diff --git a/Makefile b/Makefile
index c42ada4e8846..c493d3ae046f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 4
-SUBLEVEL = 246
+SUBLEVEL = 247
 EXTRAVERSION =
 NAME = Blurry Fish Butt
 
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 2c9a2992863b..ffc3bc8111b8 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -707,11 +707,13 @@ spectre_v2_user_select_mitigation(enum 
spectre_v2_mitigation_cmd v2_cmd)
        if (boot_cpu_has(X86_FEATURE_IBPB)) {
                setup_force_cpu_cap(X86_FEATURE_USE_IBPB);
 
+               spectre_v2_user_ibpb = mode;
                switch (cmd) {
                case SPECTRE_V2_USER_CMD_FORCE:
                case SPECTRE_V2_USER_CMD_PRCTL_IBPB:
                case SPECTRE_V2_USER_CMD_SECCOMP_IBPB:
                        static_branch_enable(&switch_mm_always_ibpb);
+                       spectre_v2_user_ibpb = SPECTRE_V2_USER_STRICT;
                        break;
                case SPECTRE_V2_USER_CMD_PRCTL:
                case SPECTRE_V2_USER_CMD_AUTO:
@@ -725,8 +727,6 @@ spectre_v2_user_select_mitigation(enum 
spectre_v2_mitigation_cmd v2_cmd)
                pr_info("mitigation: Enabling %s Indirect Branch Prediction 
Barrier\n",
                        static_key_enabled(&switch_mm_always_ibpb) ?
                        "always-on" : "conditional");
-
-               spectre_v2_user_ibpb = mode;
        }
 
        /*
diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
index 85872a08994a..e9fc0f7df0da 100644
--- a/arch/x86/xen/spinlock.c
+++ b/arch/x86/xen/spinlock.c
@@ -301,10 +301,20 @@ void xen_init_lock_cpu(int cpu)
 
 void xen_uninit_lock_cpu(int cpu)
 {
+       int irq;
+
        if (!xen_pvspin)
                return;
 
-       unbind_from_irqhandler(per_cpu(lock_kicker_irq, cpu), NULL);
+       /*
+        * When booting the kernel with 'mitigations=auto,nosmt', the secondary
+        * CPUs are not activated, and lock_kicker_irq is not initialized.
+        */
+       irq = per_cpu(lock_kicker_irq, cpu);
+       if (irq == -1)
+               return;
+
+       unbind_from_irqhandler(irq, NULL);
        per_cpu(lock_kicker_irq, cpu) = -1;
        kfree(per_cpu(irq_name, cpu));
        per_cpu(irq_name, cpu) = NULL;
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 9aa57b37381a..7f66ae1945b2 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -2634,7 +2634,7 @@ pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t 
dst,
         * If burst size is smaller than bus width then make sure we only
         * transfer one at a time to avoid a burst stradling an MFIFO entry.
         */
-       if (desc->rqcfg.brst_size * 8 < pl330->pcfg.data_bus_width)
+       if (burst * 8 < pl330->pcfg.data_bus_width)
                desc->rqcfg.brst_len = 1;
 
        desc->bytes_requested = len;
diff --git a/drivers/hid/hid-cypress.c b/drivers/hid/hid-cypress.c
index 1689568b597d..12c5d7c96527 100644
--- a/drivers/hid/hid-cypress.c
+++ b/drivers/hid/hid-cypress.c
@@ -26,19 +26,17 @@
 #define CP_2WHEEL_MOUSE_HACK           0x02
 #define CP_2WHEEL_MOUSE_HACK_ON                0x04
 
+#define VA_INVAL_LOGICAL_BOUNDARY      0x08
+
 /*
  * Some USB barcode readers from cypress have usage min and usage max in
  * the wrong order
  */
-static __u8 *cp_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+static __u8 *cp_rdesc_fixup(struct hid_device *hdev, __u8 *rdesc,
                unsigned int *rsize)
 {
-       unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
        unsigned int i;
 
-       if (!(quirks & CP_RDESC_SWAPPED_MIN_MAX))
-               return rdesc;
-
        if (*rsize < 4)
                return rdesc;
 
@@ -51,6 +49,40 @@ static __u8 *cp_report_fixup(struct hid_device *hdev, __u8 
*rdesc,
        return rdesc;
 }
 
+static __u8 *va_logical_boundary_fixup(struct hid_device *hdev, __u8 *rdesc,
+               unsigned int *rsize)
+{
+       /*
+        * Varmilo VA104M (with VID Cypress and device ID 07B1) incorrectly
+        * reports Logical Minimum of its Consumer Control device as 572
+        * (0x02 0x3c). Fix this by setting its Logical Minimum to zero.
+        */
+       if (*rsize == 25 &&
+                       rdesc[0] == 0x05 && rdesc[1] == 0x0c &&
+                       rdesc[2] == 0x09 && rdesc[3] == 0x01 &&
+                       rdesc[6] == 0x19 && rdesc[7] == 0x00 &&
+                       rdesc[11] == 0x16 && rdesc[12] == 0x3c && rdesc[13] == 
0x02) {
+               hid_info(hdev,
+                        "fixing up varmilo VA104M consumer control report 
descriptor\n");
+               rdesc[12] = 0x00;
+               rdesc[13] = 0x00;
+       }
+       return rdesc;
+}
+
+static __u8 *cp_report_fixup(struct hid_device *hdev, __u8 *rdesc,
+               unsigned int *rsize)
+{
+       unsigned long quirks = (unsigned long)hid_get_drvdata(hdev);
+
+       if (quirks & CP_RDESC_SWAPPED_MIN_MAX)
+               rdesc = cp_rdesc_fixup(hdev, rdesc, rsize);
+       if (quirks & VA_INVAL_LOGICAL_BOUNDARY)
+               rdesc = va_logical_boundary_fixup(hdev, rdesc, rsize);
+
+       return rdesc;
+}
+
 static int cp_input_mapped(struct hid_device *hdev, struct hid_input *hi,
                struct hid_field *field, struct hid_usage *usage,
                unsigned long **bit, int *max)
@@ -131,6 +163,8 @@ static const struct hid_device_id cp_devices[] = {
                .driver_data = CP_RDESC_SWAPPED_MIN_MAX },
        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE),
                .driver_data = CP_2WHEEL_MOUSE_HACK },
+       { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, 
USB_DEVICE_ID_CYPRESS_VARMILO_VA104M_07B1),
+               .driver_data = VA_INVAL_LOGICAL_BOUNDARY },
        { }
 };
 MODULE_DEVICE_TABLE(hid, cp_devices);
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 33d2b5948d7f..773452c6edfa 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -279,6 +279,8 @@
 #define USB_DEVICE_ID_CYPRESS_BARCODE_4        0xed81
 #define USB_DEVICE_ID_CYPRESS_TRUETOUCH        0xc001
 
+#define USB_DEVICE_ID_CYPRESS_VARMILO_VA104M_07B1   0X07b1
+
 #define USB_VENDOR_ID_DATA_MODUL       0x7374
 #define USB_VENDOR_ID_DATA_MODUL_EASYMAXTOUCH  0x1201
 
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index 8efaa88329aa..83e45d5801a9 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -473,7 +473,8 @@ static int sensor_hub_raw_event(struct hid_device *hdev,
                return 1;
 
        ptr = raw_data;
-       ptr++; /* Skip report id */
+       if (report->id)
+               ptr++; /* Skip report id */
 
        spin_lock_irqsave(&pdata->lock, flags);
 
diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c 
b/drivers/infiniband/hw/mthca/mthca_cq.c
index 40ba83338155..59e1f6ea2ede 100644
--- a/drivers/infiniband/hw/mthca/mthca_cq.c
+++ b/drivers/infiniband/hw/mthca/mthca_cq.c
@@ -811,8 +811,10 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,
        }
 
        mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
-       if (IS_ERR(mailbox))
+       if (IS_ERR(mailbox)) {
+               err = PTR_ERR(mailbox);
                goto err_out_arm;
+       }
 
        cq_context = mailbox->buf;
 
@@ -854,9 +856,9 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,
        }
 
        spin_lock_irq(&dev->cq_table.lock);
-       if (mthca_array_set(&dev->cq_table.cq,
-                           cq->cqn & (dev->limits.num_cqs - 1),
-                           cq)) {
+       err = mthca_array_set(&dev->cq_table.cq,
+                             cq->cqn & (dev->limits.num_cqs - 1), cq);
+       if (err) {
                spin_unlock_irq(&dev->cq_table.lock);
                goto err_out_free_mr;
        }
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index c84c685056b9..6b648339733f 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -125,6 +125,7 @@ module_param_named(unmask_kbd_data, i8042_unmask_kbd_data, 
bool, 0600);
 MODULE_PARM_DESC(unmask_kbd_data, "Unconditional enable (may reveal sensitive 
data) of normally sanitize-filtered kbd data traffic debug log [pre-condition: 
i8042.debug=1 enabled]");
 #endif
 
+static bool i8042_present;
 static bool i8042_bypass_aux_irq_test;
 static char i8042_kbd_firmware_id[128];
 static char i8042_aux_firmware_id[128];
@@ -343,6 +344,9 @@ int i8042_command(unsigned char *param, int command)
        unsigned long flags;
        int retval;
 
+       if (!i8042_present)
+               return -1;
+
        spin_lock_irqsave(&i8042_lock, flags);
        retval = __i8042_command(param, command);
        spin_unlock_irqrestore(&i8042_lock, flags);
@@ -1597,12 +1601,15 @@ static int __init i8042_init(void)
 
        err = i8042_platform_init();
        if (err)
-               return err;
+               return (err == -ENODEV) ? 0 : err;
 
        err = i8042_controller_check();
        if (err)
                goto err_platform_exit;
 
+       /* Set this before creating the dev to allow i8042_command to work 
right away */
+       i8042_present = true;
+
        pdev = platform_create_bundle(&i8042_driver, i8042_probe, NULL, 0, 
NULL, 0);
        if (IS_ERR(pdev)) {
                err = PTR_ERR(pdev);
@@ -1621,6 +1628,9 @@ static int __init i8042_init(void)
 
 static void __exit i8042_exit(void)
 {
+       if (!i8042_present)
+               return;
+
        platform_device_unregister(i8042_platform_device);
        platform_driver_unregister(&i8042_driver);
        i8042_platform_exit();
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c 
b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 2da1c2294645..250ecbcca019 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -5198,7 +5198,8 @@ static int bnxt_init_board(struct pci_dev *pdev, struct 
net_device *dev)
        if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) != 0 &&
            dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
                dev_err(&pdev->dev, "System does not support DMA, aborting\n");
-               goto init_err_disable;
+               rc = -EIO;
+               goto init_err_release;
        }
 
        pci_set_master(pdev);
diff --git a/drivers/nfc/s3fwrn5/i2c.c b/drivers/nfc/s3fwrn5/i2c.c
index c61d8a308da4..779f7a76ecd3 100644
--- a/drivers/nfc/s3fwrn5/i2c.c
+++ b/drivers/nfc/s3fwrn5/i2c.c
@@ -37,8 +37,8 @@ struct s3fwrn5_i2c_phy {
        struct i2c_client *i2c_dev;
        struct nci_dev *ndev;
 
-       unsigned int gpio_en;
-       unsigned int gpio_fw_wake;
+       int gpio_en;
+       int gpio_fw_wake;
 
        struct mutex mutex;
 
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index b4fbcf4cade8..36e415487fe5 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -570,8 +570,8 @@ static void iscsi_complete_task(struct iscsi_task *task, 
int state)
        if (conn->task == task)
                conn->task = NULL;
 
-       if (conn->ping_task == task)
-               conn->ping_task = NULL;
+       if (READ_ONCE(conn->ping_task) == task)
+               WRITE_ONCE(conn->ping_task, NULL);
 
        /* release get from queueing */
        __iscsi_put_task(task);
@@ -780,6 +780,9 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct 
iscsi_hdr *hdr,
                                                   task->conn->session->age);
        }
 
+       if (unlikely(READ_ONCE(conn->ping_task) == INVALID_SCSI_TASK))
+               WRITE_ONCE(conn->ping_task, task);
+
        if (!ihost->workq) {
                if (iscsi_prep_mgmt_task(conn, task))
                        goto free_task;
@@ -987,8 +990,11 @@ static int iscsi_send_nopout(struct iscsi_conn *conn, 
struct iscsi_nopin *rhdr)
         struct iscsi_nopout hdr;
        struct iscsi_task *task;
 
-       if (!rhdr && conn->ping_task)
-               return -EINVAL;
+       if (!rhdr) {
+               if (READ_ONCE(conn->ping_task))
+                       return -EINVAL;
+               WRITE_ONCE(conn->ping_task, INVALID_SCSI_TASK);
+       }
 
        memset(&hdr, 0, sizeof(struct iscsi_nopout));
        hdr.opcode = ISCSI_OP_NOOP_OUT | ISCSI_OP_IMMEDIATE;
@@ -1003,11 +1009,12 @@ static int iscsi_send_nopout(struct iscsi_conn *conn, 
struct iscsi_nopin *rhdr)
 
        task = __iscsi_conn_send_pdu(conn, (struct iscsi_hdr *)&hdr, NULL, 0);
        if (!task) {
+               if (!rhdr)
+                       WRITE_ONCE(conn->ping_task, NULL);
                iscsi_conn_printk(KERN_ERR, conn, "Could not send nopout\n");
                return -EIO;
        } else if (!rhdr) {
                /* only track our nops */
-               conn->ping_task = task;
                conn->last_ping = jiffies;
        }
 
@@ -1020,7 +1027,7 @@ static int iscsi_nop_out_rsp(struct iscsi_task *task,
        struct iscsi_conn *conn = task->conn;
        int rc = 0;
 
-       if (conn->ping_task != task) {
+       if (READ_ONCE(conn->ping_task) != task) {
                /*
                 * If this is not in response to one of our
                 * nops then it must be from userspace.
@@ -1960,7 +1967,7 @@ static void iscsi_start_tx(struct iscsi_conn *conn)
  */
 static int iscsi_has_ping_timed_out(struct iscsi_conn *conn)
 {
-       if (conn->ping_task &&
+       if (READ_ONCE(conn->ping_task) &&
            time_before_eq(conn->last_recv + (conn->recv_timeout * HZ) +
                           (conn->ping_timeout * HZ), jiffies))
                return 1;
@@ -2095,7 +2102,7 @@ static enum blk_eh_timer_return 
iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
         * Checking the transport already or nop from a cmd timeout still
         * running
         */
-       if (conn->ping_task) {
+       if (READ_ONCE(conn->ping_task)) {
                task->have_checked_conn = true;
                rc = BLK_EH_RESET_TIMER;
                goto done;
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index d7a0a64f6453..e37f6db0dd15 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -5387,11 +5387,7 @@ int ufshcd_shutdown(struct ufs_hba *hba)
        if (ufshcd_is_ufs_dev_poweroff(hba) && ufshcd_is_link_off(hba))
                goto out;
 
-       if (pm_runtime_suspended(hba->dev)) {
-               ret = ufshcd_runtime_resume(hba);
-               if (ret)
-                       goto out;
-       }
+       pm_runtime_get_sync(hba->dev);
 
        ret = ufshcd_suspend(hba, UFS_SHUTDOWN_PM);
 out:
diff --git a/drivers/target/iscsi/iscsi_target.c 
b/drivers/target/iscsi/iscsi_target.c
index cbb4414edd71..c48aca1360c8 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -493,8 +493,7 @@ static void iscsit_aborted_task(struct iscsi_conn *conn, 
struct iscsi_cmd *cmd)
        bool scsi_cmd = (cmd->iscsi_opcode == ISCSI_OP_SCSI_CMD);
 
        spin_lock_bh(&conn->cmd_lock);
-       if (!list_empty(&cmd->i_conn_node) &&
-           !(cmd->se_cmd.transport_state & CMD_T_FABRIC_STOP))
+       if (!list_empty(&cmd->i_conn_node))
                list_del_init(&cmd->i_conn_node);
        spin_unlock_bh(&conn->cmd_lock);
 
@@ -4228,12 +4227,22 @@ static void iscsit_release_commands_from_conn(struct 
iscsi_conn *conn)
        spin_lock_bh(&conn->cmd_lock);
        list_splice_init(&conn->conn_cmd_list, &tmp_list);
 
-       list_for_each_entry(cmd, &tmp_list, i_conn_node) {
+       list_for_each_entry_safe(cmd, cmd_tmp, &tmp_list, i_conn_node) {
                struct se_cmd *se_cmd = &cmd->se_cmd;
 
                if (se_cmd->se_tfo != NULL) {
                        spin_lock_irq(&se_cmd->t_state_lock);
-                       se_cmd->transport_state |= CMD_T_FABRIC_STOP;
+                       if (se_cmd->transport_state & CMD_T_ABORTED) {
+                               /*
+                                * LIO's abort path owns the cleanup for this,
+                                * so put it back on the list and let
+                                * aborted_task handle it.
+                                */
+                               list_move_tail(&cmd->i_conn_node,
+                                              &conn->conn_cmd_list);
+                       } else {
+                               se_cmd->transport_state |= CMD_T_FABRIC_STOP;
+                       }
                        spin_unlock_irq(&se_cmd->t_state_lock);
                }
        }
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 570a76d91250..eca8d04cfb3e 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -222,6 +222,7 @@ static int usb_parse_endpoint(struct device *ddev, int 
cfgno,
                struct usb_host_interface *ifp, int num_ep,
                unsigned char *buffer, int size)
 {
+       struct usb_device *udev = to_usb_device(ddev);
        unsigned char *buffer0 = buffer;
        struct usb_endpoint_descriptor *d;
        struct usb_host_endpoint *endpoint;
@@ -263,6 +264,16 @@ static int usb_parse_endpoint(struct device *ddev, int 
cfgno,
                goto skip_to_next_endpoint_or_interface_descriptor;
        }
 
+       /* Ignore blacklisted endpoints */
+       if (udev->quirks & USB_QUIRK_ENDPOINT_BLACKLIST) {
+               if (usb_endpoint_is_blacklisted(udev, ifp, d)) {
+                       dev_warn(ddev, "config %d interface %d altsetting %d 
has a blacklisted endpoint with address 0x%X, skipping\n",
+                                       cfgno, inum, asnum,
+                                       d->bEndpointAddress);
+                       goto skip_to_next_endpoint_or_interface_descriptor;
+               }
+       }
+
        endpoint = &ifp->endpoint[ifp->desc.bNumEndpoints];
        ++ifp->desc.bNumEndpoints;
 
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 7559d96695da..4c1679cc5742 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -369,11 +369,11 @@ static void snoop_urb(struct usb_device *udev,
 
        if (userurb) {          /* Async */
                if (when == SUBMIT)
-                       dev_info(&udev->dev, "userurb %pK, ep%d %s-%s, "
+                       dev_info(&udev->dev, "userurb %px, ep%d %s-%s, "
                                        "length %u\n",
                                        userurb, ep, t, d, length);
                else
-                       dev_info(&udev->dev, "userurb %pK, ep%d %s-%s, "
+                       dev_info(&udev->dev, "userurb %px, ep%d %s-%s, "
                                        "actual_length %u status %d\n",
                                        userurb, ep, t, d, length,
                                        timeout_or_status);
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index ca74b67c4450..34d8cece6dd3 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -195,6 +195,10 @@ static const struct usb_device_id usb_quirk_list[] = {
        /* Guillemot Webcam Hercules Dualpix Exchange*/
        { USB_DEVICE(0x06f8, 0x3005), .driver_info = USB_QUIRK_RESET_RESUME },
 
+       /* Guillemot Hercules DJ Console audio card (BZ 208357) */
+       { USB_DEVICE(0x06f8, 0xb000), .driver_info =
+                       USB_QUIRK_ENDPOINT_BLACKLIST },
+
        /* Midiman M-Audio Keystation 88es */
        { USB_DEVICE(0x0763, 0x0192), .driver_info = USB_QUIRK_RESET_RESUME },
 
@@ -344,6 +348,40 @@ static const struct usb_device_id 
usb_amd_resume_quirk_list[] = {
        { }  /* terminating entry must be last */
 };
 
+/*
+ * Entries for blacklisted endpoints that should be ignored when parsing
+ * configuration descriptors.
+ *
+ * Matched for devices with USB_QUIRK_ENDPOINT_BLACKLIST.
+ */
+static const struct usb_device_id usb_endpoint_blacklist[] = {
+       { USB_DEVICE_INTERFACE_NUMBER(0x06f8, 0xb000, 5), .driver_info = 0x01 },
+       { USB_DEVICE_INTERFACE_NUMBER(0x06f8, 0xb000, 5), .driver_info = 0x81 },
+       { }
+};
+
+bool usb_endpoint_is_blacklisted(struct usb_device *udev,
+               struct usb_host_interface *intf,
+               struct usb_endpoint_descriptor *epd)
+{
+       const struct usb_device_id *id;
+       unsigned int address;
+
+       for (id = usb_endpoint_blacklist; id->match_flags; ++id) {
+               if (!usb_match_device(udev, id))
+                       continue;
+
+               if (!usb_match_one_id_intf(udev, intf, id))
+                       continue;
+
+               address = id->driver_info;
+               if (address == epd->bEndpointAddress)
+                       return true;
+       }
+
+       return false;
+}
+
 static bool usb_match_any_interface(struct usb_device *udev,
                                    const struct usb_device_id *id)
 {
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 6b2f11544283..462a00c749b8 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -31,6 +31,9 @@ extern void usb_deauthorize_interface(struct usb_interface *);
 extern void usb_authorize_interface(struct usb_interface *);
 extern void usb_detect_quirks(struct usb_device *udev);
 extern void usb_detect_interface_quirks(struct usb_device *udev);
+extern bool usb_endpoint_is_blacklisted(struct usb_device *udev,
+               struct usb_host_interface *intf,
+               struct usb_endpoint_descriptor *epd);
 extern int usb_remove_device(struct usb_device *udev);
 
 extern int usb_get_device_descriptor(struct usb_device *dev,
diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c
index e2451bdb4525..299412abb165 100644
--- a/drivers/video/fbdev/hyperv_fb.c
+++ b/drivers/video/fbdev/hyperv_fb.c
@@ -712,7 +712,12 @@ static int hvfb_getmem(struct hv_device *hdev, struct 
fb_info *info)
                goto err1;
        }
 
-       fb_virt = ioremap(par->mem->start, screen_fb_size);
+       /*
+        * Map the VRAM cacheable for performance. This is also required for
+        * VM Connect to display properly for ARM64 Linux VM, as the host also
+        * maps the VRAM cacheable.
+        */
+       fb_virt = ioremap_cache(par->mem->start, screen_fb_size);
        if (!fb_virt)
                goto err2;
 
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index b1125778b908..9e1f9910bdf2 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -5370,11 +5370,13 @@ no_delete:
 }
 
 /*
- * this returns the key found in the dir entry in the location pointer.
+ * Return the key found in the dir entry in the location pointer, fill @type
+ * with BTRFS_FT_*, and return 0.
+ *
  * If no dir entries were found, location->objectid is 0.
  */
 static int btrfs_inode_by_name(struct inode *dir, struct dentry *dentry,
-                              struct btrfs_key *location)
+                              struct btrfs_key *location, u8 *type)
 {
        const char *name = dentry->d_name.name;
        int namelen = dentry->d_name.len;
@@ -5396,6 +5398,8 @@ static int btrfs_inode_by_name(struct inode *dir, struct 
dentry *dentry,
                goto out_err;
 
        btrfs_dir_item_key_to_cpu(path->nodes[0], di, location);
+       if (!ret)
+               *type = btrfs_dir_type(path->nodes[0], di);
 out:
        btrfs_free_path(path);
        return ret;
@@ -5681,19 +5685,25 @@ static struct inode *new_simple_dir(struct super_block 
*s,
        return inode;
 }
 
+static inline u8 btrfs_inode_type(struct inode *inode)
+{
+       return btrfs_type_by_mode[(inode->i_mode & S_IFMT) >> S_SHIFT];
+}
+
 struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
 {
        struct inode *inode;
        struct btrfs_root *root = BTRFS_I(dir)->root;
        struct btrfs_root *sub_root = root;
        struct btrfs_key location;
+       u8 di_type = 0;
        int index;
        int ret = 0;
 
        if (dentry->d_name.len > BTRFS_NAME_LEN)
                return ERR_PTR(-ENAMETOOLONG);
 
-       ret = btrfs_inode_by_name(dir, dentry, &location);
+       ret = btrfs_inode_by_name(dir, dentry, &location, &di_type);
        if (ret < 0)
                return ERR_PTR(ret);
 
@@ -5702,6 +5712,18 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, 
struct dentry *dentry)
 
        if (location.type == BTRFS_INODE_ITEM_KEY) {
                inode = btrfs_iget(dir->i_sb, &location, root, NULL);
+               if (IS_ERR(inode))
+                       return inode;
+
+               /* Do extra check against inode mode with di_type */
+               if (btrfs_inode_type(inode) != di_type) {
+                       btrfs_crit(root->fs_info,
+"inode mode mismatch with dir: inode mode=0%o btrfs type=%u dir type=%u",
+                                 inode->i_mode, btrfs_inode_type(inode),
+                                 di_type);
+                       iput(inode);
+                       return ERR_PTR(-EUCLEAN);
+               }
                return inode;
        }
 
@@ -6315,11 +6337,6 @@ fail:
        return ERR_PTR(ret);
 }
 
-static inline u8 btrfs_inode_type(struct inode *inode)
-{
-       return btrfs_type_by_mode[(inode->i_mode & S_IFMT) >> S_SHIFT];
-}
-
 /*
  * utility function to add 'inode' into 'parent_inode' with
  * a give name and a given sequence number.
@@ -6904,6 +6921,14 @@ again:
        extent_start = found_key.offset;
        if (found_type == BTRFS_FILE_EXTENT_REG ||
            found_type == BTRFS_FILE_EXTENT_PREALLOC) {
+               /* Only regular file could have regular/prealloc extent */
+               if (!S_ISREG(inode->i_mode)) {
+                       ret = -EUCLEAN;
+                       btrfs_crit(root->fs_info,
+               "regular/prealloc extent found for non-regular inode %llu",
+                                  btrfs_ino(inode));
+                       goto out;
+               }
                extent_end = extent_start +
                       btrfs_file_extent_num_bytes(leaf, item);
        } else if (found_type == BTRFS_FILE_EXTENT_INLINE) {
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 734babb6626c..18e667fbd054 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -462,6 +462,7 @@ next2:
                        break;
        }
 out:
+       btrfs_free_path(path);
        fs_info->qgroup_flags |= flags;
        if (!(fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_ON)) {
                fs_info->quota_enabled = 0;
@@ -470,7 +471,6 @@ out:
                   ret >= 0) {
                ret = qgroup_rescan_init(fs_info, rescan_progress, 0);
        }
-       btrfs_free_path(path);
 
        if (ret < 0) {
                ulist_free(fs_info->qgroup_ulist);
diff --git a/fs/btrfs/tests/inode-tests.c b/fs/btrfs/tests/inode-tests.c
index 054fc0d97131..5ff676df698f 100644
--- a/fs/btrfs/tests/inode-tests.c
+++ b/fs/btrfs/tests/inode-tests.c
@@ -235,6 +235,7 @@ static noinline int test_btrfs_get_extent(void)
                return ret;
        }
 
+       inode->i_mode = S_IFREG;
        BTRFS_I(inode)->location.type = BTRFS_INODE_ITEM_KEY;
        BTRFS_I(inode)->location.objectid = BTRFS_FIRST_FREE_OBJECTID;
        BTRFS_I(inode)->location.offset = 0;
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 2d10b818399b..cd1e9411f926 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -6262,6 +6262,13 @@ static int btrfs_check_chunk_valid(struct btrfs_root 
*root,
                return -EIO;
        }
 
+       if (!is_power_of_2(type & BTRFS_BLOCK_GROUP_PROFILE_MASK) &&
+           (type & BTRFS_BLOCK_GROUP_PROFILE_MASK) != 0) {
+               btrfs_err(root->fs_info,
+               "invalid chunk profile flag: 0x%llx, expect 0 or 1 bit set",
+                         type & BTRFS_BLOCK_GROUP_PROFILE_MASK);
+               return -EUCLEAN;
+       }
        if ((type & BTRFS_BLOCK_GROUP_TYPE_MASK) == 0) {
                btrfs_err(root->fs_info, "missing chunk type flag: 0x%llx", 
type);
                return -EIO;
diff --git a/fs/efivarfs/inode.c b/fs/efivarfs/inode.c
index e2ab6d0497f2..151884b95ee2 100644
--- a/fs/efivarfs/inode.c
+++ b/fs/efivarfs/inode.c
@@ -10,6 +10,7 @@
 #include <linux/efi.h>
 #include <linux/fs.h>
 #include <linux/ctype.h>
+#include <linux/kmemleak.h>
 #include <linux/slab.h>
 
 #include "internal.h"
@@ -138,6 +139,7 @@ static int efivarfs_create(struct inode *dir, struct dentry 
*dentry,
        var->var.VariableName[i] = '\0';
 
        inode->i_private = var;
+       kmemleak_ignore(var);
 
        efivar_entry_add(var, &efivarfs_list);
        d_instantiate(dentry, inode);
diff --git a/fs/efivarfs/super.c b/fs/efivarfs/super.c
index 0e4f20377d19..fca235020312 100644
--- a/fs/efivarfs/super.c
+++ b/fs/efivarfs/super.c
@@ -23,7 +23,6 @@ LIST_HEAD(efivarfs_list);
 static void efivarfs_evict_inode(struct inode *inode)
 {
        clear_inode(inode);
-       kfree(inode->i_private);
 }
 
 static const struct super_operations efivarfs_ops = {
diff --git a/fs/proc/self.c b/fs/proc/self.c
index 2dcc2558b3aa..dffbe533d53f 100644
--- a/fs/proc/self.c
+++ b/fs/proc/self.c
@@ -24,6 +24,13 @@ static const char *proc_self_follow_link(struct dentry 
*dentry, void **cookie)
        pid_t tgid = task_tgid_nr_ns(current, ns);
        char *name;
 
+       /*
+        * Not currently supported. Once we can inherit all of struct pid,
+        * we can allow this.
+        */
+       if (current->flags & PF_KTHREAD)
+               return ERR_PTR(-EOPNOTSUPP);
+
        if (!tgid)
                return ERR_PTR(-ENOENT);
        /* 11 for max length of signed int in decimal + NULL term */
diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h
index ea4f81c2a6d5..602dff213bae 100644
--- a/include/linux/usb/quirks.h
+++ b/include/linux/usb/quirks.h
@@ -59,4 +59,7 @@
 /* Device needs a pause after every control message. */
 #define USB_QUIRK_DELAY_CTRL_MSG               BIT(13)
 
+/* device has blacklisted endpoints */
+#define USB_QUIRK_ENDPOINT_BLACKLIST           BIT(15)
+
 #endif /* __LINUX_USB_QUIRKS_H */
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index c7b1dc713cdd..9c7f4aad6db6 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -144,6 +144,9 @@ struct iscsi_task {
        void                    *dd_data;       /* driver/transport data */
 };
 
+/* invalid scsi_task pointer */
+#define        INVALID_SCSI_TASK       (struct iscsi_task *)-1l
+
 static inline int iscsi_task_has_unsol_data(struct iscsi_task *task)
 {
        return task->unsol_r2t.data_length > task->unsol_r2t.sent;
diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c
index fd460aca36e5..40e4c933b372 100644
--- a/tools/perf/util/dwarf-aux.c
+++ b/tools/perf/util/dwarf-aux.c
@@ -305,6 +305,7 @@ bool die_is_func_def(Dwarf_Die *dw_die)
 int die_entrypc(Dwarf_Die *dw_die, Dwarf_Addr *addr)
 {
        Dwarf_Addr base, end;
+       Dwarf_Attribute attr;
 
        if (!addr)
                return -EINVAL;
@@ -312,6 +313,13 @@ int die_entrypc(Dwarf_Die *dw_die, Dwarf_Addr *addr)
        if (dwarf_entrypc(dw_die, addr) == 0)
                return 0;
 
+       /*
+        *  Since the dwarf_ranges() will return 0 if there is no
+        * DW_AT_ranges attribute, we should check it first.
+        */
+       if (!dwarf_attr(dw_die, DW_AT_ranges, &attr))
+               return -ENOENT;
+
        return dwarf_ranges(dw_die, 0, &base, addr, &end) < 0 ? -ENOENT : 0;
 }
 
  • Linux 4.4.247 Greg Kroah-Hartman
    • Re: Linux 4.4.247 Greg Kroah-Hartman

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