Re: Linux 5.10.169

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

diff --git a/Makefile b/Makefile
index af3270277fd0..dbbfaa5d4fe2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 10
-SUBLEVEL = 168
+SUBLEVEL = 169
 EXTRAVERSION =
 NAME = Dare mighty things
 
diff --git a/arch/s390/boot/compressed/decompressor.c b/arch/s390/boot/compressed/decompressor.c
index 3061b11c4d27..8eaa1712a1c8 100644
--- a/arch/s390/boot/compressed/decompressor.c
+++ b/arch/s390/boot/compressed/decompressor.c
@@ -79,6 +79,6 @@ void *decompress_kernel(void)
 	void *output = (void *)decompress_offset;
 
 	__decompress(_compressed_start, _compressed_end - _compressed_start,
-		     NULL, NULL, output, 0, NULL, error);
+		     NULL, NULL, output, vmlinux.image_size, NULL, error);
 	return output;
 }
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index b27b6c1f058d..9e900a8977bd 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -472,7 +472,7 @@ void do_signal(struct pt_regs *regs)
 	current->thread.system_call =
 		test_pt_regs_flag(regs, PIF_SYSCALL) ? regs->int_code : 0;
 
-	if (test_thread_flag(TIF_SIGPENDING) && get_signal(&ksig)) {
+	if (get_signal(&ksig)) {
 		/* Whee!  Actually deliver the signal.  */
 		if (current->thread.system_call) {
 			regs->int_code = current->thread.system_call;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 23d7c563e012..554d37873c25 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4455,12 +4455,11 @@ static void kvm_vcpu_ioctl_x86_get_debugregs(struct kvm_vcpu *vcpu,
 {
 	unsigned long val;
 
+	memset(dbgregs, 0, sizeof(*dbgregs));
 	memcpy(dbgregs->db, vcpu->arch.db, sizeof(vcpu->arch.db));
 	kvm_get_dr(vcpu, 6, &val);
 	dbgregs->dr6 = val;
 	dbgregs->dr7 = vcpu->arch.dr7;
-	dbgregs->flags = 0;
-	memset(&dbgregs->reserved, 0, sizeof(dbgregs->reserved));
 }
 
 static int kvm_vcpu_ioctl_x86_set_debugregs(struct kvm_vcpu *vcpu,
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 4a3bde7c9f21..ae5cf2b55e15 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1212,6 +1212,22 @@ icl_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal)
 		    GAMT_CHKN_BIT_REG,
 		    GAMT_CHKN_DISABLE_L3_COH_PIPE);
 
+	/*
+	 * Wa_1408615072:icl,ehl  (vsunit)
+	 * Wa_1407596294:icl,ehl  (hsunit)
+	 */
+	wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE,
+		    VSUNIT_CLKGATE_DIS | HSUNIT_CLKGATE_DIS);
+
+	/* Wa_1407352427:icl,ehl */
+	wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE2,
+		    PSDUNIT_CLKGATE_DIS);
+
+	/* Wa_1406680159:icl,ehl */
+	wa_write_or(wal,
+		    SUBSLICE_UNIT_LEVEL_CLKGATE,
+		    GWUNIT_CLKGATE_DIS);
+
 	/* Wa_1607087056:icl,ehl,jsl */
 	if (IS_ICELAKE(i915) ||
 	    IS_EHL_REVID(i915, EHL_REVID_A0, EHL_REVID_A0)) {
@@ -1816,22 +1832,6 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
 		wa_masked_en(wal, GEN9_CSFE_CHICKEN1_RCS,
 			     GEN11_ENABLE_32_PLANE_MODE);
 
-		/*
-		 * Wa_1408615072:icl,ehl  (vsunit)
-		 * Wa_1407596294:icl,ehl  (hsunit)
-		 */
-		wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE,
-			    VSUNIT_CLKGATE_DIS | HSUNIT_CLKGATE_DIS);
-
-		/* Wa_1407352427:icl,ehl */
-		wa_write_or(wal, UNSLICE_UNIT_LEVEL_CLKGATE2,
-			    PSDUNIT_CLKGATE_DIS);
-
-		/* Wa_1406680159:icl,ehl */
-		wa_write_or(wal,
-			    SUBSLICE_UNIT_LEVEL_CLKGATE,
-			    GWUNIT_CLKGATE_DIS);
-
 		/*
 		 * Wa_1408767742:icl[a2..forever],ehl[all]
 		 * Wa_1605460711:icl[a0..c0]
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index a448535c1265..89dd49260080 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -295,6 +295,12 @@ static void sdio_release_func(struct device *dev)
 	if (!(func->card->quirks & MMC_QUIRK_NONSTD_SDIO))
 		sdio_free_func_cis(func);
 
+	/*
+	 * We have now removed the link to the tuples in the
+	 * card structure, so remove the reference.
+	 */
+	put_device(&func->card->dev);
+
 	kfree(func->info);
 	kfree(func->tmpbuf);
 	kfree(func);
@@ -325,6 +331,12 @@ struct sdio_func *sdio_alloc_func(struct mmc_card *card)
 
 	device_initialize(&func->dev);
 
+	/*
+	 * We may link to tuples in the card structure,
+	 * we need make sure we have a reference to it.
+	 */
+	get_device(&func->card->dev);
+
 	func->dev.parent = &card->dev;
 	func->dev.bus = &sdio_bus_type;
 	func->dev.release = sdio_release_func;
@@ -378,10 +390,9 @@ int sdio_add_func(struct sdio_func *func)
  */
 void sdio_remove_func(struct sdio_func *func)
 {
-	if (!sdio_func_present(func))
-		return;
+	if (sdio_func_present(func))
+		device_del(&func->dev);
 
-	device_del(&func->dev);
 	of_node_put(func->dev.of_node);
 	put_device(&func->dev);
 }
diff --git a/drivers/mmc/core/sdio_cis.c b/drivers/mmc/core/sdio_cis.c
index b23773583179..ce524f7e11fb 100644
--- a/drivers/mmc/core/sdio_cis.c
+++ b/drivers/mmc/core/sdio_cis.c
@@ -391,12 +391,6 @@ int sdio_read_func_cis(struct sdio_func *func)
 	if (ret)
 		return ret;
 
-	/*
-	 * Since we've linked to tuples in the card structure,
-	 * we must make sure we have a reference to it.
-	 */
-	get_device(&func->card->dev);
-
 	/*
 	 * Vendor/device id is optional for function CIS, so
 	 * copy it from the card structure as needed.
@@ -422,11 +416,5 @@ void sdio_free_func_cis(struct sdio_func *func)
 	}
 
 	func->tuples = NULL;
-
-	/*
-	 * We have now removed the link to the tuples in the
-	 * card structure, so remove the reference.
-	 */
-	put_device(&func->card->dev);
 }
 
diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
index aa3dfb9c1071..62d00232f85e 100644
--- a/drivers/mmc/host/jz4740_mmc.c
+++ b/drivers/mmc/host/jz4740_mmc.c
@@ -1041,6 +1041,16 @@ static int jz4740_mmc_probe(struct platform_device* pdev)
 	mmc->ops = &jz4740_mmc_ops;
 	if (!mmc->f_max)
 		mmc->f_max = JZ_MMC_CLK_RATE;
+
+	/*
+	 * There seems to be a problem with this driver on the JZ4760 and
+	 * JZ4760B SoCs. There, when using the maximum rate supported (50 MHz),
+	 * the communication fails with many SD cards.
+	 * Until this bug is sorted out, limit the maximum rate to 24 MHz.
+	 */
+	if (host->version == JZ_MMC_JZ4760 && mmc->f_max > JZ_MMC_CLK_RATE)
+		mmc->f_max = JZ_MMC_CLK_RATE;
+
 	mmc->f_min = mmc->f_max / 128;
 	mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
 
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 02f4fd26e76a..1d814919eb6b 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -1450,7 +1450,7 @@ static int mmc_spi_probe(struct spi_device *spi)
 
 	status = mmc_add_host(mmc);
 	if (status != 0)
-		goto fail_add_host;
+		goto fail_glue_init;
 
 	/*
 	 * Index 0 is card detect
@@ -1458,7 +1458,7 @@ static int mmc_spi_probe(struct spi_device *spi)
 	 */
 	status = mmc_gpiod_request_cd(mmc, NULL, 0, false, 1000);
 	if (status == -EPROBE_DEFER)
-		goto fail_add_host;
+		goto fail_gpiod_request;
 	if (!status) {
 		/*
 		 * The platform has a CD GPIO signal that may support
@@ -1473,7 +1473,7 @@ static int mmc_spi_probe(struct spi_device *spi)
 	/* Index 1 is write protect/read only */
 	status = mmc_gpiod_request_ro(mmc, NULL, 1, 0);
 	if (status == -EPROBE_DEFER)
-		goto fail_add_host;
+		goto fail_gpiod_request;
 	if (!status)
 		has_ro = true;
 
@@ -1487,7 +1487,7 @@ static int mmc_spi_probe(struct spi_device *spi)
 				? ", cd polling" : "");
 	return 0;
 
-fail_add_host:
+fail_gpiod_request:
 	mmc_remove_host(mmc);
 fail_glue_init:
 	mmc_spi_dma_free(host);
diff --git a/drivers/net/ethernet/broadcom/bgmac-bcma.c b/drivers/net/ethernet/broadcom/bgmac-bcma.c
index 26746197515f..022aebb68f46 100644
--- a/drivers/net/ethernet/broadcom/bgmac-bcma.c
+++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c
@@ -228,12 +228,12 @@ static int bgmac_probe(struct bcma_device *core)
 		bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
 		bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL1;
 		bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_PHY;
-		if (ci->pkg == BCMA_PKG_ID_BCM47188 ||
-		    ci->pkg == BCMA_PKG_ID_BCM47186) {
+		if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM47186) ||
+		    (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == BCMA_PKG_ID_BCM47188)) {
 			bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_RGMII;
 			bgmac->feature_flags |= BGMAC_FEAT_IOST_ATTACHED;
 		}
-		if (ci->pkg == BCMA_PKG_ID_BCM5358)
+		if (ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM5358)
 			bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_EPHYRMII;
 		break;
 	case BCMA_CHIP_ID_BCM53573:
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 92f54e333395..c4a768ce8c99 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -8761,10 +8761,14 @@ int bnxt_reserve_rings(struct bnxt *bp, bool irq_re_init)
 		netdev_err(bp->dev, "ring reservation/IRQ init failure rc: %d\n", rc);
 		return rc;
 	}
-	if (tcs && (bp->tx_nr_rings_per_tc * tcs != bp->tx_nr_rings)) {
+	if (tcs && (bp->tx_nr_rings_per_tc * tcs !=
+		    bp->tx_nr_rings - bp->tx_nr_rings_xdp)) {
 		netdev_err(bp->dev, "tx ring reservation failure\n");
 		netdev_reset_tc(bp->dev);
-		bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
+		if (bp->tx_nr_rings_xdp)
+			bp->tx_nr_rings_per_tc = bp->tx_nr_rings_xdp;
+		else
+			bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
 		return -ENOMEM;
 	}
 	return 0;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 2c60d2a93330..9e8a20a94862 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -2788,7 +2788,7 @@ static int i40e_change_mtu(struct net_device *netdev, int new_mtu)
 	struct i40e_pf *pf = vsi->back;
 
 	if (i40e_enabled_xdp_vsi(vsi)) {
-		int frame_size = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
+		int frame_size = new_mtu + I40E_PACKET_HDR_PAD;
 
 		if (frame_size > i40e_max_xdp_frame_size(vsi))
 			return -EINVAL;
@@ -12520,6 +12520,8 @@ static int i40e_ndo_bridge_setlink(struct net_device *dev,
 	}
 
 	br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
+	if (!br_spec)
+		return -EINVAL;
 
 	nla_for_each_nested(attr, br_spec, rem) {
 		__u16 mode;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index 27c6f911737b..18251edbfabf 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -67,6 +67,8 @@
 #define IXGBE_RXBUFFER_4K    4096
 #define IXGBE_MAX_RXBUFFER  16384  /* largest size for a single descriptor */
 
+#define IXGBE_PKT_HDR_PAD   (ETH_HLEN + ETH_FCS_LEN + (VLAN_HLEN * 2))
+
 /* Attempt to maximize the headroom available for incoming frames.  We
  * use a 2K buffer for receives and need 1536/1534 to store the data for
  * the frame.  This leaves us with 512 bytes of room.  From that we need
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index b5b8be4672aa..5c542f5d2b20 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -6728,6 +6728,18 @@ static void ixgbe_free_all_rx_resources(struct ixgbe_adapter *adapter)
 			ixgbe_free_rx_resources(adapter->rx_ring[i]);
 }
 
+/**
+ * ixgbe_max_xdp_frame_size - returns the maximum allowed frame size for XDP
+ * @adapter: device handle, pointer to adapter
+ */
+static int ixgbe_max_xdp_frame_size(struct ixgbe_adapter *adapter)
+{
+	if (PAGE_SIZE >= 8192 || adapter->flags2 & IXGBE_FLAG2_RX_LEGACY)
+		return IXGBE_RXBUFFER_2K;
+	else
+		return IXGBE_RXBUFFER_3K;
+}
+
 /**
  * ixgbe_change_mtu - Change the Maximum Transfer Unit
  * @netdev: network interface device structure
@@ -6739,18 +6751,12 @@ static int ixgbe_change_mtu(struct net_device *netdev, int new_mtu)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
 
-	if (adapter->xdp_prog) {
-		int new_frame_size = new_mtu + ETH_HLEN + ETH_FCS_LEN +
-				     VLAN_HLEN;
-		int i;
-
-		for (i = 0; i < adapter->num_rx_queues; i++) {
-			struct ixgbe_ring *ring = adapter->rx_ring[i];
+	if (ixgbe_enabled_xdp_adapter(adapter)) {
+		int new_frame_size = new_mtu + IXGBE_PKT_HDR_PAD;
 
-			if (new_frame_size > ixgbe_rx_bufsz(ring)) {
-				e_warn(probe, "Requested MTU size is not supported with XDP\n");
-				return -EINVAL;
-			}
+		if (new_frame_size > ixgbe_max_xdp_frame_size(adapter)) {
+			e_warn(probe, "Requested MTU size is not supported with XDP\n");
+			return -EINVAL;
 		}
 	}
 
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
index bfc4a92f1d92..78be62ecc9a9 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
@@ -505,6 +505,8 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
 	plat_dat->has_gmac4 = 1;
 	plat_dat->pmt = 1;
 	plat_dat->tso_en = of_property_read_bool(np, "snps,tso");
+	if (of_device_is_compatible(np, "qcom,qcs404-ethqos"))
+		plat_dat->rx_clk_runs_in_lpi = 1;
 
 	ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
 	if (ret)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
index de5255b951e1..d1b8b51bf6ad 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
@@ -520,9 +520,9 @@ int dwmac5_flex_pps_config(void __iomem *ioaddr, int index,
 		return 0;
 	}
 
-	val |= PPSCMDx(index, 0x2);
 	val |= TRGTMODSELx(index, 0x2);
 	val |= PPSEN0;
+	writel(val, ioaddr + MAC_PPS_CONTROL);
 
 	writel(cfg->start.tv_sec, ioaddr + MAC_PPSx_TARGET_TIME_SEC(index));
 
@@ -547,6 +547,7 @@ int dwmac5_flex_pps_config(void __iomem *ioaddr, int index,
 	writel(period - 1, ioaddr + MAC_PPSx_WIDTH(index));
 
 	/* Finally, activate it */
+	val |= PPSCMDx(index, 0x2);
 	writel(val, ioaddr + MAC_PPS_CONTROL);
 	return 0;
 }
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index b52ca2fe04d8..1ec000d4c770 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1058,7 +1058,8 @@ static void stmmac_mac_link_up(struct phylink_config *config,
 
 	stmmac_mac_set(priv, priv->ioaddr, true);
 	if (phy && priv->dma_cap.eee) {
-		priv->eee_active = phy_init_eee(phy, 1) >= 0;
+		priv->eee_active =
+			phy_init_eee(phy, !priv->plat->rx_clk_runs_in_lpi) >= 0;
 		priv->eee_enabled = stmmac_eee_init(priv);
 		priv->tx_lpi_enabled = priv->eee_enabled;
 		stmmac_set_eee_pls(priv, priv->hw, true);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 1ed74cfb61fc..f02ce09020fb 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -559,7 +559,7 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac)
 	dma_cfg->mixed_burst = of_property_read_bool(np, "snps,mixed-burst");
 
 	plat->force_thresh_dma_mode = of_property_read_bool(np, "snps,force_thresh_dma_mode");
-	if (plat->force_thresh_dma_mode) {
+	if (plat->force_thresh_dma_mode && plat->force_sf_dma_mode) {
 		plat->force_sf_dma_mode = 0;
 		dev_warn(&pdev->dev,
 			 "force_sf_dma_mode is ignored if force_thresh_dma_mode is set.\n");
diff --git a/drivers/net/usb/kalmia.c b/drivers/net/usb/kalmia.c
index fc5895f85cee..a552bb1665b8 100644
--- a/drivers/net/usb/kalmia.c
+++ b/drivers/net/usb/kalmia.c
@@ -65,8 +65,8 @@ kalmia_send_init_packet(struct usbnet *dev, u8 *init_msg, u8 init_msg_len,
 		init_msg, init_msg_len, &act_len, KALMIA_USB_TIMEOUT);
 	if (status != 0) {
 		netdev_err(dev->net,
-			"Error sending init packet. Status %i, length %i\n",
-			status, act_len);
+			"Error sending init packet. Status %i\n",
+			status);
 		return status;
 	}
 	else if (act_len != init_msg_len) {
@@ -83,8 +83,8 @@ kalmia_send_init_packet(struct usbnet *dev, u8 *init_msg, u8 init_msg_len,
 
 	if (status != 0)
 		netdev_err(dev->net,
-			"Error receiving init result. Status %i, length %i\n",
-			status, act_len);
+			"Error receiving init result. Status %i\n",
+			status);
 	else if (act_len != expected_len)
 		netdev_err(dev->net, "Unexpected init result length: %i\n",
 			act_len);
diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index 640031cbda7c..46fc44ce8671 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -1675,8 +1675,10 @@ nvmet_fc_ls_create_association(struct nvmet_fc_tgtport *tgtport,
 		else {
 			queue = nvmet_fc_alloc_target_queue(iod->assoc, 0,
 					be16_to_cpu(rqst->assoc_cmd.sqsize));
-			if (!queue)
+			if (!queue) {
 				ret = VERR_QUEUE_ALLOC_FAIL;
+				nvmet_fc_tgt_a_put(iod->assoc);
+			}
 		}
 	}
 
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index 48fbe49e3772..1505c745154e 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -627,16 +627,19 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
 
 	nvmem->id = rval;
 
-	if (config->wp_gpio)
-		nvmem->wp_gpio = config->wp_gpio;
-	else if (!config->ignore_wp)
+	nvmem->dev.type = &nvmem_provider_type;
+	nvmem->dev.bus = &nvmem_bus_type;
+	nvmem->dev.parent = config->dev;
+
+	device_initialize(&nvmem->dev);
+
+	if (!config->ignore_wp)
 		nvmem->wp_gpio = gpiod_get_optional(config->dev, "wp",
 						    GPIOD_OUT_HIGH);
 	if (IS_ERR(nvmem->wp_gpio)) {
-		ida_free(&nvmem_ida, nvmem->id);
 		rval = PTR_ERR(nvmem->wp_gpio);
-		kfree(nvmem);
-		return ERR_PTR(rval);
+		nvmem->wp_gpio = NULL;
+		goto err_put_device;
 	}
 
 	kref_init(&nvmem->refcnt);
@@ -648,9 +651,6 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
 	nvmem->stride = config->stride ?: 1;
 	nvmem->word_size = config->word_size ?: 1;
 	nvmem->size = config->size;
-	nvmem->dev.type = &nvmem_provider_type;
-	nvmem->dev.bus = &nvmem_bus_type;
-	nvmem->dev.parent = config->dev;
 	nvmem->root_only = config->root_only;
 	nvmem->priv = config->priv;
 	nvmem->type = config->type;
@@ -661,18 +661,21 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
 
 	switch (config->id) {
 	case NVMEM_DEVID_NONE:
-		dev_set_name(&nvmem->dev, "%s", config->name);
+		rval = dev_set_name(&nvmem->dev, "%s", config->name);
 		break;
 	case NVMEM_DEVID_AUTO:
-		dev_set_name(&nvmem->dev, "%s%d", config->name, nvmem->id);
+		rval = dev_set_name(&nvmem->dev, "%s%d", config->name, nvmem->id);
 		break;
 	default:
-		dev_set_name(&nvmem->dev, "%s%d",
+		rval = dev_set_name(&nvmem->dev, "%s%d",
 			     config->name ? : "nvmem",
 			     config->name ? config->id : nvmem->id);
 		break;
 	}
 
+	if (rval)
+		goto err_put_device;
+
 	nvmem->read_only = device_property_present(config->dev, "read-only") ||
 			   config->read_only || !nvmem->reg_write;
 
@@ -680,16 +683,10 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
 	nvmem->dev.groups = nvmem_dev_groups;
 #endif
 
-	dev_dbg(&nvmem->dev, "Registering nvmem device %s\n", config->name);
-
-	rval = device_register(&nvmem->dev);
-	if (rval)
-		goto err_put_device;
-
 	if (config->compat) {
 		rval = nvmem_sysfs_setup_compat(nvmem, config);
 		if (rval)
-			goto err_device_del;
+			goto err_put_device;
 	}
 
 	if (config->cells) {
@@ -706,6 +703,12 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
 	if (rval)
 		goto err_remove_cells;
 
+	dev_dbg(&nvmem->dev, "Registering nvmem device %s\n", config->name);
+
+	rval = device_add(&nvmem->dev);
+	if (rval)
+		goto err_remove_cells;
+
 	blocking_notifier_call_chain(&nvmem_notifier, NVMEM_ADD, nvmem);
 
 	return nvmem;
@@ -714,8 +717,6 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
 	nvmem_device_remove_all_cells(nvmem);
 	if (config->compat)
 		nvmem_sysfs_remove_compat(nvmem, config);
-err_device_del:
-	device_del(&nvmem->dev);
 err_put_device:
 	put_device(&nvmem->dev);
 
diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c
index bc26acace2c3..b96fbc8dba09 100644
--- a/drivers/platform/x86/touchscreen_dmi.c
+++ b/drivers/platform/x86/touchscreen_dmi.c
@@ -1030,6 +1030,15 @@ const struct dmi_system_id touchscreen_dmi_table[] = {
 			DMI_MATCH(DMI_BIOS_DATE, "05/07/2016"),
 		},
 	},
+	{
+		/* Chuwi Vi8 (CWI501) */
+		.driver_data = (void *)&chuwi_vi8_data,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Insyde"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "i86"),
+			DMI_MATCH(DMI_BIOS_VERSION, "CHUWI.W86JLBNR01"),
+		},
+	},
 	{
 		/* Chuwi Vi8 (CWI506) */
 		.driver_data = (void *)&chuwi_vi8_data,
diff --git a/fs/aio.c b/fs/aio.c
index 2a9dfa58ec3a..5934ea84b499 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -335,6 +335,9 @@ static int aio_ring_mremap(struct vm_area_struct *vma)
 	spin_lock(&mm->ioctx_lock);
 	rcu_read_lock();
 	table = rcu_dereference(mm->ioctx_table);
+	if (!table)
+		goto out_unlock;
+
 	for (i = 0; i < table->nr; i++) {
 		struct kioctx *ctx;
 
@@ -348,6 +351,7 @@ static int aio_ring_mremap(struct vm_area_struct *vma)
 		}
 	}
 
+out_unlock:
 	rcu_read_unlock();
 	spin_unlock(&mm->ioctx_lock);
 	return res;
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 07d26f61f22a..3a1dea5d1448 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -1129,7 +1129,14 @@ static int nilfs_ioctl_set_alloc_range(struct inode *inode, void __user *argp)
 
 	minseg = range[0] + segbytes - 1;
 	do_div(minseg, segbytes);
+
+	if (range[1] < 4096)
+		goto out;
+
 	maxseg = NILFS_SB2_OFFSET_BYTES(range[1]);
+	if (maxseg < segbytes)
+		goto out;
+
 	do_div(maxseg, segbytes);
 	maxseg--;
 
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 7a41c9727c9e..775184868763 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -408,6 +408,15 @@ int nilfs_resize_fs(struct super_block *sb, __u64 newsize)
 	if (newsize > devsize)
 		goto out;
 
+	/*
+	 * Prevent underflow in second superblock position calculation.
+	 * The exact minimum size check is done in nilfs_sufile_resize().
+	 */
+	if (newsize < 4096) {
+		ret = -ENOSPC;
+		goto out;
+	}
+
 	/*
 	 * Write lock is required to protect some functions depending
 	 * on the number of segments, the number of reserved segments,
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index 211937054c31..38a1206cf948 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -544,9 +544,15 @@ static int nilfs_load_super_block(struct the_nilfs *nilfs,
 {
 	struct nilfs_super_block **sbp = nilfs->ns_sbp;
 	struct buffer_head **sbh = nilfs->ns_sbh;
-	u64 sb2off = NILFS_SB2_OFFSET_BYTES(nilfs->ns_bdev->bd_inode->i_size);
+	u64 sb2off, devsize = nilfs->ns_bdev->bd_inode->i_size;
 	int valid[2], swp = 0;
 
+	if (devsize < NILFS_SEG_MIN_BLOCKS * NILFS_MIN_BLOCK_SIZE + 4096) {
+		nilfs_err(sb, "device size too small");
+		return -EINVAL;
+	}
+	sb2off = NILFS_SB2_OFFSET_BYTES(devsize);
+
 	sbp[0] = nilfs_read_super_block(sb, NILFS_SB_OFFSET_BYTES, blocksize,
 					&sbh[0]);
 	sbp[1] = nilfs_read_super_block(sb, sb2off, blocksize, &sbh[1]);
diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c
index b019f27c1360..0e734c8b4dfa 100644
--- a/fs/overlayfs/file.c
+++ b/fs/overlayfs/file.c
@@ -531,9 +531,16 @@ static long ovl_fallocate(struct file *file, int mode, loff_t offset, loff_t len
 	const struct cred *old_cred;
 	int ret;
 
+	inode_lock(inode);
+	/* Update mode */
+	ovl_copyattr(ovl_inode_real(inode), inode);
+	ret = file_remove_privs(file);
+	if (ret)
+		goto out_unlock;
+
 	ret = ovl_real_fdget(file, &real);
 	if (ret)
-		return ret;
+		goto out_unlock;
 
 	old_cred = ovl_override_creds(file_inode(file)->i_sb);
 	ret = vfs_fallocate(real.file, mode, offset, len);
@@ -544,6 +551,9 @@ static long ovl_fallocate(struct file *file, int mode, loff_t offset, loff_t len
 
 	fdput(real);
 
+out_unlock:
+	inode_unlock(inode);
+
 	return ret;
 }
 
@@ -687,14 +697,23 @@ static loff_t ovl_copyfile(struct file *file_in, loff_t pos_in,
 	const struct cred *old_cred;
 	loff_t ret;
 
+	inode_lock(inode_out);
+	if (op != OVL_DEDUPE) {
+		/* Update mode */
+		ovl_copyattr(ovl_inode_real(inode_out), inode_out);
+		ret = file_remove_privs(file_out);
+		if (ret)
+			goto out_unlock;
+	}
+
 	ret = ovl_real_fdget(file_out, &real_out);
 	if (ret)
-		return ret;
+		goto out_unlock;
 
 	ret = ovl_real_fdget(file_in, &real_in);
 	if (ret) {
 		fdput(real_out);
-		return ret;
+		goto out_unlock;
 	}
 
 	old_cred = ovl_override_creds(file_inode(file_out)->i_sb);
@@ -723,6 +742,9 @@ static loff_t ovl_copyfile(struct file *file_in, loff_t pos_in,
 	fdput(real_in);
 	fdput(real_out);
 
+out_unlock:
+	inode_unlock(inode_out);
+
 	return ret;
 }
 
diff --git a/fs/squashfs/xattr_id.c b/fs/squashfs/xattr_id.c
index b88d19e9581e..c8469c656e0d 100644
--- a/fs/squashfs/xattr_id.c
+++ b/fs/squashfs/xattr_id.c
@@ -76,7 +76,7 @@ __le64 *squashfs_read_xattr_id_table(struct super_block *sb, u64 table_start,
 	/* Sanity check values */
 
 	/* there is always at least one xattr id */
-	if (*xattr_ids <= 0)
+	if (*xattr_ids == 0)
 		return ERR_PTR(-EINVAL);
 
 	len = SQUASHFS_XATTR_BLOCK_BYTES(*xattr_ids);
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index c0ba379574a4..99b73fc4a824 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -542,7 +542,10 @@ static inline struct hstate *hstate_sizelog(int page_size_log)
 	if (!page_size_log)
 		return &default_hstate;
 
-	return size_to_hstate(1UL << page_size_log);
+	if (page_size_log < BITS_PER_LONG)
+		return size_to_hstate(1UL << page_size_log);
+
+	return NULL;
 }
 
 static inline struct hstate *hstate_vma(struct vm_area_struct *vma)
diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h
index 39ec67689898..5e07f3cfad30 100644
--- a/include/linux/nvmem-provider.h
+++ b/include/linux/nvmem-provider.h
@@ -49,7 +49,6 @@ enum nvmem_type {
  * @word_size:	Minimum read/write access granularity.
  * @stride:	Minimum read/write access stride.
  * @priv:	User context passed to read/write callbacks.
- * @wp-gpio:	Write protect pin
  * @ignore_wp:  Write Protect pin is managed by the provider.
  *
  * Note: A default "nvmem<id>" name will be assigned to the device if
@@ -64,7 +63,6 @@ struct nvmem_config {
 	const char		*name;
 	int			id;
 	struct module		*owner;
-	struct gpio_desc	*wp_gpio;
 	const struct nvmem_cell_info	*cells;
 	int			ncells;
 	enum nvmem_type		type;
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 40df88728a6f..abf7b8ec1fb6 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -199,6 +199,7 @@ struct plat_stmmacenet_data {
 	int rss_en;
 	int mac_port_sel_speed;
 	bool en_tx_lpi_clockgating;
+	bool rx_clk_runs_in_lpi;
 	int has_xgmac;
 	bool vlan_fail_q_en;
 	u8 vlan_fail_q;
diff --git a/include/net/sock.h b/include/net/sock.h
index 69bbbe8bbf34..0f48d50a6dde 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -2243,6 +2243,19 @@ static inline __must_check bool skb_set_owner_sk_safe(struct sk_buff *skb, struc
 	return false;
 }
 
+static inline struct sk_buff *skb_clone_and_charge_r(struct sk_buff *skb, struct sock *sk)
+{
+	skb = skb_clone(skb, sk_gfp_mask(sk, GFP_ATOMIC));
+	if (skb) {
+		if (sk_rmem_schedule(sk, skb, skb->truesize)) {
+			skb_set_owner_r(skb, sk);
+			return skb;
+		}
+		__kfree_skb(skb);
+	}
+	return NULL;
+}
+
 void sk_reset_timer(struct sock *sk, struct timer_list *timer,
 		    unsigned long expires);
 
diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c
index b7f38f3ad42a..debaeb07ae53 100644
--- a/kernel/sched/psi.c
+++ b/kernel/sched/psi.c
@@ -1158,10 +1158,11 @@ void psi_trigger_destroy(struct psi_trigger *t)
 
 	group = t->group;
 	/*
-	 * Wakeup waiters to stop polling. Can happen if cgroup is deleted
-	 * from under a polling process.
+	 * Wakeup waiters to stop polling and clear the queue to prevent it from
+	 * being accessed later. Can happen if cgroup is deleted from under a
+	 * polling process.
 	 */
-	wake_up_interruptible(&t->event_wait);
+	wake_up_pollfree(&t->event_wait);
 
 	mutex_lock(&group->trigger_lock);
 
diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
index daeaa7140d0a..1de426d3f694 100644
--- a/kernel/time/alarmtimer.c
+++ b/kernel/time/alarmtimer.c
@@ -470,11 +470,35 @@ u64 alarm_forward(struct alarm *alarm, ktime_t now, ktime_t interval)
 }
 EXPORT_SYMBOL_GPL(alarm_forward);
 
-u64 alarm_forward_now(struct alarm *alarm, ktime_t interval)
+static u64 __alarm_forward_now(struct alarm *alarm, ktime_t interval, bool throttle)
 {
 	struct alarm_base *base = &alarm_bases[alarm->type];
+	ktime_t now = base->get_ktime();
+
+	if (IS_ENABLED(CONFIG_HIGH_RES_TIMERS) && throttle) {
+		/*
+		 * Same issue as with posix_timer_fn(). Timers which are
+		 * periodic but the signal is ignored can starve the system
+		 * with a very small interval. The real fix which was
+		 * promised in the context of posix_timer_fn() never
+		 * materialized, but someone should really work on it.
+		 *
+		 * To prevent DOS fake @now to be 1 jiffie out which keeps
+		 * the overrun accounting correct but creates an
+		 * inconsistency vs. timer_gettime(2).
+		 */
+		ktime_t kj = NSEC_PER_SEC / HZ;
+
+		if (interval < kj)
+			now = ktime_add(now, kj);
+	}
+
+	return alarm_forward(alarm, now, interval);
+}
 
-	return alarm_forward(alarm, base->get_ktime(), interval);
+u64 alarm_forward_now(struct alarm *alarm, ktime_t interval)
+{
+	return __alarm_forward_now(alarm, interval, false);
 }
 EXPORT_SYMBOL_GPL(alarm_forward_now);
 
@@ -548,9 +572,10 @@ static enum alarmtimer_restart alarm_handle_timer(struct alarm *alarm,
 	if (posix_timer_event(ptr, si_private) && ptr->it_interval) {
 		/*
 		 * Handle ignored signals and rearm the timer. This will go
-		 * away once we handle ignored signals proper.
+		 * away once we handle ignored signals proper. Ensure that
+		 * small intervals cannot starve the system.
 		 */
-		ptr->it_overrun += alarm_forward_now(alarm, ptr->it_interval);
+		ptr->it_overrun += __alarm_forward_now(alarm, ptr->it_interval, true);
 		++ptr->it_requeue_pending;
 		ptr->it_active = 1;
 		result = ALARMTIMER_RESTART;
diff --git a/mm/memblock.c b/mm/memblock.c
index f6a4dffb9a88..f72d53957033 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1597,13 +1597,7 @@ void __init __memblock_free_late(phys_addr_t base, phys_addr_t size)
 	end = PFN_DOWN(base + size);
 
 	for (; cursor < end; cursor++) {
-		/*
-		 * Reserved pages are always initialized by the end of
-		 * memblock_free_all() (by memmap_init() and, if deferred
-		 * initialization is enabled, memmap_init_reserved_pages()), so
-		 * these pages can be released directly to the buddy allocator.
-		 */
-		__free_pages_core(pfn_to_page(cursor), 0);
+		memblock_free_pages(pfn_to_page(cursor), cursor, 0);
 		totalram_pages_inc();
 	}
 }
diff --git a/net/core/dev.c b/net/core/dev.c
index 37bb60a7e97e..b7646d4e079b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -10326,7 +10326,7 @@ void netdev_stats_to_stats64(struct rtnl_link_stats64 *stats64,
 
 	BUILD_BUG_ON(n > sizeof(*stats64) / sizeof(u64));
 	for (i = 0; i < n; i++)
-		dst[i] = atomic_long_read(&src[i]);
+		dst[i] = (unsigned long)atomic_long_read(&src[i]);
 	/* zero out counters that only exist in rtnl_link_stats64 */
 	memset((char *)stats64 + n * sizeof(u64), 0,
 	       sizeof(*stats64) - n * sizeof(u64));
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 21c61a9c3b15..c563f9b325d0 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -541,11 +541,9 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk,
 	*own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash), NULL);
 	/* Clone pktoptions received with SYN, if we own the req */
 	if (*own_req && ireq->pktopts) {
-		newnp->pktoptions = skb_clone(ireq->pktopts, GFP_ATOMIC);
+		newnp->pktoptions = skb_clone_and_charge_r(ireq->pktopts, newsk);
 		consume_skb(ireq->pktopts);
 		ireq->pktopts = NULL;
-		if (newnp->pktoptions)
-			skb_set_owner_r(newnp->pktoptions, newsk);
 	}
 
 	return newsk;
@@ -605,7 +603,7 @@ static int dccp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
 					       --ANK (980728)
 	 */
 	if (np->rxopt.all)
-		opt_skb = skb_clone(skb, GFP_ATOMIC);
+		opt_skb = skb_clone_and_charge_r(skb, sk);
 
 	if (sk->sk_state == DCCP_OPEN) { /* Fast path */
 		if (dccp_rcv_established(sk, skb, dccp_hdr(skb), skb->len))
@@ -669,7 +667,6 @@ static int dccp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
 			np->flow_label = ip6_flowlabel(ipv6_hdr(opt_skb));
 		if (ipv6_opt_accepted(sk, opt_skb,
 				      &DCCP_SKB_CB(opt_skb)->header.h6)) {
-			skb_set_owner_r(opt_skb, sk);
 			memmove(IP6CB(opt_skb),
 				&DCCP_SKB_CB(opt_skb)->header.h6,
 				sizeof(struct inet6_skb_parm));
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index f4559e5bc84b..a30ff5d6808a 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -51,7 +51,7 @@ static void ip6_datagram_flow_key_init(struct flowi6 *fl6, struct sock *sk)
 	fl6->flowi6_mark = sk->sk_mark;
 	fl6->fl6_dport = inet->inet_dport;
 	fl6->fl6_sport = inet->inet_sport;
-	fl6->flowlabel = np->flow_label;
+	fl6->flowlabel = ip6_make_flowinfo(np->tclass, np->flow_label);
 	fl6->flowi6_uid = sk->sk_uid;
 
 	if (!fl6->flowi6_oif)
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index c599e14be414..e4ae5362cb51 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -269,6 +269,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 	fl6.flowi6_proto = IPPROTO_TCP;
 	fl6.daddr = sk->sk_v6_daddr;
 	fl6.saddr = saddr ? *saddr : np->saddr;
+	fl6.flowlabel = ip6_make_flowinfo(np->tclass, np->flow_label);
 	fl6.flowi6_oif = sk->sk_bound_dev_if;
 	fl6.flowi6_mark = sk->sk_mark;
 	fl6.fl6_dport = usin->sin6_port;
@@ -1406,14 +1407,11 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
 
 		/* Clone pktoptions received with SYN, if we own the req */
 		if (ireq->pktopts) {
-			newnp->pktoptions = skb_clone(ireq->pktopts,
-						      sk_gfp_mask(sk, GFP_ATOMIC));
+			newnp->pktoptions = skb_clone_and_charge_r(ireq->pktopts, newsk);
 			consume_skb(ireq->pktopts);
 			ireq->pktopts = NULL;
-			if (newnp->pktoptions) {
+			if (newnp->pktoptions)
 				tcp_v6_restore_cb(newnp->pktoptions);
-				skb_set_owner_r(newnp->pktoptions, newsk);
-			}
 		}
 	} else {
 		if (!req_unhash && found_dup_sk) {
@@ -1481,7 +1479,7 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
 					       --ANK (980728)
 	 */
 	if (np->rxopt.all)
-		opt_skb = skb_clone(skb, sk_gfp_mask(sk, GFP_ATOMIC));
+		opt_skb = skb_clone_and_charge_r(skb, sk);
 
 	if (sk->sk_state == TCP_ESTABLISHED) { /* Fast path */
 		struct dst_entry *dst;
@@ -1563,7 +1561,6 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
 		if (np->repflow)
 			np->flow_label = ip6_flowlabel(ipv6_hdr(opt_skb));
 		if (ipv6_opt_accepted(sk, opt_skb, &TCP_SKB_CB(opt_skb)->header.h6)) {
-			skb_set_owner_r(opt_skb, sk);
 			tcp_v6_restore_cb(opt_skb);
 			opt_skb = xchg(&np->pktoptions, opt_skb);
 		} else {
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index 72398149e4d4..1dcbdab9319b 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -1427,6 +1427,7 @@ static int mpls_dev_sysctl_register(struct net_device *dev,
 free:
 	kfree(table);
 out:
+	mdev->sysctl = NULL;
 	return -ENOBUFS;
 }
 
@@ -1436,6 +1437,9 @@ static void mpls_dev_sysctl_unregister(struct net_device *dev,
 	struct net *net = dev_net(dev);
 	struct ctl_table *table;
 
+	if (!mdev->sysctl)
+		return;
+
 	table = mdev->sysctl->ctl_table_arg;
 	unregister_net_sysctl_table(mdev->sysctl);
 	kfree(table);
diff --git a/net/netfilter/nft_tproxy.c b/net/netfilter/nft_tproxy.c
index 37c728bdad41..c49d318f8e6e 100644
--- a/net/netfilter/nft_tproxy.c
+++ b/net/netfilter/nft_tproxy.c
@@ -289,6 +289,13 @@ static int nft_tproxy_dump(struct sk_buff *skb,
 	return 0;
 }
 
+static int nft_tproxy_validate(const struct nft_ctx *ctx,
+			       const struct nft_expr *expr,
+			       const struct nft_data **data)
+{
+	return nft_chain_validate_hooks(ctx->chain, 1 << NF_INET_PRE_ROUTING);
+}
+
 static struct nft_expr_type nft_tproxy_type;
 static const struct nft_expr_ops nft_tproxy_ops = {
 	.type		= &nft_tproxy_type,
@@ -296,6 +303,7 @@ static const struct nft_expr_ops nft_tproxy_ops = {
 	.eval		= nft_tproxy_eval,
 	.init		= nft_tproxy_init,
 	.dump		= nft_tproxy_dump,
+	.validate	= nft_tproxy_validate,
 };
 
 static struct nft_expr_type nft_tproxy_type __read_mostly = {
diff --git a/net/openvswitch/meter.c b/net/openvswitch/meter.c
index e594b4d6b58a..0cf3dda5319f 100644
--- a/net/openvswitch/meter.c
+++ b/net/openvswitch/meter.c
@@ -450,7 +450,7 @@ static int ovs_meter_cmd_set(struct sk_buff *skb, struct genl_info *info)
 
 	err = attach_meter(meter_tbl, meter);
 	if (err)
-		goto exit_unlock;
+		goto exit_free_old_meter;
 
 	ovs_unlock();
 
@@ -473,6 +473,8 @@ static int ovs_meter_cmd_set(struct sk_buff *skb, struct genl_info *info)
 	genlmsg_end(reply, ovs_reply_header);
 	return genlmsg_reply(reply, info);
 
+exit_free_old_meter:
+	ovs_meter_free(old_meter);
 exit_unlock:
 	ovs_unlock();
 	nlmsg_free(reply);
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 29a208ed8fb8..86c93cf1744b 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -487,6 +487,12 @@ static int rose_listen(struct socket *sock, int backlog)
 {
 	struct sock *sk = sock->sk;
 
+	lock_sock(sk);
+	if (sock->state != SS_UNCONNECTED) {
+		release_sock(sk);
+		return -EINVAL;
+	}
+
 	if (sk->sk_state != TCP_LISTEN) {
 		struct rose_sock *rose = rose_sk(sk);
 
@@ -496,8 +502,10 @@ static int rose_listen(struct socket *sock, int backlog)
 		memset(rose->dest_digis, 0, AX25_ADDR_LEN * ROSE_MAX_DIGIS);
 		sk->sk_max_ack_backlog = backlog;
 		sk->sk_state           = TCP_LISTEN;
+		release_sock(sk);
 		return 0;
 	}
+	release_sock(sk);
 
 	return -EOPNOTSUPP;
 }
diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c
index a4c7ba35a343..78f1cd70c8d1 100644
--- a/net/sched/act_bpf.c
+++ b/net/sched/act_bpf.c
@@ -307,7 +307,7 @@ static int tcf_bpf_init(struct net *net, struct nlattr *nla,
 	ret = tcf_idr_check_alloc(tn, &index, act, bind);
 	if (!ret) {
 		ret = tcf_idr_create(tn, index, est, act,
-				     &act_bpf_ops, bind, true, 0);
+				     &act_bpf_ops, bind, true, flags);
 		if (ret < 0) {
 			tcf_idr_cleanup(tn, index);
 			return ret;
diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c
index 31d268eedf3f..b6576a250e85 100644
--- a/net/sched/act_connmark.c
+++ b/net/sched/act_connmark.c
@@ -124,7 +124,7 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla,
 	ret = tcf_idr_check_alloc(tn, &index, a, bind);
 	if (!ret) {
 		ret = tcf_idr_create(tn, index, est, a,
-				     &act_connmark_ops, bind, false, 0);
+				     &act_connmark_ops, bind, false, flags);
 		if (ret) {
 			tcf_idr_cleanup(tn, index);
 			return ret;
diff --git a/net/sched/act_ctinfo.c b/net/sched/act_ctinfo.c
index 06c74f22ab98..5aa005835c06 100644
--- a/net/sched/act_ctinfo.c
+++ b/net/sched/act_ctinfo.c
@@ -92,7 +92,7 @@ static int tcf_ctinfo_act(struct sk_buff *skb, const struct tc_action *a,
 	cp = rcu_dereference_bh(ca->params);
 
 	tcf_lastuse_update(&ca->tcf_tm);
-	bstats_update(&ca->tcf_bstats, skb);
+	tcf_action_update_bstats(&ca->common, skb);
 	action = READ_ONCE(ca->tcf_action);
 
 	wlen = skb_network_offset(skb);
@@ -211,8 +211,8 @@ static int tcf_ctinfo_init(struct net *net, struct nlattr *nla,
 	index = actparm->index;
 	err = tcf_idr_check_alloc(tn, &index, a, bind);
 	if (!err) {
-		ret = tcf_idr_create(tn, index, est, a,
-				     &act_ctinfo_ops, bind, false, 0);
+		ret = tcf_idr_create_from_flags(tn, index, est, a,
+						&act_ctinfo_ops, bind, flags);
 		if (ret) {
 			tcf_idr_cleanup(tn, index);
 			return ret;
diff --git a/net/sched/act_gate.c b/net/sched/act_gate.c
index a78cb7965718..0e7568a06351 100644
--- a/net/sched/act_gate.c
+++ b/net/sched/act_gate.c
@@ -357,7 +357,7 @@ static int tcf_gate_init(struct net *net, struct nlattr *nla,
 
 	if (!err) {
 		ret = tcf_idr_create(tn, index, est, a,
-				     &act_gate_ops, bind, false, 0);
+				     &act_gate_ops, bind, false, flags);
 		if (ret) {
 			tcf_idr_cleanup(tn, index);
 			return ret;
diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c
index a2ddea04183a..99548b2a1bc8 100644
--- a/net/sched/act_ife.c
+++ b/net/sched/act_ife.c
@@ -553,7 +553,7 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla,
 
 	if (!exists) {
 		ret = tcf_idr_create(tn, index, est, a, &act_ife_ops,
-				     bind, true, 0);
+				     bind, true, flags);
 		if (ret) {
 			tcf_idr_cleanup(tn, index);
 			kfree(p);
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 8dc3bec0d325..080f2952cd53 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -144,7 +144,7 @@ static int __tcf_ipt_init(struct net *net, unsigned int id, struct nlattr *nla,
 
 	if (!exists) {
 		ret = tcf_idr_create(tn, index, est, a, ops, bind,
-				     false, 0);
+				     false, flags);
 		if (ret) {
 			tcf_idr_cleanup(tn, index);
 			return ret;
diff --git a/net/sched/act_mpls.c b/net/sched/act_mpls.c
index 09799412b248..47b963ded4e4 100644
--- a/net/sched/act_mpls.c
+++ b/net/sched/act_mpls.c
@@ -254,7 +254,7 @@ static int tcf_mpls_init(struct net *net, struct nlattr *nla,
 
 	if (!exists) {
 		ret = tcf_idr_create(tn, index, est, a,
-				     &act_mpls_ops, bind, true, 0);
+				     &act_mpls_ops, bind, true, flags);
 		if (ret) {
 			tcf_idr_cleanup(tn, index);
 			return ret;
diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c
index 1ebd2a86d980..8466dc25fe39 100644
--- a/net/sched/act_nat.c
+++ b/net/sched/act_nat.c
@@ -61,7 +61,7 @@ static int tcf_nat_init(struct net *net, struct nlattr *nla, struct nlattr *est,
 	err = tcf_idr_check_alloc(tn, &index, a, bind);
 	if (!err) {
 		ret = tcf_idr_create(tn, index, est, a,
-				     &act_nat_ops, bind, false, 0);
+				     &act_nat_ops, bind, false, flags);
 		if (ret) {
 			tcf_idr_cleanup(tn, index);
 			return ret;
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 0d5463ddfd62..db0d3bff19eb 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -189,7 +189,7 @@ static int tcf_pedit_init(struct net *net, struct nlattr *nla,
 	err = tcf_idr_check_alloc(tn, &index, a, bind);
 	if (!err) {
 		ret = tcf_idr_create(tn, index, est, a,
-				     &act_pedit_ops, bind, false, 0);
+				     &act_pedit_ops, bind, false, flags);
 		if (ret) {
 			tcf_idr_cleanup(tn, index);
 			goto out_free;
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index 380733588959..c30cd3ecb391 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -87,7 +87,7 @@ static int tcf_police_init(struct net *net, struct nlattr *nla,
 
 	if (!exists) {
 		ret = tcf_idr_create(tn, index, NULL, a,
-				     &act_police_ops, bind, true, 0);
+				     &act_police_ops, bind, true, flags);
 		if (ret) {
 			tcf_idr_cleanup(tn, index);
 			return ret;
diff --git a/net/sched/act_sample.c b/net/sched/act_sample.c
index 3ebf9ede3cf1..2f0e98bcf494 100644
--- a/net/sched/act_sample.c
+++ b/net/sched/act_sample.c
@@ -69,7 +69,7 @@ static int tcf_sample_init(struct net *net, struct nlattr *nla,
 
 	if (!exists) {
 		ret = tcf_idr_create(tn, index, est, a,
-				     &act_sample_ops, bind, true, 0);
+				     &act_sample_ops, bind, true, flags);
 		if (ret) {
 			tcf_idr_cleanup(tn, index);
 			return ret;
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index a4f3d0f0daa9..b9bbc87a87c5 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -128,7 +128,7 @@ static int tcf_simp_init(struct net *net, struct nlattr *nla,
 
 	if (!exists) {
 		ret = tcf_idr_create(tn, index, est, a,
-				     &act_simp_ops, bind, false, 0);
+				     &act_simp_ops, bind, false, flags);
 		if (ret) {
 			tcf_idr_cleanup(tn, index);
 			return ret;
diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
index e5f3fb8b00e3..a5661f2d93e9 100644
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -176,7 +176,7 @@ static int tcf_skbedit_init(struct net *net, struct nlattr *nla,
 
 	if (!exists) {
 		ret = tcf_idr_create(tn, index, est, a,
-				     &act_skbedit_ops, bind, true, 0);
+				     &act_skbedit_ops, bind, true, act_flags);
 		if (ret) {
 			tcf_idr_cleanup(tn, index);
 			return ret;
diff --git a/net/sched/act_skbmod.c b/net/sched/act_skbmod.c
index 8d17a543cc9f..aa98dcac94b9 100644
--- a/net/sched/act_skbmod.c
+++ b/net/sched/act_skbmod.c
@@ -147,7 +147,7 @@ static int tcf_skbmod_init(struct net *net, struct nlattr *nla,
 
 	if (!exists) {
 		ret = tcf_idr_create(tn, index, est, a,
-				     &act_skbmod_ops, bind, true, 0);
+				     &act_skbmod_ops, bind, true, flags);
 		if (ret) {
 			tcf_idr_cleanup(tn, index);
 			return ret;
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index 86250221d08d..2c0c95204cb5 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -12,6 +12,7 @@
 #include <linux/errno.h>
 #include <linux/slab.h>
 #include <linux/refcount.h>
+#include <linux/rcupdate.h>
 #include <net/act_api.h>
 #include <net/netlink.h>
 #include <net/pkt_cls.h>
@@ -338,6 +339,7 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
 	struct tcf_result cr = {};
 	int err, balloc = 0;
 	struct tcf_exts e;
+	bool update_h = false;
 
 	err = tcf_exts_init(&e, net, TCA_TCINDEX_ACT, TCA_TCINDEX_POLICE);
 	if (err < 0)
@@ -455,10 +457,13 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
 		}
 	}
 
-	if (cp->perfect)
+	if (cp->perfect) {
 		r = cp->perfect + handle;
-	else
-		r = tcindex_lookup(cp, handle) ? : &new_filter_result;
+	} else {
+		/* imperfect area is updated in-place using rcu */
+		update_h = !!tcindex_lookup(cp, handle);
+		r = &new_filter_result;
+	}
 
 	if (r == &new_filter_result) {
 		f = kzalloc(sizeof(*f), GFP_KERNEL);
@@ -484,7 +489,28 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
 
 	rcu_assign_pointer(tp->root, cp);
 
-	if (r == &new_filter_result) {
+	if (update_h) {
+		struct tcindex_filter __rcu **fp;
+		struct tcindex_filter *cf;
+
+		f->result.res = r->res;
+		tcf_exts_change(&f->result.exts, &r->exts);
+
+		/* imperfect area bucket */
+		fp = cp->h + (handle % cp->hash);
+
+		/* lookup the filter, guaranteed to exist */
+		for (cf = rcu_dereference_bh_rtnl(*fp); cf;
+		     fp = &cf->next, cf = rcu_dereference_bh_rtnl(*fp))
+			if (cf->key == (u16)handle)
+				break;
+
+		f->next = cf->next;
+
+		cf = rcu_replace_pointer(*fp, f, 1);
+		tcf_exts_get_net(&cf->result.exts);
+		tcf_queue_work(&cf->rwork, tcindex_destroy_fexts_work);
+	} else if (r == &new_filter_result) {
 		struct tcindex_filter *nfp;
 		struct tcindex_filter __rcu **fp;
 
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index c3ba018fd083..ff84ed531199 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -405,7 +405,10 @@ static void htb_activate_prios(struct htb_sched *q, struct htb_class *cl)
 	while (cl->cmode == HTB_MAY_BORROW && p && mask) {
 		m = mask;
 		while (m) {
-			int prio = ffz(~m);
+			unsigned int prio = ffz(~m);
+
+			if (WARN_ON_ONCE(prio >= ARRAY_SIZE(p->inner.clprio)))
+				break;
 			m &= ~(1 << prio);
 
 			if (p->inner.clprio[prio].feed.rb_node)
diff --git a/net/sctp/diag.c b/net/sctp/diag.c
index 68ff82ff49a3..07d0ada23bfd 100644
--- a/net/sctp/diag.c
+++ b/net/sctp/diag.c
@@ -349,11 +349,9 @@ static int sctp_sock_filter(struct sctp_endpoint *ep, struct sctp_transport *tsp
 	struct sctp_comm_param *commp = p;
 	struct sock *sk = ep->base.sk;
 	const struct inet_diag_req_v2 *r = commp->r;
-	struct sctp_association *assoc =
-		list_entry(ep->asocs.next, struct sctp_association, asocs);
 
 	/* find the ep only once through the transports by this condition */
-	if (tsp->asoc != assoc)
+	if (!list_is_first(&tsp->asoc->asocs, &ep->asocs))
 		return 0;
 
 	if (r->sdiag_family != AF_UNSPEC && sk->sk_family != r->sdiag_family)
diff --git a/sound/pci/hda/hda_bind.c b/sound/pci/hda/hda_bind.c
index 4efbcc41fdfb..0a83afa5f373 100644
--- a/sound/pci/hda/hda_bind.c
+++ b/sound/pci/hda/hda_bind.c
@@ -143,6 +143,7 @@ static int hda_codec_driver_probe(struct device *dev)
 
  error:
 	snd_hda_codec_cleanup_for_unbind(codec);
+	codec->preset = NULL;
 	return err;
 }
 
@@ -159,6 +160,7 @@ static int hda_codec_driver_remove(struct device *dev)
 	if (codec->patch_ops.free)
 		codec->patch_ops.free(codec);
 	snd_hda_codec_cleanup_for_unbind(codec);
+	codec->preset = NULL;
 	module_put(dev->driver->owner);
 	return 0;
 }
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 39281106477e..fc4a64a83ff2 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -784,7 +784,6 @@ void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec)
 	snd_array_free(&codec->cvt_setups);
 	snd_array_free(&codec->spdif_out);
 	snd_array_free(&codec->verbs);
-	codec->preset = NULL;
 	codec->follower_dig_outs = NULL;
 	codec->spdif_status_reset = 0;
 	snd_array_free(&codec->mixers);
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 2bd0a5839e80..48b802563c2d 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -1117,6 +1117,7 @@ static const struct hda_device_id snd_hda_id_conexant[] = {
 	HDA_CODEC_ENTRY(0x14f11f86, "CX8070", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f12008, "CX8200", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f120d0, "CX11970", patch_conexant_auto),
+	HDA_CODEC_ENTRY(0x14f120d1, "SN6180", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f15045, "CX20549 (Venice)", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f15047, "CX20551 (Waikiki)", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f15051, "CX20561 (Hermosa)", patch_conexant_auto),
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index d66d2cf7708e..fffa681313b6 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -827,7 +827,7 @@ static int alc_subsystem_id(struct hda_codec *codec, const hda_nid_t *ports)
 			alc_setup_gpio(codec, 0x02);
 			break;
 		case 7:
-			alc_setup_gpio(codec, 0x03);
+			alc_setup_gpio(codec, 0x04);
 			break;
 		case 5:
 		default:
diff --git a/sound/soc/codecs/cs42l56.c b/sound/soc/codecs/cs42l56.c
index d41e03193106..3c5ec47a8fe6 100644
--- a/sound/soc/codecs/cs42l56.c
+++ b/sound/soc/codecs/cs42l56.c
@@ -1193,18 +1193,12 @@ static int cs42l56_i2c_probe(struct i2c_client *i2c_client,
 	if (pdata) {
 		cs42l56->pdata = *pdata;
 	} else {
-		pdata = devm_kzalloc(&i2c_client->dev, sizeof(*pdata),
-				     GFP_KERNEL);
-		if (!pdata)
-			return -ENOMEM;
-
 		if (i2c_client->dev.of_node) {
 			ret = cs42l56_handle_of_data(i2c_client,
 						     &cs42l56->pdata);
 			if (ret != 0)
 				return ret;
 		}
-		cs42l56->pdata = *pdata;
 	}
 
 	if (cs42l56->pdata.gpio_nreset) {
diff --git a/sound/soc/intel/boards/sof_rt5682.c b/sound/soc/intel/boards/sof_rt5682.c
index 1f94fa5a15db..5883d1fa3b7e 100644
--- a/sound/soc/intel/boards/sof_rt5682.c
+++ b/sound/soc/intel/boards/sof_rt5682.c
@@ -704,6 +704,9 @@ static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
 		links[id].num_platforms = ARRAY_SIZE(platform_component);
 		links[id].nonatomic = true;
 		links[id].dpcm_playback = 1;
+		/* feedback stream or firmware-generated echo reference */
+		links[id].dpcm_capture = 1;
+
 		links[id].no_pcm = 1;
 		links[id].cpus = &cpus[id];
 		links[id].num_cpus = 1;
diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c
index de80f1b3d7f2..a6275cc92a40 100644
--- a/sound/soc/sof/intel/hda-dai.c
+++ b/sound/soc/sof/intel/hda-dai.c
@@ -212,6 +212,10 @@ static int hda_link_hw_params(struct snd_pcm_substream *substream,
 	int stream_tag;
 	int ret;
 
+	link = snd_hdac_ext_bus_get_link(bus, codec_dai->component->name);
+	if (!link)
+		return -EINVAL;
+
 	/* get stored dma data if resuming from system suspend */
 	link_dev = snd_soc_dai_get_dma_data(dai, substream);
 	if (!link_dev) {
@@ -232,10 +236,6 @@ static int hda_link_hw_params(struct snd_pcm_substream *substream,
 	if (ret < 0)
 		return ret;
 
-	link = snd_hdac_ext_bus_get_link(bus, codec_dai->component->name);
-	if (!link)
-		return -EINVAL;
-
 	/* set the hdac_stream in the codec dai */
 	snd_soc_dai_set_stream(codec_dai, hdac_stream(link_dev), substream->stream);
 
diff --git a/tools/testing/selftests/bpf/verifier/search_pruning.c b/tools/testing/selftests/bpf/verifier/search_pruning.c
index 7e50cb80873a..7e36078f8f48 100644
--- a/tools/testing/selftests/bpf/verifier/search_pruning.c
+++ b/tools/testing/selftests/bpf/verifier/search_pruning.c
@@ -154,3 +154,39 @@
 	.result_unpriv = ACCEPT,
 	.insn_processed = 15,
 },
+/* The test performs a conditional 64-bit write to a stack location
+ * fp[-8], this is followed by an unconditional 8-bit write to fp[-8],
+ * then data is read from fp[-8]. This sequence is unsafe.
+ *
+ * The test would be mistakenly marked as safe w/o dst register parent
+ * preservation in verifier.c:copy_register_state() function.
+ *
+ * Note the usage of BPF_F_TEST_STATE_FREQ to force creation of the
+ * checkpoint state after conditional 64-bit assignment.
+ */
+{
+	"write tracking and register parent chain bug",
+	.insns = {
+	/* r6 = ktime_get_ns() */
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	/* r0 = ktime_get_ns() */
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	/* if r0 > r6 goto +1 */
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_6, 1),
+	/* *(u64 *)(r10 - 8) = 0xdeadbeef */
+	BPF_ST_MEM(BPF_DW, BPF_REG_FP, -8, 0xdeadbeef),
+	/* r1 = 42 */
+	BPF_MOV64_IMM(BPF_REG_1, 42),
+	/* *(u8 *)(r10 - 8) = r1 */
+	BPF_STX_MEM(BPF_B, BPF_REG_FP, BPF_REG_1, -8),
+	/* r2 = *(u64 *)(r10 - 8) */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_FP, -8),
+	/* exit(0) */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.flags = BPF_F_TEST_STATE_FREQ,
+	.errstr = "invalid read from stack off -8+1 size 8",
+	.result = REJECT,
+},
diff --git a/tools/virtio/linux/bug.h b/tools/virtio/linux/bug.h
index b14c2c3b6b85..74aef964f509 100644
--- a/tools/virtio/linux/bug.h
+++ b/tools/virtio/linux/bug.h
@@ -1,11 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-#ifndef BUG_H
-#define BUG_H
+#ifndef _LINUX_BUG_H
+#define _LINUX_BUG_H
 
 #define BUG_ON(__BUG_ON_cond) assert(!(__BUG_ON_cond))
 
-#define BUILD_BUG_ON(x)
-
 #define BUG() abort()
 
-#endif /* BUG_H */
+#endif /* _LINUX_BUG_H */
diff --git a/tools/virtio/linux/build_bug.h b/tools/virtio/linux/build_bug.h
new file mode 100644
index 000000000000..cdbb75e28a60
--- /dev/null
+++ b/tools/virtio/linux/build_bug.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_BUILD_BUG_H
+#define _LINUX_BUILD_BUG_H
+
+#define BUILD_BUG_ON(x)
+
+#endif	/* _LINUX_BUILD_BUG_H */
diff --git a/tools/virtio/linux/cpumask.h b/tools/virtio/linux/cpumask.h
new file mode 100644
index 000000000000..307da69d6b26
--- /dev/null
+++ b/tools/virtio/linux/cpumask.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_CPUMASK_H
+#define _LINUX_CPUMASK_H
+
+#include <linux/kernel.h>
+
+#endif /* _LINUX_CPUMASK_H */
diff --git a/tools/virtio/linux/gfp.h b/tools/virtio/linux/gfp.h
new file mode 100644
index 000000000000..43d146f236f1
--- /dev/null
+++ b/tools/virtio/linux/gfp.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LINUX_GFP_H
+#define __LINUX_GFP_H
+
+#include <linux/topology.h>
+
+#endif
diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h
index 315e85cabeda..063ccc897564 100644
--- a/tools/virtio/linux/kernel.h
+++ b/tools/virtio/linux/kernel.h
@@ -10,6 +10,7 @@
 #include <stdarg.h>
 
 #include <linux/compiler.h>
+#include <linux/log2.h>
 #include <linux/types.h>
 #include <linux/list.h>
 #include <linux/printk.h>
diff --git a/tools/virtio/linux/kmsan.h b/tools/virtio/linux/kmsan.h
new file mode 100644
index 000000000000..272b5aa285d5
--- /dev/null
+++ b/tools/virtio/linux/kmsan.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_KMSAN_H
+#define _LINUX_KMSAN_H
+
+#include <linux/gfp.h>
+
+inline void kmsan_handle_dma(struct page *page, size_t offset, size_t size,
+			     enum dma_data_direction dir)
+{
+}
+
+#endif /* _LINUX_KMSAN_H */
diff --git a/tools/virtio/linux/scatterlist.h b/tools/virtio/linux/scatterlist.h
index 369ee308b668..74d9e1825748 100644
--- a/tools/virtio/linux/scatterlist.h
+++ b/tools/virtio/linux/scatterlist.h
@@ -2,6 +2,7 @@
 #ifndef SCATTERLIST_H
 #define SCATTERLIST_H
 #include <linux/kernel.h>
+#include <linux/bug.h>
 
 struct scatterlist {
 	unsigned long	page_link;
diff --git a/tools/virtio/linux/topology.h b/tools/virtio/linux/topology.h
new file mode 100644
index 000000000000..910794afb993
--- /dev/null
+++ b/tools/virtio/linux/topology.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_TOPOLOGY_H
+#define _LINUX_TOPOLOGY_H
+
+#include <linux/cpumask.h>
+
+#endif /* _LINUX_TOPOLOGY_H */