_shared_clk;
+extern const struct iwl_cfg iwl9560_killer_s_2ac_cfg_shared_clk;
 extern const struct iwl_cfg iwl22000_2ac_cfg_hr;
 extern const struct iwl_cfg iwl22000_2ac_cfg_hr_cdb;
 extern const struct iwl_cfg iwl22000_2ac_cfg_jf;
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
index 959de2f8bb28..1185e937992a 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
@@ -545,6 +545,9 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x2526, 0x1210, iwl9260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x2526, 0x1410, iwl9270_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x2526, 0x1420, iwl9460_2ac_cfg_soc)},
+	{IWL_PCI_DEVICE(0x2526, 0x1550, iwl9260_killer_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2526, 0x1551, iwl9560_killer_s_2ac_cfg_soc)},
+	{IWL_PCI_DEVICE(0x2526, 0x1552, iwl9560_killer_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x2526, 0x1610, iwl9270_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x2526, 0x2030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x2526, 0x2034, iwl9560_2ac_cfg_soc)},
@@ -554,6 +557,7 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x2526, 0x40A4, iwl9460_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x2526, 0x4234, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x2526, 0x42A4, iwl9462_2ac_cfg_soc)},
+	{IWL_PCI_DEVICE(0x2526, 0x8014, iwl9260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x2526, 0xA014, iwl9260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x271B, 0x0010, iwl9160_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x271B, 0x0014, iwl9160_2ac_cfg)},
@@ -578,6 +582,8 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x2720, 0x1010, iwl9260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x2720, 0x1030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x2720, 0x1210, iwl9260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x2720, 0x1551, iwl9560_killer_s_2ac_cfg_soc)},
+	{IWL_PCI_DEVICE(0x2720, 0x1552, iwl9560_killer_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x2720, 0x2030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x2720, 0x2034, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x2720, 0x4030, iwl9560_2ac_cfg)},
@@ -604,6 +610,8 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x30DC, 0x1010, iwl9260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x30DC, 0x1030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x30DC, 0x1210, iwl9260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x30DC, 0x1551, iwl9560_killer_s_2ac_cfg_soc)},
+	{IWL_PCI_DEVICE(0x30DC, 0x1552, iwl9560_killer_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x30DC, 0x2030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x30DC, 0x2034, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x30DC, 0x4030, iwl9560_2ac_cfg_soc)},
@@ -630,6 +638,8 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x31DC, 0x1010, iwl9260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x31DC, 0x1030, iwl9560_2ac_cfg_shared_clk)},
 	{IWL_PCI_DEVICE(0x31DC, 0x1210, iwl9260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x31DC, 0x1551, iwl9560_killer_s_2ac_cfg_shared_clk)},
+	{IWL_PCI_DEVICE(0x31DC, 0x1552, iwl9560_killer_2ac_cfg_shared_clk)},
 	{IWL_PCI_DEVICE(0x31DC, 0x2030, iwl9560_2ac_cfg_shared_clk)},
 	{IWL_PCI_DEVICE(0x31DC, 0x2034, iwl9560_2ac_cfg_shared_clk)},
 	{IWL_PCI_DEVICE(0x31DC, 0x4030, iwl9560_2ac_cfg_shared_clk)},
@@ -656,6 +666,8 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x34F0, 0x1010, iwl9260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x34F0, 0x1030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x34F0, 0x1210, iwl9260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x34F0, 0x1551, iwl9560_killer_s_2ac_cfg_soc)},
+	{IWL_PCI_DEVICE(0x34F0, 0x1552, iwl9560_killer_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x34F0, 0x2030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x34F0, 0x2034, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x34F0, 0x4030, iwl9560_2ac_cfg_soc)},
@@ -682,6 +694,8 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x3DF0, 0x1010, iwl9260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x3DF0, 0x1030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x3DF0, 0x1210, iwl9260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x3DF0, 0x1551, iwl9560_killer_s_2ac_cfg_soc)},
+	{IWL_PCI_DEVICE(0x3DF0, 0x1552, iwl9560_killer_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x3DF0, 0x2030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x3DF0, 0x2034, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x3DF0, 0x4030, iwl9560_2ac_cfg_soc)},
@@ -708,6 +722,8 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x43F0, 0x1010, iwl9260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x43F0, 0x1030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x43F0, 0x1210, iwl9260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x43F0, 0x1551, iwl9560_killer_s_2ac_cfg_soc)},
+	{IWL_PCI_DEVICE(0x43F0, 0x1552, iwl9560_killer_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x43F0, 0x2030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x43F0, 0x2034, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x43F0, 0x4030, iwl9560_2ac_cfg_soc)},
@@ -743,6 +759,8 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x9DF0, 0x1010, iwl9260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x9DF0, 0x1030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x9DF0, 0x1210, iwl9260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x9DF0, 0x1551, iwl9560_killer_s_2ac_cfg_soc)},
+	{IWL_PCI_DEVICE(0x9DF0, 0x1552, iwl9560_killer_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x9DF0, 0x2010, iwl9460_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x9DF0, 0x2030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0x9DF0, 0x2034, iwl9560_2ac_cfg_soc)},
@@ -771,6 +789,8 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0xA0F0, 0x1010, iwl9260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0xA0F0, 0x1030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0xA0F0, 0x1210, iwl9260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0xA0F0, 0x1551, iwl9560_killer_s_2ac_cfg_soc)},
+	{IWL_PCI_DEVICE(0xA0F0, 0x1552, iwl9560_killer_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0xA0F0, 0x2030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0xA0F0, 0x2034, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0xA0F0, 0x4030, iwl9560_2ac_cfg_soc)},
@@ -797,6 +817,8 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0xA370, 0x1010, iwl9260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0xA370, 0x1030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0xA370, 0x1210, iwl9260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0xA370, 0x1551, iwl9560_killer_s_2ac_cfg_soc)},
+	{IWL_PCI_DEVICE(0xA370, 0x1552, iwl9560_killer_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0xA370, 0x2030, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0xA370, 0x2034, iwl9560_2ac_cfg_soc)},
 	{IWL_PCI_DEVICE(0xA370, 0x4030, iwl9560_2ac_cfg_soc)},
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index ecc87a53294f..71cadee2f769 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -2186,6 +2186,7 @@ sg_add_sfp(Sg_device * sdp)
 	write_lock_irqsave(&sdp->sfd_lock, iflags);
 	if (atomic_read(&sdp->detaching)) {
 		write_unlock_irqrestore(&sdp->sfd_lock, iflags);
+		kfree(sfp);
 		return ERR_PTR(-ENODEV);
 	}
 	list_add_tail(&sfp->sfd_siblings, &sdp->sfds);
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index 6b237e3f4983..3988c0914322 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -513,7 +513,9 @@ static int virtballoon_migratepage(struct balloon_dev_info *vb_dev_info,
 	tell_host(vb, vb->inflate_vq);
 
 	/* balloon's page migration 2nd step -- deflate "page" */
+	spin_lock_irqsave(&vb_dev_info->pages_lock, flags);
 	balloon_page_delete(page);
+	spin_unlock_irqrestore(&vb_dev_info->pages_lock, flags);
 	vb->num_pfns = VIRTIO_BALLOON_PAGES_PER_PAGE;
 	set_page_pfns(vb, vb->pfns, page);
 	tell_host(vb, vb->deflate_vq);
diff --git a/fs/squashfs/block.c b/fs/squashfs/block.c
index 2751476e6b6e..f098b9f1c396 100644
--- a/fs/squashfs/block.c
+++ b/fs/squashfs/block.c
@@ -167,6 +167,8 @@ int squashfs_read_data(struct super_block *sb, u64 index, int length,
 	}
 
 	if (compressed) {
+		if (!msblk->stream)
+			goto read_failure;
 		length = squashfs_decompress(msblk, bh, b, offset, length,
 			output);
 		if (length < 0)
diff --git a/fs/squashfs/fragment.c b/fs/squashfs/fragment.c
index 86ad9a4b8c36..0681feab4a84 100644
--- a/fs/squashfs/fragment.c
+++ b/fs/squashfs/fragment.c
@@ -49,11 +49,16 @@ int squashfs_frag_lookup(struct super_block *sb, unsigned int fragment,
 				u64 *fragment_block)
 {
 	struct squashfs_sb_info *msblk = sb->s_fs_info;
-	int block = SQUASHFS_FRAGMENT_INDEX(fragment);
-	int offset = SQUASHFS_FRAGMENT_INDEX_OFFSET(fragment);
-	u64 start_block = le64_to_cpu(msblk->fragment_index[block]);
+	int block, offset, size;
 	struct squashfs_fragment_entry fragment_entry;
-	int size;
+	u64 start_block;
+
+	if (fragment >= msblk->fragments)
+		return -EIO;
+	block = SQUASHFS_FRAGMENT_INDEX(fragment);
+	offset = SQUASHFS_FRAGMENT_INDEX_OFFSET(fragment);
+
+	start_block = le64_to_cpu(msblk->fragment_index[block]);
 
 	size = squashfs_read_metadata(sb, &fragment_entry, &start_block,
 					&offset, sizeof(fragment_entry));
diff --git a/fs/squashfs/squashfs_fs_sb.h b/fs/squashfs/squashfs_fs_sb.h
index 1da565cb50c3..ef69c31947bf 100644
--- a/fs/squashfs/squashfs_fs_sb.h
+++ b/fs/squashfs/squashfs_fs_sb.h
@@ -75,6 +75,7 @@ struct squashfs_sb_info {
 	unsigned short				block_log;
 	long long				bytes_used;
 	unsigned int				inodes;
+	unsigned int				fragments;
 	int					xattr_ids;
 };
 #endif
diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c
index 8a73b97217c8..40e657386fa5 100644
--- a/fs/squashfs/super.c
+++ b/fs/squashfs/super.c
@@ -175,6 +175,7 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent)
 	msblk->inode_table = le64_to_cpu(sblk->inode_table_start);
 	msblk->directory_table = le64_to_cpu(sblk->directory_table_start);
 	msblk->inodes = le32_to_cpu(sblk->inodes);
+	msblk->fragments = le32_to_cpu(sblk->fragments);
 	flags = le16_to_cpu(sblk->flags);
 
 	TRACE("Found valid superblock on %pg\n", sb->s_bdev);
@@ -185,7 +186,7 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent)
 	TRACE("Filesystem size %lld bytes\n", msblk->bytes_used);
 	TRACE("Block size %d\n", msblk->block_size);
 	TRACE("Number of inodes %d\n", msblk->inodes);
-	TRACE("Number of fragments %d\n", le32_to_cpu(sblk->fragments));
+	TRACE("Number of fragments %d\n", msblk->fragments);
 	TRACE("Number of ids %d\n", le16_to_cpu(sblk->no_ids));
 	TRACE("sblk->inode_table_start %llx\n", msblk->inode_table);
 	TRACE("sblk->directory_table_start %llx\n", msblk->directory_table);
@@ -272,7 +273,7 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent)
 	sb->s_export_op = &squashfs_export_ops;
 
 handle_fragments:
-	fragments = le32_to_cpu(sblk->fragments);
+	fragments = msblk->fragments;
 	if (fragments == 0)
 		goto check_directory_table;
 
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 1d85efacfc8e..f4845cdd4926 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -631,8 +631,10 @@ static void userfaultfd_event_wait_completion(struct userfaultfd_ctx *ctx,
 		/* the various vma->vm_userfaultfd_ctx still points to it */
 		down_write(&mm->mmap_sem);
 		for (vma = mm->mmap; vma; vma = vma->vm_next)
-			if (vma->vm_userfaultfd_ctx.ctx == release_new_ctx)
+			if (vma->vm_userfaultfd_ctx.ctx == release_new_ctx) {
 				vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
+				vma->vm_flags &= ~(VM_UFFD_WP | VM_UFFD_MISSING);
+			}
 		up_write(&mm->mmap_sem);
 
 		userfaultfd_ctx_put(release_new_ctx);
diff --git a/ipc/shm.c b/ipc/shm.c
index d73269381ec7..5ad05c56dce0 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -427,6 +427,17 @@ static int shm_split(struct vm_area_struct *vma, unsigned long addr)
 	return 0;
 }
 
+static unsigned long shm_pagesize(struct vm_area_struct *vma)
+{
+	struct file *file = vma->vm_file;
+	struct shm_file_data *sfd = shm_file_data(file);
+
+	if (sfd->vm_ops->pagesize)
+		return sfd->vm_ops->pagesize(vma);
+
+	return PAGE_SIZE;
+}
+
 #ifdef CONFIG_NUMA
 static int shm_set_policy(struct vm_area_struct *vma, struct mempolicy *new)
 {
@@ -554,6 +565,7 @@ static const struct vm_operations_struct shm_vm_ops = {
 	.close	= shm_close,	/* callback for when the vm-area is released */
 	.fault	= shm_fault,
 	.split	= shm_split,
+	.pagesize = shm_pagesize,
 #if defined(CONFIG_NUMA)
 	.set_policy = shm_set_policy,
 	.get_policy = shm_get_policy,
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 479c031ec54c..e6a93c63068b 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -1274,8 +1274,12 @@ static void show_special(struct audit_context *context, int *call_panic)
 		break;
 	case AUDIT_KERN_MODULE:
 		audit_log_format(ab, "name=");
-		audit_log_untrustedstring(ab, context->module.name);
-		kfree(context->module.name);
+		if (context->module.name) {
+			audit_log_untrustedstring(ab, context->module.name);
+			kfree(context->module.name);
+		} else
+			audit_log_format(ab, "(null)");
+
 		break;
 	}
 	audit_log_end(ab);
@@ -2408,8 +2412,9 @@ void __audit_log_kern_module(char *name)
 {
 	struct audit_context *context = current->audit_context;
 
-	context->module.name = kmalloc(strlen(name) + 1, GFP_KERNEL);
-	strcpy(context->module.name, name);
+	context->module.name = kstrdup(name, GFP_KERNEL);
+	if (!context->module.name)
+		audit_log_lost("out of memory in __audit_log_kern_module");
 	context->type = AUDIT_KERN_MODULE;
 }
 
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index a2d9eb6a0af9..4c1a2c02e13b 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3166,6 +3166,13 @@ static int hugetlb_vm_op_fault(struct vm_fault *vmf)
 	return 0;
 }
 
+/*
+ * When a new function is introduced to vm_operations_struct and added
+ * to hugetlb_vm_ops, please consider adding the function to shm_vm_ops.
+ * This is because under System V memory model, mappings created via
+ * shmget/shmat with "huge page" specified are backed by hugetlbfs files,
+ * their original vm_ops are overwritten with shm_vm_ops.
+ */
 const struct vm_operations_struct hugetlb_vm_ops = {
 	.fault = hugetlb_vm_op_fault,
 	.open = hugetlb_vm_op_open,
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index 18561af7a8f1..01fa96f29734 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -1195,6 +1195,9 @@ int dsa_slave_suspend(struct net_device *slave_dev)
 {
 	struct dsa_slave_priv *p = netdev_priv(slave_dev);
 
+	if (!netif_running(slave_dev))
+		return 0;
+
 	netif_device_detach(slave_dev);
 
 	if (slave_dev->phydev) {
@@ -1210,6 +1213,9 @@ int dsa_slave_suspend(struct net_device *slave_dev)
 
 int dsa_slave_resume(struct net_device *slave_dev)
 {
+	if (!netif_running(slave_dev))
+		return 0;
+
 	netif_device_attach(slave_dev);
 
 	if (slave_dev->phydev) {
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index c9e35b81d093..eeb6646aa892 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -157,9 +157,6 @@ static struct inet_frag_queue *inet_frag_alloc(struct netns_frags *nf,
 {
 	struct inet_frag_queue *q;
 
-	if (!nf->high_thresh || frag_mem_limit(nf) > nf->high_thresh)
-		return NULL;
-
 	q = kmem_cache_zalloc(f->frags_cachep, GFP_ATOMIC);
 	if (!q)
 		return NULL;
@@ -204,6 +201,9 @@ struct inet_frag_queue *inet_frag_find(struct netns_frags *nf, void *key)
 {
 	struct inet_frag_queue *fq;
 
+	if (!nf->high_thresh || frag_mem_limit(nf) > nf->high_thresh)
+		return NULL;
+
 	rcu_read_lock();
 
 	fq = rhashtable_lookup(&nf->rhashtable, key, nf->f->rhash_params);
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 8e9528ebaa8e..d14d741fb05e 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -383,11 +383,16 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb)
 		int i = end - next->ip_defrag_offset; /* overlap is 'i' bytes */
 
 		if (i < next->len) {
+			int delta = -next->truesize;
+
 			/* Eat head of the next overlapped fragment
 			 * and leave the loop. The next ones cannot overlap.
 			 */
 			if (!pskb_pull(next, i))
 				goto err;
+			delta += next->truesize;
+			if (delta)
+				add_frag_mem_limit(qp->q.net, delta);
 			next->ip_defrag_offset += i;
 			qp->q.meat -= i;
 			if (next->ip_summed != CHECKSUM_UNNECESSARY)
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 890f22f90344..adc434752d67 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -63,6 +63,7 @@
 #include <linux/hash.h>
 #include <linux/genetlink.h>
 #include <linux/net_namespace.h>
+#include <linux/nospec.h>
 
 #include <net/net_namespace.h>
 #include <net/netns/generic.h>
@@ -679,6 +680,7 @@ static int netlink_create(struct net *net, struct socket *sock, int protocol,
 
 	if (protocol < 0 || protocol >= MAX_LINKS)
 		return -EPROTONOSUPPORT;
+	protocol = array_index_nospec(protocol, MAX_LINKS);
 
 	netlink_lock_table();
 #ifdef CONFIG_MODULES
diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c
index a9a9be5519b9..9d1e298b784c 100644
--- a/net/rxrpc/call_accept.c
+++ b/net/rxrpc/call_accept.c
@@ -116,9 +116,9 @@ static int rxrpc_service_prealloc_one(struct rxrpc_sock *rx,
 		while (*pp) {
 			parent = *pp;
 			xcall = rb_entry(parent, struct rxrpc_call, sock_node);
-			if (user_call_ID < call->user_call_ID)
+			if (user_call_ID < xcall->user_call_ID)
 				pp = &(*pp)->rb_left;
-			else if (user_call_ID > call->user_call_ID)
+			else if (user_call_ID > xcall->user_call_ID)
 				pp = &(*pp)->rb_right;
 			else
 				goto id_in_use;
diff --git a/net/socket.c b/net/socket.c
index d1b02f161429..6a6aa84b64c1 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -89,6 +89,7 @@
 #include <linux/magic.h>
 #include <linux/slab.h>
 #include <linux/xattr.h>
+#include <linux/nospec.h>
 
 #include <linux/uaccess.h>
 #include <asm/unistd.h>
@@ -2526,6 +2527,7 @@ SYSCALL_DEFINE2(socketcall, int, call, unsigned long __user *, args)
 
 	if (call < 1 || call > SYS_SENDMMSG)
 		return -EINVAL;
+	call = array_index_nospec(call, SYS_SENDMMSG + 1);
 
 	len = nargs[call];
 	if (len > sizeof(a))
@@ -2692,7 +2694,8 @@ EXPORT_SYMBOL(sock_unregister);
 
 bool sock_is_registered(int family)
 {
-	return family < NPROTO && rcu_access_pointer(net_families[family]);
+	return family < NPROTO &&
+		rcu_access_pointer(net_families[array_index_nospec(family, NPROTO)]);
 }
 
 static int __init sock_init(void)