diff --git a/Makefile b/Makefile
index c62b531d5a85..cd374426114a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 6
-SUBLEVEL = 3
+SUBLEVEL = 4
 EXTRAVERSION =
 NAME = Charred Weasel
 
diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index 43fe85f20d57..7097a3395b25 100644
--- a/crypto/crypto_user.c
+++ b/crypto/crypto_user.c
@@ -455,6 +455,7 @@ static const int crypto_msg_min[CRYPTO_NR_MSGTYPES] = {
        [CRYPTO_MSG_NEWALG      - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg),
        [CRYPTO_MSG_DELALG      - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg),
        [CRYPTO_MSG_UPDATEALG   - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg),
+       [CRYPTO_MSG_GETALG      - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg),
        [CRYPTO_MSG_DELRNG      - CRYPTO_MSG_BASE] = 0,
 };
 
diff --git a/drivers/crypto/ux500/hash/hash_core.c 
b/drivers/crypto/ux500/hash/hash_core.c
index 574e87c7f2b8..9acccad26928 100644
--- a/drivers/crypto/ux500/hash/hash_core.c
+++ b/drivers/crypto/ux500/hash/hash_core.c
@@ -781,7 +781,7 @@ static int hash_process_data(struct hash_device_data 
*device_data,
                                                &device_data->state);
                                memmove(req_ctx->state.buffer,
                                        device_data->state.buffer,
-                                       HASH_BLOCK_SIZE / sizeof(u32));
+                                       HASH_BLOCK_SIZE);
                                if (ret) {
                                        dev_err(device_data->dev,
                                                "%s: hash_resume_state() 
failed!\n",
@@ -832,7 +832,7 @@ static int hash_process_data(struct hash_device_data 
*device_data,
 
                        memmove(device_data->state.buffer,
                                req_ctx->state.buffer,
-                               HASH_BLOCK_SIZE / sizeof(u32));
+                               HASH_BLOCK_SIZE);
                        if (ret) {
                                dev_err(device_data->dev, "%s: 
hash_save_state() failed!\n",
                                        __func__);
diff --git a/drivers/crypto/vmx/aes_cbc.c b/drivers/crypto/vmx/aes_cbc.c
index 495577b6d31b..94ad5c0adbcb 100644
--- a/drivers/crypto/vmx/aes_cbc.c
+++ b/drivers/crypto/vmx/aes_cbc.c
@@ -182,7 +182,7 @@ struct crypto_alg p8_aes_cbc_alg = {
        .cra_name = "cbc(aes)",
        .cra_driver_name = "p8_aes_cbc",
        .cra_module = THIS_MODULE,
-       .cra_priority = 1000,
+       .cra_priority = 2000,
        .cra_type = &crypto_blkcipher_type,
        .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | CRYPTO_ALG_NEED_FALLBACK,
        .cra_alignmask = 0,
diff --git a/drivers/crypto/vmx/aes_ctr.c b/drivers/crypto/vmx/aes_ctr.c
index 0a3c1b04cf3c..38ed10d761d0 100644
--- a/drivers/crypto/vmx/aes_ctr.c
+++ b/drivers/crypto/vmx/aes_ctr.c
@@ -166,7 +166,7 @@ struct crypto_alg p8_aes_ctr_alg = {
        .cra_name = "ctr(aes)",
        .cra_driver_name = "p8_aes_ctr",
        .cra_module = THIS_MODULE,
-       .cra_priority = 1000,
+       .cra_priority = 2000,
        .cra_type = &crypto_blkcipher_type,
        .cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER | CRYPTO_ALG_NEED_FALLBACK,
        .cra_alignmask = 0,
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 6dc810bce295..944a6dca0fcb 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -44,6 +44,9 @@ static const struct usb_device_id usb_quirk_list[] = {
        /* Creative SB Audigy 2 NX */
        { USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME },
 
+       /* USB3503 */
+       { USB_DEVICE(0x0424, 0x3503), .driver_info = USB_QUIRK_RESET_RESUME },
+
        /* Microsoft Wireless Laser Mouse 6000 Receiver */
        { USB_DEVICE(0x045e, 0x00e1), .driver_info = USB_QUIRK_RESET_RESUME },
 
@@ -173,6 +176,10 @@ static const struct usb_device_id usb_quirk_list[] = {
        /* MAYA44USB sound device */
        { USB_DEVICE(0x0a92, 0x0091), .driver_info = USB_QUIRK_RESET_RESUME },
 
+       /* ASUS Base Station(T100) */
+       { USB_DEVICE(0x0b05, 0x17e0), .driver_info =
+                       USB_QUIRK_IGNORE_REMOTE_WAKEUP },
+
        /* Action Semiconductor flash disk */
        { USB_DEVICE(0x10d6, 0x2200), .driver_info =
                        USB_QUIRK_STRING_FETCH_255 },
@@ -188,26 +195,22 @@ static const struct usb_device_id usb_quirk_list[] = {
        { USB_DEVICE(0x1908, 0x1315), .driver_info =
                        USB_QUIRK_HONOR_BNUMINTERFACES },
 
-       /* INTEL VALUE SSD */
-       { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
-
-       /* USB3503 */
-       { USB_DEVICE(0x0424, 0x3503), .driver_info = USB_QUIRK_RESET_RESUME },
-
-       /* ASUS Base Station(T100) */
-       { USB_DEVICE(0x0b05, 0x17e0), .driver_info =
-                       USB_QUIRK_IGNORE_REMOTE_WAKEUP },
-
        /* Protocol and OTG Electrical Test Device */
        { USB_DEVICE(0x1a0a, 0x0200), .driver_info =
                        USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL },
 
+       /* Acer C120 LED Projector */
+       { USB_DEVICE(0x1de1, 0xc102), .driver_info = USB_QUIRK_NO_LPM },
+
        /* Blackmagic Design Intensity Shuttle */
        { USB_DEVICE(0x1edb, 0xbd3b), .driver_info = USB_QUIRK_NO_LPM },
 
        /* Blackmagic Design UltraStudio SDI */
        { USB_DEVICE(0x1edb, 0xbd4f), .driver_info = USB_QUIRK_NO_LPM },
 
+       /* INTEL VALUE SSD */
+       { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
+
        { }  /* terminating entry must be last */
 };
 
diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
index dd5cb5577dca..2f1fb7e7aa54 100644
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -128,12 +128,6 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, exynos);
 
-       ret = dwc3_exynos_register_phys(exynos);
-       if (ret) {
-               dev_err(dev, "couldn't register PHYs\n");
-               return ret;
-       }
-
        exynos->dev     = dev;
 
        exynos->clk = devm_clk_get(dev, "usbdrd30");
@@ -183,20 +177,29 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
                goto err3;
        }
 
+       ret = dwc3_exynos_register_phys(exynos);
+       if (ret) {
+               dev_err(dev, "couldn't register PHYs\n");
+               goto err4;
+       }
+
        if (node) {
                ret = of_platform_populate(node, NULL, NULL, dev);
                if (ret) {
                        dev_err(dev, "failed to add dwc3 core\n");
-                       goto err4;
+                       goto err5;
                }
        } else {
                dev_err(dev, "no device node, failed to add dwc3 core\n");
                ret = -ENODEV;
-               goto err4;
+               goto err5;
        }
 
        return 0;
 
+err5:
+       platform_device_unregister(exynos->usb2_phy);
+       platform_device_unregister(exynos->usb3_phy);
 err4:
        regulator_disable(exynos->vdd10);
 err3:
diff --git a/drivers/usb/gadget/legacy/inode.c 
b/drivers/usb/gadget/legacy/inode.c
index e64479f882a5..aa3707bdebb4 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -938,8 +938,11 @@ ep0_read (struct file *fd, char __user *buf, size_t len, 
loff_t *ptr)
                        struct usb_ep           *ep = dev->gadget->ep0;
                        struct usb_request      *req = dev->req;
 
-                       if ((retval = setup_req (ep, req, 0)) == 0)
-                               retval = usb_ep_queue (ep, req, GFP_ATOMIC);
+                       if ((retval = setup_req (ep, req, 0)) == 0) {
+                               spin_unlock_irq (&dev->lock);
+                               retval = usb_ep_queue (ep, req, GFP_KERNEL);
+                               spin_lock_irq (&dev->lock);
+                       }
                        dev->state = STATE_DEV_CONNECTED;
 
                        /* assume that was SET_CONFIGURATION */
@@ -1457,8 +1460,11 @@ delegate:
                                                        w_length);
                                if (value < 0)
                                        break;
+
+                               spin_unlock (&dev->lock);
                                value = usb_ep_queue (gadget->ep0, dev->req,
-                                                       GFP_ATOMIC);
+                                                       GFP_KERNEL);
+                               spin_lock (&dev->lock);
                                if (value < 0) {
                                        clean_req (gadget->ep0, dev->req);
                                        break;
@@ -1481,11 +1487,14 @@ delegate:
        if (value >= 0 && dev->state != STATE_DEV_SETUP) {
                req->length = value;
                req->zero = value < w_length;
-               value = usb_ep_queue (gadget->ep0, req, GFP_ATOMIC);
+
+               spin_unlock (&dev->lock);
+               value = usb_ep_queue (gadget->ep0, req, GFP_KERNEL);
                if (value < 0) {
                        DBG (dev, "ep_queue --> %d\n", value);
                        req->status = 0;
                }
+               return value;
        }
 
        /* device stalls when value < 0 */
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
index 4031b372008e..c1c1024a054c 100644
--- a/drivers/usb/host/ehci-tegra.c
+++ b/drivers/usb/host/ehci-tegra.c
@@ -89,7 +89,7 @@ static int tegra_reset_usb_controller(struct platform_device 
*pdev)
        if (!usb1_reset_attempted) {
                struct reset_control *usb1_reset;
 
-               usb1_reset = of_reset_control_get(phy_np, "usb");
+               usb1_reset = of_reset_control_get(phy_np, "utmi-pads");
                if (IS_ERR(usb1_reset)) {
                        dev_warn(&pdev->dev,
                                 "can't get utmi-pads reset from the PHY\n");
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 48672fac7ff3..c10972fcc8e4 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -37,6 +37,7 @@
 /* Device for a quirk */
 #define PCI_VENDOR_ID_FRESCO_LOGIC     0x1b73
 #define PCI_DEVICE_ID_FRESCO_LOGIC_PDK 0x1000
+#define PCI_DEVICE_ID_FRESCO_LOGIC_FL1009      0x1009
 #define PCI_DEVICE_ID_FRESCO_LOGIC_FL1400      0x1400
 
 #define PCI_VENDOR_ID_ETRON            0x1b6f
@@ -114,6 +115,10 @@ static void xhci_pci_quirks(struct device *dev, struct 
xhci_hcd *xhci)
                xhci->quirks |= XHCI_TRUST_TX_LENGTH;
        }
 
+       if (pdev->vendor == PCI_VENDOR_ID_FRESCO_LOGIC &&
+                       pdev->device == PCI_DEVICE_ID_FRESCO_LOGIC_FL1009)
+               xhci->quirks |= XHCI_BROKEN_STREAMS;
+
        if (pdev->vendor == PCI_VENDOR_ID_NEC)
                xhci->quirks |= XHCI_NEC_HOST;
 
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 474b5fa14900..d6e2b2751e50 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -194,6 +194,9 @@ static int xhci_plat_probe(struct platform_device *pdev)
                ret = clk_prepare_enable(clk);
                if (ret)
                        goto put_hcd;
+       } else if (PTR_ERR(clk) == -EPROBE_DEFER) {
+               ret = -EPROBE_DEFER;
+               goto put_hcd;
        }
 
        xhci = hcd_to_xhci(hcd);
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 99b4ff42f7a0..8b5b2aca277d 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -290,6 +290,14 @@ static int xhci_abort_cmd_ring(struct xhci_hcd *xhci)
 
        temp_64 = xhci_read_64(xhci, &xhci->op_regs->cmd_ring);
        xhci->cmd_ring_state = CMD_RING_STATE_ABORTED;
+
+       /*
+        * Writing the CMD_RING_ABORT bit should cause a cmd completion event,
+        * however on some host hw the CMD_RING_RUNNING bit is correctly cleared
+        * but the completion event in never sent. Use the cmd timeout timer to
+        * handle those cases. Use twice the time to cover the bit polling retry
+        */
+       mod_timer(&xhci->cmd_timer, jiffies + (2 * XHCI_CMD_DEFAULT_TIMEOUT));
        xhci_write_64(xhci, temp_64 | CMD_RING_ABORT,
                        &xhci->op_regs->cmd_ring);
 
@@ -314,6 +322,7 @@ static int xhci_abort_cmd_ring(struct xhci_hcd *xhci)
 
                xhci_err(xhci, "Stopped the command ring failed, "
                                "maybe the host is dead\n");
+               del_timer(&xhci->cmd_timer);
                xhci->xhc_state |= XHCI_STATE_DYING;
                xhci_quiesce(xhci);
                xhci_halt(xhci);
@@ -1253,22 +1262,21 @@ void xhci_handle_command_timeout(unsigned long data)
        int ret;
        unsigned long flags;
        u64 hw_ring_state;
-       struct xhci_command *cur_cmd = NULL;
+       bool second_timeout = false;
        xhci = (struct xhci_hcd *) data;
 
        /* mark this command to be cancelled */
        spin_lock_irqsave(&xhci->lock, flags);
        if (xhci->current_cmd) {
-               cur_cmd = xhci->current_cmd;
-               cur_cmd->status = COMP_CMD_ABORT;
+               if (xhci->current_cmd->status == COMP_CMD_ABORT)
+                       second_timeout = true;
+               xhci->current_cmd->status = COMP_CMD_ABORT;
        }
 
-
        /* Make sure command ring is running before aborting it */
        hw_ring_state = xhci_read_64(xhci, &xhci->op_regs->cmd_ring);
        if ((xhci->cmd_ring_state & CMD_RING_STATE_RUNNING) &&
            (hw_ring_state & CMD_RING_RUNNING))  {
-
                spin_unlock_irqrestore(&xhci->lock, flags);
                xhci_dbg(xhci, "Command timeout\n");
                ret = xhci_abort_cmd_ring(xhci);
@@ -1280,6 +1288,15 @@ void xhci_handle_command_timeout(unsigned long data)
                }
                return;
        }
+
+       /* command ring failed to restart, or host removed. Bail out */
+       if (second_timeout || xhci->xhc_state & XHCI_STATE_REMOVING) {
+               spin_unlock_irqrestore(&xhci->lock, flags);
+               xhci_dbg(xhci, "command timed out twice, ring start fail?\n");
+               xhci_cleanup_command_queue(xhci);
+               return;
+       }
+
        /* command timeout on stopped ring, ring can't be aborted */
        xhci_dbg(xhci, "Command timeout on stopped ring\n");
        xhci_handle_stopped_cmd_ring(xhci, xhci->current_cmd);
@@ -2728,7 +2745,8 @@ hw_died:
                writel(irq_pending, &xhci->ir_set->irq_pending);
        }
 
-       if (xhci->xhc_state & XHCI_STATE_DYING) {
+       if (xhci->xhc_state & XHCI_STATE_DYING ||
+           xhci->xhc_state & XHCI_STATE_HALTED) {
                xhci_dbg(xhci, "xHCI dying, ignoring interrupt. "
                                "Shouldn't IRQs be disabled?\n");
                /* Clear the event handler busy flag (RW1C);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 9e71c96ad74a..327280535848 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -685,20 +685,23 @@ void xhci_stop(struct usb_hcd *hcd)
        u32 temp;
        struct xhci_hcd *xhci = hcd_to_xhci(hcd);
 
-       if (xhci->xhc_state & XHCI_STATE_HALTED)
-               return;
-
        mutex_lock(&xhci->mutex);
-       spin_lock_irq(&xhci->lock);
-       xhci->xhc_state |= XHCI_STATE_HALTED;
-       xhci->cmd_ring_state = CMD_RING_STATE_STOPPED;
 
-       /* Make sure the xHC is halted for a USB3 roothub
-        * (xhci_stop() could be called as part of failed init).
-        */
-       xhci_halt(xhci);
-       xhci_reset(xhci);
-       spin_unlock_irq(&xhci->lock);
+       if (!(xhci->xhc_state & XHCI_STATE_HALTED)) {
+               spin_lock_irq(&xhci->lock);
+
+               xhci->xhc_state |= XHCI_STATE_HALTED;
+               xhci->cmd_ring_state = CMD_RING_STATE_STOPPED;
+               xhci_halt(xhci);
+               xhci_reset(xhci);
+
+               spin_unlock_irq(&xhci->lock);
+       }
+
+       if (!usb_hcd_is_primary_hcd(hcd)) {
+               mutex_unlock(&xhci->mutex);
+               return;
+       }
 
        xhci_cleanup_msix(xhci);
 
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 39fd95833eb8..c84f4d0816e5 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2429,7 +2429,8 @@ static void musb_restore_context(struct musb *musb)
        musb_writew(musb_base, MUSB_INTRTXE, musb->intrtxe);
        musb_writew(musb_base, MUSB_INTRRXE, musb->intrrxe);
        musb_writeb(musb_base, MUSB_INTRUSBE, musb->context.intrusbe);
-       musb_writeb(musb_base, MUSB_DEVCTL, musb->context.devctl);
+       if (musb->context.devctl & MUSB_DEVCTL_SESSION)
+               musb_writeb(musb_base, MUSB_DEVCTL, musb->context.devctl);
 
        for (i = 0; i < musb->config->num_eps; ++i) {
                struct musb_hw_ep       *hw_ep;
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 2f8ad7f1f482..8ff03228540a 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -594,14 +594,13 @@ musb_rx_reinit(struct musb *musb, struct musb_qh *qh, u8 
epnum)
                musb_writew(ep->regs, MUSB_TXCSR, 0);
 
        /* scrub all previous state, clearing toggle */
-       } else {
-               csr = musb_readw(ep->regs, MUSB_RXCSR);
-               if (csr & MUSB_RXCSR_RXPKTRDY)
-                       WARNING("rx%d, packet/%d ready?\n", ep->epnum,
-                               musb_readw(ep->regs, MUSB_RXCOUNT));
-
-               musb_h_flush_rxfifo(ep, MUSB_RXCSR_CLRDATATOG);
        }
+       csr = musb_readw(ep->regs, MUSB_RXCSR);
+       if (csr & MUSB_RXCSR_RXPKTRDY)
+               WARNING("rx%d, packet/%d ready?\n", ep->epnum,
+                       musb_readw(ep->regs, MUSB_RXCOUNT));
+
+       musb_h_flush_rxfifo(ep, MUSB_RXCSR_CLRDATATOG);
 
        /* target addr and (for multipoint) hub addr/port */
        if (musb->is_multipoint) {
@@ -995,9 +994,15 @@ static void musb_bulk_nak_timeout(struct musb *musb, 
struct musb_hw_ep *ep,
        if (is_in) {
                dma = is_dma_capable() ? ep->rx_channel : NULL;
 
-               /* clear nak timeout bit */
+               /*
+                * Need to stop the transaction by clearing REQPKT first
+                * then the NAK Timeout bit ref MUSBMHDRC USB 2.0 HIGH-SPEED
+                * DUAL-ROLE CONTROLLER Programmer's Guide, section 9.2.2
+                */
                rx_csr = musb_readw(epio, MUSB_RXCSR);
                rx_csr |= MUSB_RXCSR_H_WZC_BITS;
+               rx_csr &= ~MUSB_RXCSR_H_REQPKT;
+               musb_writew(epio, MUSB_RXCSR, rx_csr);
                rx_csr &= ~MUSB_RXCSR_DATAERROR;
                musb_writew(epio, MUSB_RXCSR, rx_csr);
 
@@ -1551,7 +1556,7 @@ static int musb_rx_dma_iso_cppi41(struct dma_controller 
*dma,
                                  struct urb *urb,
                                  size_t len)
 {
-       struct dma_channel *channel = hw_ep->tx_channel;
+       struct dma_channel *channel = hw_ep->rx_channel;
        void __iomem *epio = hw_ep->regs;
        dma_addr_t *buf;
        u32 length, res;
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 2eddbe538cda..5608af4a369d 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -2007,6 +2007,7 @@ static void mos7720_release(struct usb_serial *serial)
                                    urblist_entry)
                        usb_unlink_urb(urbtrack->urb);
                spin_unlock_irqrestore(&mos_parport->listlock, flags);
+               parport_del_port(mos_parport->pp);
 
                kref_put(&mos_parport->ref_count, destroy_mos_parport);
        }
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 16bc679dc2fc..ecc7d4b1dfa3 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -835,6 +835,7 @@ static int uas_slave_configure(struct scsi_device *sdev)
        if (devinfo->flags & US_FL_BROKEN_FUA)
                sdev->broken_fua = 1;
 
+       scsi_change_queue_depth(sdev, devinfo->qdepth - 2);
        return 0;
 }
 
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index f1d5c5acc8dd..ca80d5830bfd 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -229,6 +229,10 @@ static inline struct bpf_prog *bpf_prog_get(u32 ufd)
 static inline void bpf_prog_put(struct bpf_prog *prog)
 {
 }
+
+static inline void bpf_prog_put_rcu(struct bpf_prog *prog)
+{
+}
 #endif /* CONFIG_BPF_SYSCALL */
 
 /* verifier prototypes for helper functions called from eBPF programs */
diff --git a/include/linux/net.h b/include/linux/net.h
index f840d77c6c31..9d90efe6a708 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -252,7 +252,8 @@ do {                                                        
                \
        DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);                 \
        if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT) &&        \
            net_ratelimit())                                            \
-               __dynamic_pr_debug(&descriptor, fmt, ##__VA_ARGS__);    \
+               __dynamic_pr_debug(&descriptor, pr_fmt(fmt),            \
+                                  ##__VA_ARGS__);                      \
 } while (0)
 #elif defined(DEBUG)
 #define net_dbg_ratelimited(fmt, ...)                          \
diff --git a/include/linux/sock_diag.h b/include/linux/sock_diag.h
index 4018b48f2b3b..a0596ca0e80a 100644
--- a/include/linux/sock_diag.h
+++ b/include/linux/sock_diag.h
@@ -36,6 +36,9 @@ enum sknetlink_groups sock_diag_destroy_group(const struct 
sock *sk)
 {
        switch (sk->sk_family) {
        case AF_INET:
+               if (sk->sk_type == SOCK_RAW)
+                       return SKNLGRP_NONE;
+
                switch (sk->sk_protocol) {
                case IPPROTO_TCP:
                        return SKNLGRP_INET_TCP_DESTROY;
@@ -45,6 +48,9 @@ enum sknetlink_groups sock_diag_destroy_group(const struct 
sock *sk)
                        return SKNLGRP_NONE;
                }
        case AF_INET6:
+               if (sk->sk_type == SOCK_RAW)
+                       return SKNLGRP_NONE;
+
                switch (sk->sk_protocol) {
                case IPPROTO_TCP:
                        return SKNLGRP_INET6_TCP_DESTROY;
diff --git a/kernel/events/core.c b/kernel/events/core.c
index c0ded2416615..a69c90cea05d 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -7143,7 +7143,7 @@ static void perf_event_free_bpf_prog(struct perf_event 
*event)
        prog = event->tp_event->prog;
        if (prog) {
                event->tp_event->prog = NULL;
-               bpf_prog_put(prog);
+               bpf_prog_put_rcu(prog);
        }
 }
 
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index fbd0acf80b13..2fdebabbfacd 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -976,7 +976,8 @@ static int ax25_release(struct socket *sock)
                        release_sock(sk);
                        ax25_disconnect(ax25, 0);
                        lock_sock(sk);
-                       ax25_destroy_socket(ax25);
+                       if (!sock_flag(ax25->sk, SOCK_DESTROY))
+                               ax25_destroy_socket(ax25);
                        break;
 
                case AX25_STATE_3:
diff --git a/net/ax25/ax25_ds_timer.c b/net/ax25/ax25_ds_timer.c
index 951cd57bb07d..5237dff6941d 100644
--- a/net/ax25/ax25_ds_timer.c
+++ b/net/ax25/ax25_ds_timer.c
@@ -102,6 +102,7 @@ void ax25_ds_heartbeat_expiry(ax25_cb *ax25)
        switch (ax25->state) {
 
        case AX25_STATE_0:
+       case AX25_STATE_2:
                /* Magic here: If we listen() and a new link dies before it
                   is accepted() it isn't 'dead' so doesn't get removed. */
                if (!sk || sock_flag(sk, SOCK_DESTROY) ||
@@ -111,6 +112,7 @@ void ax25_ds_heartbeat_expiry(ax25_cb *ax25)
                                sock_hold(sk);
                                ax25_destroy_socket(ax25);
                                bh_unlock_sock(sk);
+                               /* Ungrab socket and destroy it */
                                sock_put(sk);
                        } else
                                ax25_destroy_socket(ax25);
@@ -213,7 +215,8 @@ void ax25_ds_t1_timeout(ax25_cb *ax25)
        case AX25_STATE_2:
                if (ax25->n2count == ax25->n2) {
                        ax25_send_control(ax25, AX25_DISC, AX25_POLLON, 
AX25_COMMAND);
-                       ax25_disconnect(ax25, ETIMEDOUT);
+                       if (!sock_flag(ax25->sk, SOCK_DESTROY))
+                               ax25_disconnect(ax25, ETIMEDOUT);
                        return;
                } else {
                        ax25->n2count++;
diff --git a/net/ax25/ax25_std_timer.c b/net/ax25/ax25_std_timer.c
index 004467c9e6e1..2c0d6ef66f9d 100644
--- a/net/ax25/ax25_std_timer.c
+++ b/net/ax25/ax25_std_timer.c
@@ -38,6 +38,7 @@ void ax25_std_heartbeat_expiry(ax25_cb *ax25)
 
        switch (ax25->state) {
        case AX25_STATE_0:
+       case AX25_STATE_2:
                /* Magic here: If we listen() and a new link dies before it
                   is accepted() it isn't 'dead' so doesn't get removed. */
                if (!sk || sock_flag(sk, SOCK_DESTROY) ||
@@ -47,6 +48,7 @@ void ax25_std_heartbeat_expiry(ax25_cb *ax25)
                                sock_hold(sk);
                                ax25_destroy_socket(ax25);
                                bh_unlock_sock(sk);
+                               /* Ungrab socket and destroy it */
                                sock_put(sk);
                        } else
                                ax25_destroy_socket(ax25);
@@ -144,7 +146,8 @@ void ax25_std_t1timer_expiry(ax25_cb *ax25)
        case AX25_STATE_2:
                if (ax25->n2count == ax25->n2) {
                        ax25_send_control(ax25, AX25_DISC, AX25_POLLON, 
AX25_COMMAND);
-                       ax25_disconnect(ax25, ETIMEDOUT);
+                       if (!sock_flag(ax25->sk, SOCK_DESTROY))
+                               ax25_disconnect(ax25, ETIMEDOUT);
                        return;
                } else {
                        ax25->n2count++;
diff --git a/net/ax25/ax25_subr.c b/net/ax25/ax25_subr.c
index 3b78e8473a01..655a7d4c96e1 100644
--- a/net/ax25/ax25_subr.c
+++ b/net/ax25/ax25_subr.c
@@ -264,7 +264,8 @@ void ax25_disconnect(ax25_cb *ax25, int reason)
 {
        ax25_clear_queues(ax25);
 
-       ax25_stop_heartbeat(ax25);
+       if (!sock_flag(ax25->sk, SOCK_DESTROY))
+               ax25_stop_heartbeat(ax25);
        ax25_stop_t1timer(ax25);
        ax25_stop_t2timer(ax25);
        ax25_stop_t3timer(ax25);
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 6852f3c7009c..43844144c9c4 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -464,8 +464,11 @@ static struct sk_buff *br_ip6_multicast_alloc_query(struct 
net_bridge *br,
        if (ipv6_dev_get_saddr(dev_net(br->dev), br->dev, &ip6h->daddr, 0,
                               &ip6h->saddr)) {
                kfree_skb(skb);
+               br->has_ipv6_addr = 0;
                return NULL;
        }
+
+       br->has_ipv6_addr = 1;
        ipv6_eth_mc_map(&ip6h->daddr, eth->h_dest);
 
        hopopt = (u8 *)(ip6h + 1);
@@ -1745,6 +1748,7 @@ void br_multicast_init(struct net_bridge *br)
        br->ip6_other_query.delay_time = 0;
        br->ip6_querier.port = NULL;
 #endif
+       br->has_ipv6_addr = 1;
 
        spin_lock_init(&br->multicast_lock);
        setup_timer(&br->multicast_router_timer,
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index d9da857182ef..f516c53bafb6 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -304,6 +304,7 @@ struct net_bridge
        u8                              multicast_disabled:1;
        u8                              multicast_querier:1;
        u8                              multicast_query_use_ifaddr:1;
+       u8                              has_ipv6_addr:1;
 
        u32                             hash_elasticity;
        u32                             hash_max;
@@ -577,10 +578,22 @@ static inline bool br_multicast_is_router(struct 
net_bridge *br)
 
 static inline bool
 __br_multicast_querier_exists(struct net_bridge *br,
-                             struct bridge_mcast_other_query *querier)
+                               struct bridge_mcast_other_query *querier,
+                               const bool is_ipv6)
 {
+       bool own_querier_enabled;
+
+       if (br->multicast_querier) {
+               if (is_ipv6 && !br->has_ipv6_addr)
+                       own_querier_enabled = false;
+               else
+                       own_querier_enabled = true;
+       } else {
+               own_querier_enabled = false;
+       }
+
        return time_is_before_jiffies(querier->delay_time) &&
-              (br->multicast_querier || timer_pending(&querier->timer));
+              (own_querier_enabled || timer_pending(&querier->timer));
 }
 
 static inline bool br_multicast_querier_exists(struct net_bridge *br,
@@ -588,10 +601,12 @@ static inline bool br_multicast_querier_exists(struct 
net_bridge *br,
 {
        switch (eth->h_proto) {
        case (htons(ETH_P_IP)):
-               return __br_multicast_querier_exists(br, &br->ip4_other_query);
+               return __br_multicast_querier_exists(br,
+                       &br->ip4_other_query, false);
 #if IS_ENABLED(CONFIG_IPV6)
        case (htons(ETH_P_IPV6)):
-               return __br_multicast_querier_exists(br, &br->ip6_other_query);
+               return __br_multicast_querier_exists(br,
+                       &br->ip6_other_query, true);
 #endif
        default:
                return false;
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index f18ae91b652e..769cece9b00b 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -2467,13 +2467,17 @@ int neigh_xmit(int index, struct net_device *dev,
                tbl = neigh_tables[index];
                if (!tbl)
                        goto out;
+               rcu_read_lock_bh();
                neigh = __neigh_lookup_noref(tbl, addr, dev);
                if (!neigh)
                        neigh = __neigh_create(tbl, addr, dev, false);
                err = PTR_ERR(neigh);
-               if (IS_ERR(neigh))
+               if (IS_ERR(neigh)) {
+                       rcu_read_unlock_bh();
                        goto out_kfree_skb;
+               }
                err = neigh->output(neigh, skb);
+               rcu_read_unlock_bh();
        }
        else if (index == NEIGH_LINK_TABLE) {
                err = dev_hard_header(skb, dev, ntohs(skb->protocol),
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 477937465a20..d95631d09248 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -23,6 +23,11 @@ struct esp_skb_cb {
        void *tmp;
 };
 
+struct esp_output_extra {
+       __be32 seqhi;
+       u32 esphoff;
+};
+
 #define ESP_SKB_CB(__skb) ((struct esp_skb_cb *)&((__skb)->cb[0]))
 
 static u32 esp4_get_mtu(struct xfrm_state *x, int mtu);
@@ -35,11 +40,11 @@ static u32 esp4_get_mtu(struct xfrm_state *x, int mtu);
  *
  * TODO: Use spare space in skb for this where possible.
  */
-static void *esp_alloc_tmp(struct crypto_aead *aead, int nfrags, int seqhilen)
+static void *esp_alloc_tmp(struct crypto_aead *aead, int nfrags, int extralen)
 {
        unsigned int len;
 
-       len = seqhilen;
+       len = extralen;
 
        len += crypto_aead_ivsize(aead);
 
@@ -57,15 +62,16 @@ static void *esp_alloc_tmp(struct crypto_aead *aead, int 
nfrags, int seqhilen)
        return kmalloc(len, GFP_ATOMIC);
 }
 
-static inline __be32 *esp_tmp_seqhi(void *tmp)
+static inline void *esp_tmp_extra(void *tmp)
 {
-       return PTR_ALIGN((__be32 *)tmp, __alignof__(__be32));
+       return PTR_ALIGN(tmp, __alignof__(struct esp_output_extra));
 }
-static inline u8 *esp_tmp_iv(struct crypto_aead *aead, void *tmp, int seqhilen)
+
+static inline u8 *esp_tmp_iv(struct crypto_aead *aead, void *tmp, int extralen)
 {
        return crypto_aead_ivsize(aead) ?
-              PTR_ALIGN((u8 *)tmp + seqhilen,
-                        crypto_aead_alignmask(aead) + 1) : tmp + seqhilen;
+              PTR_ALIGN((u8 *)tmp + extralen,
+                        crypto_aead_alignmask(aead) + 1) : tmp + extralen;
 }
 
 static inline struct aead_request *esp_tmp_req(struct crypto_aead *aead, u8 
*iv)
@@ -99,7 +105,7 @@ static void esp_restore_header(struct sk_buff *skb, unsigned 
int offset)
 {
        struct ip_esp_hdr *esph = (void *)(skb->data + offset);
        void *tmp = ESP_SKB_CB(skb)->tmp;
-       __be32 *seqhi = esp_tmp_seqhi(tmp);
+       __be32 *seqhi = esp_tmp_extra(tmp);
 
        esph->seq_no = esph->spi;
        esph->spi = *seqhi;
@@ -107,7 +113,11 @@ static void esp_restore_header(struct sk_buff *skb, 
unsigned int offset)
 
 static void esp_output_restore_header(struct sk_buff *skb)
 {
-       esp_restore_header(skb, skb_transport_offset(skb) - sizeof(__be32));
+       void *tmp = ESP_SKB_CB(skb)->tmp;
+       struct esp_output_extra *extra = esp_tmp_extra(tmp);
+
+       esp_restore_header(skb, skb_transport_offset(skb) + extra->esphoff -
+                               sizeof(__be32));
 }
 
 static void esp_output_done_esn(struct crypto_async_request *base, int err)
@@ -121,6 +131,7 @@ static void esp_output_done_esn(struct crypto_async_request 
*base, int err)
 static int esp_output(struct xfrm_state *x, struct sk_buff *skb)
 {
        int err;
+       struct esp_output_extra *extra;
        struct ip_esp_hdr *esph;
        struct crypto_aead *aead;
        struct aead_request *req;
@@ -137,8 +148,7 @@ static int esp_output(struct xfrm_state *x, struct sk_buff 
*skb)
        int tfclen;
        int nfrags;
        int assoclen;
-       int seqhilen;
-       __be32 *seqhi;
+       int extralen;
        __be64 seqno;
 
        /* skb is pure payload to encrypt */
@@ -166,21 +176,21 @@ static int esp_output(struct xfrm_state *x, struct 
sk_buff *skb)
        nfrags = err;
 
        assoclen = sizeof(*esph);
-       seqhilen = 0;
+       extralen = 0;
 
        if (x->props.flags & XFRM_STATE_ESN) {
-               seqhilen += sizeof(__be32);
-               assoclen += seqhilen;
+               extralen += sizeof(*extra);
+               assoclen += sizeof(__be32);
        }
 
-       tmp = esp_alloc_tmp(aead, nfrags, seqhilen);
+       tmp = esp_alloc_tmp(aead, nfrags, extralen);
        if (!tmp) {
                err = -ENOMEM;
                goto error;
        }
 
-       seqhi = esp_tmp_seqhi(tmp);
-       iv = esp_tmp_iv(aead, tmp, seqhilen);
+       extra = esp_tmp_extra(tmp);
+       iv = esp_tmp_iv(aead, tmp, extralen);
        req = esp_tmp_req(aead, iv);
        sg = esp_req_sg(aead, req);
 
@@ -247,8 +257,10 @@ static int esp_output(struct xfrm_state *x, struct sk_buff 
*skb)
         * encryption.
         */
        if ((x->props.flags & XFRM_STATE_ESN)) {
-               esph = (void *)(skb_transport_header(skb) - sizeof(__be32));
-               *seqhi = esph->spi;
+               extra->esphoff = (unsigned char *)esph -
+                                skb_transport_header(skb);
+               esph = (struct ip_esp_hdr *)((unsigned char *)esph - 4);
+               extra->seqhi = esph->spi;
                esph->seq_no = htonl(XFRM_SKB_CB(skb)->seq.output.hi);
                aead_request_set_callback(req, 0, esp_output_done_esn, skb);
        }
@@ -445,7 +457,7 @@ static int esp_input(struct xfrm_state *x, struct sk_buff 
*skb)
                goto out;
 
        ESP_SKB_CB(skb)->tmp = tmp;
-       seqhi = esp_tmp_seqhi(tmp);
+       seqhi = esp_tmp_extra(tmp);
        iv = esp_tmp_iv(aead, tmp, seqhilen);
        req = esp_tmp_req(aead, iv);
        sg = esp_req_sg(aead, req);
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 395e2814a46d..a42dd8021b6b 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -891,8 +891,10 @@ static struct mfc_cache *ipmr_cache_alloc(void)
 {
        struct mfc_cache *c = kmem_cache_zalloc(mrt_cachep, GFP_KERNEL);
 
-       if (c)
+       if (c) {
+               c->mfc_un.res.last_assert = jiffies - MFC_ASSERT_THRESH - 1;
                c->mfc_un.res.minvif = MAXVIFS;
+       }
        return c;
 }
 
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index a10e77103c88..e207cb2468da 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1074,6 +1074,7 @@ static struct mfc6_cache *ip6mr_cache_alloc(void)
        struct mfc6_cache *c = kmem_cache_zalloc(mrt_cachep, GFP_KERNEL);
        if (!c)
                return NULL;
+       c->mfc_un.res.last_assert = jiffies - MFC_ASSERT_THRESH - 1;
        c->mfc_un.res.minvif = MAXMIFS;
        return c;
 }
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 83384308d032..6c53e4eb0f09 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -560,13 +560,13 @@ static int ipip6_err(struct sk_buff *skb, u32 info)
 
        if (type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED) {
                ipv4_update_pmtu(skb, dev_net(skb->dev), info,
-                                t->parms.link, 0, IPPROTO_IPV6, 0);
+                                t->parms.link, 0, iph->protocol, 0);
                err = 0;
                goto out;
        }
        if (type == ICMP_REDIRECT) {
                ipv4_redirect(skb, dev_net(skb->dev), t->parms.link, 0,
-                             IPPROTO_IPV6, 0);
+                             iph->protocol, 0);
                err = 0;
                goto out;
        }
diff --git a/net/kcm/kcmproc.c b/net/kcm/kcmproc.c
index 738008726cc6..fda7f4715c58 100644
--- a/net/kcm/kcmproc.c
+++ b/net/kcm/kcmproc.c
@@ -241,6 +241,7 @@ static const struct file_operations kcm_seq_fops = {
        .open           = kcm_seq_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
+       .release        = seq_release_net,
 };
 
 static struct kcm_seq_muxinfo kcm_seq_muxinfo = {
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 8b5270008a6e..606323339e1f 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -121,10 +121,13 @@ static int __tcf_ipt_init(struct tc_action_net *tn, 
struct nlattr *nla,
        }
 
        td = (struct xt_entry_target *)nla_data(tb[TCA_IPT_TARG]);
-       if (nla_len(tb[TCA_IPT_TARG]) < td->u.target_size)
+       if (nla_len(tb[TCA_IPT_TARG]) < td->u.target_size) {
+               if (exists)
+                       tcf_hash_release(a, bind);
                return -EINVAL;
+       }
 
-       if (!tcf_hash_check(tn, index, a, bind)) {
+       if (!exists) {
                ret = tcf_hash_create(tn, index, est, a, sizeof(*ipt), bind,
                                      false);
                if (ret)
diff --git a/net/sched/sch_fifo.c b/net/sched/sch_fifo.c
index 2177eac0a61e..2e4bd2c0a50c 100644
--- a/net/sched/sch_fifo.c
+++ b/net/sched/sch_fifo.c
@@ -37,14 +37,18 @@ static int pfifo_enqueue(struct sk_buff *skb, struct Qdisc 
*sch)
 
 static int pfifo_tail_enqueue(struct sk_buff *skb, struct Qdisc *sch)
 {
+       unsigned int prev_backlog;
+
        if (likely(skb_queue_len(&sch->q) < sch->limit))
                return qdisc_enqueue_tail(skb, sch);
 
+       prev_backlog = sch->qstats.backlog;
        /* queue full, remove one skb to fulfill the limit */
        __qdisc_queue_drop_head(sch, &sch->q);
        qdisc_qstats_drop(sch);
        qdisc_enqueue_tail(skb, sch);
 
+       qdisc_tree_reduce_backlog(sch, 0, prev_backlog - sch->qstats.backlog);
        return NET_XMIT_CN;
 }
 
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 4befe97a9034..b7c29d5b6f04 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -650,14 +650,14 @@ deliver:
 #endif
 
                        if (q->qdisc) {
+                               unsigned int pkt_len = qdisc_pkt_len(skb);
                                int err = qdisc_enqueue(skb, q->qdisc);
 
-                               if (unlikely(err != NET_XMIT_SUCCESS)) {
-                                       if (net_xmit_drop_count(err)) {
-                                               qdisc_qstats_drop(sch);
-                                               qdisc_tree_reduce_backlog(sch, 
1,
-                                                                         
qdisc_pkt_len(skb));
-                                       }
+                               if (err != NET_XMIT_SUCCESS &&
+                                   net_xmit_drop_count(err)) {
+                                       qdisc_qstats_drop(sch);
+                                       qdisc_tree_reduce_backlog(sch, 1,
+                                                                 pkt_len);
                                }
                                goto tfifo_dequeue;
                        }

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